WIP: Groups support

It evaluates to `None`, but at least it doesn’t raise an `AttributeError` now.

.env.testing

@@ -0,0 +1 @@
+FLASK_ENV=testing

calsocial/__init__.py

@@ -19,14 +19,17 @@
 
 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.group import GroupBlueprint
 from calsocial.utils import RoutedMixin
 
 
@@ -72,12 +75,22 @@ class CalendarSocialApp(Flask, RoutedMixin):
 
         self._timezone = None
 
-        config_name = os.environ.get('ENV', config or 'development')
+        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)
@@ -97,6 +110,7 @@ class CalendarSocialApp(Flask, RoutedMixin):
         RoutedMixin.register_routes(self)
 
         AccountBlueprint().init_app(self, '/accounts/')
+        GroupBlueprint().init_app(self, '/groups/')
 
         self.before_request(self.goto_first_steps)
 
@@ -117,9 +131,6 @@ class CalendarSocialApp(Flask, RoutedMixin):
         """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
 
@@ -138,6 +149,32 @@ class CalendarSocialApp(Flask, RoutedMixin):
 
         return self._timezone
 
+    @property
+    def instance_admin(self):
+        """The admin user of this instance
+        """
+
+        from calsocial.models import AppState, User
+
+        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
@@ -166,13 +203,16 @@ class CalendarSocialApp(Flask, RoutedMixin):
 
         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
 
         return render_template('welcome.html',
                                calendar=calendar,
                                user_only=False,
                                login_form=login_form,
                                user_count=user_count,
-                               event_count=event_count)
+                               event_count=event_count,
+                               admin_profile=admin_profile)
 
     @RoutedMixin.route('/')
     def hello(self):

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})

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
     """
@@ -104,7 +92,6 @@ class GregorianCalendar(CalendarSystem):
         return day_list
 
     @property
-    @to_timestamp
     def prev_year(self):
         """Returns the timestamp of the same date in the previous year
         """
@@ -119,7 +106,6 @@ class GregorianCalendar(CalendarSystem):
         return self.timestamp.replace(year=self.timestamp.year - 1).year
 
     @property
-    @to_timestamp
     def prev_month(self):
         """Returns the timestamp of the same day in the previous month
         """
@@ -142,7 +128,6 @@ class GregorianCalendar(CalendarSystem):
         return self.month_names[timestamp.month - 1]
 
     @property
-    @to_timestamp
     def next_month(self):
         """Returns the timestamp of the same day in the next month
         """
@@ -165,7 +150,6 @@ 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
         """
@@ -198,7 +182,7 @@ 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):

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'

calsocial/forms.py

@@ -23,15 +23,16 @@ 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
+from calsocial.models import EventVisibility, EVENT_VISIBILITY_TRANSLATIONS, GroupVisibility, \
+    GROUP_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
     """
 
@@ -62,7 +63,7 @@ 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
     """
 
@@ -394,11 +395,60 @@ class ProfileForm(FlaskForm):
     """
 
     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):
-        kwargs.update({'display_name': profile.display_name})
-        kwargs.update({'locked': profile.locked})
+        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
+
+
+class HandleAvailable:  # pylint: disable=too-few-public-methods
+    """Checks if a group handle is available
+    """
+
+    def __init__(self, message=None):
+        self.message = message
+
+    def __call__(self, form, field):
+        from sqlalchemy.orm.exc import NoResultFound
+
+        from calsocial.models import Group
+
+        # If there is no data, we don’t raise an error; it’s not the task of this validator to
+        # check the validity of the username
+        if not field.data:
+            return
+
+        try:
+            Group.query.filter(Group.handle == field.data).one()
+        except NoResultFound:
+            return
+
+        if self.message is None:
+            message = field.gettext('This group handle is not available')
+        else:
+            message = self.message
+
+        field.errors[:] = []
+        raise StopValidation(message)
+
+
+class GroupForm(FlaskForm):
+    """Form for editing a group
+    """
+
+    handle = StringField(label=_('Handle'), validators=[DataRequired(), HandleAvailable()])
+    display_name = StringField(label=_('Display name'))
+    visibility = EnumField(GroupVisibility, GROUP_VISIBILITY_TRANSLATIONS, label=_('Visibility'))

calsocial/group.py

@@ -0,0 +1,100 @@
+# 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/>.
+
+"""Group related endpoints for Calendar.social
+"""
+
+from flask import Blueprint, abort, redirect, render_template, url_for
+from flask_security import current_user, login_required
+
+from calsocial.utils import RoutedMixin
+
+
+class GroupBlueprint(Blueprint, RoutedMixin):
+    def __init__(self):
+        Blueprint.__init__(self, 'group', __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('/')
+    def list_groups():
+        """View to list all public groups known by this instance
+        """
+
+        from calsocial.models import db, Group, GroupMembership, GroupVisibility
+
+        groups = Group.query
+
+        if current_user.is_authenticated:
+            groups = groups.outerjoin(GroupMembership) \
+                           .filter(db.or_(Group.visibility == GroupVisibility.public,
+                                          GroupMembership.profile == current_user.profile))
+        else:
+            groups = groups.filter(Group.visibility == GroupVisibility.public)
+
+        return render_template('group/list.html', groups=groups)
+
+    @staticmethod
+    @login_required
+    @RoutedMixin.route('/create', methods=['GET', 'POST'])
+    def create():
+        from datetime import datetime
+
+        from .forms import GroupForm
+        from .models import db, Group, GroupMemberLevel, GroupMembership
+
+        form = GroupForm()
+
+        if form.validate_on_submit():
+            group = Group(created_by=current_user.profile)
+            form.populate_obj(group)
+            db.session.add(group)
+
+            member = GroupMembership(group=group,
+                                     profile=current_user.profile,
+                                     level=GroupMemberLevel.admin,
+                                     accepted_at=datetime.utcnow(),
+                                     accepted_by=current_user.profile)
+            db.session.add(member)
+
+            db.session.commit()
+
+            return redirect(url_for('group.list'))
+
+        return render_template('group/create.html', form=form)
+
+    @staticmethod
+    @RoutedMixin.route('/<fqn>')
+    def display(fqn):
+        from .models import Group
+
+        group = Group.get_by_fqn(fqn)
+
+        if not group.visible_to(current_user.profile):
+            abort(404)
+
+        return render_template('group/display.html', group=group)

calsocial/models.py

@@ -21,12 +21,14 @@ 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
 
@@ -99,7 +101,7 @@ 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)
 
@@ -121,6 +123,64 @@ EVENT_VISIBILITY_TRANSLATIONS = {
 }
 
 
+class GroupVisibility(Enum):
+    """Enumeration for group visibility
+    """
+
+    #: The group is secret, ie. completely unlisted
+    secret = 0
+
+    #: The group is closed, ie. it can be joined only with an invitation, but otherwise public
+    closed = 1
+
+    #: The group is public
+    public = 2
+
+    def __hash__(self):
+        return Enum.__hash__(self)
+
+    def __eq__(self, other):
+        if isinstance(other, str):
+            return self.name.lower() == other.lower()  # pylint: disable=no-member
+
+        if isinstance(other, (int, float)):
+            return self.value == other  # pylint: disable=comparison-with-callable
+
+        return Enum.__eq__(self, other)
+
+
+GROUP_VISIBILITY_TRANSLATIONS = {
+    GroupVisibility.secret: _('Secret'),
+    GroupVisibility.closed: _('Closed'),
+    GroupVisibility.public: _('Public'),
+}
+
+
+class GroupMemberLevel(Enum):
+    """Enumeration for group membership level
+    """
+
+    #: The member is a spectator only (ie. read only)
+    spectator = 0
+
+    #: The member is a user with all privileges
+    user = 1
+
+    #: The member is a moderator
+    moderator = 2
+
+    #: The member is an administrator
+    admin = 3
+
+
+GROUP_MEMBER_LEVEL_TRANSLATIONS = {
+    GroupMemberLevel.spectator: _('Spectator'),
+    GroupMemberLevel.user: _('User'),
+    GroupMemberLevel.moderator: _('Moderator'),
+    GroupMemberLevel.admin: _('Administrator'),
+}
+
+
 class SettingsProxy:
     """Proxy object to get settings for a user
     """
@@ -206,7 +266,6 @@ 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
 
@@ -285,6 +344,9 @@ class Profile(db.Model):  # pylint: disable=too-few-public-methods
     #: 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
@@ -786,3 +848,211 @@ 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}"'
+
+
+class Group(db.Model):
+    """Database model for groups
+    """
+
+    __tablename__ = 'groups'
+    __table_args__ = (
+        db.UniqueConstraint('handle', 'domain'),
+    )
+
+    id = db.Column(db.Integer(), primary_key=True)
+
+    handle = db.Column(db.String(length=50), nullable=False)
+
+    domain = db.Column(db.String(length=100), nullable=True)
+
+    display_name = db.Column(db.Unicode(length=100), nullable=True)
+
+    created_at = db.Column(db.DateTime(), default=datetime.utcnow)
+
+    created_by_id = db.Column(db.Integer(), db.ForeignKey('profiles.id'), nullable=False)
+
+    created_by = db.relationship('Profile')
+
+    default_level = db.Column(db.Enum(GroupMemberLevel))
+
+    visibility = db.Column(db.Enum(GroupVisibility), nullable=False)
+
+    @property
+    def members(self):
+        return Profile.query.join(GroupMembership, GroupMembership.profile_id == Profile.id).filter(GroupMembership.group == self)
+
+    @property
+    def fqn(self):
+        """The fully qualified name of the group
+
+        For local profiles, this is in the form ``!username``; for remote users, it’s in the form
+        ``!handle@domain``.
+        """
+
+        if not self.domain:
+            return f'!{self.handle}'
+
+        return f'!{self.handle}@{self.domain}'
+
+    @property
+    def url(self):
+        """Get the URL for this group
+        """
+
+        from flask import url_for
+
+        return url_for('group.display', fqn=self.fqn)
+
+    def __repr__(self):
+        return f'<Group {self.id}: !{self.handle}@{self.domain}>'
+
+    def __str__(self):
+        return self.fqn
+
+    @classmethod
+    def get_by_fqn(cls, fqn):
+        import re
+
+        match = re.match(r'^!([a-z0-9_]+)(@.*)?', fqn)
+
+        if not match:
+            raise ValueError(f'Invalid Group FQN {fqn}')
+
+        handle, domain = match.groups()
+
+        return Group.query.filter(Group.handle == handle).filter(Group.domain == domain).one()
+
+    def visible_to(self, profile):
+        """Checks whether this group is visible to ``profile``
+
+        It is so if the group is public or closed or, given it is secret, ``profile`` is a member
+        of the group.
+
+        :param profile: a :class:`Profile` object, or ``None`` to check for anonymous access
+        :type profile: Profile
+        :returns: ``True`` if the group is visible, ``False`` otherwise
+        :rtype: bool
+        """
+
+        if self.visibility == GroupVisibility.secret:
+            try:
+                GroupMembership.query \
+                               .filter(GroupMembership.group == self) \
+                               .filter(GroupMembership.profile == profile) \
+                               .one()
+            except NoResultFound:
+                return False
+
+        return True
+
+    def details_visible_to(self, profile):
+        """Checks whether the details of this group is visible to ``profile``
+
+        Details include member list and events shared with this group.
+
+        It is so if the group is public or ``profile`` is a member of the group.
+
+        :param profile: a :class:`Profile` object, or ``None`` to check for anonymous access
+        :type profile: Profile
+        :returns: ``True`` if the group is visible, ``False`` otherwise
+        :rtype: bool
+        """
+
+        if self.visibility != GroupVisibility.public:
+            try:
+                GroupMembership.query \
+                               .filter(GroupMembership.group == self) \
+                               .filter(GroupMembership.profile == profile) \
+                               .one()
+            except NoResultFound:
+                return False
+
+        return True
+
+
+class GroupMembership(db.Model):
+    """Database model for group membership
+    """
+
+    __tablename__ = 'group_members'
+
+    group_id = db.Column(db.Integer(), db.ForeignKey('groups.id'), primary_key=True)
+
+    group = db.relationship('Group')
+
+    profile_id = db.Column(db.Integer(), db.ForeignKey('profiles.id'), primary_key=True)
+
+    profile = db.relationship('Profile', foreign_keys=[profile_id])
+
+    level = db.Column(db.Enum(GroupMemberLevel), nullable=False)
+
+    requested_at = db.Column(db.DateTime(), default=datetime.utcnow, nullable=False)
+
+    joined_at = db.Column(db.DateTime(), nullable=True)
+
+    accepted_at = db.Column(db.DateTime(), nullable=True)
+
+    accepted_by_id = db.Column(db.Integer(), db.ForeignKey('profiles.id'), nullable=True)
+
+    accepted_by = db.relationship('Profile', foreign_keys=[accepted_by_id])

calsocial/security.py

@@ -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

calsocial/static/avatars/doctor.svg

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calsocial/static/avatars/statistician.svg

@@ -0,0 +1,39 @@
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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">
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+<g id="g32" transform="matrix(28.594 0 0 28.594 -2.557e5 -2.4244e5)">
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+	</g>
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+</g>
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calsocial/static/avatars/whoami.svg

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+<?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)  -->
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+			</g>
+		</g>
+	</g>
+<g id="OUTLAND" style="display:none" transform="translate(44.606 -3424.8)" display="none">
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+</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>

calsocial/templates/_macros.html

@@ -18,3 +18,13 @@
     {% 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 %}

calsocial/templates/account/profile-edit.html

@@ -13,6 +13,7 @@
     <br>
     {% endif %}
 
+    {{ field(form.builtin_avatar) }}
     {{ field(form.display_name) }}
     {{ field(form.locked, inline=true) }}
 

calsocial/templates/base.html

@@ -34,6 +34,7 @@
     {%- endtrans %}
                     </div>
                     <a class="item" href="{{ url_for('hello') }}">{% trans %}Calendar view{% endtrans %}</a>
+                    <a class="item" href="{{ url_for('group.list_groups') }}">{% trans %}Groups{% 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>

calsocial/templates/group/create.html

@@ -0,0 +1,17 @@
+{% extends 'base.html' %}
+{% from '_macros.html' import field %}
+
+{% block content %}
+<h2>{% trans %}Create a group{% endtrans %}</h2>
+
+<form method="post" class="ui form">
+    {{ form.hidden_tag() }}
+
+    {{ field(form.handle) }}
+    {{ field(form.display_name) }}
+    {{ field(form.visibility) }}
+
+    <button class="ui primary button">{% trans %}Create{% endtrans %}</button>
+    <a href="{{ url_for('group.list_groups') }}" class="ui button">{% trans %}Cancel{% endtrans %}</a>
+</form>
+{% endblock content %}

calsocial/templates/group/display.html

@@ -0,0 +1,33 @@
+{% extends 'base.html' %}
+{% from '_macros.html' import profile_link %}
+
+{% block content %}
+<h2 class="ui header">
+    {% if group.visibility == 'secret' %}
+    [secret]
+    {% elif group.visibility == 'closed' %}
+    [closed]
+    {% elif group.visibility == 'public' %}
+    [public]
+    {% endif %}
+    {{group.display_name }}
+    <small>{{ group.fqn }}</small>
+</h2>
+    {% if not current_user.profile or not current_user.profile.is_member_of(group) %}
+        {% if group.visibility == 'public' %}
+Join
+        {% else %}
+Request membership
+        {% endif %}
+    {% else %}
+Invitation form
+    {% endif %}<br>
+    {% if group.details_visible_to(current_user.profile) %}
+<h2>{% trans %}Members{% endtrans %}</h2>
+        {% for member in group.members %}
+{{ profile_link(member) }}
+        {% endfor %}
+    {% else %}
+The details of this grop are not visible to you.
+    {% endif %}
+{% endblock content %}

calsocial/templates/group/list.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+
+{% block content %}
+<h2>{% trans %}Groups{% endtrans %}</h2>
+{% for group in groups %}
+<a href="{{ group.url }}">{{ group }}</a>
+{% else %}
+{% trans %}No groups.{% endtrans %}
+<a href="{{ url_for('group.create') }}">{% trans %}Do you want to create one?{% endtrans %}
+{% endfor %}
+{% endblock content %}

calsocial/templates/month-view.html

@@ -11,10 +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 %}
@@ -26,10 +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">

calsocial/templates/profile-details.html

@@ -1,14 +1,18 @@
 {% extends 'base.html' %}
+{% from '_macros.html' import profile_link %}
 
 {% block content %}
-<h1>
+<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 %}
@@ -18,7 +22,7 @@
 </h2>
 
     {% for followed in profile.followed_list %}
-{{ followed }}
+{{ profile_link(followed) }}
     {% endfor %}
 
 <h2>
@@ -26,6 +30,6 @@
 </h2>
 
     {% for follower in profile.follower_list %}
-{{ follower }}
+{{ profile_link(follower) }}
     {% endfor %}
 {% endblock content %}

calsocial/templates/welcome.html

@@ -1,4 +1,5 @@
 {% extends 'base.html' %}
+{% from '_macros.html' import profile_link %}
 
 {% block content %}
 <div class="ui grid">
@@ -72,12 +73,10 @@
         </div>
 
         <div class="four wide column">
+    {% if admin_profile %}
             <h2>{% trans %}Administered by{% endtrans %}</h2>
-            <a href="#" class="ui profile">
-                <div class="avatar"></div>
-                <div class="display name">Your Admin here</div>
-                <div class="handle">@admin@he.re</div>
-            </a>
+            {{ profile_link(admin_profile) }}
+    {% endif %}
         </div>
     </div>
 </div>

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()

tests/helpers.py

@@ -14,13 +14,11 @@
 # 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
+"""Helper functions for testing
 """
 
 from contextlib import contextmanager
 
-import pytest
-
 import calsocial
 from calsocial.models import db
 
@@ -34,22 +32,6 @@ def configure_app():
     calsocial.app.config['WTF_CSRF_ENABLED'] = False
 
 
-@pytest.fixture
-def client():
-    """Fixture that provides a Flask test client
-    """
-    configure_app()
-    client = calsocial.app.test_client()
-
-    with calsocial.app.app_context():
-        db.create_all()
-
-    yield client
-
-    with calsocial.app.app_context():
-        db.drop_all()
-
-
 def login(client, username, password, no_redirect=False):
     """Login with the specified username and password
     """
@@ -59,21 +41,6 @@ def login(client, username, password, no_redirect=False):
                        follow_redirects=not no_redirect)
 
 
-@pytest.fixture
-def database():
-    """Fixture to provide all database tables in an active application context
-    """
-
-    configure_app()
-
-    with calsocial.app.app_context():
-        db.create_all()
-
-        yield db
-
-        db.drop_all()
-
-
 @contextmanager
 def alter_config(app, **kwargs):
     saved = {}

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'

tests/test_calsocial.py

@@ -17,8 +17,9 @@
 """General tests for Calendar.social
 """
 
-from helpers import client
+from flask import current_app
 
+import pytest
 
 def test_index_no_login(client):
     """Test the main page without logging in
@@ -26,3 +27,50 @@ def test_index_no_login(client):
 
     page = client.get('/')
     assert b'Peek inside' in page.data
+
+
+def test_instance_adin_unset(database):
+    """Test the instance admin feature if the admin is not set
+    """
+
+    with pytest.warns(UserWarning, match=r'Instance admin is not set correctly \(value is None\)'):
+        assert current_app.instance_admin is None
+
+
+def test_instance_admin_bad_value(database):
+    """Test the instance admin feature if the value is invalid
+    """
+
+    from calsocial.models import AppState
+
+    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
+    """
+
+    from calsocial.models import AppState
+
+    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
+    """
+
+    from calsocial.models import db, AppState, User
+
+    user = User(username='admin')
+    db.session.add(user)
+    db.session.commit()
+
+    AppState['instance_admin'] = user.id
+
+    assert current_app.instance_admin == user

tests/test_follow.py

@@ -20,7 +20,7 @@
 import calsocial
 from calsocial.models import db, Notification, NotificationAction, Profile, User, UserFollow
 
-from helpers import client, database, login
+from helpers import login
 
 
 def test_profile_follow(database):

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'

tests/test_login.py

@@ -20,7 +20,7 @@
 import calsocial
 from calsocial.models import db, User
 
-from helpers import client, login
+from helpers import login
 
 
 def test_login_invalid_user(client):

tests/test_register.py

@@ -20,7 +20,7 @@
 import calsocial
 from calsocial.models import db, User
 
-from helpers import alter_config, client
+from helpers import alter_config
 
 
 def test_register_page(client):