README.md

@@ -65,9 +65,4 @@ update, delete, and be reminded of events with additional advanced features.
 
 
 
-# how to run?
-- pip install -r requirements.txt
-- flask db upgrade
-- flask run
-
 

requirements.txt

@@ -1,44 +0,0 @@
-alembic==1.13.1
-amqp==5.2.0
-aniso8601==9.0.1
-APScheduler==3.10.4
-bcrypt==4.1.2
-bidict==0.22.1
-billiard==4.2.0
-blinker==1.7.0
-click==8.1.7
-click-didyoumean==0.3.0
-click-plugins==1.1.1
-click-repl==0.3.0
-Flask==3.0.0
-Flask-APScheduler==1.13.1
-Flask-Bcrypt==1.0.1
-Flask-JWT-Extended==4.6.0
-Flask-Migrate==4.0.5
-Flask-RESTful==0.3.10
-Flask-SQLAlchemy==3.1.1
-greenlet==3.0.3
-h11==0.14.0
-iniconfig==2.0.0
-itsdangerous==2.1.2
-Jinja2==3.1.2
-kombu==5.3.4
-Mako==1.3.0
-MarkupSafe==2.1.3
-packaging==23.2
-pluggy==1.3.0
-prompt-toolkit==3.0.43
-PyJWT==2.8.0
-pytest==7.4.4
-python-dateutil==2.8.2
-python-engineio==4.8.2
-pytz==2023.3.post1
-six==1.16.0
-SQLAlchemy==2.0.25
-typing_extensions==4.9.0
-tzdata==2023.4
-tzlocal==5.2
-vine==5.1.0
-wcwidth==0.2.12
-Werkzeug==3.0.1
-wsproto==1.2.0

routes/eventRoutes.py

@@ -67,3 +67,21 @@ def delete_event(event_id):
     except Exception as e:
         return jsonify({'error': str(e)}), 500
     
+
+@eventRoutes.route('/<int:event_id>/attend', methods=['POST'])
+@authenticate_user
+def attend_event(event_id):
+    response = EventService.attend_event(event_id)
+    if 'error' in response:
+        return jsonify({'error': response['error']}), 400
+
+    return jsonify({'message': response['message']}), 200
+
+@eventRoutes.route('/<int:event_id>/unattend', methods=['POST'])
+@authenticate_user
+def unattend_event(event_id):
+    response = EventService.unattend_event(event_id)
+    if 'error' in response:
+        return jsonify({'error': response['error']}), 400
+    
+    return jsonify({'message': response['message']}), 200

services/EventService.py

@@ -72,6 +72,71 @@ class EventService:
         return event
 
 
+    @staticmethod
+    def attend_event(event_id):
+        user_id = g.user_id
+        event = Event.query.filter(
+            Event.id == event_id,
+            Event.duedate > datetime.now(),
+            Event.deleted == False
+        ).first()
+
+        if not event:
+            return {'error': 'Event not found or already passed'}
+
+        # Check if the user is already associated with the event
+        is_already_attending = UserEventAssociation.query.filter_by(
+            user_id=user_id,
+            event_id=event_id
+        ).first()
+
+        if is_already_attending:
+            return {'error': 'User already attending this event'}
+
+        # Add the user to the event
+        user_event_association = UserEventAssociation(
+            user_id=user_id,
+            event_id=event_id
+        )
+        db.session.add(user_event_association)
+        db.session.commit()
+
+        return {'message': 'User successfully added to the event'}
+
+
+
+    @staticmethod
+    def unattend_event(event_id):
+        user_id = g.user_id  # Assuming user_id is stored in Flask's global g object
+        # Check if the event is valid and in the future
+        event = Event.query.filter(
+            Event.id == event_id,
+            Event.duedate > datetime.now(),
+            Event.deleted == False
+        ).first()
+
+        if not event:
+            return {'error': 'Event not found or already passed'}
+
+        user_event_association = UserEventAssociation.query.filter_by(
+            user_id=user_id,
+            event_id=event_id
+        ).first()
+        
+
+        if not user_event_association:
+            return {'error': 'User not attending this event'}
+
+        user = UserService.get_user_by_id(user_id)
+        if not user:
+            return {'error': 'User not found'}
+
+
+        db.session.delete(user_event_association)
+        db.session.commit()
+
+        return {'message': 'User successfully removed from the event'}
+    
     @staticmethod
     def get_all_upcomming_events():
         now = datetime.now()