better logs

backend/src/landmarks/cluster_manager.py

@@ -103,7 +103,7 @@ class ClusterManager:
             out = out
         )
         except Exception as e:
-            self.logger.error(f"Error fetching clusters: {e}")
+            self.logger.warning(f"Error fetching clusters: {e}")
 
         if result is None :
             self.logger.debug(f"Found no {cluster_type} clusters, overpass query returned no datapoints.")
@@ -242,11 +242,11 @@ class ClusterManager:
                                                   out = 'ids center tags'
                                                   )
             except Exception as e:
-                self.logger.error(f"Error fetching clusters: {e}")
+                self.logger.warning(f"Error fetching clusters: {e}")
                 continue
 
             if result is None :
-                self.logger.error(f"Error fetching clusters: {e}")
+                self.logger.warning(f"Error fetching clusters: query result is None")
                 continue
 
             for elem in result:

backend/src/landmarks/landmarks_manager.py

@@ -197,7 +197,7 @@ class LandmarkManager:
                     out = 'ids center tags'
                     )
             except Exception as e:
-                self.logger.error(f"Error fetching landmarks: {str(e)}")
+                self.logger.warning(f"Error fetching landmarks: {str(e)}")
                 continue
 
             return_list += self._to_landmarks(result, landmarktype, preference_level)

backend/src/main.py

@@ -114,6 +114,7 @@ def new_trip(preferences: Preferences,
     try:
         base_tour = optimizer.solve_optimization(preferences.max_time_minute, landmarks_short)
     except Exception as exc:
+        logger.error(f"Trip generation failed: {str(exc)}")
         raise HTTPException(status_code=500, detail=f"Optimization failed: {str(exc)}") from exc
 
     t_first_stage = time.time() - start_time
@@ -126,9 +127,10 @@ def new_trip(preferences: Preferences,
                                                preferences.max_time_minute,
                                                preferences.detour_tolerance_minute)
     except TimeoutError as te :
-        logger.error(f'Refiner failed : {str(te)} Using base tour.')
+        logger.warning(f'Refiner failed : {str(te)} Using base tour.')
         refined_tour = base_tour
     except Exception as exc :
+        logger.error(f"Trip generation failed: {str(exc)}")
         raise HTTPException(status_code=500, detail=f"An unexpected error occurred: {str(exc)}") from exc
 
     t_second_stage = time.time() - start_time
@@ -164,6 +166,7 @@ def get_trip(trip_uuid: str) -> Trip:
         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
 
 
@@ -182,6 +185,7 @@ def get_landmark(landmark_uuid: str) -> Landmark:
         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
 
 
@@ -200,6 +204,7 @@ def update_trip_time(trip_uuid: str, removed_landmark_uuid: str) -> Trip:
     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 = []
@@ -214,6 +219,7 @@ def update_trip_time(trip_uuid: str, removed_landmark_uuid: str) -> Trip:
                 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

backend/src/optimization/optimizer.py

@@ -597,7 +597,7 @@ class Optimizer:
 
         # Raise error if no solution is found. FIXME: for now this throws the internal server error
         if status != 'Optimal' :
-            self.logger.error("The problem is overconstrained, no solution on first try.")
+            self.logger.warning("The problem is overconstrained, no solution on first try.")
             raise ArithmeticError("No solution could be found. Please try again with more time or different preferences.")
 
         # If there is a solution, we're good to go, just check for connectiveness
@@ -607,7 +607,7 @@ class Optimizer:
         while circles is not None :
             i += 1
             if i == self.max_iter :
-                self.logger.error(f'Timeout: No solution found after {self.max_iter} iterations.')
+                self.logger.warning(f'Timeout: No solution found after {self.max_iter} iterations.')
                 raise TimeoutError(f"Optimization took too long. No solution found after {self.max_iter} iterations.")
 
             for circle in circles :
@@ -617,12 +617,13 @@ class Optimizer:
             try :
                 prob.solve(pl.PULP_CBC_CMD(msg=False, timeLimit=self.time_limit, gapRel=self.gap_rel))
             except Exception as exc :
+                self.logger.warning("No solution found: {str(exc)")
                 raise Exception(f"No solution found: {str(exc)}") from exc
 
             solution = [pl.value(var) for var in x]
 
             if pl.LpStatus[prob.status] != 'Optimal' :
-                self.logger.error("The problem is overconstrained, no solution after {i} cycles.")
+                self.logger.warning("The problem is overconstrained, no solution after {i} cycles.")
                 raise ArithmeticError("No solution could be found. Please try again with more time or different preferences.")
 
             circles = self.is_connected(solution)

backend/src/overpass/overpass.py

@@ -95,9 +95,10 @@ class Overpass :
                 return elements
 
         except urllib.error.URLError as e:
-            self.logger.error(f"Error connecting to Overpass API: {str(exc)}")
-            raise ConnectionError(f"Error connecting to Overpass API: {str(exc)}") from e
+            self.logger.error(f"Error connecting to Overpass API: {str(e)}")
+            raise ConnectionError(f"Error connecting to Overpass API: {str(e)}") from e
         except Exception as exc :
+            self.logger.error(f"unexpected error while fetching data from Overpass: {str(exc)}")
             raise Exception(f'An unexpected error occured: {str(exc)}') from exc
 
 
@@ -121,7 +122,7 @@ class Overpass :
                 self.caching_strategy.set(cache_key, elements)
                 self.logger.debug(f'Cache set for {cache_key}')
         except urllib.error.URLError as e:
-            raise ConnectionError(f"Error connecting to Overpass API: {e}") from e
+            raise ConnectionError(f"Error connecting to Overpass API: {str(e)}") from e
         except Exception as exc :
             raise Exception(f'An unexpected error occured: {str(exc)}') from exc
 

backend/src/tests/test_utils.py

@@ -38,7 +38,7 @@ def fetch_landmark(landmark_uuid: str):
     try:
         landmark = cache_client.get(f'landmark_{landmark_uuid}')
         if not landmark :
-            logger.warning(f'Cache miss for landmark UUID: {landmark_uuid}')
+            logger.error(f'Cache miss for landmark UUID: {landmark_uuid}')
             raise HTTPException(status_code=404, detail=f'Landmark with UUID {landmark_uuid} not found in cache.')
 
         # Validate that the fetched data is a dictionary

backend/src/toilets/toilets_manager.py

@@ -65,7 +65,7 @@ class ToiletsManager:
         try:
             result = self.overpass.fetch_data_from_api(query_str=query)
         except Exception as e:
-            self.logger.error(f"Error fetching landmarks: {e}")
+            self.logger.error(f"Error fetching toilets: {e}")
             return None
 
         toilets_list = self.to_toilets(result)