[Refactor] Move app-level views into the CalendarSocialApp class

calsocial/__init__.py

@@ -15,6 +15,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 from datetime import datetime
+from functools import wraps
 import os
 
 from flask import Flask, current_app, redirect, render_template, url_for
@@ -44,6 +45,15 @@ def template_vars():
     }
 
 
+def route(*args, **kwargs):
+    def decorator(func):
+        setattr(func, 'routing', (args, kwargs))
+
+        return func
+
+    return decorator
+
+
 class CalendarSocialApp(Flask):
     def __init__(self, name, config=None):
         from .models import db, User, Role
@@ -64,60 +74,70 @@ class CalendarSocialApp(Flask):
 
         self.context_processor(template_vars)
 
+        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)
+
+    @route('/')
+    def hello(self):
+        from .calendar_system.gregorian import GregorianCalendar
+
+        if not current_user.is_authenticated:
+            return render_template('welcome.html')
+
+        calendar = GregorianCalendar(datetime.utcnow().timestamp())
+
+        return render_template('index.html', calendar=calendar)
+
+    @route('/register', methods=['POST', 'GET'])
+    def register(self):
+        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('registration.html', form=form)
+
+    @route('/new-event', methods=['GET', 'POST'])
+    @login_required
+    def new_event(self):
+        from .forms import EventForm
+        from .models import db, Event
+
+        form = EventForm()
+
+        if form.validate_on_submit():
+            event = Event(user=current_user)
+            form.populate_obj(event)
+
+            db.session.add(event)
+            db.session.commit()
+
+            return redirect(url_for('hello'))
+
+        return render_template('event-edit.html', form=form)
+
 
 app = CalendarSocialApp(__name__)
-
-
-@app.route('/')
-def hello():
-    from .calendar_system.gregorian import GregorianCalendar
-
-    if not current_user.is_authenticated:
-        return render_template('welcome.html')
-
-    calendar = GregorianCalendar(datetime.utcnow().timestamp())
-
-    return render_template('index.html', calendar=calendar)
-
-
-@app.route('/register', methods=['POST', 'GET'])
-def register():
-    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('registration.html', form=form)
-
-
-@app.route('/new-event', methods=['GET', 'POST'])
-@login_required
-def new_event():
-    from .forms import EventForm
-    from .models import db, Event
-
-    form = EventForm()
-
-    if form.validate_on_submit():
-        event = Event(user=current_user)
-        form.populate_obj(event)
-
-        db.session.add(event)
-        db.session.commit()
-
-        return redirect(url_for('hello'))
-
-    return render_template('event-edit.html', form=form)