[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
@@ -64,12 +74,21 @@ class CalendarSocialApp(Flask):
 
         self.context_processor(template_vars)
 
+        for attr_name in self.__dir__():
+            attr = getattr(self, attr_name)
 
-app = CalendarSocialApp(__name__)
+            if not callable(attr):
+                continue
 
+            args, kwargs = getattr(attr, 'routing', (None, None))
 
-@app.route('/')
-def hello():
+            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:
@@ -79,9 +98,8 @@ def hello():
 
         return render_template('index.html', calendar=calendar)
 
-
-@app.route('/register', methods=['POST', 'GET'])
-def register():
+    @route('/register', methods=['POST', 'GET'])
+    def register(self):
         if not current_app.config['REGISTRATION_ENABLED']:
             return render_template('registration-disabled.html')
 
@@ -102,10 +120,9 @@ def register():
 
         return render_template('registration.html', form=form)
 
-
-@app.route('/new-event', methods=['GET', 'POST'])
+    @route('/new-event', methods=['GET', 'POST'])
     @login_required
-def new_event():
+    def new_event(self):
         from .forms import EventForm
         from .models import db, Event
 
@@ -121,3 +138,6 @@ def new_event():
             return redirect(url_for('hello'))
 
         return render_template('event-edit.html', form=form)
+
+
+app = CalendarSocialApp(__name__)