moved the rest of endpoints to individual routers

backend/src/trips/trips_router.py

@@ -0,0 +1,104 @@
+import logging
+from fastapi import HTTPException, APIRouter
+
+from ..structs.landmark import Landmark
+from ..structs.linked_landmarks import LinkedLandmarks
+from ..structs.trip import Trip
+from ..landmarks.landmarks_manager import LandmarkManager
+from ..optimization.optimizer import Optimizer
+from ..optimization.refiner import Refiner
+from ..cache import client as cache_client
+
+
+logger = logging.getLogger(__name__)
+
+
+manager = LandmarkManager()
+optimizer = Optimizer()
+refiner = Refiner(optimizer=optimizer)
+
+
+# Initialize the API router
+router = APIRouter()
+
+
+#### For already existing trips/landmarks
+@router.get("/trip/{trip_uuid}")
+def get_trip(trip_uuid: str) -> Trip:
+    """
+    Look-up the cache for a trip that has been previously generated using its identifier.
+
+    Args:
+        trip_uuid (str) : unique identifier for a trip.
+
+    Returns:
+        (Trip)          : the corresponding trip.
+    """
+    try:
+        trip = cache_client.get(f"trip_{trip_uuid}")
+        return trip
+    except KeyError as exc:
+        logger.error(f"Failed to fetch trip with UUID {trip_uuid}: {str(exc)}")
+        raise HTTPException(status_code=404, detail="Trip not found") from exc
+
+
+# Fetch a landmark from memcached by its uuid
+@router.get("/landmark/{landmark_uuid}")
+def get_landmark(landmark_uuid: str) -> Landmark:
+    """
+    Returns a Landmark from its unique identifier.
+
+    Args:
+        landmark_uuid (str) : unique identifier for a Landmark.
+
+    Returns:
+        (Landmark)          : the corresponding Landmark.
+    """
+    try:
+        landmark = cache_client.get(f"landmark_{landmark_uuid}")
+        return landmark
+    except KeyError as exc:
+        logger.error(f"Failed to fetch landmark with UUID {landmark_uuid}: {str(exc)}")
+        raise HTTPException(status_code=404, detail="Landmark not found") from exc
+
+
+# Update the times between landmarks when removing an item from the list
+@router.post("/trip/recompute-time/{trip_uuid}/{removed_landmark_uuid}")
+def update_trip_time(trip_uuid: str, removed_landmark_uuid: str) -> Trip:
+    """
+    Updates the reaching times of a given trip when removing a landmark.
+
+    Args:
+        landmark_uuid (str) : unique identifier for a Landmark.
+
+    Returns:
+        (Landmark)          : the corresponding Landmark.
+    """
+    # First, fetch the trip in the cache.
+    try:
+        trip = cache_client.get(f'trip_{trip_uuid}')
+    except KeyError as exc:
+        logger.error(f"Failed to update trip with UUID {trip_uuid} (trip not found): {str(exc)}")
+        raise HTTPException(status_code=404, detail='Trip not found') from exc
+
+    landmarks = []
+    next_uuid = trip.first_landmark_uuid
+
+    # Extract landmarks
+    try :
+        while next_uuid is not None:
+            landmark = cache_client.get(f'landmark_{next_uuid}')
+            # Filter out the removed landmark.
+            if next_uuid != removed_landmark_uuid :
+                landmarks.append(landmark)
+            next_uuid = landmark.next_uuid  # Prepare for the next iteration
+    except KeyError as exc:
+        logger.error(f"Failed to update trip with UUID {trip_uuid} : {str(exc)}")
+        raise HTTPException(status_code=404, detail=f'landmark {next_uuid} not found') from exc
+
+    # Re-link every thing and compute times again
+    linked_tour = LinkedLandmarks(landmarks)
+    trip = Trip.from_linked_landmarks(linked_tour, cache_client)
+
+    return trip
+