Add room and analytics services with CRUD API endpoints

- Implement RoomService for room management and metrics - Add
AnalyticsService for sensor data analytics and trends - Extend models
with Room, RoomCreate, RoomUpdate, RoomInfo - Add room CRUD endpoints to
FastAPI app - Add database connection logic for MongoDB and Redis -
Refactor sensor service logic into SensorService class

microservices/sensor-service/models.py

@@ -296,19 +296,82 @@ class AnalyticsSummary(BaseModel):
             datetime: lambda v: v.isoformat()
         }
 
+# Room Management Models
+class Room(BaseModel):
+    """Room model for database storage and API responses"""
+    name: str = Field(..., description="Unique room name")
+    description: Optional[str] = Field(None, description="Room description")
+    floor: Optional[str] = Field(None, description="Floor designation")
+    building: Optional[str] = Field(None, description="Building name")
+    area: Optional[float] = Field(None, description="Room area in square meters")
+    capacity: Optional[int] = Field(None, description="Maximum occupancy")
+    room_type: Optional[str] = Field(None, description="Room type (office, meeting, storage, etc.)")
+
+    # Metadata
+    created_at: datetime = Field(default_factory=datetime.utcnow, description="Room creation timestamp")
+    updated_at: datetime = Field(default_factory=datetime.utcnow, description="Room update timestamp")
+
+    class Config:
+        json_encoders = {
+            datetime: lambda v: v.isoformat() if v else None
+        }
+
+class RoomCreate(BaseModel):
+    """Model for creating new rooms"""
+    name: str = Field(..., description="Unique room name", min_length=1, max_length=100)
+    description: Optional[str] = Field(None, description="Room description", max_length=500)
+    floor: Optional[str] = Field(None, description="Floor designation", max_length=50)
+    building: Optional[str] = Field(None, description="Building name", max_length=100)
+    area: Optional[float] = Field(None, description="Room area in square meters", gt=0)
+    capacity: Optional[int] = Field(None, description="Maximum occupancy", gt=0)
+    room_type: Optional[str] = Field(None, description="Room type", max_length=50)
+
+class RoomUpdate(BaseModel):
+    """Model for updating existing rooms"""
+    description: Optional[str] = Field(None, description="Room description", max_length=500)
+    floor: Optional[str] = Field(None, description="Floor designation", max_length=50)
+    building: Optional[str] = Field(None, description="Building name", max_length=100)
+    area: Optional[float] = Field(None, description="Room area in square meters", gt=0)
+    capacity: Optional[int] = Field(None, description="Maximum occupancy", gt=0)
+    room_type: Optional[str] = Field(None, description="Room type", max_length=50)
+
+class RoomInfo(BaseModel):
+    """Comprehensive room information for API responses"""
+    name: str = Field(..., description="Room name")
+    description: Optional[str] = Field(None, description="Room description")
+    floor: Optional[str] = Field(None, description="Floor designation")
+    building: Optional[str] = Field(None, description="Building name")
+    area: Optional[float] = Field(None, description="Room area in square meters")
+    capacity: Optional[int] = Field(None, description="Maximum occupancy")
+    room_type: Optional[str] = Field(None, description="Room type")
+
+    # Runtime information
+    sensor_count: int = Field(0, description="Number of sensors in room")
+    active_sensors: int = Field(0, description="Number of active sensors")
+    last_updated: Optional[datetime] = Field(None, description="Last metrics update")
+
+    # Timestamps
+    created_at: datetime = Field(..., description="Room creation timestamp")
+    updated_at: datetime = Field(..., description="Room update timestamp")
+
+    class Config:
+        json_encoders = {
+            datetime: lambda v: v.isoformat() if v else None
+        }
+
 class HealthResponse(BaseModel):
     """Health check response"""
     service: str
     status: str
     timestamp: datetime
     version: str
-    
+
     # Additional service-specific health metrics
     total_sensors: Optional[int] = None
     active_sensors: Optional[int] = None
     total_rooms: Optional[int] = None
     websocket_connections: Optional[int] = None
-    
+
     class Config:
         json_encoders = {
             datetime: lambda v: v.isoformat()