feat: Add helper functions for Route

helpers/route_helpers.py

@@ -0,0 +1,90 @@
+from typing import List, Optional
+from sqlalchemy.orm import Session
+from models.route import Route
+from schemas.route import RouteCreate, RouteSchema
+from uuid import UUID
+
+def get_route_by_id(db: Session, route_id: UUID) -> Optional[Route]:
+    """
+    Get a route by its ID.
+
+    Args:
+        db (Session): SQLAlchemy database session.
+        route_id (UUID): The ID of the route to retrieve.
+
+    Returns:
+        Optional[Route]: The route object if found, None otherwise.
+    """
+    return db.query(Route).filter(Route.id == route_id).first()
+
+def get_all_routes(db: Session) -> List[Route]:
+    """
+    Get all routes from the database.
+
+    Args:
+        db (Session): SQLAlchemy database session.
+
+    Returns:
+        List[Route]: A list of all route objects.
+    """
+    return db.query(Route).all()
+
+def create_route(db: Session, route_data: RouteCreate) -> Route:
+    """
+    Create a new route in the database.
+
+    Args:
+        db (Session): SQLAlchemy database session.
+        route_data (RouteCreate): The data to create a new route.
+
+    Returns:
+        Route: The newly created route object.
+    """
+    new_route = Route(**route_data.dict())
+    db.add(new_route)
+    db.commit()
+    db.refresh(new_route)
+    return new_route
+
+def update_route(db: Session, route_id: UUID, route_data: RouteSchema) -> Optional[Route]:
+    """
+    Update an existing route in the database.
+
+    Args:
+        db (Session): SQLAlchemy database session.
+        route_id (UUID): The ID of the route to update.
+        route_data (RouteSchema): The updated data for the route.
+
+    Returns:
+        Optional[Route]: The updated route object if found, None otherwise.
+    """
+    route = get_route_by_id(db, route_id)
+    if route:
+        route.name = route_data.name
+        route.description = route_data.description
+        route.origin = route_data.origin
+        route.destination = route_data.destination
+        route.distance = route_data.distance
+        route.duration = route_data.duration
+        db.commit()
+        db.refresh(route)
+        return route
+    return None
+
+def delete_route(db: Session, route_id: UUID) -> bool:
+    """
+    Delete a route from the database.
+
+    Args:
+        db (Session): SQLAlchemy database session.
+        route_id (UUID): The ID of the route to delete.
+
+    Returns:
+        bool: True if the route was deleted successfully, False otherwise.
+    """
+    route = get_route_by_id(db, route_id)
+    if route:
+        db.delete(route)
+        db.commit()
+        return True
+    return False