Make it possible to accept invites

calsocial/__init__.py

@@ -328,4 +328,37 @@ class CalendarSocialApp(Flask):
 
         return render_template('notifications.html', notifs=notifs)
 
+    @staticmethod
+    @route('/accept/<int:invite_id>')
+    def accept_invite(invite_id):
+        """View to accept an invitation
+        """
+
+        from flask import redirect, url_for
+
+        from .models import db, Invitation, Response, ResponseType
+
+        invitation = Invitation.query.get_or_404(invite_id)
+
+        if invitation.invitee != current_user.profile:
+            abort(403)
+
+        try:
+            Response.query \
+                    .filter(Response.event == invitation.event) \
+                    .filter(Response.profile == current_user.profile) \
+                    .one()
+        except NoResultFound:
+            response = Response(profile=current_user.profile,
+                                event=invitation.event,
+                                invitation=invitation,
+                                response=ResponseType.going)
+            db.session.add(response)
+            db.session.commit()
+        except MultipleResultsFound:
+            pass
+
+        return redirect(url_for('event_details', event_uuid=invitation.event.event_uuid))
+
+
 app = CalendarSocialApp(__name__)