WIP: Updates for the Gregorian calendar module

Add Polish as a supported language
Carica file su 'calsocial/translations/it/LC_MESSAGES'
2022-10-10 11:47:47 +00:00 · 2022-10-10 11:47:47 +00:00 · 2018-09-14 14:48:27 +00:00 · 2018-07-30 22:28:26 +02:00 · 2018-07-26 21:50:12 +02:00 · 2018-07-25 21:19:35 +02:00
55 changed files with 4121 additions and 562 deletions
--- a/.env.testing
+++ b/.env.testing
@@ -0,0 +1 @@
+FLASK_ENV=testing
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,8 @@
 __pycache__/
 /calsocial/local.db
 /messages.pot
-/app/translations/*/LC_MESSAGES/*.mo
+/calsocial/translations/*/LC_MESSAGES/*.mo
 /.pytest_cache/
+/.env
+/.coverage
+/htmlcov/
--- a/2
+++ b/2
@@ -13,10 +13,12 @@ sqlalchemy-utils = "*"
 bcrypt = "*"
 flask-babelex = "*"
 python-dateutil = "*"
+flask-caching = "*"

 [dev-packages]
 pylint = "*"
 pytest = "*"
+pytest-cov = "*"

 [requires]
 python_version = "3.6"
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
    "_meta": {
        "hash": {
-            "sha256": "3620d7a03e2f49bbf1b812fee29e163e2e0120cd1a3924f6895d3194583e7ac7"
+            "sha256": "01a306fc25c75731af3fcf119a20d92c24fe5be9ddd8be2901b830df10bfb294"
        },
        "pipfile-spec": 6,
        "requires": {
@@ -128,6 +128,14 @@
            "index": "pypi",
            "version": "==0.9.3"
        },
+        "flask-caching": {
+            "hashes": [
+                "sha256:44fe827c6cc519d48fb0945fa05ae3d128af9a98f2a6e71d4702fd512534f227",
+                "sha256:e34f24631ba240e09fe6241e1bf652863e0cff06a1a94598e23be526bc2e4985"
+            ],
+            "index": "pypi",
+            "version": "==1.4.0"
+        },
        "flask-login": {
            "hashes": [
                "sha256:c815c1ac7b3e35e2081685e389a665f2c74d7e077cb93cecabaea352da4752ec"
@@ -247,9 +255,9 @@
        },
        "sqlalchemy": {
            "hashes": [
-                "sha256:e21e5561a85dcdf16b8520ae4daec7401c5c24558e0ce004f9b60be75c4b6957"
+                "sha256:72325e67fb85f6e9ad304c603d83626d1df684fdf0c7ab1f0352e71feeab69d8"
            ],
-            "version": "==1.2.9"
+            "version": "==1.2.10"
        },
        "sqlalchemy-utils": {
            "hashes": [
@@ -276,10 +284,10 @@
    "develop": {
        "astroid": {
            "hashes": [
-                "sha256:0ef2bf9f07c3150929b25e8e61b5198c27b0dca195e156f0e4d5bdd89185ca1a",
-                "sha256:fc9b582dba0366e63540982c3944a9230cbc6f303641c51483fa547dcc22393a"
+                "sha256:0a0c484279a5f08c9bcedd6fa9b42e378866a7dcc695206b92d59dc9f2d9760d",
+                "sha256:218e36cf8d98a42f16214e8670819ce307fa707d1dcf7f9af84c7aede1febc7f"
            ],
-            "version": "==1.6.5"
+            "version": "==2.0.1"
        },
        "atomicwrites": {
            "hashes": [
@@ -295,6 +303,50 @@
            ],
            "version": "==18.1.0"
        },
+        "coverage": {
+            "hashes": [
+                "sha256:03481e81d558d30d230bc12999e3edffe392d244349a90f4ef9b88425fac74ba",
+                "sha256:0b136648de27201056c1869a6c0d4e23f464750fd9a9ba9750b8336a244429ed",
+                "sha256:104ab3934abaf5be871a583541e8829d6c19ce7bde2923b2751e0d3ca44db60a",
+                "sha256:10a46017fef60e16694a30627319f38a2b9b52e90182dddb6e37dcdab0f4bf95",
+                "sha256:15b111b6a0f46ee1a485414a52a7ad1d703bdf984e9ed3c288a4414d3871dcbd",
+                "sha256:198626739a79b09fa0a2f06e083ffd12eb55449b5f8bfdbeed1df4910b2ca640",
+                "sha256:1c383d2ef13ade2acc636556fd544dba6e14fa30755f26812f54300e401f98f2",
+                "sha256:23d341cdd4a0371820eb2b0bd6b88f5003a7438bbedb33688cd33b8eae59affd",
+                "sha256:28b2191e7283f4f3568962e373b47ef7f0392993bb6660d079c62bd50fe9d162",
+                "sha256:2a5b73210bad5279ddb558d9a2bfedc7f4bf6ad7f3c988641d83c40293deaec1",
+                "sha256:2eb564bbf7816a9d68dd3369a510be3327f1c618d2357fa6b1216994c2e3d508",
+                "sha256:337ded681dd2ef9ca04ef5d93cfc87e52e09db2594c296b4a0a3662cb1b41249",
+                "sha256:3a2184c6d797a125dca8367878d3b9a178b6fdd05fdc2d35d758c3006a1cd694",
+                "sha256:3c79a6f7b95751cdebcd9037e4d06f8d5a9b60e4ed0cd231342aa8ad7124882a",
+                "sha256:3d72c20bd105022d29b14a7d628462ebdc61de2f303322c0212a054352f3b287",
+                "sha256:3eb42bf89a6be7deb64116dd1cc4b08171734d721e7a7e57ad64cc4ef29ed2f1",
+                "sha256:4635a184d0bbe537aa185a34193898eee409332a8ccb27eea36f262566585000",
+                "sha256:56e448f051a201c5ebbaa86a5efd0ca90d327204d8b059ab25ad0f35fbfd79f1",
+                "sha256:5a13ea7911ff5e1796b6d5e4fbbf6952381a611209b736d48e675c2756f3f74e",
+                "sha256:69bf008a06b76619d3c3f3b1983f5145c75a305a0fea513aca094cae5c40a8f5",
+                "sha256:6bc583dc18d5979dc0f6cec26a8603129de0304d5ae1f17e57a12834e7235062",
+                "sha256:701cd6093d63e6b8ad7009d8a92425428bc4d6e7ab8d75efbb665c806c1d79ba",
+                "sha256:7608a3dd5d73cb06c531b8925e0ef8d3de31fed2544a7de6c63960a1e73ea4bc",
+                "sha256:76ecd006d1d8f739430ec50cc872889af1f9c1b6b8f48e29941814b09b0fd3cc",
+                "sha256:7aa36d2b844a3e4a4b356708d79fd2c260281a7390d678a10b91ca595ddc9e99",
+                "sha256:7d3f553904b0c5c016d1dad058a7554c7ac4c91a789fca496e7d8347ad040653",
+                "sha256:7e1fe19bd6dce69d9fd159d8e4a80a8f52101380d5d3a4d374b6d3eae0e5de9c",
+                "sha256:8c3cb8c35ec4d9506979b4cf90ee9918bc2e49f84189d9bf5c36c0c1119c6558",
+                "sha256:9d6dd10d49e01571bf6e147d3b505141ffc093a06756c60b053a859cb2128b1f",
+                "sha256:9e112fcbe0148a6fa4f0a02e8d58e94470fc6cb82a5481618fea901699bf34c4",
+                "sha256:ac4fef68da01116a5c117eba4dd46f2e06847a497de5ed1d64bb99a5fda1ef91",
+                "sha256:b8815995e050764c8610dbc82641807d196927c3dbed207f0a079833ffcf588d",
+                "sha256:be6cfcd8053d13f5f5eeb284aa8a814220c3da1b0078fa859011c7fffd86dab9",
+                "sha256:c1bb572fab8208c400adaf06a8133ac0712179a334c09224fb11393e920abcdd",
+                "sha256:de4418dadaa1c01d497e539210cb6baa015965526ff5afc078c57ca69160108d",
+                "sha256:e05cb4d9aad6233d67e0541caa7e511fa4047ed7750ec2510d466e806e0255d6",
+                "sha256:e4d96c07229f58cb686120f168276e434660e4358cc9cf3b0464210b04913e77",
+                "sha256:f3f501f345f24383c0000395b26b726e46758b71393267aeae0bd36f8b3ade80",
+                "sha256:f8a923a85cb099422ad5a2e345fe877bbc89a8a8b23235824a93488150e45f6e"
+            ],
+            "version": "==4.5.1"
+        },
        "isort": {
            "hashes": [
                "sha256:1153601da39a25b14ddc54955dbbacbb6b2d19135386699e2ad58517953b34af",
@@ -369,11 +421,11 @@
        },
        "pylint": {
            "hashes": [
-                "sha256:a48070545c12430cfc4e865bf62f5ad367784765681b3db442d8230f0960aa3c",
-                "sha256:fff220bcb996b4f7e2b0f6812fd81507b72ca4d8c4d05daf2655c333800cb9b3"
+                "sha256:2c90a24bee8fae22ac98061c896e61f45c5b73c2e0511a4bf53f99ba56e90434",
+                "sha256:454532779425098969b8f54ab0f056000b883909f69d05905ea114df886e3251"
            ],
            "index": "pypi",
-            "version": "==1.9.2"
+            "version": "==2.0.1"
        },
        "pytest": {
            "hashes": [
@@ -383,6 +435,14 @@
            "index": "pypi",
            "version": "==3.6.3"
        },
+        "pytest-cov": {
+            "hashes": [
+                "sha256:03aa752cf11db41d281ea1d807d954c4eda35cfa1b21d6971966cc041bbf6e2d",
+                "sha256:890fe5565400902b0c78b5357004aab1c814115894f4f21370e2433256a3eeec"
+            ],
+            "index": "pypi",
+            "version": "==2.5.1"
+        },
        "six": {
            "hashes": [
                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
@@ -390,6 +450,35 @@
            ],
            "version": "==1.11.0"
        },
+        "typed-ast": {
+            "hashes": [
+                "sha256:0948004fa228ae071054f5208840a1e88747a357ec1101c17217bfe99b299d58",
+                "sha256:10703d3cec8dcd9eef5a630a04056bbc898abc19bac5691612acba7d1325b66d",
+                "sha256:1f6c4bd0bdc0f14246fd41262df7dfc018d65bb05f6e16390b7ea26ca454a291",
+                "sha256:25d8feefe27eb0303b73545416b13d108c6067b846b543738a25ff304824ed9a",
+                "sha256:29464a177d56e4e055b5f7b629935af7f49c196be47528cc94e0a7bf83fbc2b9",
+                "sha256:2e214b72168ea0275efd6c884b114ab42e316de3ffa125b267e732ed2abda892",
+                "sha256:3e0d5e48e3a23e9a4d1a9f698e32a542a4a288c871d33ed8df1b092a40f3a0f9",
+                "sha256:519425deca5c2b2bdac49f77b2c5625781abbaf9a809d727d3a5596b30bb4ded",
+                "sha256:57fe287f0cdd9ceaf69e7b71a2e94a24b5d268b35df251a88fef5cc241bf73aa",
+                "sha256:668d0cec391d9aed1c6a388b0d5b97cd22e6073eaa5fbaa6d2946603b4871efe",
+                "sha256:68ba70684990f59497680ff90d18e756a47bf4863c604098f10de9716b2c0bdd",
+                "sha256:6de012d2b166fe7a4cdf505eee3aaa12192f7ba365beeefaca4ec10e31241a85",
+                "sha256:79b91ebe5a28d349b6d0d323023350133e927b4de5b651a8aa2db69c761420c6",
+                "sha256:8550177fa5d4c1f09b5e5f524411c44633c80ec69b24e0e98906dd761941ca46",
+                "sha256:898f818399cafcdb93cbbe15fc83a33d05f18e29fb498ddc09b0214cdfc7cd51",
+                "sha256:94b091dc0f19291adcb279a108f5d38de2430411068b219f41b343c03b28fb1f",
+                "sha256:a26863198902cda15ab4503991e8cf1ca874219e0118cbf07c126bce7c4db129",
+                "sha256:a8034021801bc0440f2e027c354b4eafd95891b573e12ff0418dec385c76785c",
+                "sha256:bc978ac17468fe868ee589c795d06777f75496b1ed576d308002c8a5756fb9ea",
+                "sha256:c05b41bc1deade9f90ddc5d988fe506208019ebba9f2578c622516fd201f5863",
+                "sha256:c9b060bd1e5a26ab6e8267fd46fc9e02b54eb15fffb16d112d4c7b1c12987559",
+                "sha256:edb04bdd45bfd76c8292c4d9654568efaedf76fe78eb246dde69bdb13b2dad87",
+                "sha256:f19f2a4f547505fe9072e15f6f4ae714af51b5a681a97f187971f50c283193b6"
+            ],
+            "markers": "python_version < '3.7' and implementation_name == 'cpython'",
+            "version": "==1.1.0"
+        },
        "wrapt": {
            "hashes": [
                "sha256:d4d560d479f2c21e1b5443bbd15fe7ec4b37fe7e53d335d3b9b0a7b1226fe3c6"
--- a/calsocial/init.py
+++ b/calsocial/init.py
@@ -19,12 +19,18 @@

 from datetime import datetime
 import os
+from warnings import warn

-from flask import Flask, abort, current_app, redirect, render_template, request, url_for
+from flask import Flask, abort, current_app, has_app_context, redirect, render_template, request, \
+    url_for
 from flask_babelex import Babel, get_locale as babel_get_locale
 from flask_security import SQLAlchemyUserDatastore, current_user, login_required
 from sqlalchemy.orm.exc import NoResultFound, MultipleResultsFound

+from calsocial.account import AccountBlueprint
+from calsocial.cache import CachedSessionInterface, cache
+from calsocial.utils import RoutedMixin
+

 def get_locale():
    """Locale selector
@@ -32,7 +38,7 @@ def get_locale():
    Selects the best locale based on values sent by the browser.
    """

-    supported_languages = ['en', 'hu']
+    supported_languages = ['en', 'hu', 'pl']

    if 'l' in request.args and request.args['l'].lower() in supported_languages:
        return request.args['l'].lower()
@@ -53,22 +59,7 @@ def template_vars():
    }


-def route(*args, **kwargs):
-    """Mark a function as a future route
-
-    Such functions will be iterated over when the application is initialised.  ``*args`` and
-    ``**kwargs`` will be passed verbatim to `Flask.route()`.
-    """
-
-    def decorator(func):  # pylint: disable=missing-docstring
-        setattr(func, 'routing', (args, kwargs))
-
-        return func
-
-    return decorator
-
-
-class CalendarSocialApp(Flask):
+class CalendarSocialApp(Flask, RoutedMixin):
    """The Calendar.social app
    """

@@ -79,13 +70,32 @@ class CalendarSocialApp(Flask):

        Flask.__init__(self, name)

+        self.session_interface = CachedSessionInterface()
+
        self._timezone = None

-        config_name = os.environ.get('ENV', config or 'dev')
+        config_name = os.environ.get('FLASK_ENV', config or 'development')
        self.config.from_pyfile(f'config_{config_name}.py', True)
        # Make sure we look up users both by their usernames and email addresses
        self.config['SECURITY_USER_IDENTITY_ATTRIBUTES'] = ('username', 'email')
+        self.config['SECURITY_LOGIN_USER_TEMPLATE'] = 'login.html'
+
+        # The builtin avatars to use
+        self.config['BUILTIN_AVATARS'] = (
+            'doctor',
+            'engineer',
+            'scientist',
+            'statistician',
+            'user',
+            'whoami',
+        )
+
+        self.jinja_env.policies['ext.i18n.trimmed'] = True  # pylint: disable=no-member
+
        db.init_app(self)
+
+        cache.init_app(self)
+
        babel = Babel(app=self)
        babel.localeselector(get_locale)

@@ -96,18 +106,9 @@ class CalendarSocialApp(Flask):

        self.context_processor(template_vars)

-        for attr_name in self.__dir__():
-            attr = getattr(self, attr_name)
+        RoutedMixin.register_routes(self)

-            if not callable(attr):
-                continue
-
-            args, kwargs = getattr(attr, 'routing', (None, None))
-
-            if args is None:
-                continue
-
-            self.route(*args, **kwargs)(attr)
+        AccountBlueprint().init_app(self, '/accounts/')

        self.before_request(self.goto_first_steps)

@@ -118,8 +119,8 @@ class CalendarSocialApp(Flask):

        if current_user.is_authenticated and \
           not current_user.profile and \
-           request.endpoint != 'first_steps':
-            return redirect(url_for('first_steps'))
+           request.endpoint != 'account.first_steps':
+            return redirect(url_for('account.first_steps'))

        return None

@@ -128,9 +129,6 @@ class CalendarSocialApp(Flask):
        """The default time zone of the app
        """

-        from warnings import warn
-
-        from flask import has_app_context
        from pytz import timezone, utc
        from pytz.exceptions import UnknownTimeZoneError

@@ -149,61 +147,88 @@ class CalendarSocialApp(Flask):

        return self._timezone

-    @staticmethod
-    @route('/')
-    def hello():
-        """View for the main page
-
-        This will display a welcome message for users not logged in; for others, their main
-        calendar view is displayed.
+    @property
+    def instance_admin(self):
+        """The admin user of this instance
        """

-        from .calendar_system.gregorian import GregorianCalendar
+        from calsocial.models import AppState, User

-        if not current_user.is_authenticated:
-            return render_template('welcome.html')
+        if not has_app_context():
+            return None
+
+        admin_id = AppState['instance_admin']
+
+        try:
+            admin_id = int(admin_id)
+        except (TypeError, ValueError):
+            warn(f'Instance admin is not set correctly (value is {admin_id})')
+
+            return None
+
+        try:
+            return User.query.filter(User.id == admin_id).one()
+        except NoResultFound:
+            warn(f'Instance admin is not set correctly (value is {admin_id})')
+
+        return None
+
+    @staticmethod
+    def _current_calendar():
+        from .calendar_system.gregorian import GregorianCalendar

        try:
            timestamp = datetime.fromtimestamp(float(request.args.get('date')))
        except TypeError:
            timestamp = datetime.utcnow()

-        calendar = GregorianCalendar(timestamp.timestamp())
+        return GregorianCalendar(timestamp.timestamp())

-        return render_template('index.html', calendar=calendar)
-
-    @staticmethod
-    @route('/register', methods=['POST', 'GET'])
-    def register():
-        """View for user registration
-
-        If the ``REGISTRATION_FAILED`` configuration value is set to ``True`` it displays the
-        registration disabled template.  Otherwise, it performs user registration.
+    @RoutedMixin.route('/about')
+    def about(self):
+        """View for the about page
        """

-        if not current_app.config['REGISTRATION_ENABLED']:
-            return render_template('registration-disabled.html')
+        from .models import User, Event

-        from .forms import RegistrationForm
-        from .models import db, User
+        calendar = self._current_calendar()

-        form = RegistrationForm()
+        if not current_user.is_authenticated:
+            login_form_class = current_app.extensions['security'].login_form
+            login_form = login_form_class()
+        else:
+            login_form = None

-        if form.validate_on_submit():
-            # TODO: This might become False later, if we want registrations to be confirmed via
-            #       e-mail
-            user = User(active=True)
+        user_count = User.query.count()
+        event_count = Event.query.count()
+        admin_user = current_app.instance_admin
+        admin_profile = None if admin_user is None else admin_user.profile

-            form.populate_obj(user)
-            db.session.add(user)
-            db.session.commit()
+        return render_template('welcome.html',
+                               calendar=calendar,
+                               user_only=False,
+                               login_form=login_form,
+                               user_count=user_count,
+                               event_count=event_count,
+                               admin_profile=admin_profile)

-            return redirect(url_for('hello'))
+    @RoutedMixin.route('/')
+    def hello(self):
+        """View for the main page

-        return render_template('registration.html', form=form)
+        This will display a welcome message for users not logged in; for others, their main
+        calendar view is displayed.
+        """
+
+        calendar = self._current_calendar()
+
+        if not current_user.is_authenticated:
+            return self.about()
+
+        return render_template('index.html', calendar=calendar, user_only=True)

    @staticmethod
-    @route('/new-event', methods=['GET', 'POST'])
+    @RoutedMixin.route('/new-event', methods=['GET', 'POST'])
    @login_required
    def new_event():
        """View for creating a new event
@@ -217,7 +242,7 @@ class CalendarSocialApp(Flask):
        form = EventForm()

        if form.validate_on_submit():
-            event = Event(user=current_user)
+            event = Event(profile=current_user.profile)
            form.populate_obj(event)

            db.session.add(event)
@@ -228,34 +253,13 @@ class CalendarSocialApp(Flask):
        return render_template('event-edit.html', form=form)

    @staticmethod
-    @route('/settings', methods=['GET', 'POST'])
-    @login_required
-    def settings():
-        """View for user settings
-        """
-
-        from .forms import SettingsForm
-        from .models import db
-
-        form = SettingsForm(current_user)
-
-        if form.validate_on_submit():
-            form.populate_obj(current_user)
-
-            db.session.commit()
-
-            return redirect(url_for('hello'))
-
-        return render_template('user-settings.html', form=form)
-
-    @staticmethod
-    @route('/event/<string:event_uuid>', methods=['GET', 'POST'])
+    @RoutedMixin.route('/event/<string:event_uuid>', methods=['GET', 'POST'])
    def event_details(event_uuid):
        """View to display event details
        """

        from .forms import InviteForm
-        from .models import db, Event, Invitation, Notification, NotificationAction
+        from .models import db, Event

        try:
            event = Event.query.filter(Event.event_uuid == event_uuid).one()
@@ -267,15 +271,7 @@ class CalendarSocialApp(Flask):
        form = InviteForm(event)

        if form.validate_on_submit():
-            invite = Invitation(event=event, sender=current_user.profile)
-            form.populate_obj(invite)
-            db.session.add(invite)
-
-            notification = Notification(profile=form.invitee.data,
-                                        actor=current_user.profile,
-                                        item=event,
-                                        action=NotificationAction.invite)
-            db.session.add(notification)
+            event.invite(current_user.profile, invitee=form.invitee.data)

            db.session.commit()

@@ -284,7 +280,7 @@ class CalendarSocialApp(Flask):
        return render_template('event-details.html', event=event, form=form)

    @staticmethod
-    @route('/profile/@<string:username>')
+    @RoutedMixin.route('/profile/@<string:username>')
    def display_profile(username):
        """View to display profile details
        """
@@ -299,12 +295,13 @@ class CalendarSocialApp(Flask):
        return render_template('profile-details.html', profile=profile)

    @staticmethod
-    @route('/profile/@<string:username>/follow')
+    @RoutedMixin.route('/profile/@<string:username>/follow')
+    @login_required
    def follow_user(username):
        """View for following a user
        """

-        from .models import db, Profile, User, UserFollow, Notification, NotificationAction
+        from .models import db, Profile, User

        try:
            profile = Profile.query.join(User).filter(User.username == username).one()
@@ -312,38 +309,14 @@ class CalendarSocialApp(Flask):
            abort(404)

        if profile.user != current_user:
-            follow = UserFollow(follower=current_user.profile,
-                                followed=profile,
-                                accepted_at=datetime.utcnow())
-            db.session.add(follow)
-
-            notification = Notification(profile=profile,
-                                        actor=current_user.profile,
-                                        item=profile,
-                                        action=NotificationAction.follow)
-            db.session.add(notification)
+            profile.follow(follower=current_user.profile)

            db.session.commit()

        return redirect(url_for('display_profile', username=username))

    @staticmethod
-    @route('/notifications')
-    def notifications():
-        """View to list the notifications for the current user
-        """
-
-        from .models import Notification
-
-        if current_user.is_authenticated:
-            notifs = Notification.query.filter(Notification.profile == current_user.profile)
-        else:
-            notifs = []
-
-        return render_template('notifications.html', notifs=notifs)
-
-    @staticmethod
-    @route('/accept/<int:invite_id>')
+    @RoutedMixin.route('/accept/<int:invite_id>')
    def accept_invite(invite_id):
        """View to accept an invitation
        """
@@ -373,31 +346,21 @@ class CalendarSocialApp(Flask):
        return redirect(url_for('event_details', event_uuid=invitation.event.event_uuid))

    @staticmethod
-    @route('/first-steps', methods=['GET', 'POST'])
-    @login_required
-    def first_steps():
-        """View to set up a new registrant’s profile
+    @RoutedMixin.route('/all-events')
+    def all_events():
+        """View for listing all available events
        """

-        from .forms import FirstStepsForm
-        from .models import db, Profile
+        from .calendar_system.gregorian import GregorianCalendar

-        if current_user.profile:
-            return redirect(url_for('hello'))
+        try:
+            timestamp = datetime.fromtimestamp(float(request.args.get('date')))
+        except TypeError:
+            timestamp = datetime.utcnow()

-        form = FirstStepsForm()
+        calendar = GregorianCalendar(timestamp.timestamp())

-        if form.validate_on_submit():
-            profile = Profile(user=current_user, display_name=form.display_name.data)
-            db.session.add(profile)
-
-            current_user.settings['timezone'] = str(form.time_zone.data)
-
-            db.session.commit()
-
-            return redirect(url_for('hello'))
-
-        return render_template('first-steps.html', form=form)
+        return render_template('index.html', calendar=calendar, user_only=False)


 app = CalendarSocialApp(__name__)
--- a/calsocial/account.py
+++ b/calsocial/account.py
@@ -0,0 +1,234 @@
+# Calendar.social
+# Copyright (C) 2018 Gergely Polonkai
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""Main module for the Calendar.social app
+"""
+
+from flask import Blueprint, abort, current_app, flash, redirect, render_template, session, url_for
+from flask_babelex import gettext as _
+from flask_security import current_user, login_required
+
+from sqlalchemy.orm.exc import NoResultFound
+
+from calsocial.utils import RoutedMixin
+
+
+class AccountBlueprint(Blueprint, RoutedMixin):
+    """Blueprint for account management
+    """
+
+    def __init__(self):
+        Blueprint.__init__(self, 'account', __name__)
+
+        self.app = None
+
+        RoutedMixin.register_routes(self)
+
+    def init_app(self, app, url_prefix=None):
+        """Initialise the blueprint, registering it with ``app``.
+        """
+
+        self.app = app
+
+        app.register_blueprint(self, url_prefix=url_prefix)
+
+    @staticmethod
+    @RoutedMixin.route('/register', methods=['POST', 'GET'])
+    def register_account():
+        """View for user registration
+
+        If the ``REGISTRATION_FAILED`` configuration value is set to ``True`` it displays the
+        registration disabled template.  Otherwise, it performs user registration.
+        """
+
+        if not current_app.config['REGISTRATION_ENABLED']:
+            return render_template('registration-disabled.html')
+
+        from .forms import RegistrationForm
+        from .models import db, User
+
+        form = RegistrationForm()
+
+        if form.validate_on_submit():
+            # TODO: This might become False later, if we want registrations to be confirmed via
+            #       e-mail
+            user = User(active=True)
+
+            form.populate_obj(user)
+            db.session.add(user)
+            db.session.commit()
+
+            return redirect(url_for('hello'))
+
+        return render_template('account/registration.html', form=form)
+
+    @staticmethod
+    @RoutedMixin.route('/settings', methods=['GET', 'POST'])
+    @login_required
+    def settings():
+        """View for user settings
+        """
+
+        from .forms import SettingsForm
+        from .models import db
+
+        form = SettingsForm(current_user)
+
+        if form.validate_on_submit():
+            form.populate_obj(current_user)
+
+            db.session.commit()
+
+            return redirect(url_for('hello'))
+
+        return render_template('account/user-settings.html', form=form)
+
+    @staticmethod
+    @RoutedMixin.route('/notifications')
+    def notifications():
+        """View to list the notifications for the current user
+        """
+
+        from .models import Notification
+
+        if current_user.is_authenticated:
+            notifs = Notification.query.filter(Notification.profile == current_user.profile)
+        else:
+            notifs = []
+
+        return render_template('account/notifications.html', notifs=notifs)
+
+    @staticmethod
+    @RoutedMixin.route('/first-steps', methods=['GET', 'POST'])
+    @login_required
+    def first_steps():
+        """View to set up a new registrant’s profile
+        """
+
+        from .forms import FirstStepsForm
+        from .models import db, Profile
+
+        if current_user.profile:
+            return redirect(url_for('hello'))
+
+        form = FirstStepsForm()
+
+        if form.validate_on_submit():
+            profile = Profile(user=current_user, display_name=form.display_name.data)
+            db.session.add(profile)
+
+            current_user.settings['timezone'] = str(form.time_zone.data)
+
+            db.session.commit()
+
+            return redirect(url_for('hello'))
+
+        return render_template('account/first-steps.html', form=form)
+
+    @staticmethod
+    @RoutedMixin.route('/edit-profile', methods=['GET', 'POST'])
+    @login_required
+    def edit_profile():
+        """View for editing one’s profile
+        """
+
+        from .forms import ProfileForm
+        from .models import db
+
+        form = ProfileForm(current_user.profile)
+
+        if form.validate_on_submit():
+            form.populate_obj(current_user.profile)
+            db.session.add(current_user.profile)
+            db.session.commit()
+
+            return redirect(url_for('account.edit_profile'))
+
+        return render_template('account/profile-edit.html', form=form)
+
+    @staticmethod
+    @RoutedMixin.route('/follow-requests')
+    @login_required
+    def follow_requests():
+        """View for listing follow requests
+        """
+
+        from .models import UserFollow
+
+        requests = UserFollow.query \
+                             .filter(UserFollow.followed == current_user.profile) \
+                             .filter(UserFollow.accepted_at.is_(None))
+
+        return render_template('account/follow-requests.html', requests=requests)
+
+    @staticmethod
+    @RoutedMixin.route('/follow-request/<int:follower_id>/accept')
+    @login_required
+    def accept_follow(follower_id):
+        """View for accepting a follow request
+        """
+
+        from .models import db, UserFollow
+
+        try:
+            req = UserFollow.query \
+                            .filter(UserFollow.followed == current_user.profile) \
+                            .filter(UserFollow.follower_id == follower_id) \
+                            .one()
+        except NoResultFound:
+            abort(404)
+
+        if req.accepted_at is None:
+            req.accept()
+
+            db.session.add(req)
+            db.session.commit()
+
+        return redirect(url_for('account.follow_requests'))
+
+    @staticmethod
+    @RoutedMixin.route('/sessions')
+    @login_required
+    def active_sessions():
+        """View the list of active sessions
+        """
+
+        sessions = [current_app.session_interface.load_session(sid)
+                    for sid in current_user.active_sessions]
+
+        return render_template('account/active-sessions.html', sessions=sessions)
+
+    @staticmethod
+    @RoutedMixin.route('/sessions/invalidate/<string:sid>')
+    @login_required
+    def invalidate_session(sid):
+        """View to invalidate a session
+        """
+
+        sess = current_app.session_interface.load_session(sid)
+
+        if not sess or sess.user != current_user:
+            abort(404)
+
+        if sess.sid == session.sid:
+            flash(_('Can’t invalidate your current session'))
+        else:
+            current_app.session_interface.delete_session(sid)
+            current_user.active_sessions = [sess_id
+                                            for sess_id in current_user.active_sessions
+                                            if sess_id != sid]
+
+        return redirect(url_for('account.active_sessions'))
--- a/calsocial/app_state.py
+++ b/calsocial/app_state.py
@@ -0,0 +1,60 @@
+# Calendar.social
+# Copyright (C) 2018  Gergely Polonkai
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""Metaclass for storing and accessing app state
+"""
+
+def get_state_base(self, key):
+    """Method to get a key from the state store
+    """
+
+    return self.__get_state__(key)
+
+def set_state_base(self, key, value):
+    """Method to set a key/value in the state store
+    """
+
+    self.__set_state__(key, str(value))
+
+def set_default_base(self, key, value):
+    """Method to set the default value of a key in the state store
+
+    If key is already in the state store, this method is a no-op.
+    """
+
+    self.__set_state_default__(key, str(value))
+
+
+def app_state_base(klass):
+    """Base class creator for AppStateMeta types
+
+    :param klass: the class to extend
+    :type klass: type
+    :returns: a new class extending ``klass``
+    :rtype: type
+    """
+
+    # Construct the meta class based on the metaclass of ``klass``
+    metaclass = type(
+        klass.__name__ + 'BaseMeta',
+        (type(klass),),
+        {
+            '__getitem__': get_state_base,
+            '__setitem__': set_state_base,
+            'setdefault': set_default_base,
+        })
+
+    return metaclass(klass.__name__ + 'Base', (klass,), {'__abstract__': True})
--- a/calsocial/cache.py
+++ b/calsocial/cache.py
@@ -0,0 +1,159 @@
+# Calendar.social
+# Copyright (C) 2018 Gergely Polonkai
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""Caching functionality for Calendar.social
+"""
+
+from datetime import timedelta
+import pickle
+from uuid import uuid4
+
+from flask import has_request_context, request as flask_request, session as flask_session
+from flask.sessions import SessionInterface, SessionMixin
+from flask_caching import Cache
+from werkzeug.datastructures import CallbackDict
+
+cache = Cache()  # pylint: disable=invalid-name
+
+
+class CachedSession(CallbackDict, SessionMixin):  # pylint: disable=too-many-ancestors
+    """Object for session data saved in the cache
+    """
+
+    def __init__(self, initial=None, sid=None, new=False):
+        self.__modifying = False
+
+        def on_update(self):
+            """Function to call when session data is updated
+            """
+
+            if self.__modifying:
+                return
+
+            self.__modifying = True
+
+            if has_request_context():
+                self['ip'] = flask_request.remote_addr
+
+            self.modified = True
+
+            self.__modifying = False
+
+        CallbackDict.__init__(self, initial, on_update)
+        self.sid = sid
+        self.new = new
+        self.modified = False
+
+    @property
+    def user(self):
+        """The user this session belongs to
+        """
+
+        from calsocial.models import User
+
+        if 'user_id' not in self:
+            return None
+
+        return User.query.get(self['user_id'])
+
+
+class CachedSessionInterface(SessionInterface):
+    """A session interface that loads/saves session data from the cache
+    """
+
+    serializer = pickle
+    session_class = CachedSession
+    global_cache = cache
+
+    def __init__(self, prefix='session:'):
+        self.cache = cache
+        self.prefix = prefix
+
+    @staticmethod
+    def generate_sid():
+        """Generade a new session ID
+        """
+
+        return str(uuid4())
+
+    @staticmethod
+    def get_cache_expiration_time(app, sess):
+        """Get the expiration time of the cache entry
+        """
+
+        if sess.permanent:
+            return app.permanent_session_lifetime
+
+        return timedelta(days=1)
+
+    def open_session(self, app, request):
+        sid = request.cookies.get(app.session_cookie_name)
+
+        if not sid:
+            sid = self.generate_sid()
+
+            return self.session_class(sid=sid, new=True)
+
+        session = self.load_session(sid)
+
+        if session is None:
+            return self.session_class(sid=sid, new=True)
+
+        return session
+
+    def load_session(self, sid):
+        """Load a specific session from the cache
+        """
+
+        val = self.cache.get(self.prefix + sid)
+
+        if val is None:
+            return None
+
+        data = self.serializer.loads(val)
+
+        return self.session_class(data, sid=sid)
+
+    def save_session(self, app, session, response):
+        domain = self.get_cookie_domain(app)
+
+        if not session:
+            self.cache.delete(self.prefix + session.sid)
+
+            if session.modified:
+                response.delete_cookie(app.session_cookie_name, domain=domain)
+
+            return
+
+        cache_exp = self.get_cache_expiration_time(app, session)
+        cookie_exp = self.get_expiration_time(app, session)
+        val = self.serializer.dumps(dict(session))
+        self.cache.set(self.prefix + session.sid, val, int(cache_exp.total_seconds()))
+
+        response.set_cookie(app.session_cookie_name,
+                            session.sid,
+                            expires=cookie_exp,
+                            httponly=True,
+                            domain=domain)
+
+    def delete_session(self, sid):
+        """Delete the session with ``sid`` as its session ID
+        """
+
+        if has_request_context() and flask_session.sid == sid:
+            raise ValueError('Will not delete the current session')
+
+        cache.delete(self.prefix + sid)
--- a/calsocial/calendar_system/gregorian.py
+++ b/calsocial/calendar_system/gregorian.py
@@ -18,24 +18,12 @@
 """

 from datetime import datetime, timedelta
-from functools import wraps

 from flask_babelex import lazy_gettext as _

 from . import CalendarSystem


-def to_timestamp(func):
-    """Decorator that converts the return value of a function from `datetime` to a UNIX timestamp
-    """
-
-    @wraps(func)
-    def _decorator(*args, **kwargs):
-        return func(*args, **kwargs).timestamp()
-
-    return _decorator
-
-
 class GregorianCalendar(CalendarSystem):
    """Gregorian calendar system for Calendar.social
    """
@@ -83,22 +71,27 @@ class GregorianCalendar(CalendarSystem):
    def days(self):
        day_list = []

-        start_day = self.timestamp.replace(day=1)
+        month_first = self.timestamp.replace(day=1)

-        while start_day.weekday() > self.START_DAY:
-            start_day -= timedelta(days=1)
+        if self.timestamp.month == 12:
+            month_last = month_first.replace(day=31)
+        else:
+            month_last = month_first.replace(month=month_first.month + 1) - timedelta(days=1)

-        day_list.append(start_day)
-        current_day = start_day
+        pad_before = (7 - self.START_DAY + month_first.weekday()) % 7
+        pad_after = (6 - month_last.weekday() + self.START_DAY) % 7

-        while current_day.weekday() < self.END_DAY and current_day.month <= self.timestamp.month:
-            current_day += timedelta(days=1)
-            day_list.append(current_day)
+        first_display = month_first - timedelta(days=pad_before)
+        last_display = month_last + timedelta(days=pad_after)
+        current = first_display
+
+        while current <= last_display:
+            day_list.append(current)
+            current += timedelta(days=1)

        return day_list

    @property
-    @to_timestamp
    def prev_year(self):
        """Returns the timestamp of the same date in the previous year
        """
@@ -113,7 +106,13 @@ class GregorianCalendar(CalendarSystem):
        return self.timestamp.replace(year=self.timestamp.year - 1).year

    @property
-    @to_timestamp
+    def current_month_first(self):
+        """Return the timestamp for the first day of the current month
+        """
+
+        return self.timestamp.replace(day=1)
+
+    @property
    def prev_month(self):
        """Returns the timestamp of the same day in the previous month
        """
@@ -121,22 +120,16 @@ class GregorianCalendar(CalendarSystem):
        if self.timestamp.month == 1:
            return self.prev_year.replace(month=12)

-        return self.timestamp.replace(month=self.timestamp.month - 1)
+        return self.current_month_first - timedelta(days=1)

    @property
    def prev_month_name(self):
        """The name of the previous month
        """

-        if self.timestamp.month == 1:
-            timestamp = self.prev_year.replace(month=12)
-        else:
-            timestamp = self.timestamp.replace(month=self.timestamp.month - 1)
-
-        return self.month_names[timestamp.month - 1]
+        return self.month_names[self.prev_month.month]

    @property
-    @to_timestamp
    def next_month(self):
        """Returns the timestamp of the same day in the next month
        """
@@ -159,7 +152,6 @@ class GregorianCalendar(CalendarSystem):
        return self.month_names[timestamp.month - 1]

    @property
-    @to_timestamp
    def next_year(self):
        """Returns the timestamp of the same date in the next year
        """
@@ -192,28 +184,36 @@ class GregorianCalendar(CalendarSystem):

        month_end_timestamp = month_start_timestamp.replace(month=next_month)

-        return now >= month_start_timestamp and now < month_end_timestamp
+        return month_start_timestamp <= now < month_end_timestamp

    @staticmethod
    def day_events(date, user=None):
        """Returns all events for a given day
        """

-        from ..models import Event, Profile
+        from ..models import Event, EventVisibility, Invitation, Profile, Response

        events = Event.query

        if user:
-            events = events.join(Profile) \
+            events = events.outerjoin(Invitation) \
+                           .outerjoin(Response) \
+                           .join(Profile, Event.profile) \
                           .filter(Profile.user == user)

        start_timestamp = date.replace(hour=0, minute=0, second=0, microsecond=0)
        end_timestamp = start_timestamp + timedelta(days=1)

-        events = events.filter(((Event.start_time >= start_timestamp) &
-                                (Event.start_time < end_timestamp)) |
-                               ((Event.end_time >= start_timestamp) &
-                                (Event.end_time < end_timestamp))) \
+        events = events.filter((Event.start_time <= end_timestamp) &
+                               (Event.end_time >= start_timestamp)) \
                       .order_by('start_time', 'end_time')

+        if user is None:
+            events = events.filter(Event.visibility == EventVisibility.public)
+        else:
+            events = events.filter((Event.visibility == EventVisibility.public) |
+                                   (Event.profile == user.profile) |
+                                   (Invitation.invitee == user.profile) |
+                                   (Response.profile == user.profile))
+
        return events
--- a/calsocial/config_development.py
+++ b/calsocial/config_development.py
@@ -1,7 +1,7 @@
 """Configuration file for the development environment
 """

-ENV = 'dev'
+ENV = 'development'
 #: If ``True``, registration on the site is enabled.
 REGISTRATION_ENABLED = True
 #: The default time zone
@@ -14,3 +14,4 @@ SECRET_KEY = 'ThisIsNotSoSecret'
 SECURITY_PASSWORD_HASH = 'bcrypt'
 SECURITY_PASSWORD_SALT = SECRET_KEY
 SECURITY_REGISTERABLE = False
+CACHE_TYPE = 'simple'
--- a/calsocial/config_testing.py
+++ b/calsocial/config_testing.py
@@ -0,0 +1,18 @@
+"""Configuration file for the development environment
+"""
+
+ENV = 'testing'
+#: If ``True``, registration on the site is enabled.
+REGISTRATION_ENABLED = True
+#: The default time zone
+DEFAULT_TIMEZONE = 'Europe/Budapest'
+
+DEBUG = False
+TESTING = True
+SQLALCHEMY_DATABASE_URI = 'sqlite:///'
+SQLALCHEMY_TRACK_MODIFICATIONS = False
+SECRET_KEY = 'WeAreTesting'
+SECURITY_PASSWORD_HASH = 'bcrypt'
+SECURITY_PASSWORD_SALT = SECRET_KEY
+SECURITY_REGISTERABLE = False
+CACHE_TYPE = 'simple'
--- a/calsocial/forms.py
+++ b/calsocial/forms.py
@@ -17,17 +17,21 @@
 """Forms for Calendar.social
 """

+from enum import Enum
+
 from flask_babelex import lazy_gettext as _
 from flask_security.forms import LoginForm as BaseLoginForm
 from flask_wtf import FlaskForm
 import pytz
-from wtforms import BooleanField, PasswordField, SelectField, StringField
+from wtforms import BooleanField, PasswordField, SelectField, StringField, RadioField
 from wtforms.ext.dateutil.fields import DateTimeField
 from wtforms.validators import DataRequired, Email, StopValidation, ValidationError
 from wtforms.widgets import TextArea

+from calsocial.models import EventVisibility, EVENT_VISIBILITY_TRANSLATIONS

-class UsernameAvailable(object):  # pylint: disable=too-few-public-methods
+
+class UsernameAvailable:  # pylint: disable=too-few-public-methods
    """Checks if a username is available
    """

@@ -58,7 +62,7 @@ class UsernameAvailable(object):  # pylint: disable=too-few-public-methods
        raise StopValidation(message)


-class EmailAvailable(object):  # pylint: disable=too-few-public-methods
+class EmailAvailable:  # pylint: disable=too-few-public-methods
    """Checks if an email address is available
    """

@@ -169,6 +173,45 @@ class TimezoneField(SelectField):
            yield (value, label, value == self.data)


+class EnumField(SelectField):
+    """Field that allows selecting one value from an ``Enum`` class
+
+    :param enum_type: an ``Enum`` type
+    :type enum_type: type(Enum)
+    :param translations: translatable labels for enum values
+    :type translations: dict
+    :param args: passed verbatim to the constructor of `SelectField`
+    :param kwargs: passed verbatim to the constructor of `SelectField`
+    """
+
+    def __init__(self, enum_type, translations, *args, **kwargs):
+        if not issubclass(enum_type, Enum):
+            raise TypeError('enum_type must be a subclass of Enum')
+
+        kwargs.update({'choices': [(value, None) for value in enum_type]})
+        self.data = None
+        self.enum_type = enum_type
+        self.translations = translations
+        SelectField.__init__(self, *args, **kwargs)
+
+    def process_formdata(self, valuelist):
+        if not valuelist:
+            self.data = None
+
+            return
+
+        try:
+            self.data = self.enum_type[valuelist[0]]
+        except KeyError:
+            raise ValueError('Unknown value')
+
+    def iter_choices(self):
+        for value in self.enum_type:
+            label = self.gettext(self.translations[value]) if self.translations else value.name
+
+            yield (value.name, label, value == self.data)
+
+
 class EventForm(FlaskForm):
    """Form for event creation/editing
    """
@@ -179,6 +222,14 @@ class EventForm(FlaskForm):
    end_time = DateTimeField(_('End time'), validators=[DataRequired()])
    all_day = BooleanField(_('All day'))
    description = StringField(_('Description'), widget=TextArea())
+    visibility = EnumField(EventVisibility, EVENT_VISIBILITY_TRANSLATIONS, label=_('Visibility'))
+
+    def __init__(self, *args, **kwargs):
+        from flask_security import current_user
+
+        self.time_zone.kwargs['default'] = current_user.timezone  # pylint: disable=no-member
+
+        FlaskForm.__init__(self, *args, **kwargs)

    def populate_obj(self, obj):
        """Populate ``obj`` with event data
@@ -330,8 +381,33 @@ class FirstStepsForm(FlaskForm):
    display_name = StringField(
        label=_('Display name'),
        validators=[DataRequired()],
+        # pylint: disable=line-too-long
        description=_('This will be shown to other users as your name.  You can use your real name, or any nickname you like.'))
    time_zone = TimezoneField(
        label=_('Your time zone'),
        validators=[DataRequired()],
        description=_('The start and end times of events will be displayed in this time zone.'))
+
+
+class ProfileForm(FlaskForm):
+    """Form for editing a user profile
+    """
+
+    display_name = StringField(label=_('Display name'), validators=[DataRequired()])
+    builtin_avatar = RadioField(label=_('Use a built-in avatar'))
+    locked = BooleanField(label=_('Lock profile'))
+
+    def __init__(self, profile, *args, **kwargs):
+        from flask import current_app
+
+        kwargs.update(
+            {
+                'display_name': profile.display_name,
+                'locked': profile.locked,
+                'builtin_avatar': profile.builtin_avatar,
+            })
+        FlaskForm.__init__(self, *args, **kwargs)
+
+        self.builtin_avatar.choices = [(name, name)
+                                       for name in current_app.config['BUILTIN_AVATARS']]
+        self.profile = profile
--- a/calsocial/models.py
+++ b/calsocial/models.py
@@ -21,12 +21,15 @@ from datetime import datetime
 from enum import Enum
 from warnings import warn

+from flask import current_app
 from flask_babelex import lazy_gettext
 from flask_security import UserMixin, RoleMixin
 from flask_sqlalchemy import SQLAlchemy
 from sqlalchemy.orm.exc import NoResultFound
 from sqlalchemy_utils.types.choice import ChoiceType

+from .app_state import app_state_base
+from .cache import cache
 from .utils import force_locale

 db = SQLAlchemy()
@@ -98,11 +101,28 @@ class ResponseType(Enum):
            return self.name.lower() == other.lower()  # pylint: disable=no-member

        if isinstance(other, (int, float)):
-            return self.value == other
+            return self.value == other  # pylint: disable=comparison-with-callable

        return Enum.__eq__(self, other)


+class EventVisibility(Enum):
+    """Enumeration for event visibility
+    """
+
+    #: The event is private, only attendees and people invited can see the details
+    private = 0
+
+    #: The event is public, anyone can see the details
+    public = 5
+
+
+EVENT_VISIBILITY_TRANSLATIONS = {
+    EventVisibility.private: _('Visible only to attendees'),
+    EventVisibility.public: _('Visible to everyone'),
+}
+
+
 class SettingsProxy:
    """Proxy object to get settings for a user
    """
@@ -188,7 +208,6 @@ class User(db.Model, UserMixin):
        If the user didn’t set a time zone yet, the application default is used.
        """

-        from flask import current_app
        from pytz import timezone
        from pytz.exceptions import UnknownTimeZoneError

@@ -202,6 +221,24 @@ class User(db.Model, UserMixin):

        return current_app.timezone

+    @property
+    def session_list_key(self):
+        """The cache key of this user’s session list
+        """
+
+        return f'open_sessions:{self.id}'
+
+    @property
+    def active_sessions(self):
+        """The list of active sessions of this user
+        """
+
+        return cache.get(self.session_list_key) or []
+
+    @active_sessions.setter
+    def active_sessions(self, value):
+        cache.set(self.session_list_key, list(value))
+
    def __repr__(self):
        return f'<User {self.id}({self.username})>'

@@ -246,6 +283,12 @@ class Profile(db.Model):  # pylint: disable=too-few-public-methods
    #: The display name
    display_name = db.Column(db.Unicode(length=80), nullable=False)

+    #: If locked, a profile cannot be followed without the owner’s consent
+    locked = db.Column(db.Boolean(), default=False)
+
+    #: If set, the profile will display this builtin avatar
+    builtin_avatar = db.Column(db.String(length=40), nullable=True)
+
    @property
    def fqn(self):
        """The fully qualified name of the profile
@@ -265,7 +308,7 @@ class Profile(db.Model):  # pylint: disable=too-few-public-methods
            domain = ''
        else:
            username = self.username
-            domain = '@' + self.domain
+            domain = f'@{self.domain}'

        return f'<Profile {self.id}(@{username}{domain})>'

@@ -290,7 +333,8 @@ class Profile(db.Model):  # pylint: disable=too-few-public-methods

        return Profile.query \
            .join(UserFollow.followed) \
-            .filter(UserFollow.follower == self)
+            .filter(UserFollow.follower == self) \
+            .filter(UserFollow.accepted_at.isnot(None))

    @property
    def follower_list(self):
@@ -303,7 +347,8 @@ class Profile(db.Model):  # pylint: disable=too-few-public-methods

        return Profile.query \
            .join(UserFollow.follower) \
-            .filter(UserFollow.followed == self)
+            .filter(UserFollow.followed == self) \
+            .filter(UserFollow.accepted_at.isnot(None))

    @property
    def url(self):
@@ -317,6 +362,48 @@ class Profile(db.Model):  # pylint: disable=too-few-public-methods

        return NotImplemented

+    def follow(self, follower):
+        """Make ``follower`` follow this profile
+        """
+
+        if not isinstance(follower, Profile):
+            raise TypeError('Folloer must be a Profile object')
+
+        timestamp = None if self.locked else datetime.utcnow()
+
+        user_follow = UserFollow(follower=follower, followed=self, accepted_at=timestamp)
+        db.session.add(user_follow)
+        notification = self.notify(follower, self, NotificationAction.follow)
+
+        db.session.add(notification)
+
+        return user_follow
+
+    def notify(self, actor, item, action):
+        """Notify this profile about ``action`` on ``item`` by ``actor``
+
+        :param actor: the actor who generated the notification
+        :type actor: Profile
+        :param item: the item ``action`` was performed on
+        :type item: any
+        :param action: the type of the action
+        :type action: NotificationAction, str
+        :raises TypeError: if ``actor`` is not a `Profile` object
+        :returns: the generated notification.  It is already added to the database session, but
+            not committed
+        :rtype: Notification
+        """
+
+        if not isinstance(actor, Profile):
+            raise TypeError('actor must be a Profile instance')
+
+        if isinstance(action, str):
+            action = NotificationAction[action]
+
+        notification = Notification(profile=self, actor=actor, item=item, action=action)
+
+        return notification
+

 class Event(db.Model):
    """Database model for events
@@ -352,6 +439,9 @@ class Event(db.Model):
    #: The description of the event
    description = db.Column(db.UnicodeText())

+    #: The visibility of the event
+    visibility = db.Column(db.Enum(EventVisibility), nullable=False)
+
    def __as_tz(self, timestamp, as_timezone=None):
        from pytz import timezone, utc

@@ -400,6 +490,20 @@ class Event(db.Model):

        return url_for('event_details', event_uuid=self.event_uuid)

+    def invite(self, inviter, invited):
+        """Invite ``invited`` to the event
+
+        The invitation will arrive from ``inviter``.
+        """
+
+        invite = Invitation(event=self, sender=inviter, invitee=invited)
+        db.session.add(invite)
+
+        notification = invited.notify(inviter, self, NotificationAction.invite)
+        db.session.add(notification)
+
+        return invite
+

 class UserSetting(db.Model):  # pylint: disable=too-few-public-methods
    """Database model for user settings
@@ -543,6 +647,12 @@ class UserFollow(db.Model):  # pylint: disable=too-few-public-methods
    #: The timestamp when the follow was accepted
    accepted_at = db.Column(db.DateTime(), nullable=True)

+    def accept(self):
+        """Accept this follow request
+        """
+
+        self.accepted_at = datetime.utcnow()
+

 class Notification(db.Model):
    """Database model for notifications
@@ -680,3 +790,64 @@ class Response(db.Model):  # pylint: disable=too-few-public-methods

    #: The response itself
    response = db.Column(db.Enum(ResponseType), nullable=False)
+
+
+class AppState(app_state_base(db.Model)):  # pylint: disable=too-few-public-methods,inherit-non-class
+    """Database model for application state values
+    """
+
+    __tablename__ = 'app_state'
+
+    #: The environment that set this key
+    env = db.Column(db.String(length=40), nullable=False, primary_key=True)
+
+    #: The key
+    key = db.Column(db.String(length=80), nullable=False, primary_key=True)
+
+    #: The value of the key
+    value = db.Column(db.Unicode(length=200), nullable=True)
+
+    @classmethod
+    def __get_state__(cls, key):
+        try:
+            record = cls.query \
+                        .filter(cls.env == current_app.env) \
+                        .filter(cls.key == key) \
+                        .one()
+        except NoResultFound:
+            return None
+
+        return record.value
+
+    @classmethod
+    def __set_state__(cls, key, value):
+        try:
+            record = cls.query \
+                        .filter(cls.env == current_app.env) \
+                        .filter(cls.key == key) \
+                        .one()
+        except NoResultFound:
+            record = cls(env=current_app.env, key=key)
+
+        record.value = value
+        db.session.add(record)
+        db.session.commit()
+
+    @classmethod
+    def __set_state_default__(cls, key, value):
+        try:
+            record = cls.query \
+                        .filter(cls.env == current_app.env) \
+                        .filter(cls.key == key) \
+                        .one()
+        except NoResultFound:
+            pass
+        else:
+            return
+
+        record = cls(env=current_app.env, key=key, value=value)
+        db.session.add(record)
+        db.session.commit()
+
+    def __repr__(self):
+        return f'<AppState {self.env}:{self.key}="{self.value}"'
--- a/calsocial/security.py
+++ b/calsocial/security.py
@@ -17,7 +17,7 @@
 """Security related things for Calendar.social
 """

-from flask import current_app
+from flask import current_app, session
 from flask_login.signals import user_logged_in, user_logged_out
 from flask_security import Security, AnonymousUser as BaseAnonymousUser

@@ -35,6 +35,15 @@ class AnonymousUser(BaseAnonymousUser):

        return current_app.timezone

+    @property
+    def profile(self):
+        """The profile of the anonymous user
+
+        Always evaluates to ``None``
+        """
+
+        return None
+

@user_logged_in.connect
 def login_handler(app, user):  # pylint: disable=unused-argument
@@ -45,6 +54,8 @@ def login_handler(app, user):  # pylint: disable=unused-argument

    AuditLog.log(user, AuditLog.TYPE_LOGIN_SUCCESS)

+    user.active_sessions += [session.sid]
+

@user_logged_out.connect
 def logout_handler(app, user):  # pylint: disable=unused-argument
--- a/calsocial/static/avatars/doctor.svg
+++ b/calsocial/static/avatars/doctor.svg
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Generator: Adobe Illustrator 12.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 51448)  -->
+<svg xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" xmlns:svg="http://www.w3.org/2000/svg" xmlns:ns1="http://sozi.baierouge.fr" xmlns:xlink="http://www.w3.org/1999/xlink" id="svg2" sodipodi:docname="sampler_User2_doctor.svg" xml:space="preserve" overflow="visible" sodipodi:version="0.32" version="1.0" enable-background="new 0 0 18121.891 17875.275" inkscape:output_extension="org.inkscape.output.svg.inkscape" inkscape:version="0.46dev+devel" viewBox="0 0 18121.891 17875.275"><sodipodi:namedview id="base" bordercolor="#666666" inkscape:pageshadow="2" guidetolerance="10.0" pagecolor="#ffffff" gridtolerance="10.0" width="40px" inkscape:zoom="8.8833333" objecttolerance="10.0" borderlayer="true" borderopacity="1.0" inkscape:current-layer="svg2" inkscape:cx="20" inkscape:cy="30" inkscape:window-y="22" inkscape:window-x="0" inkscape:window-height="744" showgrid="true" inkscape:pageopacity="0.0" inkscape:window-width="1280"><inkscape:grid id="grid2331" originy="0px" originx="0px" spacingy="0px" spacingx="0px" type="xygrid"/></sodipodi:namedview>
+<g id="g52" transform="matrix(223.2 0 0 228.51 -1.9511e6 -1.9794e6)">
+		<radialGradient id="XMLID_82_" gradientUnits="userSpaceOnUse" cx="8790" cy="8685.3" r="36.346">
+			<stop id="stop55" style="stop-color:#FFFFFF" offset="0"/>
+			<stop id="stop57" style="stop-color:#000000" offset="1"/>
+		</radialGradient>
+		<circle id="circle59" sodipodi:rx="17.433001" sodipodi:ry="17.433001" style="fill:url(#XMLID_82_)" cx="8782.5" cy="8679.2" sodipodi:cy="8679.21" sodipodi:cx="8782.4932" r="17.433"/>
+		<linearGradient id="XMLID_83_" y2="8706.5" gradientUnits="userSpaceOnUse" y1="8762" x2="8747.4" x1="8818.9">
+			<stop id="stop62" style="stop-color:#FFFFFF" offset="0"/>
+			<stop id="stop64" style="stop-color:#000000" offset="1"/>
+		</linearGradient>
+		<path id="path66" style="fill:url(#XMLID_83_)" d="m8782.8 8697.6c-15.7 0-28.7 23.1-31 53.3h61.9c-2.2-30.2-15.2-53.3-30.9-53.3z"/>
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+		<circle id="circle70" sodipodi:rx="6.0469999" sodipodi:ry="6.0469999" style="fill:#ffffff" cx="8782.5" cy="8671.2" sodipodi:cy="8671.1943" sodipodi:cx="8782.4932" r="6.047"/>
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+		<g id="g74">
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+			<g id="g78">
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+			</g>
+			<path id="path92" style="fill:#b3b3b3" d="m8792.1 8715.9l0.8 0.8c2.2-2.6 3.5-6 3.5-9.6 0-1.3-0.1-2.5-0.4-3.7-0.6-0.5-1.1-1-1.7-1.4 0.7 1.6 1 3.3 1 5.1 0 3.3-1.2 6.4-3.2 8.8z"/>
+			<path id="path94" style="fill:#b3b3b3" d="m8771.4 8715.5l1.1-0.4c-1.6-2.3-2.6-5-2.6-8 0-1.7 0.3-3.3 0.9-4.7-0.6 0.4-1.1 0.9-1.6 1.4-0.3 1-0.4 2.1-0.4 3.3 0 3.1 1 6 2.6 8.4z"/>
+		</g>
+	</g>
+<g id="OUTLAND" style="display:none" transform="translate(44.606 -3424.8)" display="none">
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+</g>
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--- a/calsocial/static/avatars/engineer.svg
+++ b/calsocial/static/avatars/engineer.svg
--- a/calsocial/static/avatars/scientist.svg
+++ b/calsocial/static/avatars/scientist.svg
@@ -0,0 +1,91 @@
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+<metadata><rdf:RDF><cc:Work><dc:format>image/svg+xml</dc:format><dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/><cc:license rdf:resource="http://creativecommons.org/licenses/publicdomain/"/><dc:publisher><cc:Agent rdf:about="http://openclipart.org/"><dc:title>Openclipart</dc:title></cc:Agent></dc:publisher><dc:title>Users</dc:title><dc:date>2007-11-16T10:54:09</dc:date><dc:description/><dc:source>https://openclipart.org/detail/11065/users-by-sampler-11065</dc:source><dc:creator><cc:Agent><dc:title>sampler</dc:title></cc:Agent></dc:creator><dc:subject><rdf:Bag><rdf:li>job</rdf:li><rdf:li>people</rdf:li><rdf:li>profession</rdf:li><rdf:li>user</rdf:li><rdf:li>work</rdf:li></rdf:Bag></dc:subject></cc:Work><cc:License rdf:about="http://creativecommons.org/licenses/publicdomain/"><cc:permits rdf:resource="http://creativecommons.org/ns#Reproduction"/><cc:permits rdf:resource="http://creativecommons.org/ns#Distribution"/><cc:permits rdf:resource="http://creativecommons.org/ns#DerivativeWorks"/></cc:License></rdf:RDF></metadata></svg>
--- a/calsocial/static/avatars/user.svg
+++ b/calsocial/static/avatars/user.svg
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Generator: Adobe Illustrator 12.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 51448)  -->
+<svg xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" xmlns:cc="http://creativecommons.org/ns#" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:svg="http://www.w3.org/2000/svg" xmlns:ns1="http://sozi.baierouge.fr" id="svg2" sodipodi:docname="sampler_User1_in_suit.svg" xml:space="preserve" overflow="visible" sodipodi:version="0.32" version="1.0" enable-background="new 0 0 18121.891 17875.275" inkscape:output_extension="org.inkscape.output.svg.inkscape" inkscape:version="0.46dev+devel" viewBox="0 0 18121.891 17875.275"><defs id="defs1434">
+<radialGradient id="radialGradient4660" gradientUnits="userSpaceOnUse" cy="8685.3" cx="8710.2" r="36.396" inkscape:collect="always"><stop id="stop35" style="stop-color:#FFFFFF" offset="0"/><stop id="stop37" style="stop-color:#000000" offset="1"/></radialGradient><linearGradient id="linearGradient4662" y2="8706.6" gradientUnits="userSpaceOnUse" x2="8667.6" y1="8762.1" x1="8739.2" inkscape:collect="always"><stop id="stop42" style="stop-color:#FFFFFF" offset="0"/><stop id="stop44" style="stop-color:#000000" offset="1"/></linearGradient></defs><sodipodi:namedview id="base" bordercolor="#666666" inkscape:pageshadow="2" guidetolerance="10.0" pagecolor="#ffffff" gridtolerance="10.0" width="40px" inkscape:zoom="5.33" objecttolerance="10.0" borderlayer="true" borderopacity="1.0" inkscape:current-layer="g4648" inkscape:cx="50" inkscape:cy="46.515666" inkscape:window-y="22" inkscape:window-x="0" inkscape:window-height="744" showgrid="true" inkscape:pageopacity="0.0" inkscape:window-width="1280"><inkscape:grid id="grid2323" originy="0px" originx="0px" spacingy="0px" spacingx="0px" type="xygrid"/></sodipodi:namedview>
+<g id="g32" transform="matrix(28.594 0 0 28.594 -2.557e5 -2.4244e5)">
+		<g id="g4648"><g id="g4654" transform="matrix(7.5835 0 0 8.0832 -56740 -61545)"><circle id="circle39" sodipodi:rx="17.457001" sodipodi:ry="17.457001" style="fill:url(#radialGradient4660)" cx="8702.7" cy="8679.2" sodipodi:cy="8679.2344" sodipodi:cx="8702.7109" r="17.457"/><path id="path46" style="fill:url(#linearGradient4662)" d="m8703 8697.6c-15.7 0-28.7 23.2-31 53.4h62c-2.3-30.2-15.3-53.4-31-53.4z"/><polygon id="polygon48" style="fill:#c6c7c8" points="8700.2 8708 8697.4 8703.1 8703 8698.3 8703 8698.3 8708.6 8703.1 8705.8 8708"/><path id="path50" style="fill:#c6c7c8" d="m8695.4 8737.1l7.6 10.3v-38.7h-2.7l-4.9 28.4zm10.4-28.5h-2.7v38.8l7.6-10.3-4.9-28.5z"/></g></g>
+	</g>
+<g id="OUTLAND" style="display:none" transform="translate(44.606 -3424.8)" display="none">
+	<path id="path1431" style="display:inline;fill:#9e9994" display="inline" d="m18122 0v17875h-18122v-17875h18122zm-9482 9235.3h841.9v-595.3h-841.9v595.3z"/>
+</g>
+<metadata><rdf:RDF><cc:Work><dc:format>image/svg+xml</dc:format><dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/><cc:license rdf:resource="http://creativecommons.org/licenses/publicdomain/"/><dc:publisher><cc:Agent rdf:about="http://openclipart.org/"><dc:title>Openclipart</dc:title></cc:Agent></dc:publisher><dc:title>Users</dc:title><dc:date>2007-11-16T10:54:09</dc:date><dc:description/><dc:source>https://openclipart.org/detail/11055/users-by-sampler-11055</dc:source><dc:creator><cc:Agent><dc:title>sampler</dc:title></cc:Agent></dc:creator><dc:subject><rdf:Bag><rdf:li>job</rdf:li><rdf:li>people</rdf:li><rdf:li>profession</rdf:li><rdf:li>user</rdf:li><rdf:li>work</rdf:li></rdf:Bag></dc:subject></cc:Work><cc:License rdf:about="http://creativecommons.org/licenses/publicdomain/"><cc:permits rdf:resource="http://creativecommons.org/ns#Reproduction"/><cc:permits rdf:resource="http://creativecommons.org/ns#Distribution"/><cc:permits rdf:resource="http://creativecommons.org/ns#DerivativeWorks"/></cc:License></rdf:RDF></metadata></svg>
--- a/calsocial/static/avatars/whoami.svg
+++ b/calsocial/static/avatars/whoami.svg
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Generator: Adobe Illustrator 12.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 51448)  -->
+<svg xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" xmlns:cc="http://creativecommons.org/ns#" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:svg="http://www.w3.org/2000/svg" xmlns:ns1="http://sozi.baierouge.fr" id="svg2" sodipodi:docname="sampler_User9_no_idea.svg" xml:space="preserve" overflow="visible" sodipodi:version="0.32" version="1.0" enable-background="new 0 0 18121.891 17875.275" inkscape:output_extension="org.inkscape.output.svg.inkscape" inkscape:version="0.46dev+devel" viewBox="0 0 18121.891 17875.275"><sodipodi:namedview id="base" bordercolor="#666666" inkscape:pageshadow="2" guidetolerance="10.0" pagecolor="#ffffff" gridtolerance="10.0" width="40px" inkscape:zoom="8.8833333" objecttolerance="10.0" borderlayer="true" borderopacity="1.0" inkscape:current-layer="svg2" inkscape:cx="20" inkscape:cy="30" inkscape:window-y="22" inkscape:window-x="0" inkscape:window-height="744" showgrid="true" inkscape:pageopacity="0.0" inkscape:window-width="1280"><inkscape:grid id="grid3794" originy="0px" originx="0px" spacingy="0px" spacingx="0px" type="xygrid"/></sodipodi:namedview>
+<g id="g522" transform="matrix(219.98 0 0 229.49 -2.061e6 -1.9878e6)">
+			<linearGradient id="XMLID_108_" y2="8705.9" gradientUnits="userSpaceOnUse" y1="8761.1" gradientTransform="matrix(1,8e-4,-8e-4,1,7.1357,-7.2051)" x2="9375.1" x1="9446.2">
+			<stop id="stop525" style="stop-color:#FFFFFF" offset="0"/>
+			<stop id="stop527" style="stop-color:#000000" offset="1"/>
+		</linearGradient>
+		<path id="path529" style="fill:url(#XMLID_108_)" d="m9410.5 8697.4c-15.6-0.1-28.5 22.9-30.8 52.9l61.5 0.1c-2.2-30-15.1-53-30.7-53z"/>
+			<radialGradient id="XMLID_109_" gradientUnits="userSpaceOnUse" cy="8684.8" cx="9416.8" gradientTransform="matrix(1,8e-4,-8e-4,1,7.1357,-7.2051)" r="36.129">
+			<stop id="stop532" style="stop-color:#FFFFFF" offset="0"/>
+			<stop id="stop534" style="stop-color:#000000" offset="1"/>
+		</radialGradient>
+		<circle id="circle536" sodipodi:rx="17.329" sodipodi:ry="17.329" style="fill:url(#XMLID_109_)" cx="9409.6" cy="8679.1" sodipodi:cy="8679.1064" sodipodi:cx="9409.5693" r="17.329"/>
+		<g id="g538">
+			<g id="g542">
+				<g id="g544">
+					<path id="path546" style="stroke:#8e8f91;stroke-width:.56350;fill:#ffffff" d="m9404.8 8668.8c1.2-0.8 2.7-1.2 4.5-1.2 2.3 0 4.3 0.6 5.8 1.7s2.3 2.7 2.3 4.9c0 1.3-0.3 2.5-1 3.4-0.4 0.5-1.1 1.3-2.2 2.1l-1.1 0.9c-0.6 0.4-1 1-1.2 1.6-0.1 0.4-0.2 1-0.2 1.8h-4.2c0-1.7 0.2-2.9 0.5-3.6 0.2-0.7 0.9-1.4 2-2.3l1.2-0.9 0.9-0.9c0.4-0.5 0.6-1.2 0.6-1.8 0-0.8-0.3-1.5-0.7-2.2-0.5-0.6-1.3-0.9-2.5-0.9s-2.1 0.4-2.6 1.1c-0.5 0.8-0.7 1.7-0.7 2.5h-4.5c0.2-2.9 1.2-5 3.1-6.2zm2.6 17.4h4.6v4.4h-4.6v-4.4z"/>
+				</g>
+			</g>
+		</g>
+	</g>
+<g id="OUTLAND" style="display:none" transform="translate(44.606 -3424.8)" display="none">
+	<path id="path1431" style="display:inline;fill:#9e9994" display="inline" d="m18122 0v17875h-18122v-17875h18122zm-9482 9235.3h841.9v-595.3h-841.9v595.3z"/>
+</g>
+<metadata><rdf:RDF><cc:Work><dc:format>image/svg+xml</dc:format><dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/><cc:license rdf:resource="http://creativecommons.org/licenses/publicdomain/"/><dc:publisher><cc:Agent rdf:about="http://openclipart.org/"><dc:title>Openclipart</dc:title></cc:Agent></dc:publisher><dc:title>Users</dc:title><dc:date>2007-11-16T10:54:09</dc:date><dc:description/><dc:source>https://openclipart.org/detail/11063/users-by-sampler-11063</dc:source><dc:creator><cc:Agent><dc:title>sampler</dc:title></cc:Agent></dc:creator><dc:subject><rdf:Bag><rdf:li>job</rdf:li><rdf:li>people</rdf:li><rdf:li>profession</rdf:li><rdf:li>user</rdf:li><rdf:li>work</rdf:li></rdf:Bag></dc:subject></cc:Work><cc:License rdf:about="http://creativecommons.org/licenses/publicdomain/"><cc:permits rdf:resource="http://creativecommons.org/ns#Reproduction"/><cc:permits rdf:resource="http://creativecommons.org/ns#Distribution"/><cc:permits rdf:resource="http://creativecommons.org/ns#DerivativeWorks"/></cc:License></rdf:RDF></metadata></svg>
--- a/calsocial/static/css/style.css
+++ b/calsocial/static/css/style.css
@@ -0,0 +1,121 @@
+header > h1 > img {
+    height: 1em;
+}
+
+#content {
+    margin-top: 10px;
+}
+
+.ui.profile {
+    display: block;
+    position: relative;
+    height: 50px;
+}
+
+.ui.profile > .avatar {
+    width: 48px;
+    height: 48px;
+    border: 1px solid black;
+    border-radius: 50%;
+    position: absolute;
+}
+
+.ui.profile > .display.name {
+    position: absolute;
+    left: 58px;
+    font-weight: bold;
+    color: #000000;
+}
+
+.ui.profile > .handle {
+    position: absolute;
+    top: 1.5em;
+    left: 58px;
+    color: #666666;
+}
+
+.ui.centered.statistics {
+    justify-content: center;
+}
+
+.timezone-warning {
+    color: #e94a4a;
+}
+
+footer {
+    margin-top: 3em;
+    font-weight: bold;
+    border-top: 1px dotted black;
+    padding-top: 1em;
+}
+
+@media not speech {
+    .sr-only {
+        display: none;
+    }
+}
+
+table.calendar > * {
+    font-family: sans;
+}
+
+table.calendar {
+    width: 100%;
+    border-collapse: collapse;
+    table-layout: fixed;
+}
+
+tr.month > td {
+    text-align: center;
+    font-weight: bold;
+    border-bottom: 2px solid black;
+    padding-bottom: .5em;
+}
+
+tr.month > td > a {
+    font-weight: normal;
+    color: black;
+}
+
+tr.month > td.month-name > a {
+    font-weight: bold;
+}
+
+tr.days > td {
+    text-align: center;
+    border-bottom: 2px solid black;
+}
+
+tr.week > td {
+    height: 3em;
+}
+
+tr.week > td > span.day-num {
+    font-weight: bold;
+}
+
+tr.week > td.other-month > span.day-num {
+    font-weight: normal;
+    color: #909090;
+}
+
+tr.week > td.today {
+    background-color: #d8d8d8;
+}
+
+tr.week > td > a.event {
+    display: block;
+    color: black;
+    text-decoration: none;
+    border: 1px solid green;
+    background-color: white;
+    border-radius: 2px;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    overflow: hidden;
+}
+
+tr.sizer > td {
+    width: 14.2857%;
+    height: 0;
+}
--- a/calsocial/static/semantic/semantic.min.css
+++ b/calsocial/static/semantic/semantic.min.css
--- a/calsocial/static/semantic/semantic.min.js
+++ b/calsocial/static/semantic/semantic.min.js
--- a/calsocial/templates/_macros.html
+++ b/calsocial/templates/_macros.html
@@ -0,0 +1,30 @@
+{% macro field(field, inline=false) %}
+<div class="{% if inline %}inline {% endif %}field">
+    {% if field.errors %}
+        {% for error in field.errors %}
+    {{ error }}
+        {% endfor %}
+    <br>
+    {% endif %}
+    {% if field.widget.input_type != 'checkbox' %}
+    {{ field.label }}
+    {% endif %}
+    {{ field }}
+    {% if field.widget.input_type == 'checkbox' %}
+    {{ field.label }}<br>
+    {% endif %}
+    {% if field.description %}
+    {{ field.description }}
+    {% endif %}
+</div>
+{% endmacro %}
+
+{% macro profile_link(profile) %}
+<a href="{% if profile %}{{ url_for('display_profile', username=profile.user.username) }}{% else %}#{% endif %}" class="ui profile">
+    {% if profile and profile.builtin_avatar %}
+    <img src="{{ url_for('static', filename='avatars/' + profile.builtin_avatar + '.svg') }}" alt="" class="ui circular avatar image">
+    {% endif %}
+    <div class="display name">{{ profile.display_name }}</div>
+    <div class="handle">{{ profile or '' }}</div>
+</a>
+{% endmacro %}
--- a/calsocial/templates/account/active-sessions.html
+++ b/calsocial/templates/account/active-sessions.html
@@ -0,0 +1,15 @@
+{% extends 'account/settings-base.html' %}
+
+{% block settings_content %}
+<h2>{% trans %}Active sessions{% endtrans %}</h2>
+<ul>
+    {% for sess in sessions %}
+    <li>
+        {{ sess['ip'] }}
+        {% if sess.sid != session.sid %}
+        <a href="{{ url_for('account.invalidate_session', sid=sess.sid) }}">{% trans %}Invalidate{% endtrans %}</a>
+        {% endif %}
+    </li>
+    {% endfor %}
+</ul>
+{% endblock settings_content %}
--- a/calsocial/templates/account/first-steps.html
+++ b/calsocial/templates/account/first-steps.html
@@ -0,0 +1,27 @@
+{% extends 'base.html' %}
+{% from '_macros.html' import field %}
+
+{% block content %}
+<h1>{% trans %}First steps{% endtrans %}</h1>
+<p>
+    {% trans %}Welcome to Calendar.social!{% endtrans %}
+</p>
+<p>
+    {% trans %}These are the first steps you should make before you can start using the site.{% endtrans %}
+</p>
+<form method="post" class="ui form">
+    {{ form.hidden_tag() }}
+
+    {% if form.errors %}
+    {% for error in form.errors %}
+    {{ error }}
+    {% endfor %}
+    <br>
+    {% endif %}
+
+    {{ field(form.display_name) }}
+    {{ field(form.time_zone) }}
+
+    <button type="submit" class="ui primary button">{% trans %}Save{% endtrans %}</button>
+</form>
+{% endblock content %}
--- a/calsocial/templates/account/follow-requests.html
+++ b/calsocial/templates/account/follow-requests.html
@@ -0,0 +1,23 @@
+{% extends 'base.html' %}
+
+{% block content %}
+<h2>{% trans %}Follow requests{% endtrans %}</h2>
+    {% if requests.count() %}
+<ul>
+        {% for req in requests %}
+    <li>
+        {{ req.follower }}
+        <a href="{{ url_for('account.accept_follow', follower_id=req.follower_id) }}" class="ui button">{% trans %}Accept{% endtrans %}</a>
+    </li>
+        {% endfor %}
+</ul>
+    {% else %}
+{% trans %}No requests to display.{% endtrans %}
+    {% endif %}
+    {% if not current_user.profile.locked %}
+<p>
+    {% trans %}Your profile is not locked.{% endtrans %}
+    {% trans %}Anyone can follow you without your consent.{% endtrans %}
+</p>
+    {% endif %}
+{% endblock content %}
--- a/calsocial/templates/account/notifications.html
+++ b/calsocial/templates/account/notifications.html
@@ -3,5 +3,7 @@
 {% block content %}
 {% for notif in notifs %}
 {{ notif.html }}<br>
+{% else %}
+{% trans %}Nothing to show.{% endtrans %}
 {% endfor %}
 {% endblock content %}
--- a/calsocial/templates/account/profile-edit.html
+++ b/calsocial/templates/account/profile-edit.html
@@ -0,0 +1,22 @@
+{% extends 'account/settings-base.html' %}
+{% from '_macros.html' import field %}
+
+{% block settings_content %}
+<h2>{% trans %}Edit profile{% endtrans %}</h2>
+<form method="post" class="ui form">
+    {{ form.hidden_tag() }}
+
+    {% if form.errors %}
+    {% for error in form.errors %}
+    {{ error }}
+    {% endfor %}
+    <br>
+    {% endif %}
+
+    {{ field(form.builtin_avatar) }}
+    {{ field(form.display_name) }}
+    {{ field(form.locked, inline=true) }}
+
+    <button type="submit" class="ui primary button">{% trans %}Save{% endtrans %}</button>
+</form>
+{% endblock settings_content %}
--- a/calsocial/templates/account/registration.html
+++ b/calsocial/templates/account/registration.html
@@ -0,0 +1,19 @@
+{% extends 'base.html' %}
+{% from '_macros.html' import field %}
+
+{% block content %}
+<form method="post" class="ui form">
+    {{ form.hidden_tag() }}
+
+    {% for error in form.errors %}
+    {{ form.errors }}
+    {% endfor %}
+
+    {{ field(form.username) }}
+    {{ field(form.email) }}
+    {{ field(form.password) }}
+    {{ field(form.password_retype) }}
+
+    <button type="submit" class="ui primary button">{% trans %}Register{% endtrans %}</button>
+</form>
+{% endblock %}
--- a/calsocial/templates/account/settings-base.html
+++ b/calsocial/templates/account/settings-base.html
@@ -0,0 +1,16 @@
+{% extends 'base.html' %}
+
+{% block content %}
+<div class="ui grid">
+    <div class="four wide column">
+        <div class="ui secondary pointing vertical menu">
+            <a class="item{% if request.endpoint == 'account.edit_profile' %} active{% endif %}" href="{{ url_for('account.edit_profile') }}">{% trans %}Edit profile{% endtrans %}</a>
+            <a class="item{% if request.endpoint == 'account.settings' %} active{% endif %}" href="{{ url_for('account.settings') }}">{% trans %}Settings{% endtrans %}</a>
+            <a class="item{% if request.endpoint == 'account.active_sessions' %} active{% endif %}" href="{{ url_for('account.active_sessions') }}">{% trans %}Active sessions{% endtrans %}</a>
+        </div>
+    </div>
+    <div class="twelve wide stretched column">
+    {% block settings_content %}{% endblock %}
+    </div>
+</div>
+{% endblock %}
--- a/calsocial/templates/account/user-settings.html
+++ b/calsocial/templates/account/user-settings.html
@@ -0,0 +1,20 @@
+{% extends 'account/settings-base.html' %}
+{% from '_macros.html' import field %}
+
+{% block settings_content %}
+<h2>{% trans %}Settings{% endtrans %}</h2>
+<form method="post" class="ui form">
+    {{ form.hidden_tag() }}
+
+    {% if form.errors %}
+    {% for error in form.errors %}
+    {{ error }}
+    {% endfor %}
+    <br>
+    {% endif %}
+
+    {{ field(form.timezone) }}
+
+    <button type="submit" class="ui primary button">{% trans %}Save{% endtrans %}</button>
+</form>
+{% endblock settings_content %}
--- a/calsocial/templates/base.html
+++ b/calsocial/templates/base.html
@@ -7,47 +7,49 @@
        <link rel="icon" type="image/png" sizes="32x32" href="{{ url_for('static', filename='images/calendar-social-icon-32.png') }}">
        <link rel="icon" type="image/png" sizes="32x32" href="{{ url_for('static', filename='images/calendar-social-icon-96.png') }}">
        <link rel="icon" type="image/png" sizes="32x32" href="{{ url_for('static', filename='images/calendar-social-icon-192.png') }}">
-{% block head %}
-        <style>
-         header > h1 > img {
-             height: 1em;
-         }

-         footer {
-             margin-top: 3em;
-             font-weight: bold;
-             border-top: 1px dotted black;
-             padding-top: 1em;
-         }
-        </style>
-{% endblock %}
+        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/fork-awesome@1.1.0/css/fork-awesome.min.css" integrity="sha256-sX8HLspqYoXVPetzJRE4wPhIhDBu2NB0kYpufzkQSms=" crossorigin="anonymous">
+        <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='semantic/semantic.min.css') }}">
+
+        <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}" type="text/css">
+
+        <meta charset="utf-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+{% block head %}{% endblock %}
    </head>
    <body>
        <header>
-            <h1>
-                <img src="{{ url_for('static', filename='images/calendar-social-icon.svg') }}">
-                Calendar.social
-            </h1>
-            <nav class="menu">
-{% if current_user.is_authenticated %}
-                {{ _('Logged in as %(username)s', username=('<a href="' + url_for('display_profile', username=current_user.username) + '">' + current_user.username + '</a>') | safe) }}
-{% endif %}
-                <ul>
+            <div class="ui top attached menu">
+                <div class="header item">
+                    <img src="{{ url_for('static', filename='images/calendar-social-icon.svg') }}">
+                    Calendar.social
+                </div>
+                <div class="right menu">
 {% if not current_user.is_authenticated %}
-                    <li><a href="{{ url_for('security.login') }}">{% trans %}Login{% endtrans %}</a></li>
+                    <a class="item" href="{{ url_for('security.login') }}">{% trans %}Login{% endtrans %}</a>
 {% else %}
-                    <li><a href="{{ url_for('hello') }}">{% trans %}Calendar view{% endtrans %}</a></li>
-                    <li><a href="{{ url_for('notifications') }}">{% trans %}Notifications{% endtrans %}</a></li>
-                    <li><a href="{{ url_for('settings') }}">{% trans %}Settings{% endtrans %}</a></li>
-                    <li><a href="{{ url_for('security.logout') }}">{% trans %}Logout{% endtrans %}</a></li>
+                    <div class="item">
+    {% trans username=('<a href="' + url_for('display_profile', username=current_user.username) + '">' + current_user.username + '</a>') | safe -%}
+                        Logged in as {{username}}
+    {%- endtrans %}
+                    </div>
+                    <a class="item" href="{{ url_for('hello') }}">{% trans %}Calendar view{% endtrans %}</a>
+                    <a class="item" href="{{ url_for('account.notifications') }}">{% trans %}Notifications{% endtrans %}</a>
+                    <a class="item" href="{{ url_for('account.settings') }}">{% trans %}Settings{% endtrans %}</a>
+                    <a class="item" href="{{ url_for('security.logout') }}">{% trans %}Logout{% endtrans %}</a>
 {% endif %}
-                </ul>
-            </nav>
+                </div>
+            </div>
        </header>
+        <div class="ui container" id="content">
 {% block content %}{% endblock %}
-        <footer>
+        </div>
+        <footer class="ui segment">
+            <a href="{{ url_for('about') }}">{% trans %}About this instance{% endtrans %}</a><br>
            Soon…™
        </footer>
 {% block scripts %}{% endblock %}
+        <script src="https://code.jquery.com/jquery-3.1.1.min.js" integrity="sha256-hVVnYaiADRTO2PzUGmuLJr8BLUSjGIZsDYGmIJLv2b8=" crossorigin="anonymous"></script>
+        <script src="{{ url_for('static', filename='semantic/semantic.min.js') }}"></script>
    </body>
 </html>
--- a/calsocial/templates/event-details.html
+++ b/calsocial/templates/event-details.html
@@ -1,15 +1,29 @@
 {% extends 'base.html' %}
+{% from '_macros.html' import field %}
+
+{% macro time_zone_warning() %}
+    {% trans timezone=event.time_zone, start_time=event.start_time_tz | datetimeformat(rebase=false), end_time=event.end_time_tz | datetimeformat(rebase=false) -%}
+This event is organised in the {{timezone}} time zone, in which it happens between {{start_time}} and {{end_time}}
+    {%- endtrans %}
+{% endmacro %}

 {% block content %}
-<h1>
-    {{ event.title }}<br>
-    <small>
-        {{ event.start_time_for_user(current_user) }}–{{ event.end_time_for_user(current_user) }}
-    {% if current_user.timezone | string != event.time_zone %}
-        ({{ event.start_time_tz }}–{{ event.end_time_tz }} {{ event.time_zone }})
+<h2 class="ui header">
+    <div class="content">
+        {{ event.title }}<br>
+        <div class="sub header">
+    {%- if current_user.timezone | string != event.time_zone -%}
+            <span title="{{ time_zone_warning() }}">
+                <i class="fa fa-exclamation-triangle timezone-warning"></i>
+                <span class="sr-only">{{ time_zone_warning() }}</span>
+            </span>
    {% endif %}
-    </small>
-</h1>
+            {{ event.start_time_for_user(current_user) | datetimeformat(rebase=false) }}
+            –
+            {{ event.end_time_for_user(current_user) | datetimeformat(rebase=false) }}
+        </div>
+    </div>
+</h2>
 {{ event.description }}
 <hr>
 <h2>{% trans %}Invited users{% endtrans %}</h2>
@@ -25,13 +39,12 @@
 </ul>
 <hr>
 <h2>{% trans %}Invite{% endtrans %}</h2>
-<form method="post">
+<form method="post" class="ui form">
    {{ form.hidden_tag() }}
+    <div class="inline fields">
+        {{ field(form.invitee, inline=true) }}

-    {{ form.invitee.errors }}
-    {{ form.invitee.label }}
-    {{ form.invitee}}
-
-    <button type="submit">{% trans %}Invite{% endtrans %}</button>
+        <button type="submit" class="ui button">{% trans %}Invite{% endtrans %}</button>
+    </div>
 </form>
 {% endblock %}
--- a/calsocial/templates/event-edit.html
+++ b/calsocial/templates/event-edit.html
@@ -1,43 +1,27 @@
 {% extends 'base.html' %}
+{% from '_macros.html' import field %}

 {% block content %}
-<form method="post">
+<h2>Create event</h2>
+<form method="post" class="ui form">
    {{ form.hidden_tag() }}

-    {{ form.errors }}
+    {% if form.errors %}
+        {% for error in form.errors %}
+    {{ error }}
+        {% endfor %}
    <br>
+    {% endif %}

-    {{ form.title.errors }}
-    {{ form.title.label }}
-    {{ form.title }}
-    <br>
+    {{ field(form.title) }}
+    {{ field(form.time_zone) }}
+    {{ field(form.start_time) }}
+    {{ field(form.end_time) }}
+    {{ field(form.all_day) }}
+    {{ field(form.description) }}
+    {{ field(form.visibility) }}

-    {{ form.time_zone.errors }}
-    {{ form.time_zone.label }}
-    {{ form.time_zone }}
-    <br>
-
-    {{ form.start_time.errors }}
-    {{ form.start_time.label }}
-    {{ form.start_time }}
-    <br>
-
-    {{ form.end_time.errors }}
-    {{ form.end_time.label }}
-    {{ form.end_time }}
-    <br>
-
-    {{ form.all_day.errors }}
-    {{ form.all_day.label }}
-    {{ form.all_day }}
-    <br>
-
-    {{ form.description.errors }}
-    {{ form.description.label }}
-    {{ form.description }}
-    <br>
-
-    <button type="submit">{% trans %}Save{% endtrans %}</button>
-    <a href="{{ url_for('hello') }}">Cancel</a>
+    <button type="submit" class="ui primary button">{% trans %}Save{% endtrans %}</button>
+    <a href="{{ url_for('hello') }}" class="ui button">Cancel</a>
 </form>
 {% endblock content %}
--- a/calsocial/templates/first-steps.html
+++ b/calsocial/templates/first-steps.html
@@ -1,31 +0,0 @@
-{% extends 'base.html' %}
-
-{% block content %}
-<h1>{% trans %}First steps{% endtrans %}</h1>
-<p>
-    {% trans %}Welcome to Calendar.social!{% endtrans %}
-</p>
-<p>
-    {% trans %}These are the first steps you should make before you can start using the site.{% endtrans %}
-</p>
-<form method="post">
-    {{ form.errors }}
-    {{ form.hidden_tag() }}
-
-    <p>
-        {{ form.display_name.errors }}
-        {{ form.display_name.label }}
-        {{ form.display_name }}<br>
-        {{ form.display_name.description }}
-    </p>
-
-    <p>
-        {{ form.time_zone.errors }}
-        {{ form.time_zone.label }}
-        {{ form.time_zone }}<br>
-        {{ form.time_zone.description }}
-    </p>
-
-    <button type="submit">{% trans %}Save{% endtrans %}</button>
-</form>
-{% endblock content %}
--- a/calsocial/templates/index.html
+++ b/calsocial/templates/index.html
@@ -1,9 +1,11 @@
 {% extends 'base.html' %}

 {% block content %}
-{{ _('Welcome to Calendar.social, %(username)s!', username=current_user.username) }}
+{% trans username=current_user.username -%}
+Welcome to Calendar.social, {{username}}!
+{%- endtrans %}

 {% include 'month-view.html' %}

-<a href="{{ url_for('new_event') }}">{% trans %}Add event{% endtrans %}</a>
+<a href="{{ url_for('new_event') }}" class="ui primary button">{% trans %}Add event{% endtrans %}</a>
 {% endblock content %}
--- a/calsocial/templates/login.html
+++ b/calsocial/templates/login.html
@@ -0,0 +1,26 @@
+{#
+   FIXME: This template should live under security/ if the app templates would override extension
+          templates…
+#}
+{% extends 'base.html' %}
+{% from '_macros.html' import field %}
+
+{% block content %}
+<h1>{% trans %}Login{% endtrans %}</h1>
+<form method="post" class="ui form">
+    {{ login_user_form.hidden_tag() }}
+
+    {% if login_user_form.errors %}
+        {% for error in login_user_form.errors %}
+    {{ error }}
+        {% endfor %}
+    <br>
+    {% endif %}
+
+    {{ field(login_user_form.email) }}
+    {{ field(login_user_form.password) }}
+    {{ field(login_user_form.remember) }}
+
+    <button type="submit" class="ui primary button">{% trans %}Login{% endtrans %}</button>
+</form>
+{% endblock %}
--- a/calsocial/templates/month-view.html
+++ b/calsocial/templates/month-view.html
@@ -1,69 +1,3 @@
-<style>
- table.calendar > * {
-     font-family: sans;
- }
-
- table.calendar {
-     width: 100%;
-     border-collapse: collapse;
-     table-layout: fixed;
- }
-
- tr.month > td {
-     text-align: center;
-     font-weight: bold;
-     border-bottom: 2px solid black;
-     padding-bottom: .5em;
- }
-
- tr.month > td > a {
-     font-weight: normal;
-     color: black;
- }
-
- tr.month > td.month-name > a {
-     font-weight: bold;
- }
-
- tr.days > td {
-     text-align: center;
-     border-bottom: 2px solid black;
- }
-
- tr.week > td {
-     height: 3em;
- }
-
- tr.week > td > span.day-num {
-     font-weight: bold;
- }
-
- tr.week > td.other-month > span.day-num {
-     font-weight: normal;
-     color: #909090;
- }
-
- tr.week > td.today {
-     background-color: #d8d8d8;
- }
-
- tr.week > td > a.event {
-     display: block;
-     color: black;
-     text-decoration: none;
-     border: 1px solid green;
-     background-color: white;
-     border-radius: 2px;
-     text-overflow: ellipsis;
-     white-space: nowrap;
-     overflow: hidden;
- }
-
- tr.sizer > td {
-     width: 14.2857%;
-     height: 0;
- }
-</style>
 <table class="calendar">
    <thead>
        <tr class="sizer">
@@ -77,10 +11,10 @@
        </tr>
        <tr class="month">
            <td>
-                <a href="{{ url_for('hello', date=calendar.prev_year) }}">« {{ calendar.prev_year_year }}</a>
+                <a href="{{ url_for('hello', date=calendar.prev_year.timestamp()) }}">« {{ calendar.prev_year_year }}</a>
            </td>
            <td>
-                <a href="{{ url_for('hello', date=calendar.prev_month) }}">‹ {{ calendar.prev_month_name }}</a>
+                <a href="{{ url_for('hello', date=calendar.prev_month.timestamp()) }}">‹ {{ calendar.prev_month_name }}</a>
            </td>
            <td colspan="3" class="month-name">
 {% if not calendar.has_today %}
@@ -92,10 +26,10 @@
 {% endif %}
            </td>
            <td>
-                <a href="{{ url_for('hello', date=calendar.next_month) }}">{{ calendar.next_month_name }} ›</a>
+                <a href="{{ url_for('hello', date=calendar.next_month.timestamp()) }}">{{ calendar.next_month_name }} ›</a>
            </td>
            <td>
-                <a href="{{ url_for('hello', date=calendar.next_year) }}">{{ calendar.next_year_year }} »</a>
+                <a href="{{ url_for('hello', date=calendar.next_year.timestamp()) }}">{{ calendar.next_year_year }} »</a>
            </td>
        </tr>
        <tr class="days">
@@ -120,9 +54,11 @@
    {%- endif %}
            <td class="{% if day.month != calendar.timestamp.month %} other-month{% endif %}{% if day.date() == now.date() %} today{% endif %}">
                <span class="day-num">{{ day.day }}</span>
-    {% for event in calendar.day_events(day, user=current_user) %}
+    {% for event in calendar.day_events(day, user=current_user if user_only else none) %}
                <a href="{{ url_for('event_details', event_uuid=event.event_uuid) }}" class="event">
+        {% if not event.all_day %}
                    {{ event.start_time_for_user(current_user).strftime('%H:%M') }}–{{ event.end_time_for_user(current_user).strftime('%H:%M') }}
+        {% endif %}
                    {{ event.title }}
                </a>
    {% endfor %}
--- a/calsocial/templates/profile-details.html
+++ b/calsocial/templates/profile-details.html
@@ -1,10 +1,18 @@
 {% extends 'base.html' %}
+{% from '_macros.html' import profile_link %}

 {% block content %}
-<h1>
-    {{ profile.name }}
+<h2 class="ui header">
+    {% if profile.builtin_avatar %}
+    <img src="{{ url_for('static', filename='avatars/' + profile.builtin_avatar + '.svg') }}" alt="" class="ui circular image">
+    {% endif %}
+    {% if profile.locked %}
+    <i class="fa fa-lock" aria-hidden="true" title="{% trans %}locked profile{% endtrans %}"></i>
+    <span class="sr-only">{% trans %}locked profile{% endtrans %}</span>
+    {% endif %}
+    {{ profile.display_name }}
    <small>@{{ profile.user.username}}</small>
-</h1>
+</h2>
    {% if profile.user != current_user %}
 <a href="{{ url_for('follow_user', username=profile.user.username) }}">{% trans %}Follow{% endtrans %}</a>
    {% endif %}
@@ -14,7 +22,7 @@
 </h2>

    {% for followed in profile.followed_list %}
-{{ followed }}
+{{ profile_link(followed) }}
    {% endfor %}

 <h2>
@@ -22,6 +30,6 @@
 </h2>

    {% for follower in profile.follower_list %}
-{{ follower }}
+{{ profile_link(follower) }}
    {% endfor %}
 {% endblock content %}
--- a/calsocial/templates/registration.html
+++ b/calsocial/templates/registration.html
@@ -1,30 +0,0 @@
-{% extends 'base.html' %}
-
-{% block content %}
-<form method="post">
-    {{ form.errors }}
-    {{ form.hidden_tag() }}
-
-    {{ form.username.errors }}
-    {{ form.username.label }}
-    {{ form.username }}
-    <br>
-
-    {{ form.email.errors }}
-    {{ form.email.label }}
-    {{ form.email }}
-    <br>
-
-    {{ form.password.errors }}
-    {{ form.password.label }}
-    {{ form.password }}
-    <br>
-
-    {{ form.password_retype.errors }}
-    {{ form.password_retype.label }}
-    {{ form.password_retype }}
-    <br>
-
-    <button type="submit">{% trans %}Register{% endtrans %}</button>
-</form>
-{% endblock %}
--- a/calsocial/templates/user-settings.html
+++ b/calsocial/templates/user-settings.html
@@ -1,18 +0,0 @@
-{% extends 'base.html' %}
-
-{% block content %}
-<form method="post">
-    {{ form.hidden_tag() }}
-
-    {{ form.errors }}
-    <br>
-
-    {{ form.timezone.errors }}
-    {{ form.timezone.label }}
-    {{ form.timezone}}
-    <br>
-
-    <button type="submit">{% trans %}Save{% endtrans %}</button>
-    <a href="{{ url_for('hello') }}">Cancel</a>
-</form>
-{% endblock content %}
--- a/calsocial/templates/welcome.html
+++ b/calsocial/templates/welcome.html
@@ -1,5 +1,83 @@
 {% extends 'base.html' %}
+{% from '_macros.html' import profile_link %}

 {% block content %}
-<p>Welcome to Calendar.social.  There will be lot of content here soon!</p>
+<div class="ui grid">
+    <div class="row">
+        <div class="four wide column">
+    {% if not current_user.is_authenticated %}
+            <h2>{% trans %}Login{% endtrans %}</h2>
+            <form class="ui form" method="post" action="{{ url_for('security.login') }}">
+                {{ login_form.hidden_tag() }}
+                {{ login_form.email.label }}
+                {{ login_form.email }}
+                {{ login_form.password.label }}
+                {{ login_form.password }}
+                <button type="submit" class="fluid ui primary button">{% trans %}Login{% endtrans %}</button>
+            </form>
+        {% if config.REGISTRATION_ENABLED %}
+            <div class="ui horizontal divider">
+                {% trans %}Or{% endtrans %}
+            </div>
+            <a href="{{ url_for('account.register_account' ) }}" class="fluid ui button">{% trans %}Register an account{% endtrans %}</a>
+        {% endif %}
+            <div class="ui horizontal divider"></div>
+    {% endif %}
+            <h2>{% trans %}What is Calendar.social?{% endtrans %}</h2>
+            <p>
+                {% trans %}Calendar.social is a calendar app based on open protocols and free, open source software.{% endtrans %}
+                {% trans %}It is decentralised like one of its counterparts, email.{% endtrans %}
+            </p>
+    {% if current_user.is_authenticated %}
+            <div class="ui horizontal divider"></div>
+            <a href="{{ url_for('hello') }}" class="ui fluid primary button">{% trans %}Go to your calendar{% endtrans %}</a>
+    {% endif %}
+        </div>
+        <div class="twelve wide column">
+            <h2>{% trans %}Peek inside{% endtrans %}</h2>
+    {% include 'month-view.html' %}
+        </div>
+    </div>
+    <div class="row">
+        <div class="four wide column">
+            <h2>{% trans %}Built with users in mind{% endtrans %}</h2>
+            <p>
+                {% trans %}From planning your appointments to organising large scale events Calendar.social can help with all your scheduling needs.{% endtrans %}
+            </p>
+        </div>
+
+        <div class="four wide column">
+            <div class="ui centered statistics">
+                <div class="statistic">
+                    <div class="value">{{ user_count }}</div>
+                    <div class="label">
+                        {% trans count=user_count %}user{% pluralize %}users{% endtrans %}
+                    </div>
+                </div>
+                <div class="statistic">
+                    <div class="value">{{ event_count }}</div>
+                    <div class="label">
+                        {% trans count=event_count %}event{% pluralize %}events{% endtrans %}
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <div class="four wide column">
+            <h2>{% trans %}Built for people{% endtrans %}</h2>
+            <p>
+                {% trans %}Calendar.social is not a commercial network.{% endtrans %}
+                {% trans %}No advertising, no data mining, no walled gardens.{% endtrans %}
+                {% trans %}There is no central authority.{% endtrans %}
+            </p>
+        </div>
+
+        <div class="four wide column">
+    {% if admin_profile %}
+            <h2>{% trans %}Administered by{% endtrans %}</h2>
+            {{ profile_link(admin_profile) }}
+    {% endif %}
+        </div>
+    </div>
+</div>
 {% endblock content %}
--- a/calsocial/translations/hu/LC_MESSAGES/messages.po
+++ b/calsocial/translations/hu/LC_MESSAGES/messages.po
@@ -1,14 +1,15 @@
-# Hungarian translations for PROJECT.
-# Copyright (C) 2018 ORGANIZATION
-# This file is distributed under the same license as the PROJECT project.
-# FIRST AUTHOR <EMAIL@ADDRESS>, 2018.
+# Hungarian translations for Calendar.social.
+# Copyright (C) 2018 Gergely Polonkai
+# This file is distributed under the same license as the Calendar.social
+# project.
+# Gergely Polonkai <gergely@polonkai.eu>, 2018.
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: 0.1\n"
+"Project-Id-Version:  0.1\n"
 "Report-Msgid-Bugs-To: gergely@polonkai.eu\n"
-"POT-Creation-Date: 2018-06-29 14:14+0200\n"
-"PO-Revision-Date: 2018-06-29 14:26+0200\n"
+"POT-Creation-Date: 2018-07-16 11:09+0200\n"
+"PO-Revision-Date: 2018-07-16 10:37+0200\n"
 "Last-Translator: Gergely Polonkai <gergely@polonkai.eu>\n"
 "Language: hu\n"
 "Language-Team: hu <gergely@polonkai.eu>\n"
@@ -18,44 +19,407 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: Babel 2.6.0\n"

-#: app/forms.py:8
+#: calsocial/forms.py:53
+msgid "This username is not available"
+msgstr "Ez a felhasználónév nem elérhető"
+
+#: calsocial/forms.py:84
+msgid "This email address can not be used"
+msgstr "Ez az e-mail cím nem használható"
+
+#: calsocial/forms.py:96
 msgid "Username"
 msgstr "Felhasználónév"

-#: app/forms.py:9
+#: calsocial/forms.py:97
 msgid "Email address"
 msgstr "E-mail cím"

-#: app/forms.py:10
+#: calsocial/forms.py:98
 msgid "Password"
 msgstr "Jelszó"

-#: app/forms.py:11
+#: calsocial/forms.py:99
 msgid "Password, once more"
 msgstr "Jelszó még egszer"

-#: app/forms.py:15
+#: calsocial/forms.py:108
 msgid "The two passwords must match!"
 msgstr "A két jelszónak egyeznie kell!"

-#: app/templates/base.html:21
+#: calsocial/forms.py:176
+msgid "Title"
+msgstr "Cím"
+
+#: calsocial/forms.py:177 calsocial/forms.py:209
+msgid "Time zone"
+msgstr "Időzóna"
+
+#: calsocial/forms.py:178
+msgid "Start time"
+msgstr "Kezdés időpontja"
+
+#: calsocial/forms.py:179
+msgid "End time"
+msgstr "Befejezés időpontja"
+
+#: calsocial/forms.py:180
+msgid "All day"
+msgstr "Egész napos"
+
+#: calsocial/forms.py:181
+msgid "Description"
+msgstr "Leírás"
+
+#: calsocial/forms.py:202
+msgid "End time must be later than start time!"
+msgstr "A befejezés időpontjának későbbre kell esni, mint a kezdés időpontjának!"
+
+#: calsocial/forms.py:233
+msgid "Username or email"
+msgstr "Felhasználónév vagy e-mail cím"
+
+#: calsocial/forms.py:321
+msgid "User is already invited"
+msgstr "Ez a felhasználó már meg van hívva"
+
+#: calsocial/forms.py:331 calsocial/forms.py:345
+msgid "Display name"
+msgstr "Megjelenítendő név"
+
+#: calsocial/forms.py:334
+msgid ""
+"This will be shown to other users as your name.  You can use your real "
+"name, or any nickname you like."
+msgstr ""
+"Ezt látja majd a többi felhasználó.  Megadhatod a valódi neved, vagy a "
+"kedvenc beceneved."
+
+#: calsocial/forms.py:336
+msgid "Your time zone"
+msgstr "Az időzónád"
+
+#: calsocial/forms.py:338
+msgid "The start and end times of events will be displayed in this time zone."
+msgstr ""
+"Az események kezdési és befejezési időpontjai eszerint az időzóna szerint"
+" jelennek majd meg."
+
+#: calsocial/forms.py:346
+msgid "Lock profile"
+msgstr "Profil zárolása"
+
+#: calsocial/models.py:72
+#, python-format
+msgid "%(actor)s followed you"
+msgstr "%(actor)s követ téged"
+
+#: calsocial/models.py:72
+#, python-format
+msgid "%(actor)s followed %(item)s"
+msgstr "%(actor)s követi ezt: %(item)s"
+
+#: calsocial/models.py:73
+#, python-format
+msgid "%(actor)s invited you to %(item)s"
+msgstr "%(actor)s meghívott erre: %(item)s"
+
+#: calsocial/models.py:499
+#, python-format
+msgid "%(user)s logged in"
+msgstr "%(user)s bejelentkezett"
+
+#: calsocial/models.py:500
+#, python-format
+msgid "%(user)s failed to log in"
+msgstr "%(user)s nem tudott bejelentkezni"
+
+#: calsocial/models.py:501
+#, python-format
+msgid "%(user)s logged out"
+msgstr "%(user)s kijelentkezett"
+
+#: calsocial/models.py:518
+#, python-format
+msgid "UNKNOWN RECORD \"%(log_type)s\" for %(user)s"
+msgstr "ISMERETLEN BEJEGYZÉS TÍPUS (\"%(log_type)s\") %(user)s felhasználótól"
+
+#: calsocial/calendar_system/gregorian.py:43
+msgid "Gregorian"
+msgstr "Gergely naptár"
+
+#: calsocial/calendar_system/gregorian.py:51
+msgid "January"
+msgstr "Január"
+
+#: calsocial/calendar_system/gregorian.py:52
+msgid "February"
+msgstr "Február"
+
+#: calsocial/calendar_system/gregorian.py:53
+msgid "March"
+msgstr "Március"
+
+#: calsocial/calendar_system/gregorian.py:54
+msgid "April"
+msgstr "Április"
+
+#: calsocial/calendar_system/gregorian.py:55
+msgid "May"
+msgstr "Május"
+
+#: calsocial/calendar_system/gregorian.py:56
+msgid "June"
+msgstr "Június"
+
+#: calsocial/calendar_system/gregorian.py:57
+msgid "July"
+msgstr "Július"
+
+#: calsocial/calendar_system/gregorian.py:58
+msgid "August"
+msgstr "Augusztus"
+
+#: calsocial/calendar_system/gregorian.py:59
+msgid "September"
+msgstr "Szeptember"
+
+#: calsocial/calendar_system/gregorian.py:60
+msgid "October"
+msgstr "Október"
+
+#: calsocial/calendar_system/gregorian.py:61
+msgid "November"
+msgstr "November"
+
+#: calsocial/calendar_system/gregorian.py:62
+msgid "December"
+msgstr "December"
+
+#: calsocial/calendar_system/gregorian.py:66
+msgid "Monday"
+msgstr "Hétfő"
+
+#: calsocial/calendar_system/gregorian.py:67
+msgid "Tuesday"
+msgstr "Kedd"
+
+#: calsocial/calendar_system/gregorian.py:68
+msgid "Wednesday"
+msgstr "Szerda"
+
+#: calsocial/calendar_system/gregorian.py:69
+msgid "Thursday"
+msgstr "Csütörtök"
+
+#: calsocial/calendar_system/gregorian.py:70
+msgid "Friday"
+msgstr "Péntek"
+
+#: calsocial/calendar_system/gregorian.py:71
+msgid "Saturday"
+msgstr "Szombat"
+
+#: calsocial/calendar_system/gregorian.py:72
+msgid "Sunday"
+msgstr "Vasárnap"
+
+#: calsocial/templates/base.html:29 calsocial/templates/login.html:9
+#: calsocial/templates/login.html:24 calsocial/templates/welcome.html:7
+#: calsocial/templates/welcome.html:14
+msgid "Login"
+msgstr "Bejelentkezés"
+
+#: calsocial/templates/base.html:32
 #, python-format
 msgid "Logged in as %(username)s"
 msgstr "Bejelentkezve %(username)s néven"

-#: app/templates/base.html:25
-msgid "Login"
-msgstr "Bejelentkezés"
+#: calsocial/templates/base.html:36
+msgid "Calendar view"
+msgstr "Naptár nézet"

-#: app/templates/base.html:27
+#: calsocial/templates/base.html:37
+msgid "Notifications"
+msgstr "Értesítések"
+
+#: calsocial/templates/base.html:38 calsocial/templates/settings-base.html:8
+#: calsocial/templates/user-settings.html:5
+msgid "Settings"
+msgstr "Beállítások"
+
+#: calsocial/templates/base.html:39
 msgid "Logout"
 msgstr "Kijelentkezés"

-#: app/templates/index.html:4
+#: calsocial/templates/event-details.html:5
+#, python-format
+msgid ""
+"This event is organised in the %(timezone)s time zone, in which it "
+"happens between %(start_time)s and %(end_time)s"
+msgstr ""
+"Ez az esemény a(z) %(timezone)s időzónában van szervezve, melyben "
+"%(start_time)s és %(end_time)s között történik"
+
+#: calsocial/templates/event-details.html:29
+msgid "Invited users"
+msgstr "Meghívott felhasználók"
+
+#: calsocial/templates/event-details.html:41
+#: calsocial/templates/event-details.html:47
+msgid "Invite"
+msgstr "Meghívás"
+
+#: calsocial/templates/event-edit.html:23
+#: calsocial/templates/first-steps.html:25
+#: calsocial/templates/profile-edit.html:19
+#: calsocial/templates/user-settings.html:18
+msgid "Save"
+msgstr "Mentés"
+
+#: calsocial/templates/first-steps.html:5
+msgid "First steps"
+msgstr "Első lépések"
+
+#: calsocial/templates/first-steps.html:7
+msgid "Welcome to Calendar.social!"
+msgstr "Üdv a Calendar.social-ban!"
+
+#: calsocial/templates/first-steps.html:10
+msgid ""
+"These are the first steps you should make before you can start using the "
+"site."
+msgstr ""
+"Ezek az első lépések melyeket meg kell tenned, mielőtt elkezded használni"
+" az oldalt."
+
+#: calsocial/templates/follow-requests.html:4
+msgid "Follow requests"
+msgstr "Követési kérések"
+
+#: calsocial/templates/follow-requests.html:10
+msgid "Accept"
+msgstr "Elfogad"
+
+#: calsocial/templates/follow-requests.html:15
+msgid "No requests to display."
+msgstr "Nincs megjeleníthető kérés."
+
+#: calsocial/templates/follow-requests.html:19
+msgid "Your profile is not locked."
+msgstr "A profilod nincs zárolva."
+
+#: calsocial/templates/follow-requests.html:20
+msgid "Anyone can follow you without your consent."
+msgstr "Bárki követhet a beleegyezésed nélkül."
+
+#: calsocial/templates/index.html:4
 #, python-format
 msgid "Welcome to Calendar.social, %(username)s!"
 msgstr "Üdv a Calendar.social-ben, %(username)s!"

-#: app/templates/registration.html:27
+#: calsocial/templates/index.html:10
+msgid "Add event"
+msgstr "Esemény létrehozása"
+
+#: calsocial/templates/notifications.html:7
+msgid "Nothing to show."
+msgstr "Nincsenek értesítések."
+
+#: calsocial/templates/profile-details.html:6
+#: calsocial/templates/profile-details.html:7
+msgid "locked profile"
+msgstr "zárolt profil"
+
+#: calsocial/templates/profile-details.html:13
+msgid "Follow"
+msgstr "Követés"
+
+#: calsocial/templates/profile-details.html:17
+msgid "Follows"
+msgstr "Követett felhasználók"
+
+#: calsocial/templates/profile-details.html:25
+msgid "Followers"
+msgstr "Követők"
+
+#: calsocial/templates/profile-edit.html:5
+#: calsocial/templates/settings-base.html:7
+msgid "Edit profile"
+msgstr "Profil szerkesztése"
+
+#: calsocial/templates/registration.html:17
 msgid "Register"
 msgstr "Regisztráció"
+
+#: calsocial/templates/welcome.html:18
+msgid "Or"
+msgstr "Vagy"
+
+#: calsocial/templates/welcome.html:20
+msgid "Register an account"
+msgstr "Regisztrálj egy fiókot"
+
+#: calsocial/templates/welcome.html:23
+msgid "What is Calendar.social?"
+msgstr "Mi az a Calendar.social?"
+
+#: calsocial/templates/welcome.html:25
+msgid ""
+"Calendar.social is a calendar app based on open protocols and free, open "
+"source software."
+msgstr ""
+"A Calendar.social egy naptár alkalmazás, mely nyílt protokollokat és "
+"szabad, nyílt forráskódú szoftvereket használ."
+
+#: calsocial/templates/welcome.html:26
+msgid "It is decentralised like one of its counterparts, email."
+msgstr "Decentralizált, mint legismertebb társa, az e-mail."
+
+#: calsocial/templates/welcome.html:30
+msgid "Peek inside"
+msgstr "Less be"
+
+#: calsocial/templates/welcome.html:36
+msgid "Built for users in mind"
+msgstr "A felhasználók igényeire szabva"
+
+#: calsocial/templates/welcome.html:38
+#, fuzzy
+msgid ""
+"From planning your appointments to organising large scale events "
+"Calendar.social can help with all your scheduling needs."
+msgstr ""
+"Találkozók tervezésétől a nagyméretű rendezvények szervezéséig, a "
+"Calendar.social segít az ütemezésben."
+
+#: calsocial/templates/welcome.html:47
+msgid "user"
+msgid_plural "users"
+msgstr[0] "felhasználó"
+
+#: calsocial/templates/welcome.html:53
+msgid "event"
+msgid_plural "events"
+msgstr[0] "esemény"
+
+#: calsocial/templates/welcome.html:60
+msgid "Built for people"
+msgstr "Embereknek készítve"
+
+#: calsocial/templates/welcome.html:62
+msgid "Calendar.social is not a commercial network."
+msgstr "A Calendar.social nem egy kereskedelmi hálózat."
+
+#: calsocial/templates/welcome.html:63
+msgid "No advertising, no data mining, no walled gardens."
+msgstr "Nincs reklám, nincs adatbányászat, nincsenek korlátok."
+
+#: calsocial/templates/welcome.html:64
+msgid "There is no central authority."
+msgstr "Nincs központi autoritás."
+
+#: calsocial/templates/welcome.html:69
+msgid "Administered by"
+msgstr "Üzemelteti"
+
--- a/calsocial/translations/it/LC_MESSAGES/messages.po
+++ b/calsocial/translations/it/LC_MESSAGES/messages.po
@@ -0,0 +1,462 @@
+# Translations template for Calendar.social.
+# Copyright (C) 2018 Sylke Vicious
+# This file is distributed under the same license as the Calendar.social project.
+# Sylke Vicious <silkevicious@layer8.space>, 2018.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: 0.1\n"
+"Report-Msgid-Bugs-To: gergely@polonkai.eu\n"
+"POT-Creation-Date: 2018-07-31 09:55+0200\n"
+"PO-Revision-Date: 2018-07-31 09:56+0200\n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.6.0\n"
+"X-Generator: Poedit 2.0.9\n"
+"Last-Translator: Sylke Vicious <silkevicious@layer8.space>\n"
+"Plural-Forms: nplurals=3; plural=(n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 "
+"|| n%100>=20) ? 1 : 2);\n"
+"Language: it\n"
+
+#: calsocial/account.py:227
+msgid "Can’t invalidate your current session"
+msgstr "Non puoi revocare la tua sessione corrente"
+
+#: calsocial/forms.py:57
+msgid "This username is not available"
+msgstr "Questo nome utente non è disponibile"
+
+#: calsocial/forms.py:88
+msgid "This email address can not be used"
+msgstr "Questo indirizzo email non può essere usato"
+
+#: calsocial/forms.py:100
+msgid "Username"
+msgstr "Nome utente"
+
+#: calsocial/forms.py:101
+msgid "Email address"
+msgstr "Indirizzo email"
+
+#: calsocial/forms.py:102
+msgid "Password"
+msgstr "Password"
+
+#: calsocial/forms.py:103
+msgid "Password, once more"
+msgstr "Ripeti la password"
+
+#: calsocial/forms.py:112
+msgid "The two passwords must match!"
+msgstr "Le due password devono corrispondere!"
+
+#: calsocial/forms.py:219
+msgid "Title"
+msgstr "Titolo"
+
+#: calsocial/forms.py:220 calsocial/forms.py:260
+msgid "Time zone"
+msgstr "Fuso orario"
+
+#: calsocial/forms.py:221
+msgid "Start time"
+msgstr "Ora d'inizio"
+
+#: calsocial/forms.py:222
+msgid "End time"
+msgstr "Ora di fine"
+
+#: calsocial/forms.py:223
+msgid "All day"
+msgstr "Tutto il giorno"
+
+#: calsocial/forms.py:224
+msgid "Description"
+msgstr "Descrizione"
+
+#: calsocial/forms.py:225
+msgid "Visibility"
+msgstr "Visibilità"
+
+#: calsocial/forms.py:253
+msgid "End time must be later than start time!"
+msgstr ""
+
+#: calsocial/forms.py:284
+msgid "Username or email"
+msgstr "Nome utente o email"
+
+#: calsocial/forms.py:372
+msgid "User is already invited"
+msgstr "L'utente è già invitato"
+
+#: calsocial/forms.py:382 calsocial/forms.py:396
+msgid "Display name"
+msgstr "Mostra nome"
+
+#: calsocial/forms.py:385
+msgid ""
+"This will be shown to other users as your name.  You can use your real "
+"name, or any nickname you like."
+msgstr "Questo sarà mostrato agli altri utenti come tuo nome. Puoi usare il tuo vero "
+"nome, o qualsiasi altro soprannome che preferisci."
+
+#: calsocial/forms.py:387
+msgid "Your time zone"
+msgstr "Il tuo fuso orario"
+
+#: calsocial/forms.py:389
+msgid "The start and end times of events will be displayed in this time zone."
+msgstr "L'ora di inizio e di fine degli eventi sarà mostrata con questo fuso orario"
+
+#: calsocial/forms.py:397
+msgid "Use a built-in avatar"
+msgstr "Usa un avatar predefinito"
+
+#: calsocial/forms.py:398
+msgid "Lock profile"
+msgstr "Blocca profilo"
+
+#: calsocial/models.py:75
+#, python-format
+msgid "%(actor)s followed you"
+msgstr "%(actor)s ti segue"
+
+#: calsocial/models.py:75
+#, python-format
+msgid "%(actor)s followed %(item)s"
+msgstr "%(actor)s segue %(item)s"
+
+#: calsocial/models.py:76
+#, python-format
+msgid "%(actor)s invited you to %(item)s"
+msgstr "%(actor)s ti ha invitato a %(item)s"
+
+#: calsocial/models.py:121
+msgid "Visible only to attendees"
+msgstr "Visibile solo ai partecipanti"
+
+#: calsocial/models.py:122
+msgid "Visible to everyone"
+msgstr "Visibile a tutti"
+
+#: calsocial/models.py:542
+#, python-format
+msgid "%(user)s logged in"
+msgstr "%(user)s ha effettuato l'accesso"
+
+#: calsocial/models.py:543
+#, python-format
+msgid "%(user)s failed to log in"
+msgstr "%(user)s non è riuscito ad accedere"
+
+#: calsocial/models.py:544
+#, python-format
+msgid "%(user)s logged out"
+msgstr "%(user)s si è disconnesso"
+
+#: calsocial/models.py:561
+#, python-format
+msgid "UNKNOWN RECORD \"%(log_type)s\" for %(user)s"
+msgstr "RECORD SCONOSCIUTO \"%(log_type)s\" per %(user)s"
+
+#: calsocial/calendar_system/gregorian.py:31
+msgid "Gregorian"
+msgstr "Gregoriano"
+
+#: calsocial/calendar_system/gregorian.py:39
+msgid "January"
+msgstr "Gennaio"
+
+#: calsocial/calendar_system/gregorian.py:40
+msgid "February"
+msgstr "Febbraio"
+
+#: calsocial/calendar_system/gregorian.py:41
+msgid "March"
+msgstr "Marzo"
+
+#: calsocial/calendar_system/gregorian.py:42
+msgid "April"
+msgstr "Aprile"
+
+#: calsocial/calendar_system/gregorian.py:43
+msgid "May"
+msgstr "Maggio"
+
+#: calsocial/calendar_system/gregorian.py:44
+msgid "June"
+msgstr "Giugno"
+
+#: calsocial/calendar_system/gregorian.py:45
+msgid "July"
+msgstr "Luglio"
+
+#: calsocial/calendar_system/gregorian.py:46
+msgid "August"
+msgstr "Agosto"
+
+#: calsocial/calendar_system/gregorian.py:47
+msgid "September"
+msgstr "Settembre"
+
+#: calsocial/calendar_system/gregorian.py:48
+msgid "October"
+msgstr "Ottobre"
+
+#: calsocial/calendar_system/gregorian.py:49
+msgid "November"
+msgstr "Novembre"
+
+#: calsocial/calendar_system/gregorian.py:50
+msgid "December"
+msgstr "Dicembre"
+
+#: calsocial/calendar_system/gregorian.py:54
+msgid "Monday"
+msgstr "Lunedì"
+
+#: calsocial/calendar_system/gregorian.py:55
+msgid "Tuesday"
+msgstr "Martedì"
+
+#: calsocial/calendar_system/gregorian.py:56
+msgid "Wednesday"
+msgstr "Mercoledì"
+
+#: calsocial/calendar_system/gregorian.py:57
+msgid "Thursday"
+msgstr "Giovedì"
+
+#: calsocial/calendar_system/gregorian.py:58
+msgid "Friday"
+msgstr "Venerdì"
+
+#: calsocial/calendar_system/gregorian.py:59
+msgid "Saturday"
+msgstr "Sabato"
+
+#: calsocial/calendar_system/gregorian.py:60
+msgid "Sunday"
+msgstr "Domenica"
+
+#: calsocial/templates/base.html:29 calsocial/templates/login.html:9
+#: calsocial/templates/login.html:24 calsocial/templates/welcome.html:9
+#: calsocial/templates/welcome.html:16
+msgid "Login"
+msgstr "Accedi"
+
+#: calsocial/templates/base.html:32
+#, python-format
+msgid "Logged in as %(username)s"
+msgstr "Effettuato l'accesso come %(username)s"
+
+#: calsocial/templates/base.html:36
+msgid "Calendar view"
+msgstr "Vista calendario"
+
+#: calsocial/templates/base.html:37
+msgid "Notifications"
+msgstr "Notifiche"
+
+#: calsocial/templates/account/settings-base.html:8
+#: calsocial/templates/account/user-settings.html:5
+#: calsocial/templates/base.html:38
+msgid "Settings"
+msgstr "Impostazioni"
+
+#: calsocial/templates/base.html:39
+msgid "Logout"
+msgstr "Disconnettiti"
+
+#: calsocial/templates/base.html:48
+msgid "About this instance"
+msgstr "A proposito di questa istanza"
+
+#: calsocial/templates/event-details.html:5
+#, python-format
+msgid ""
+"This event is organised in the %(timezone)s time zone, in which it "
+"happens between %(start_time)s and %(end_time)s"
+msgstr ""
+"Questo evento è organizzato nel fuso orario %(timezone)s, nel quale "
+"avverrà tra le %(start_time)s e le %(end_time)s"
+
+#: calsocial/templates/event-details.html:29
+msgid "Invited users"
+msgstr "Utenti invitati"
+
+#: calsocial/templates/event-details.html:41
+#: calsocial/templates/event-details.html:47
+msgid "Invite"
+msgstr "Invita"
+
+#: calsocial/templates/account/first-steps.html:25
+#: calsocial/templates/account/profile-edit.html:20
+#: calsocial/templates/account/user-settings.html:18
+#: calsocial/templates/event-edit.html:24
+msgid "Save"
+msgstr "Salva"
+
+#: calsocial/templates/index.html:4
+#, python-format
+msgid "Welcome to Calendar.social, %(username)s!"
+msgstr "Benvenuto su Calendar.social, %(username)s!"
+
+#: calsocial/templates/index.html:10
+msgid "Add event"
+msgstr "Crea evento"
+
+#: calsocial/templates/profile-details.html:10
+#: calsocial/templates/profile-details.html:11
+msgid "locked profile"
+msgstr "profilo bloccato"
+
+#: calsocial/templates/profile-details.html:17
+msgid "Follow"
+msgstr "Segui"
+
+#: calsocial/templates/profile-details.html:21
+msgid "Follows"
+msgstr "Seguendo"
+
+#: calsocial/templates/profile-details.html:29
+msgid "Followers"
+msgstr "Seguito da"
+
+#: calsocial/templates/welcome.html:20
+msgid "Or"
+msgstr "O"
+
+#: calsocial/templates/welcome.html:22
+msgid "Register an account"
+msgstr "Registra un account"
+
+#: calsocial/templates/welcome.html:26
+msgid "What is Calendar.social?"
+msgstr "Cos'è Calendar.social"
+
+#: calsocial/templates/welcome.html:28
+msgid ""
+"Calendar.social is a calendar app based on open protocols and free, open "
+"source software."
+msgstr ""
+"Calendar.social è un'app calendario basata su protocolli aperti e software "
+"open source."
+
+#: calsocial/templates/welcome.html:29
+msgid "It is decentralised like one of its counterparts, email."
+msgstr "È decentralizzato come una delle sue controparti, l'email"
+
+#: calsocial/templates/welcome.html:33
+msgid "Go to your calendar"
+msgstr "Vai al tuo calendario"
+
+#: calsocial/templates/welcome.html:37
+msgid "Peek inside"
+msgstr "Uno sguardo all'interno"
+
+#: calsocial/templates/welcome.html:43
+msgid "Built with users in mind"
+msgstr "Creato pensando agli utenti"
+
+#: calsocial/templates/welcome.html:45
+msgid ""
+"From planning your appointments to organising large scale events "
+"Calendar.social can help with all your scheduling needs."
+msgstr ""
+"Dalla pianificazione dei tuoi appuntamenti all'organizzazione di eventi su larga scala "
+"Calendar.social ti può aiutare con tutte le tue esigenze di organizzazione."
+
+#: calsocial/templates/welcome.html:54
+msgid "user"
+msgid_plural "users"
+msgstr[0] "utente"
+msgstr[1] "utenti"
+
+#: calsocial/templates/welcome.html:60
+msgid "event"
+msgid_plural "events"
+msgstr[0] "evento"
+msgstr[1] "eventi"
+
+#: calsocial/templates/welcome.html:67
+msgid "Built for people"
+msgstr "Creato per le persone"
+
+#: calsocial/templates/welcome.html:69
+msgid "Calendar.social is not a commercial network."
+msgstr "Calendar.social non è una rete commerciale."
+
+#: calsocial/templates/welcome.html:70
+msgid "No advertising, no data mining, no walled gardens."
+msgstr "No pubblicità, no analisi dei dati, no restrizioni proprietarie"
+
+#: calsocial/templates/welcome.html:71
+msgid "There is no central authority."
+msgstr "Non esiste un'amministrazione centrale"
+
+#: calsocial/templates/welcome.html:77
+msgid "Administered by"
+msgstr "Amministrato da"
+
+#: calsocial/templates/account/active-sessions.html:4
+#: calsocial/templates/account/settings-base.html:9
+msgid "Active sessions"
+msgstr "Sessioni attive"
+
+#: calsocial/templates/account/active-sessions.html:10
+msgid "Invalidate"
+msgstr "Revoca"
+
+#: calsocial/templates/account/first-steps.html:5
+msgid "First steps"
+msgstr "Primi passi"
+
+#: calsocial/templates/account/first-steps.html:7
+msgid "Welcome to Calendar.social!"
+msgstr "Benvenuto su Calendar.social!"
+
+#: calsocial/templates/account/first-steps.html:10
+msgid ""
+"These are the first steps you should make before you can start using the "
+"site."
+msgstr ""
+"Questi sono i primi passi che dovresti fare prima di iniziare ad usare "
+"il sito."
+
+#: calsocial/templates/account/follow-requests.html:4
+msgid "Follow requests"
+msgstr "Richieste di seguirti"
+
+#: calsocial/templates/account/follow-requests.html:10
+msgid "Accept"
+msgstr "Accetta"
+
+#: calsocial/templates/account/follow-requests.html:15
+msgid "No requests to display."
+msgstr "Nessuna richiesta da mostrare."
+
+#: calsocial/templates/account/follow-requests.html:19
+msgid "Your profile is not locked."
+msgstr "Il tuo profilo non è bloccato."
+
+#: calsocial/templates/account/follow-requests.html:20
+msgid "Anyone can follow you without your consent."
+msgstr "Chiunque può seguirti senza chiederti il permesso."
+
+#: calsocial/templates/account/notifications.html:7
+msgid "Nothing to show."
+msgstr "Niente da mostrare."
+
+#: calsocial/templates/account/profile-edit.html:5
+#: calsocial/templates/account/settings-base.html:7
+msgid "Edit profile"
+msgstr "Modifica profilo"
+
+#: calsocial/templates/account/registration.html:17
+msgid "Register"
+msgstr "Registrati"
+
--- a/calsocial/translations/pl/LC_MESSAGES/messages.po
+++ b/calsocial/translations/pl/LC_MESSAGES/messages.po
@@ -0,0 +1,466 @@
+# Polish template for Calendar.social.
+# Copyright (C) 2018 Marcin Mikołajczak
+# This file is distributed under the same license as the Calendar.social project.
+# Marcin Mikołajczak <me@m4sk.in>, 2018.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: 0.1\n"
+"Report-Msgid-Bugs-To: gergely@polonkai.eu\n"
+"POT-Creation-Date: 2018-07-30 22:05+0200\n"
+"PO-Revision-Date: 2018-07-30 22:23+0200\n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.6.0\n"
+"X-Generator: Poedit 2.0.9\n"
+"Last-Translator: Marcin Mikołajczak <me@m4sk.in>\n"
+"Plural-Forms: nplurals=3; plural=(n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 "
+"|| n%100>=20) ? 1 : 2);\n"
+"Language: pl\n"
+
+#: calsocial/account.py:227
+msgid "Can’t invalidate your current session"
+msgstr "Nie udało się unieważnić obecnej sesji"
+
+#: calsocial/forms.py:57
+msgid "This username is not available"
+msgstr "Ta nazwa użytkownika nie jest dostepna"
+
+#: calsocial/forms.py:88
+msgid "This email address can not be used"
+msgstr "Nie można użyć tego adresu e-mail"
+
+#: calsocial/forms.py:100
+msgid "Username"
+msgstr "Nazwa użytkownika"
+
+#: calsocial/forms.py:101
+msgid "Email address"
+msgstr "Adres e-mail"
+
+#: calsocial/forms.py:102
+msgid "Password"
+msgstr "Hasło"
+
+#: calsocial/forms.py:103
+msgid "Password, once more"
+msgstr "Potwórz hasło"
+
+#: calsocial/forms.py:112
+msgid "The two passwords must match!"
+msgstr "Hasła muszą do siebie pasować!"
+
+#: calsocial/forms.py:219
+msgid "Title"
+msgstr "Tytuł"
+
+#: calsocial/forms.py:220 calsocial/forms.py:260
+msgid "Time zone"
+msgstr "Strefa czasowa"
+
+#: calsocial/forms.py:221
+msgid "Start time"
+msgstr "Czas rozpoczęcia"
+
+#: calsocial/forms.py:222
+msgid "End time"
+msgstr "Czas zakończenia"
+
+#: calsocial/forms.py:223
+msgid "All day"
+msgstr "Cały dzień"
+
+#: calsocial/forms.py:224
+msgid "Description"
+msgstr "Opis"
+
+#: calsocial/forms.py:225
+msgid "Visibility"
+msgstr "Widoczność"
+
+#: calsocial/forms.py:253
+msgid "End time must be later than start time!"
+msgstr "Czas zakończenia musi nastąpić po czasie rozpoczęcia!"
+
+#: calsocial/forms.py:284
+msgid "Username or email"
+msgstr "Nazwa użytkownika lub adres e-mail"
+
+#: calsocial/forms.py:372
+msgid "User is already invited"
+msgstr "Użytkownik został już zaproszony"
+
+#: calsocial/forms.py:382 calsocial/forms.py:396
+msgid "Display name"
+msgstr "Nazwa wyświetlana"
+
+#: calsocial/forms.py:385
+msgid ""
+"This will be shown to other users as your name.  You can use your real name, "
+"or any nickname you like."
+msgstr ""
+"Będzie widoczna dla innych użytkowników jako Twoja nazwa. Może to być Twoje "
+"imię i nazwisko lub dowolny pseudonim."
+
+#: calsocial/forms.py:387
+msgid "Your time zone"
+msgstr "Twoja strefa czasowa"
+
+#: calsocial/forms.py:389
+msgid "The start and end times of events will be displayed in this time zone."
+msgstr ""
+"Czas rozpoczęcia i zakończenia wydarzeń będą widoczne w tej strefie czasowej."
+
+#: calsocial/forms.py:397
+msgid "Use a built-in avatar"
+msgstr "Użyj wbudowanego awatara"
+
+#: calsocial/forms.py:398
+msgid "Lock profile"
+msgstr "Zablokuj konto"
+
+#: calsocial/models.py:75
+#, python-format
+msgid "%(actor)s followed you"
+msgstr "%(actor)s zaczął Cię śledzić"
+
+#: calsocial/models.py:75
+#, python-format
+msgid "%(actor)s followed %(item)s"
+msgstr "%(actor)s zaczął śledzić %(item)s"
+
+#: calsocial/models.py:76
+#, python-format
+msgid "%(actor)s invited you to %(item)s"
+msgstr "%(actor)s zaprosił Cię na %(item)s"
+
+#: calsocial/models.py:121
+msgid "Visible only to attendees"
+msgstr "Widoczne tylko dla uczestników"
+
+#: calsocial/models.py:122
+msgid "Visible to everyone"
+msgstr "Widoczne dla wszystkich"
+
+#: calsocial/models.py:542
+#, python-format
+msgid "%(user)s logged in"
+msgstr "%(user)s zalogował się"
+
+#: calsocial/models.py:543
+#, python-format
+msgid "%(user)s failed to log in"
+msgstr "nie udało się zalogować %(user)s"
+
+#: calsocial/models.py:544
+#, python-format
+msgid "%(user)s logged out"
+msgstr "%(user)s wylogował się"
+
+#: calsocial/models.py:561
+#, python-format
+msgid "UNKNOWN RECORD \"%(log_type)s\" for %(user)s"
+msgstr "NIEZNANY WPIS \"%(log_type)s\" dla %(user)s"
+
+#: calsocial/calendar_system/gregorian.py:31
+msgid "Gregorian"
+msgstr "Gregoriański"
+
+#: calsocial/calendar_system/gregorian.py:39
+msgid "January"
+msgstr "Styczeń"
+
+#: calsocial/calendar_system/gregorian.py:40
+msgid "February"
+msgstr "Luty"
+
+#: calsocial/calendar_system/gregorian.py:41
+msgid "March"
+msgstr "Marzec"
+
+#: calsocial/calendar_system/gregorian.py:42
+msgid "April"
+msgstr "Kwiecień"
+
+#: calsocial/calendar_system/gregorian.py:43
+msgid "May"
+msgstr "Maj"
+
+#: calsocial/calendar_system/gregorian.py:44
+msgid "June"
+msgstr "Czerwiec"
+
+#: calsocial/calendar_system/gregorian.py:45
+msgid "July"
+msgstr "Lipiec"
+
+#: calsocial/calendar_system/gregorian.py:46
+msgid "August"
+msgstr "Sierpień"
+
+#: calsocial/calendar_system/gregorian.py:47
+msgid "September"
+msgstr "Wrzesień"
+
+#: calsocial/calendar_system/gregorian.py:48
+msgid "October"
+msgstr "Październik"
+
+#: calsocial/calendar_system/gregorian.py:49
+msgid "November"
+msgstr "Listopad"
+
+#: calsocial/calendar_system/gregorian.py:50
+msgid "December"
+msgstr "Grudzień"
+
+#: calsocial/calendar_system/gregorian.py:54
+msgid "Monday"
+msgstr "Poniedziałek"
+
+#: calsocial/calendar_system/gregorian.py:55
+msgid "Tuesday"
+msgstr "Wtorek"
+
+#: calsocial/calendar_system/gregorian.py:56
+msgid "Wednesday"
+msgstr "Środa"
+
+#: calsocial/calendar_system/gregorian.py:57
+msgid "Thursday"
+msgstr "Czwartek"
+
+#: calsocial/calendar_system/gregorian.py:58
+msgid "Friday"
+msgstr "Piątek"
+
+#: calsocial/calendar_system/gregorian.py:59
+msgid "Saturday"
+msgstr "Sobota"
+
+#: calsocial/calendar_system/gregorian.py:60
+msgid "Sunday"
+msgstr "Niedziela"
+
+#: calsocial/templates/base.html:29 calsocial/templates/login.html:9
+#: calsocial/templates/login.html:24 calsocial/templates/welcome.html:9
+#: calsocial/templates/welcome.html:16
+msgid "Login"
+msgstr "Zaloguj się"
+
+#: calsocial/templates/base.html:32
+#, python-format
+msgid "Logged in as %(username)s"
+msgstr "Zalogowano jako %(username)s"
+
+#: calsocial/templates/base.html:36
+msgid "Calendar view"
+msgstr "Widok kalendarza"
+
+#: calsocial/templates/base.html:37
+msgid "Notifications"
+msgstr "Powiadomienia"
+
+#: calsocial/templates/account/settings-base.html:8
+#: calsocial/templates/account/user-settings.html:5
+#: calsocial/templates/base.html:38
+msgid "Settings"
+msgstr "Ustawienia"
+
+#: calsocial/templates/base.html:39
+msgid "Logout"
+msgstr "Wyloguj się"
+
+#: calsocial/templates/base.html:48
+msgid "About this instance"
+msgstr "O tej instancji"
+
+#: calsocial/templates/event-details.html:5
+#, python-format
+msgid ""
+"This event is organised in the %(timezone)s time zone, in which it happens "
+"between %(start_time)s and %(end_time)s"
+msgstr ""
+"To wydarzenie jest organizowane w strefie czasowej %(timezone)s, w której "
+"wydarzy się ono pomiędzy %(start_time)s a %(end_time)s"
+
+#: calsocial/templates/event-details.html:29
+msgid "Invited users"
+msgstr "Zaproszeni użytkownicy"
+
+#: calsocial/templates/event-details.html:41
+#: calsocial/templates/event-details.html:47
+msgid "Invite"
+msgstr "Zaproś"
+
+#: calsocial/templates/account/first-steps.html:25
+#: calsocial/templates/account/profile-edit.html:20
+#: calsocial/templates/account/user-settings.html:18
+#: calsocial/templates/event-edit.html:24
+msgid "Save"
+msgstr "Zapisz"
+
+#: calsocial/templates/index.html:4
+#, python-format
+msgid "Welcome to Calendar.social, %(username)s!"
+msgstr "Witaj na Calendar.social, %(username)s!"
+
+#: calsocial/templates/index.html:10
+msgid "Add event"
+msgstr "Dodaj wydarzenie"
+
+#: calsocial/templates/profile-details.html:10
+#: calsocial/templates/profile-details.html:11
+msgid "locked profile"
+msgstr "profil zablokowany"
+
+#: calsocial/templates/profile-details.html:17
+msgid "Follow"
+msgstr "Obserwuj"
+
+#: calsocial/templates/profile-details.html:21
+msgid "Follows"
+msgstr "Obserwacje"
+
+#: calsocial/templates/profile-details.html:29
+msgid "Followers"
+msgstr "Obserwujący"
+
+#: calsocial/templates/welcome.html:20
+msgid "Or"
+msgstr "Lub"
+
+#: calsocial/templates/welcome.html:22
+msgid "Register an account"
+msgstr "Zarejestruj się"
+
+#: calsocial/templates/welcome.html:26
+msgid "What is Calendar.social?"
+msgstr "Czym jest Calendar.social?"
+
+#: calsocial/templates/welcome.html:28
+msgid ""
+"Calendar.social is a calendar app based on open protocols and free, open "
+"source software."
+msgstr ""
+"Calendar.social jest aplikacją kalendarza opartą na otwartych protokołach i "
+"wolnym, otwartoźródłowym oprogramowaniu."
+
+#: calsocial/templates/welcome.html:29
+msgid "It is decentralised like one of its counterparts, email."
+msgstr ""
+"Jest zdecentralizowana tak, jak jak jeden z jej odpowiedników – e-mail."
+
+#: calsocial/templates/welcome.html:33
+msgid "Go to your calendar"
+msgstr "Przejdź do swojego kalendarza"
+
+#: calsocial/templates/welcome.html:37
+msgid "Peek inside"
+msgstr "Zajrzyj do środka"
+
+#: calsocial/templates/welcome.html:43
+msgid "Built with users in mind"
+msgstr "Stworzony z myślą o użytkownikach"
+
+#: calsocial/templates/welcome.html:45
+msgid ""
+"From planning your appointments to organising large scale events Calendar."
+"social can help with all your scheduling needs."
+msgstr ""
+"Calendar.social może pomóc w każdej potrzebie związanej z planowaniem, od "
+"planowania spotkań do organizowania wydarzeń na większą skalę."
+
+#: calsocial/templates/welcome.html:54
+msgid "user"
+msgid_plural "users"
+msgstr[0] "użytkownik"
+msgstr[1] "użytkowników"
+msgstr[2] "użytkowników"
+
+#: calsocial/templates/welcome.html:60
+msgid "event"
+msgid_plural "events"
+msgstr[0] "wydarzenia"
+msgstr[1] "wydarzenia"
+msgstr[2] "wydarzeń"
+
+#: calsocial/templates/welcome.html:67
+msgid "Built for people"
+msgstr "Zbudowany dla ludzi"
+
+#: calsocial/templates/welcome.html:69
+msgid "Calendar.social is not a commercial network."
+msgstr "Calendar.social nie jest komercyjną siecią."
+
+#: calsocial/templates/welcome.html:70
+msgid "No advertising, no data mining, no walled gardens."
+msgstr "Brak reklam, zbierania danych i ograniczeń."
+
+#: calsocial/templates/welcome.html:71
+msgid "There is no central authority."
+msgstr "Brak centralnej władzy."
+
+#: calsocial/templates/welcome.html:77
+msgid "Administered by"
+msgstr "Administrowane przez"
+
+#: calsocial/templates/account/active-sessions.html:4
+#: calsocial/templates/account/settings-base.html:9
+msgid "Active sessions"
+msgstr "Aktywne sesje"
+
+#: calsocial/templates/account/active-sessions.html:10
+msgid "Invalidate"
+msgstr "Unieważnij"
+
+#: calsocial/templates/account/first-steps.html:5
+msgid "First steps"
+msgstr "Pierwsze kroki"
+
+#: calsocial/templates/account/first-steps.html:7
+msgid "Welcome to Calendar.social!"
+msgstr "Witamy na Calendar.social!"
+
+#: calsocial/templates/account/first-steps.html:10
+msgid ""
+"These are the first steps you should make before you can start using the "
+"site."
+msgstr ""
+"Oto pierwsze kroki, które powinieneś wykonać, zanim zaczniesz używać tej "
+"strony."
+
+#: calsocial/templates/account/follow-requests.html:4
+msgid "Follow requests"
+msgstr "Prośby o możliwość obserwacji"
+
+#: calsocial/templates/account/follow-requests.html:10
+msgid "Accept"
+msgstr "Zaakceptuj"
+
+#: calsocial/templates/account/follow-requests.html:15
+msgid "No requests to display."
+msgstr "Brak próśb do wyświetlenia."
+
+#: calsocial/templates/account/follow-requests.html:19
+msgid "Your profile is not locked."
+msgstr "Twój profil nie jest zablokowany."
+
+#: calsocial/templates/account/follow-requests.html:20
+msgid "Anyone can follow you without your consent."
+msgstr "Każdy może Cię zaobserwować bez Twojego zezwolenia."
+
+#: calsocial/templates/account/notifications.html:7
+msgid "Nothing to show."
+msgstr "Nie ma nic do pokazania."
+
+#: calsocial/templates/account/profile-edit.html:5
+#: calsocial/templates/account/settings-base.html:7
+msgid "Edit profile"
+msgstr "Edytuj profil"
+
+#: calsocial/templates/account/registration.html:17
+msgid "Register"
+msgstr "Zarejestruj się"
--- a/calsocial/utils.py
+++ b/calsocial/utils.py
@@ -68,3 +68,54 @@ def force_locale(locale):
        babel.locale_selector_func = orig_locale_selector_func
        for key, value in orig_attrs.items():
            setattr(ctx, key, value)
+
+
+class RoutedMixin:
+    """Mixin to lazily register class methods as routes
+
+    Works both for `Flask` and `Blueprint` objects.
+
+    Example::
+
+    class MyBlueprint(Blueprint, RoutedMixin):
+        def __init__(self, *args, **kwargs):
+            do_whatever_you_like()
+
+            RoutedMixin.register_routes(self)
+
+        @RoutedMixin.route('/')
+        def index(self):
+            return 'Hello, World!'
+    """
+
+    def register_routes(self):
+        """Register all routes that were marked with :meth:`route`
+        """
+
+        for attr_name in self.__dir__():
+            attr = getattr(self, attr_name)
+
+            if not callable(attr):
+                continue
+
+            args, kwargs = getattr(attr, 'routing', (None, None))
+
+            if args is None:
+                continue
+
+            self.route(*args, **kwargs)(attr)
+
+    @staticmethod
+    def route(*args, **kwargs):
+        """Mark a function as a future route
+
+        Such functions will be iterated over when the application is initialised.  ``*args`` and
+        ``**kwargs`` will be passed verbatim to `Flask.route()`.
+        """
+
+        def decorator(func):  # pylint: disable=missing-docstring
+            setattr(func, 'routing', (args, kwargs))
+
+            return func
+
+        return decorator
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -0,0 +1,62 @@
+# Calendar.social
+# Copyright (C) 2018  Gergely Polonkai
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""Helper functions and fixtures for testing
+"""
+
+from contextlib import contextmanager
+
+import pytest
+
+from helpers import configure_app
+
+
+@pytest.fixture
+def client():
+    """Fixture that provides a Flask test client
+    """
+
+    from calsocial import app
+    from calsocial.models import db
+
+    configure_app()
+    client = app.test_client()
+
+    with app.app_context():
+        db.create_all()
+
+    yield client
+
+    with app.app_context():
+        db.drop_all()
+
+
+@pytest.fixture
+def database():
+    """Fixture to provide all database tables in an active application context
+    """
+
+    from calsocial import app
+    from calsocial.models import db
+
+    configure_app()
+
+    with app.app_context():
+        db.create_all()
+
+        yield db
+
+        db.drop_all()
--- a/tests/helpers.py
+++ b/tests/helpers.py
@@ -0,0 +1,60 @@
+# Calendar.social
+# Copyright (C) 2018  Gergely Polonkai
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""Helper functions for testing
+"""
+
+from contextlib import contextmanager
+
+import calsocial
+from calsocial.models import db
+
+
+def configure_app():
+    """Set default configuration values for testing
+    """
+
+    calsocial.app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///'
+    calsocial.app.config['TESTING'] = True
+    calsocial.app.config['WTF_CSRF_ENABLED'] = False
+
+
+def login(client, username, password, no_redirect=False):
+    """Login with the specified username and password
+    """
+
+    return client.post('/login',
+                       data={'email': username, 'password': password},
+                       follow_redirects=not no_redirect)
+
+
+@contextmanager
+def alter_config(app, **kwargs):
+    saved = {}
+
+    for key, value in kwargs.items():
+        if key in app.config:
+            saved[key] = app.config[key]
+
+        app.config[key] = value
+
+    yield
+
+    for key, value in kwargs.items():
+        if key in saved:
+            app.config[key] = saved[key]
+        else:
+            del app.config[key]
--- a/tests/test_app_state.py
+++ b/tests/test_app_state.py
@@ -0,0 +1,49 @@
+# Calendar.social
+# Copyright (C) 2018  Gergely Polonkai
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+def test_app_state_set(database):
+    from calsocial.models import db, AppState
+
+    AppState['test'] = 'value'
+
+    state = AppState.query \
+                    .filter(AppState.env == 'testing') \
+                    .filter(AppState.key == 'test') \
+                    .one()
+
+    assert state.value == 'value'
+
+
+def test_app_state_get(database):
+    from calsocial.models import db, AppState
+
+    state = AppState(env='testing', key='test', value='value')
+    db.session.add(state)
+    db.session.commit()
+
+    assert AppState['test'] == 'value'
+
+
+def test_app_state_setdefault(database):
+    from calsocial.models import AppState
+
+    AppState['test'] = 'value'
+    AppState.setdefault('test', 'new value')
+
+    assert AppState['test'] == 'value'
+
+    AppState.setdefault('other_test', 'value')
+    assert AppState['other_test'] == 'value'
--- a/tests/test_calsocial.py
+++ b/tests/test_calsocial.py
@@ -1,121 +1,76 @@
+# Calendar.social
+# Copyright (C) 2018  Gergely Polonkai
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""General tests for Calendar.social
+"""
+
+from flask import current_app
+
 import pytest

-import calsocial
-from calsocial.models import db, User
-
-
-@pytest.fixture
-def client():
-    calsocial.app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///'
-    calsocial.app.config['TESTING'] = True
-    calsocial.app.config['WTF_CSRF_ENABLED'] = False
-    client = calsocial.app.test_client()
-
-    with calsocial.app.app_context():
-        db.create_all()
-
-    yield client
-
-    with calsocial.app.app_context():
-        db.drop_all()
-
-
 def test_index_no_login(client):
    """Test the main page without logging in
    """

    page = client.get('/')
-    assert b'Welcome to Calendar.social' in page.data
+    assert b'Peek inside' in page.data


-def test_register_page(client):
-    """Test the registration page
+def test_instance_adin_unset(database):
+    """Test the instance admin feature if the admin is not set
    """

-    page = client.get('/register')
-    assert b'Register</button>' in page.data
+    with pytest.warns(UserWarning, match=r'Instance admin is not set correctly \(value is None\)'):
+        assert current_app.instance_admin is None

-def test_register_post_empty(client):
-    """Test sending empty registration data
+
+def test_instance_admin_bad_value(database):
+    """Test the instance admin feature if the value is invalid
    """

-    page = client.post('/register', data={})
-    assert b'This field is required' in page.data
+    from calsocial.models import AppState

-def test_register_invalid_email(client):
-    """Test sending an invalid email address
+    AppState['instance_admin'] = 'value'
+
+    with pytest.warns(UserWarning, match=r'Instance admin is not set correctly \(value is value\)'):
+        assert current_app.instance_admin is None
+
+
+def test_instance_admin_doesnot_exist(database):
+    """Test the instance admin feature if the admin user does not exist
    """

-    page = client.post('/register', data={
-        'username': 'test',
-        'email': 'test',
-        'password': 'password',
-        'password_retype': 'password',
-    })
-    assert b'Invalid email address' in page.data
+    from calsocial.models import AppState

-def test_register_password_mismatch(client):
-    """Test sending different password for registration
+    AppState['instance_admin'] = '0'
+
+    with pytest.warns(UserWarning, match=r'Instance admin is not set correctly \(value is 0\)'):
+        assert current_app.instance_admin is None
+
+
+def test_instance_admin(database):
+    """Test the instance admin feature if the admin user does not exist
    """

-    page = client.post('/register', data={
-        'username': 'test',
-        'email': 'test@example.com',
-        'password': 'password',
-        'password_retype': 'something',
-    })
-    assert b'The two passwords must match' in page.data
+    from calsocial.models import db, AppState, User

-def test_register(client):
-    """Test user registration
-    """
+    user = User(username='admin')
+    db.session.add(user)
+    db.session.commit()

-    page = client.post('/register', data={
-        'username': 'test',
-        'email': 'test@example.com',
-        'password': 'password',
-        'password_retype': 'password',
-    })
-    print(page.data)
-    assert page.status_code == 302
-    assert page.location == 'http://localhost/'
+    AppState['instance_admin'] = user.id

-    with calsocial.app.app_context():
-        user = User.query.one()
-
-    assert user.username == 'test'
-    assert user.email == 'test@example.com'
-
-def test_register_existing_username(client):
-    """Test registering an existing username
-    """
-
-    with calsocial.app.app_context():
-        user = User(username='test', email='test@example.com')
-        db.session.add(user)
-        db.session.commit()
-
-    page = client.post('/register', data={
-        'username': 'test',
-        'email': 'test2@example.com',
-        'password': 'password',
-        'password_retype': 'password',
-    })
-    assert b'This username is not available' in page.data
-
-def test_register_existing_email(client):
-    """Test registering an existing email address
-    """
-
-    with calsocial.app.app_context():
-        user = User(username='test', email='test@example.com')
-        db.session.add(user)
-        db.session.commit()
-
-    page = client.post('/register', data={
-        'username': 'tester',
-        'email': 'test@example.com',
-        'password': 'password',
-        'password_retype': 'password',
-    })
-    assert b'This email address can not be used' in page.data
+    assert current_app.instance_admin == user
--- a/tests/test_follow.py
+++ b/tests/test_follow.py
@@ -0,0 +1,117 @@
+# Calendar.social
+# Copyright (C) 2018  Gergely Polonkai
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""Profile related tests for Calendar.social
+"""
+
+import calsocial
+from calsocial.models import db, Notification, NotificationAction, Profile, User, UserFollow
+
+from helpers import login
+
+
+def test_profile_follow(database):
+    """Test the Profile.follow() method
+    """
+
+    follower_user = User(username='follower',
+                         email='follower@example.com',
+                         password='passworder',
+                         active=True)
+    followed_user = User(username='followed', email='followed@example.com')
+    follower = Profile(display_name='Follower', user=follower_user)
+    followed = Profile(display_name='Followed', user=followed_user)
+    db.session.add_all([follower, followed])
+    db.session.commit()
+
+    user_follow = followed.follow(follower=follower)
+    db.session.commit()
+
+    # The new follower record should have the fields set correctly
+    assert user_follow.followed == followed
+    assert user_follow.follower == follower
+
+    # There should be a notification about the follow
+    notification = Notification.query.one()
+
+    assert notification.actor == follower
+    assert notification.item == followed
+    assert notification.action == NotificationAction.follow
+
+    assert follower in followed.follower_list
+    assert followed in follower.followed_list
+
+
+def test_follow_ui(client):
+    """Test following on the web interface
+    """
+
+    with calsocial.app.app_context():
+        follower_user = User(username='follower',
+                             email='follower@example.com',
+                             password='passworder',
+                             active=True)
+        followed_user = User(username='followed', email='followed@example.com')
+        follower = Profile(display_name='Follower', user=follower_user)
+        followed = Profile(display_name='Followed', user=followed_user)
+        db.session.add_all([follower, followed])
+        db.session.commit()
+
+    login(client, 'follower', 'passworder')
+
+    page = client.get('/profile/@followed/follow')
+    assert page.status_code == 302
+    assert page.location == 'http://localhost/profile/%40followed'
+
+    with calsocial.app.app_context():
+        db.session.add_all([follower, followed])
+        follow = UserFollow.query.one()
+        assert follow.follower == follower
+        assert follow.followed == followed
+        assert follow.accepted_at is not None
+
+
+def test_locked_profile(database):
+    """Test following a locked profile
+    """
+
+    follower_user = User(username='follower',
+                         email='follower@example.com',
+                         password='passworder',
+                         active=True)
+    followed_user = User(username='followed', email='followed@example.com')
+    follower = Profile(display_name='Follower', user=follower_user)
+    followed = Profile(display_name='Followed', user=followed_user, locked=True)
+    db.session.add_all([follower, followed])
+    db.session.commit()
+
+    user_follow = followed.follow(follower=follower)
+    db.session.commit()
+
+    # The new follower record should have the fields set correctly
+    assert user_follow.followed == followed
+    assert user_follow.follower == follower
+    assert not user_follow.accepted_at
+
+    # There should be a notification about the follow
+    notification = Notification.query.one()
+
+    assert notification.actor == follower
+    assert notification.item == followed
+    assert notification.action == NotificationAction.follow
+
+    assert follower not in followed.follower_list
+    assert followed not in follower.followed_list
--- a/tests/test_gregorian.py
+++ b/tests/test_gregorian.py
@@ -0,0 +1,92 @@
+from datetime import datetime, date
+
+from pytz import utc
+
+from calsocial.calendar_system.gregorian import GregorianCalendar
+
+
+def test_day_list():
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 1, 1, 0, 0, 0)).timestamp())
+    assert calendar.days[0].date() == date(2018, 1, 1)
+    assert calendar.days[-1].date() == date(2018, 2, 4)
+
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 12, 1, 0, 0, 0)).timestamp())
+    assert calendar.days[0].date() == date(2018, 11, 26)
+    assert calendar.days[-1].date() == date(2019, 1, 6)
+
+
+def test_prev_year():
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 1, 1, 0, 0, 0)).timestamp())
+    assert calendar.prev_year == datetime(2017, 1, 1, 0, 0, 0)
+
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 12, 1, 0, 0, 0)).timestamp())
+    assert calendar.prev_year == datetime(2017, 12, 1, 0, 0, 0)
+
+
+def test_prev_year_year():
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 1, 1, 0, 0, 0)).timestamp())
+    assert calendar.prev_year_year == 2017
+
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 12, 1, 0, 0, 0)).timestamp())
+    assert calendar.prev_year_year == 2017
+
+
+def test_prev_month():
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 1, 1, 0, 0, 0)).timestamp())
+    assert calendar.prev_month == datetime(2017, 12, 1, 0, 0, 0)
+
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 12, 1, 0, 0, 0)).timestamp())
+    assert calendar.prev_month == datetime(2018, 11, 1, 0, 0, 0)
+
+
+def test_prev_month_name():
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 1, 1, 0, 0, 0)).timestamp())
+    assert calendar.prev_month_name == 'December'
+
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 12, 1, 0, 0, 0)).timestamp())
+    assert calendar.prev_month_name == 'November'
+
+
+def test_next_year():
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 1, 1, 0, 0, 0)).timestamp())
+    assert calendar.next_year == datetime(2019, 1, 1, 0, 0, 0)
+
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 12, 1, 0, 0, 0)).timestamp())
+    assert calendar.next_year == datetime(2019, 12, 1, 0, 0, 0)
+
+
+def test_next_year_year():
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 1, 1, 0, 0, 0)).timestamp())
+    assert calendar.next_year_year == 2019
+
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 12, 1, 0, 0, 0)).timestamp())
+    assert calendar.next_year_year == 2019
+
+
+def test_next_month():
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 1, 1, 0, 0, 0)).timestamp())
+    assert calendar.next_month == datetime(2018, 2, 1, 0, 0, 0)
+
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 12, 1, 0, 0, 0)).timestamp())
+    assert calendar.next_month == datetime(2019, 1, 1, 0, 0, 0)
+
+
+def test_next_month_name():
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 1, 1, 0, 0, 0)).timestamp())
+    assert calendar.next_month_name == 'February'
+
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 12, 1, 0, 0, 0)).timestamp())
+    assert calendar.next_month_name == 'January'
+
+
+def test_has_today():
+    calendar = GregorianCalendar(utc.localize(datetime(1990, 12, 1, 0, 0, 0)).timestamp())
+    assert calendar.has_today is False
+
+    calendar = GregorianCalendar(utc.localize(datetime.utcnow()).timestamp())
+    assert calendar.has_today is True
+
+
+def test_current_month():
+    calendar = GregorianCalendar(utc.localize(datetime(2018, 1, 1, 0, 0, 0)).timestamp())
+    assert calendar.month == 'January, 2018'
--- a/tests/test_login.py
+++ b/tests/test_login.py
@@ -0,0 +1,76 @@
+# Calendar.social
+# Copyright (C) 2018  Gergely Polonkai
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""General tests for Calendar.social
+"""
+
+import calsocial
+from calsocial.models import db, User
+
+from helpers import login
+
+
+def test_login_invalid_user(client):
+    """Test logging in with a non-existing user
+    """
+
+    page = login(client, 'username', 'password')
+    assert b'Specified user does not exist' in page.data
+
+
+def test_login_bad_password(client):
+    """Test logging in with a bad password
+    """
+
+    with calsocial.app.app_context():
+        user = User(username='test', email='test@example.com', password='password')
+        db.session.add(user)
+        db.session.commit()
+
+    page = login(client, 'test', password='else')
+    assert b'Invalid password' in page.data
+
+
+def test_login_email(client):
+    """Test logging in with the email address instead of the username
+    """
+
+    with calsocial.app.app_context():
+        user = User(username='test', email='test@example.com', password='password', active=True)
+        db.session.add(user)
+        db.session.commit()
+
+    page = login(client, 'test@example.com', password='password')
+    assert b'Logged in as ' in page.data
+
+
+def test_login_first_steps(client):
+    """Test logging in with a new user
+
+    They must be redirected to the first login page
+    """
+
+    with calsocial.app.app_context():
+        user = User(username='test', email='test@example.com', password='password', active=True)
+        db.session.add(user)
+        db.session.commit()
+
+    page = login(client, 'test', password='password', no_redirect=True)
+    # First, we must be redirected to the main page
+    assert page.location == 'http://localhost/'
+
+    page = client.get('/')
+    assert page.location == 'http://localhost/accounts/first-steps'
--- a/tests/test_register.py
+++ b/tests/test_register.py
@@ -0,0 +1,121 @@
+# Calendar.social
+# Copyright (C) 2018  Gergely Polonkai
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""General tests for Calendar.social
+"""
+
+import calsocial
+from calsocial.models import db, User
+
+from helpers import alter_config
+
+
+def test_register_page(client):
+    """Test the registration page
+    """
+
+    page = client.get('/accounts/register')
+    assert b'Register</button>' in page.data
+
+def test_register_post_empty(client):
+    """Test sending empty registration data
+    """
+
+    page = client.post('/accounts/register', data={})
+    assert b'This field is required' in page.data
+
+def test_register_invalid_email(client):
+    """Test sending an invalid email address
+    """
+
+    page = client.post('/accounts/register', data={
+        'username': 'test',
+        'email': 'test',
+        'password': 'password',
+        'password_retype': 'password',
+    })
+    assert b'Invalid email address' in page.data
+
+def test_register_password_mismatch(client):
+    """Test sending different password for registration
+    """
+
+    page = client.post('/accounts/register', data={
+        'username': 'test',
+        'email': 'test@example.com',
+        'password': 'password',
+        'password_retype': 'something',
+    })
+    assert b'The two passwords must match' in page.data
+
+def test_register(client):
+    """Test user registration
+    """
+
+    page = client.post('/accounts/register', data={
+        'username': 'test',
+        'email': 'test@example.com',
+        'password': 'password',
+        'password_retype': 'password',
+    })
+    assert page.status_code == 302
+    assert page.location == 'http://localhost/'
+
+    with calsocial.app.app_context():
+        user = User.query.one()
+
+    assert user.username == 'test'
+    assert user.email == 'test@example.com'
+
+def test_register_existing_username(client):
+    """Test registering an existing username
+    """
+
+    with calsocial.app.app_context():
+        user = User(username='test', email='test@example.com')
+        db.session.add(user)
+        db.session.commit()
+
+    page = client.post('/accounts/register', data={
+        'username': 'test',
+        'email': 'test2@example.com',
+        'password': 'password',
+        'password_retype': 'password',
+    })
+    assert b'This username is not available' in page.data
+
+def test_register_existing_email(client):
+    """Test registering an existing email address
+    """
+
+    with calsocial.app.app_context():
+        user = User(username='test', email='test@example.com')
+        db.session.add(user)
+        db.session.commit()
+
+    page = client.post('/accounts/register', data={
+        'username': 'tester',
+        'email': 'test@example.com',
+        'password': 'password',
+        'password_retype': 'password',
+    })
+    assert b'This email address can not be used' in page.data
+
+
+def test_registration_disabled(client):
+    with alter_config(calsocial.app, REGISTRATION_ENABLED=False):
+        page = client.get('/accounts/register')
+        assert b'Registration is disabled' in page.data
Author	SHA1	Message	Date
Gergely Polonkai	342d966f4b	WIP: Updates for the Gregorian calendar module	2022-10-10 11:47:47 +00:00
Gergely Polonkai	bc09d12d8b	Add Polish as a supported language	2022-10-10 11:47:47 +00:00
silkevicious	7e7bb184ad	Carica file su 'calsocial/translations/it/LC_MESSAGES' Added Italian Translation	2018-09-14 14:48:27 +00:00
Marcin Mikołajczak	d635377d12	i18n: Add Polish translation Signed-off-by: Marcin Mikołajczak <me@m4sk.in>	2018-07-30 22:28:26 +02:00
Gergely Polonkai	eaf71d4ce6	Add an empty profile for anonymous users It evaluates to `None`, but at least it doesn’t raise an `AttributeError` now.	2018-07-26 21:50:12 +02:00
Gergely Polonkai	7cd2156cfc	PyLint happiness (again)	2018-07-25 21:19:35 +02:00
Gergely Polonkai	b9c037f914	Display the instance admin on the welcome page	2018-07-25 21:07:47 +02:00
Gergely Polonkai	029d29ffb1	Make it possible to set the instance admin	2018-07-25 21:03:34 +02:00
Gergely Polonkai	4b1fff6544	Add the AppState model This allows setting application state during run time	2018-07-25 20:27:13 +02:00
Gergely Polonkai	490474b2d6	Create a testing configuration From now on, testing should be done with FLASK_ENV set to testing	2018-07-25 20:26:40 +02:00
Gergely Polonkai	bc67e692e0	[Refactor] Move test fixtures to conftest.py …so they get automatically loaded	2018-07-25 20:25:12 +02:00
Gergely Polonkai	1e1e085ba4	[Bugfix] Use FLASK_ENV for the config filename instead of ENV	2018-07-25 20:25:12 +02:00
Gergely Polonkai	5996ae7079	Create a macro for profile links and use it on the welcome and profile display pages	2018-07-25 08:36:03 +02:00
Gergely Polonkai	3e5d8ee4d5	Make it possible to set one’s avatar Only built-in avatars are supported yet.	2018-07-25 08:36:03 +02:00
Gergely Polonkai	c0c38ccb52	Make it possible to use builtin avatars Images are from openclipart.org	2018-07-25 08:24:10 +02:00
Gergely Polonkai	c40e776036	Fully cover the Gregorian Calendar with tests Being one of the cornerstones right now, it deserves a lot of tests	2018-07-24 08:28:04 +02:00
Gergely Polonkai	3deaa39256	[Test] Add test for disabled registration	2018-07-23 13:22:50 +02:00
Gergely Polonkai	c20b302458	Add the alter_config context manager for testing It can temporarily change an app configuration value.	2018-07-23 13:22:50 +02:00
Gergely Polonkai	6f186c3a3f	Add coverage related files to .gitignore	2018-07-23 13:22:50 +02:00
Gergely Polonkai	a97d884f42	Add pytest-cov as a developer dependency	2018-07-23 13:04:04 +02:00
Gergely Polonkai	11bd30e01f	[Bugfix] Fix broken tests	2018-07-23 13:04:04 +02:00
Gergely Polonkai	4c3ec0564f	[Bugfix] Fix registration Allow POSTing to the registration endpoint	2018-07-23 13:04:04 +02:00
Gergely Polonkai	f8e3c748c0	[Bugfix] Fix jumping to first steps page upon initial login This was missing from when the first steps view got moved to the accounts blueprint.	2018-07-23 13:04:04 +02:00
Gergely Polonkai	9e7ea29f5e	[Lint] Make PyLint happy again	2018-07-23 12:35:57 +02:00
Gergely Polonkai	4935e6394b	[Development] Ignore the .env file It is used by pipenv, and we definitely don’t want to accidentally commit this to the repo.	2018-07-23 11:53:56 +02:00
Gergely Polonkai	2c01939ef5	[Docs] Add docstring to User.active_sessions	2018-07-23 11:53:56 +02:00
Gergely Polonkai	e45726fd7c	[Refactor] Make the session list a list comprehension in account.py	2018-07-23 11:53:56 +02:00
Gergely Polonkai	26d58daac4	[Code Cleanup] Wrap a long line in accounts.py	2018-07-23 11:53:56 +02:00
Gergely Polonkai	387b7d83ac	[Bugfix] Fix the environment name for dev mode It turns out Flask only considers `development` as the development mode; `dev` (used before) is not working.	2018-07-23 11:53:56 +02:00
Gergely Polonkai	9b27491652	[Bugfix] Import gettext in account.py	2018-07-23 11:53:43 +02:00
Gergely Polonkai	6078e6171f	[Bugfix] Rework month padding and event fetching routines Month padding (ie. adding the days of previous/next months) is now working as expected. Fetching multi-day events now also displays events correctly.	2018-07-23 08:00:06 +02:00
Gergely Polonkai	8eb52ff7f4	Hide time values for all-day events	2018-07-21 06:50:17 +02:00
Gergely Polonkai	cb9a62cd88	Make it possible to list and invalidate active sessions	2018-07-19 15:15:49 +02:00
Gergely Polonkai	8d71edae5e	Save sessions in the cache	2018-07-19 15:15:49 +02:00
Gergely Polonkai	6c98c9d7ca	Add caching functionality via Flask-Caching	2018-07-19 15:15:49 +02:00
Gergely Polonkai	bcb7b524f3	Move account related views to a separate blueprint	2018-07-19 15:15:49 +02:00
Gergely Polonkai	8d45611e35	Create the RoutedMixin class It will be used both in the app, and later blueprint classes.	2018-07-17 15:00:56 +02:00
Gergely Polonkai	89dc258a5b	[Bugfix] Fix the link of the “Go to your calendar” button on the about page	2018-07-17 12:39:09 +02:00
Gergely Polonkai	c90b261de3	[Refactor] Refactor the about page This makes it available to logged in users, too.	2018-07-17 10:06:46 +02:00
Gergely Polonkai	372a1f756a	Update the welcome page with actual numbers	2018-07-17 09:52:50 +02:00
Gergely Polonkai	43a90a237f	Document the EnumField form field type	2018-07-16 13:34:05 +02:00
Gergely Polonkai	a763662cd6	Make sure the EnumField gets an Enum subclass as its parameter	2018-07-16 13:34:05 +02:00
Gergely Polonkai	41b4b9d7ea	Fix the label of the EnumField field type If there are no translations provided, use the enum name	2018-07-16 13:34:05 +02:00
Gergely Polonkai	64c72b1a68	Make PyLint happy	2018-07-16 13:34:05 +02:00
Gergely Polonkai	d36817ca44	Make the time zone on the event creation form default to the user’s time zone	2018-07-16 12:37:32 +02:00
Gergely Polonkai	a862e6ca5d	Add the Event.visibility field This shows if the event is visible to anyone or just people who are invited. The calendar view already respects this flag.	2018-07-16 12:12:35 +02:00
Gergely Polonkai	f2f7ef72dd	Update Hungarian translations	2018-07-16 11:12:56 +02:00
Gergely Polonkai	808c6bbdde	Update translatable strings Stop using the `_()` function, and use `{% trans %}` tags instead.	2018-07-16 11:09:09 +02:00
Gergely Polonkai	496b638694	[Bugfix] Add a missing closing tag to event-details.html	2018-07-16 10:42:10 +02:00
Gergely Polonkai	ff304dc64d	Create the contents of the welcome page	2018-07-15 07:31:49 +02:00
Gergely Polonkai	13e55e7c68	[Cleanup] Style fix in style.css	2018-07-15 07:18:50 +02:00
Gergely Polonkai	b54674c703	Semantic UI version	2018-07-13 16:03:33 +02:00
Gergely Polonkai	b82cacc665	Make locked profiles display a lock icon instead of the text “locked” This involves adding [ForkAwesome](https://forkawesome.github.io/) to the dependencies, even though it is pulled in via a CDN.	2018-07-13 15:33:08 +02:00
Gergely Polonkai	d06cfaa02e	Add a field macro to the event creation form	2018-07-13 15:33:06 +02:00
Gergely Polonkai	a133218906	Add necessary META tags Charset and viewport	2018-07-13 09:34:56 +02:00
Gergely Polonkai	0714474dc6	Move site CSS to a separate file	2018-07-13 08:58:12 +02:00
Gergely Polonkai	3308be40ee	Display the locked status of profiles on the profile details page	2018-07-12 12:18:51 +02:00
Gergely Polonkai	9b01431641	Make it possible for users to lock their profiles on the profile editing page	2018-07-12 12:17:18 +02:00
Gergely Polonkai	2b1378310a	[Bugfix] Make the profile editing form redirect to the profile editing form after saving As funny as it says, this provides better UX (and the same technique is used on the other forms.	2018-07-12 12:16:22 +02:00
Gergely Polonkai	5639c3f578	Make it possible to accept follow requests	2018-07-12 12:10:53 +02:00
Gergely Polonkai	61f10f951c	Make it possible to lock profiles Locked profiles cannot be followed	2018-07-12 12:10:53 +02:00
Gergely Polonkai	496b5b6c04	[Refactor] Move notification creation to the Profile model	2018-07-12 12:00:36 +02:00
Gergely Polonkai	dc0b2954c1	[Refactor] Move invitation code to the Event model	2018-07-12 11:08:13 +02:00
Gergely Polonkai	36c2f0fd77	Add test for following a user through the web UI	2018-07-12 10:34:59 +02:00
Gergely Polonkai	27c78ff36f	Create the Profile.follow() method	2018-07-12 10:34:59 +02:00
Gergely Polonkai	37e08fed22	Add tests for logging in	2018-07-12 10:34:57 +02:00
Gergely Polonkai	a0fba3f2af	Move registration related tests to a separate file	2018-07-12 10:32:16 +02:00
Gergely Polonkai	48a19a2296	Update tests Move the `client` fixture to the helpers module, as it will be used by many other test cases. Add the AGPL header to the test files.	2018-07-12 10:28:59 +02:00
Gergely Polonkai	5d886a7853	[Bugfix] Fix the FQN of invalid remote profiles (ie. no domain set)	2018-07-12 10:17:56 +02:00
Gergely Polonkai	5550e5ecf3	Make PyLint happy again	2018-07-12 10:16:04 +02:00
Gergely Polonkai	0a3cfafef3	Fix .gitignore rule for .mo files	2018-07-12 09:13:24 +02:00
Gergely Polonkai	8e3bcd8ede	Create a view that can list all events	2018-07-11 12:57:32 +02:00
Gergely Polonkai	48ffb0d472	[Refactor] Refactor the month view template so it can display all events …not just the events of the current user.	2018-07-11 12:57:32 +02:00
Gergely Polonkai	c3348d3212	Make it possible to edit one’s profile …even though it’s only one field yet.	2018-07-11 12:57:32 +02:00
Gergely Polonkai	1a69928241	[Refactor] Create a base settings page This will make it easier to add new settings pages for e.g. privacy settings, applications, etc. later.	2018-07-11 12:57:32 +02:00
Gergely Polonkai	7b935afdad	[Bugfix] Fix the event creating code It tried to associate the event with a user instead of a profile. It is a regression introduced by #41	2018-07-11 12:57:32 +02:00
Gergely Polonkai	303dd3d082	[Bugfix] Fix the display name on the profile pages	2018-07-11 09:35:32 +02:00