sql_app: Respond to emergency events record db entry

Signed-off-by: HeshamTB <hishaminv@gmail.com>

sql_app/crud.py

@@ -239,3 +239,15 @@ def update_user_status(db: Session, user: models.User, state: bool):
     db.add(user)
     db.commit()
     db.refresh(user)
+
+def record_emergancy_entry(db: Session, monitor_data: schemas.MonitorUpdateReadings, monitor_id: int):
+    new_entry : models.EmergancyNotice = models.EmergancyNotice(
+        monitor_id=monitor_id,
+        people=monitor_data.people,
+        temperature=monitor_data.temperature,
+        smoke_sensor_reading=monitor_data.smoke_sensor_reading,
+        timestamp=datetime.now()
+    )
+    db.add(new_entry)
+    db.commit()
+    db.refresh(new_entry)

sql_app/main.py

@@ -6,7 +6,7 @@ from sqlalchemy.orm import Session
 
 from . import crud, models, schemas, auth_helper, init_db
 from .database import SessionLocal, engine
-from .utils import get_db
+from .utils import get_db, EMERG_SMOKE, EMERG_TEMP
 
 from typing import List
 from datetime import timedelta, datetime
@@ -400,6 +400,11 @@ def polling_method_for_room_monitor(request: schemas.MonitorUpdateReadings,
         status_code=status.HTTP_401_UNAUTHORIZED,
         detail="Could not validate credentials")
     crud.record_room_sensor_data(db, request, device)
+    if request.temperature >= EMERG_TEMP or request.smoke_sensor_reading >= EMERG_SMOKE:
+        crud.record_emergancy_entry(db, request, device.id)
+        print("********EMERGENCY AT %s********" % device.description)
+        # Call into a hook to notify with room and people
+        
     print(request)
     return request
 

sql_app/models.py

@@ -69,7 +69,6 @@ class DoorAccessLog(Base):
 class RoomSensorData(Base):
     __tablename__ = "room_sensor_data"
 
-    # Data is now not related to a room. We should have a construct for rooms
     reading_id = Column(Integer, primary_key=True, index=True)
     humidity = Column(Integer)
     people = Column(Integer)
@@ -87,4 +86,14 @@ class UserConnectionHistory(Base):
     timestamp = Column(DateTime)
     # TODO: add ip
 
+class EmergancyNotice(Base):
+    __tablename__ = "emergency_notice"
+
+    id = Column(Integer, primary_key=True)
+    monitor_id = Column(Integer, ForeignKey("monitors.id"), index=True)
+    people = Column(Integer)
+    temperature = Column(Integer)
+    smoke_sensor_reading = Column(Integer)
+    timestamp = Column(DateTime)
+
 # TODO: Add table to store active sessions. May periodically clear.

sql_app/utils.py

@@ -6,4 +6,7 @@ def get_db():
     try:
         yield db
     finally:
-        db.close()
+        db.close()
+
+EMERG_TEMP = 50
+EMERG_SMOKE = 1000