feat: fcm apis

feat: push notification api

apis/__init__.py

@@ -5,7 +5,7 @@ from fastapi.security import HTTPBearer
 # Import the security scheme
 bearer_scheme = HTTPBearer(scheme_name="Bearer Authentication")
 
-from .endpoints import clinics, doctors, calender, appointments, patients, admin, auth, s3, users, clinicDoctor, dashboard, call_transcripts  
+from .endpoints import clinics, doctors, calender, appointments, patients, admin, auth, s3, users, clinicDoctor, dashboard, call_transcripts, notifications  
 
 api_router = APIRouter()
 # api_router.include_router(twilio.router, prefix="/twilio")
@@ -37,3 +37,5 @@ api_router.include_router(clinicDoctor.router, prefix="/clinic-doctors", tags=["
 api_router.include_router(dashboard.router, prefix="/dashboard", tags=["dashboard"], dependencies=[Depends(auth_required)])
 
 api_router.include_router(call_transcripts.router, prefix="/call-transcripts", tags=["call-transcripts"], dependencies=[Depends(auth_required)])
+
+api_router.include_router(notifications.router, prefix="/notifications", tags=["notifications"], dependencies=[Depends(auth_required)])

apis/endpoints/notifications.py

@@ -0,0 +1,37 @@
+from fastapi import APIRouter
+from utils.constants import DEFAULT_LIMIT, DEFAULT_PAGE
+from services.notificationServices import NotificationServices
+from schemas.ApiResponse import ApiResponse
+from fastapi import Request
+
+router = APIRouter()
+
+@router.get("/")
+def get_notifications(request: Request, limit: int = DEFAULT_LIMIT, page: int = DEFAULT_PAGE):
+    if page <0:
+        page = 1
+
+    offset = (page - 1) * limit
+    
+    notifications = NotificationServices().getNotifications(request.state.user["id"], limit, offset)
+    return ApiResponse(data=notifications, message="Notifications retrieved successfully")
+
+@router.delete("/")
+def delete_notification(notification_id: int):
+    NotificationServices().deleteNotification(notification_id)
+    return ApiResponse(data="OK", message="Notification deleted successfully")
+
+@router.put("/")
+def update_notification_status(notification_id: int):
+    NotificationServices().updateNotificationStatus(notification_id)
+    return ApiResponse(data="OK", message="Notification status updated successfully")
+
+@router.post("/")
+def send_notification(title: str, message: str, sender_id: int, receiver_id: int):
+    NotificationServices().createNotification(title, message, sender_id, receiver_id)
+    return ApiResponse(data="OK", message="Notification sent successfully")
+
+@router.post("/fcm")
+def send_fcm_notification(req: Request, token: str):
+    NotificationServices().createOrUpdateFCMToken(req.state.user["id"], token)
+    return ApiResponse(data="OK", message="FCM Notification sent successfully")

migrations/versions/ac71b9a4b040_notification_table.py

@@ -0,0 +1,51 @@
+"""notification table
+
+Revision ID: ac71b9a4b040
+Revises: 0ce7107c1910
+Create Date: 2025-05-14 16:14:23.750891
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'ac71b9a4b040'
+down_revision: Union[str, None] = '0ce7107c1910'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('notifications',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('title', sa.String(), nullable=True),
+    sa.Column('message', sa.String(), nullable=True),
+    sa.Column('is_read', sa.Boolean(), nullable=True),
+    sa.Column('sender_id', sa.Integer(), nullable=False),
+    sa.Column('receiver_id', sa.Integer(), nullable=False),
+    sa.Column('create_time', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
+    sa.Column('update_time', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
+    sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
+    sa.ForeignKeyConstraint(['receiver_id'], ['users.id'], ),
+    sa.ForeignKeyConstraint(['sender_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_notifications_id'), 'notifications', ['id'], unique=False)
+    op.create_index(op.f('ix_notifications_receiver_id'), 'notifications', ['receiver_id'], unique=False)
+    op.create_index(op.f('ix_notifications_sender_id'), 'notifications', ['sender_id'], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_notifications_sender_id'), table_name='notifications')
+    op.drop_index(op.f('ix_notifications_receiver_id'), table_name='notifications')
+    op.drop_index(op.f('ix_notifications_id'), table_name='notifications')
+    op.drop_table('notifications')
+    # ### end Alembic commands ###

models/Fcm.py

@@ -0,0 +1,15 @@
+from sqlalchemy import Column, Integer, String
+from sqlalchemy.orm import relationship
+from sqlalchemy import ForeignKey
+
+from database import Base
+from .CustomBase import CustomBase
+
+
+class Fcm(Base, CustomBase):
+    __tablename__ = "fcm"
+
+    id = Column(Integer, primary_key=True, index=True)
+    token = Column(String)
+    user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
+    user = relationship("Users", back_populates="fcm")

models/Notifications.py

@@ -0,0 +1,19 @@
+from sqlalchemy import Boolean, Column, Integer, String, ForeignKey
+from sqlalchemy.orm import relationship
+
+from database import Base
+from .CustomBase import CustomBase
+
+class Notifications(Base, CustomBase):
+    __tablename__ = "notifications"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    title = Column(String)
+    message = Column(String)
+    is_read = Column(Boolean, default=False)
+
+    sender_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
+    sender = relationship("Users", foreign_keys=[sender_id], back_populates="sent_notifications")
+
+    receiver_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
+    receiver = relationship("Users", foreign_keys=[receiver_id], back_populates="received_notifications")

models/Users.py

@@ -3,6 +3,7 @@ from database import Base
 from sqlalchemy import Enum
 from enums.enums import ClinicUserRoles, UserType
 from models.CustomBase import CustomBase
+from sqlalchemy.orm import relationship
 
 class Users(Base, CustomBase):
     __tablename__ = "users"
@@ -13,3 +14,10 @@ class Users(Base, CustomBase):
     clinicRole = Column(Enum(ClinicUserRoles), nullable=True)
     userType = Column(Enum(UserType), nullable=True)
     profile_pic = Column(String, nullable=True)
+    
+    # Notification relationships
+    sent_notifications = relationship("Notifications", foreign_keys="Notifications.sender_id", back_populates="sender")
+    received_notifications = relationship("Notifications", foreign_keys="Notifications.receiver_id", back_populates="receiver")
+
+    # FCM relationships
+    fcm = relationship("Fcm", back_populates="user")

models/__init__.py

@@ -7,6 +7,9 @@ from .Calendar import Calenders
 from .AppointmentRelations import AppointmentRelations
 from .MasterAppointmentTypes import MasterAppointmentTypes
 from .ClinicDoctors import ClinicDoctors
+from .Notifications import Notifications
+from .CallTranscripts import CallTranscripts
+from .Fcm import Fcm
 
 __all__ = [
     "Users",
@@ -18,4 +21,7 @@ __all__ = [
     "AppointmentRelations",
     "MasterAppointmentTypes",
     "ClinicDoctors",
+    "Notifications",
+    "CallTranscripts",
+    "Fcm",
 ]

schemas/BaseSchemas.py

@@ -85,3 +85,11 @@ class CallTranscriptsBase(BaseModel):
     call_duration:str
     call_received_time:str
     transcript_key_id:str
+
+
+class NotificationBase(BaseModel):
+    title: str
+    message: str
+    is_read: bool
+    sender_id: int
+    receiver_id: int

schemas/CreateSchemas.py

@@ -45,3 +45,7 @@ class ClinicDoctorCreate(ClinicDoctorBase):
 
 class CallTranscriptsCreate(CallTranscriptsBase):
     pass
+
+
+class NotificationCreate(NotificationBase):
+    pass

schemas/ResponseSchemas.py

@@ -152,3 +152,12 @@ class CallTranscriptsResponse(CallTranscriptsBase):
 
     class Config:
         orm_mode = True
+
+
+class NotificationResponse(NotificationBase):
+    id: int
+    create_time: datetime
+    update_time: datetime
+
+    class Config:
+        orm_mode = True

services/notificationServices.py

@@ -0,0 +1,82 @@
+from logging import Logger
+from database import get_db
+from sqlalchemy.orm import Session
+from firebase_admin import messaging
+
+from models import Notifications, Users, Fcm
+from interface.common_response import CommonResponse
+from schemas.ResponseSchemas import NotificationResponse
+from exceptions.resource_not_found_exception import ResourceNotFoundException
+
+class NotificationServices:
+    def __init__(self):
+        self.db:Session = next(get_db())
+    
+    def createNotification(self, title, message, sender_id, receiver_id):
+        # validate sender and receiver
+        sender = self.db.query(Users).filter(Users.id == sender_id).first()
+        receiver = self.db.query(Users).filter(Users.id == receiver_id).first()
+
+        if not sender or not receiver:
+            raise ResourceNotFoundException("Sender or receiver not found")
+        
+        notification = Notifications(title=title, message=message, sender_id=sender_id, receiver_id=receiver_id)
+        self.db.add(notification)
+        self.db.commit()
+        return True
+
+    def getNotifications(self, user_id, limit: int, offset: int):
+        notifications = self.db.query(Notifications).filter(Notifications.receiver_id == user_id).limit(limit).offset(offset).all()
+        total = self.db.query(Notifications).filter(Notifications.receiver_id == user_id).count()
+        
+        response = CommonResponse(data=[NotificationResponse(**notification.__dict__.copy()) for notification in notifications], total=total)
+
+        return response
+
+    def deleteNotification(self, notification_id):
+        notification = self.db.query(Notifications).filter(Notifications.id == notification_id).first()
+
+        if not notification:
+            raise ResourceNotFoundException("Notification not found")
+
+        self.db.delete(notification)
+        self.db.commit()
+        return True
+
+    def updateNotificationStatus(self, notification_id):
+        notification = self.db.query(Notifications).filter(Notifications.id == notification_id).first()
+
+        if not notification:
+            raise ResourceNotFoundException("Notification not found")
+
+        notification.is_read = not notification.is_read
+        self.db.commit()
+        return True
+
+    def createOrUpdateFCMToken(self,user_id,token):
+        fcm = self.db.query(Fcm).filter(Fcm.token == token).first()
+
+        if fcm is None:
+            fcm = Fcm(user_id=user_id, token=token)
+            self.db.add(fcm)
+            self.db.commit()
+            return True
+
+        fcm.token = token
+        self.db.commit()
+        return True
+
+    def sendPushNotification(self, token:str, payload):
+        try:
+            message = messaging.Message(
+                notification=messaging.Notification(
+                    title=payload["title"],
+                    body=payload["body"],
+                ),
+                data={},
+                token=token,
+            )
+            response = messaging.send(message)
+            return response
+        except:
+            Logger.error("Failed to send push notification")