init commit

services/location_service/models.py

@@ -0,0 +1,46 @@
+from sqlalchemy import Column, Integer, Float, DateTime, ForeignKey, Index
+from sqlalchemy.dialects.postgresql import UUID
+from shared.database import BaseModel
+import uuid
+
+
+class UserLocation(BaseModel):
+    __tablename__ = "user_locations"
+    
+    uuid = Column(UUID(as_uuid=True), default=uuid.uuid4, unique=True, index=True)
+    user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
+    
+    latitude = Column(Float, nullable=False)
+    longitude = Column(Float, nullable=False)
+    accuracy = Column(Float)  # GPS accuracy in meters
+    altitude = Column(Float)
+    speed = Column(Float)  # Speed in m/s
+    heading = Column(Float)  # Direction in degrees
+    
+    # Indexes for geospatial queries
+    __table_args__ = (
+        Index('idx_location_coords', 'latitude', 'longitude'),
+        Index('idx_location_user_time', 'user_id', 'created_at'),
+    )
+    
+    def __repr__(self):
+        return f"<UserLocation user_id={self.user_id} lat={self.latitude} lng={self.longitude}>"
+
+
+class LocationHistory(BaseModel):
+    __tablename__ = "location_history"
+    
+    user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
+    latitude = Column(Float, nullable=False)
+    longitude = Column(Float, nullable=False)
+    accuracy = Column(Float)
+    recorded_at = Column(DateTime(timezone=True), nullable=False)
+    
+    # Partition by date for better performance
+    __table_args__ = (
+        Index('idx_history_user_date', 'user_id', 'recorded_at'),
+        Index('idx_history_coords_date', 'latitude', 'longitude', 'recorded_at'),
+    )
+    
+    def __repr__(self):
+        return f"<LocationHistory user_id={self.user_id} at={self.recorded_at}>"