added EventNotifyer

README.md

@@ -52,7 +52,7 @@ update, delete, and be reminded of events with additional advanced features.
   - User Event Association (Many to Many)
     - User_id (string, required, foreign key)
     - Event_id (Integer, required, foreign key)
-    - Notification Made (bool, required)
+    - Notifiyed Made (bool, default: false)
 
 
 # API EndPoints

app.py

@@ -9,6 +9,8 @@ from middlewares.errorHandlers import handle_auth_error, handle_invalid_token
 from flask_jwt_extended.exceptions import NoAuthorizationError
 from jwt.exceptions import InvalidTokenError
 from datetime import timedelta
+from flask_apscheduler import APScheduler
+from services.EventNotifyerService import EventNotifyerServer
 
 class App:
     def __init__(self):
@@ -18,6 +20,15 @@ class App:
         self.set_up_jwt()
         self.register_blueprints()
         self.setup_error_handlers()
+        self.scheduler = APScheduler()
+
+    def setup_scheduler(self):
+        self.app.config.from_object(self.SchadulerConfig())
+        self.scheduler.init_app(self.app)
+        self.scheduler.start()
+        # Schedule the job
+        self.scheduler.add_job(id='locate_upcoming_events', func=self.locate_upcoming_events, trigger='interval', seconds=1)
+
 
     def set_config(self):
         self.app.config.from_object(config.Config)
@@ -44,6 +55,7 @@ class App:
     def run(self):
         with self.app.app_context():
             db.create_all()
+            self.setup_scheduler() # Setup scheduler
         self.app.run(debug=True)
 
     def print_endpoints(self):
@@ -54,6 +66,13 @@ class App:
             print(f"   Function: {function_name}")
 
 
+    def SchadulerConfig(object):
+        SCHEDULER_API_ENABLED = True
+
+    def locate_upcoming_events(self):
+        with self.app.app_context():
+            print(EventNotifyerServer.locate_upcoming_events())
+
 app_class_instance = App()
 app_instance = app_class_instance.app
 

infra/docker-compose.yml

@@ -1,7 +0,0 @@
-version: '3'
-
-services:
-  redis:
-    image: redis:latest
-    ports:
-      - "6379:6379"

migrations/versions/04e41f293ec2_adda_col_notifyed_bool.py

@@ -0,0 +1,44 @@
+"""AddA_col_Notifyed_Bool
+
+Revision ID: 04e41f293ec2
+Revises: 902a6851ae27
+Create Date: 2024-01-08 21:11:13.952001
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '04e41f293ec2'
+down_revision = '902a6851ae27'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('user_event', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('notified', sa.Boolean(), nullable=True))
+        batch_op.alter_column('user_id',
+               existing_type=sa.VARCHAR(length=36),
+               nullable=False)
+        batch_op.alter_column('event_id',
+               existing_type=sa.INTEGER(),
+               nullable=False)
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('user_event', schema=None) as batch_op:
+        batch_op.alter_column('event_id',
+               existing_type=sa.INTEGER(),
+               nullable=True)
+        batch_op.alter_column('user_id',
+               existing_type=sa.VARCHAR(length=36),
+               nullable=True)
+        batch_op.drop_column('notified')
+
+    # ### end Alembic commands ###

models.py

@@ -1,28 +1,27 @@
 from flask_sqlalchemy import SQLAlchemy
 from flask_bcrypt import Bcrypt
-from sqlalchemy import Table, Column, Integer, ForeignKey, String
+from sqlalchemy import Column, Integer, ForeignKey, String, Boolean
 import uuid
 
 db = SQLAlchemy()
 bcrypt = Bcrypt()
 
-
+class UserEventAssociation(db.Model):
-user_event_association = Table('user_event', db.Model.metadata,
+    __tablename__ = 'user_event'
-    Column('user_id', String(36), ForeignKey('user.id')),
+    user_id = Column(String(36), ForeignKey('user.id'), primary_key=True)
-    Column('event_id', Integer, ForeignKey('event.id'))
+    event_id = Column(Integer, ForeignKey('event.id'), primary_key=True)
-)
+    notified = Column(Boolean, default=False)
 
 class Event(db.Model):
-    id = db.Column(db.Integer, primary_key=True)
+    id = Column(db.Integer, primary_key=True)
-    title = db.Column(db.String(100), nullable=False)
+    title = Column(db.String(100), nullable=False)
-    description = db.Column(db.String(200), nullable=False)
+    description = Column(db.String(200), nullable=False)
-    location = db.Column(db.String(100), nullable=False)
+    location = Column(db.String(100), nullable=False)
-    deleted = db.Column(db.Boolean, default=False)
+    deleted = Column(Boolean, default=False)
-    duedate = db.Column(db.DateTime, nullable=False)
+    duedate = Column(db.DateTime, nullable=False)
-    created_at = db.Column(db.DateTime, default=db.func.now())
+    created_at = Column(db.DateTime, default=db.func.now())
-    user_id = db.Column(db.String(36), db.ForeignKey('user.id'), nullable=False)
+    user_id = Column(String(36), db.ForeignKey('user.id'), nullable=False)
-    users = db.relationship('User', secondary=user_event_association, back_populates='events')
+    users = db.relationship('User', secondary='user_event', back_populates='events')
-
 
     def to_dict(self):
         return {
@@ -36,14 +35,12 @@ class Event(db.Model):
         }
 
 class User(db.Model):
-    id = db.Column(db.String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
+    id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
-    name = db.Column(db.String(100), nullable=False)
+    name = Column(db.String(100), nullable=False)
-    email = db.Column(db.String(120), unique=True, nullable=False)
+    email = Column(db.String(120), unique=True, nullable=False)
-    password_hash = db.Column(db.String(128), nullable=False)
+    password_hash = Column(db.String(128), nullable=False)
-    location = db.Column(db.String(100), nullable=False)
+    location = Column(db.String(100), nullable=False)
-    events = db.relationship('Event', secondary=user_event_association, back_populates='users')
+    events = db.relationship('Event', secondary='user_event', back_populates='users')
-
-
 
     def set_password(self, password):
         self.password_hash = bcrypt.generate_password_hash(password).decode('utf-8')
@@ -58,4 +55,3 @@ class User(db.Model):
             'email': self.email,
             'location': self.location
         }
-    

services/EventNotifyerService.py

@@ -0,0 +1,10 @@
+# this Class is for the scheduler
+#this class will have a function that locates the upcomming events Using the Event service.
+from services.EventService import EventService
+
+class EventNotifyerServer:
+  def __init__(self):
+    pass
+
+  def locate_upcoming_events():
+    return EventService.get_all_upcomming_events()

services/EventService.py

@@ -1,9 +1,10 @@
 from sqlalchemy.sql import exists
-from models import db, Event, user_event_association
+from models import db, Event, UserEventAssociation, User
 from services.UserService import UserService
 from datetime import datetime
 from flask import g
 from sqlalchemy import func
+from datetime import timedelta
 
 class EventService:
     @staticmethod
@@ -31,7 +32,9 @@ class EventService:
         if sort_by == 'date':
             query = query.order_by(Event.duedate)
         elif sort_by == 'popularity':
-            query = query.outerjoin(user_event_association).group_by(Event.id).order_by(func.count(user_event_association.c.user_id).desc())
+            query = query.join(UserEventAssociation, Event.id == UserEventAssociation.event_id)\
+                         .group_by(Event.id)\
+                         .order_by(func.count(UserEventAssociation.user_id).desc())
         elif sort_by == 'creation':
             query = query.order_by(Event.created_at)
 
@@ -82,25 +85,26 @@ class EventService:
             return {'error': 'Event not found or already passed'}
 
         # Check if the user is already associated with the event
-        is_already_attending = db.session.query(exists().where(
+        is_already_attending = UserEventAssociation.query.filter_by(
-            user_event_association.c.user_id == user_id,
+            user_id=user_id,
-            user_event_association.c.event_id == event_id
+            event_id=event_id
-        )).scalar()
+        ).first()
 
         if is_already_attending:
             return {'error': 'User already attending this event'}
 
         # Add the user to the event
-        user = UserService.get_user_by_id(user_id)
+        user_event_association = UserEventAssociation(
-        if not user:
+            user_id=user_id,
-            return {'error': 'User not found'}
+            event_id=event_id
-
+        )
-        event.users.append(user)
+        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
@@ -114,21 +118,33 @@ class EventService:
         if not event:
             return {'error': 'Event not found or already passed'}
 
-        # Check if the user is already associated with the event
+        user_event_association = UserEventAssociation.query.filter_by(
-        is_already_attending = db.session.query(exists().where(
+            user_id=user_id,
-            user_event_association.c.user_id == user_id,
+            event_id=event_id
-            user_event_association.c.event_id == event_id
+        ).first()
-        )).scalar()
         
-        if not is_already_attending:
+
+        if not user_event_association:
             return {'error': 'User not attending this event'}
 
-        # Remove the user from the event
         user = UserService.get_user_by_id(user_id)
         if not user:
             return {'error': 'User not found'}
 
-        event.users.remove(user)
+
+        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()
+        upcoming_deadline = now + timedelta(minutes=30)
+        events = Event.query.filter(
+            
+            Event.duedate <= upcoming_deadline,
+            Event.deleted == False
+        ).all()
+
+        return [event.to_dict() for event in events]