- Moved Anilist errors to its own module and gave them status codes and messages that can propagate upstream

- Created exception handler to propagate erros

src/main.py

@@ -8,7 +8,7 @@ from fastapi import APIRouter, Depends, FastAPI, HTTPException, Request
 from seadex import EntryNotFoundError, SeaDexEntry
 from service_auth import UserId
 
-from anilist_query import AniListError, AnimeNotFoundError, MissingAnimeName, get_anime_name
+from anilist_query import get_anime_name
 from auth_config import Caller, auth
 from db_module import (
 	close_connection_pool,
@@ -16,11 +16,12 @@ from db_module import (
 	get_db,
 	start_healthcheck_thread,
 )
-from metrics_server import REQUEST_COUNTER, metrics_api
+from handlers import register_handlers
+from metrics_server import metrics_api
+from models import AnimeCreate, AnimeEntry, AnimeList
 from secret_manager import cleanup_secret_files
-from send_notifications import NotificationClient, NotificationUnavailableError, NotificationError
+from send_notifications import NotificationClient, NotificationError, NotificationUnavailableError
 from simple_logger_handler import LOG_LEVEL, setup_logger
-from models import AnimeCreate,AnimeEntry,AnimeList
 
 logger = setup_logger(__name__)
 
@@ -58,26 +59,10 @@ api = FastAPI(
 		dependencies=[Depends(auth.authenticate)],
 )
 
+register_handlers(api)
 user_router = APIRouter(dependencies=[Depends(auth.require(Caller.GATEWAY))])
 scheduler_router = APIRouter(dependencies=[Depends(auth.require(Caller.SCHEDULER))])
 
-@api.middleware("http")
-async def prometheus_middleware(request: Request, call_next):
-	logger.debug(f"[Metrics] Incoming request: {request.method} {request.url.path}")
-	status = 500
-	try:
-		response = await call_next(request)
-		status = response.status_code
-		logger.debug(f"[Metrics] Request processed with status {status}")
-	except Exception:
-		logger.exception("[Metrics] Exception occurred:")
-		raise
-	finally:
-		REQUEST_COUNTER.labels(request.method, request.url.path, status).inc()
-		logger.debug(f"[Metrics] Counter incremented for {request.method} {request.url.path} [{status}]")
-	return response
-
-
 def to_iso(dt: datetime) -> str:
 	return dt.astimezone(UTC).isoformat(timespec="microseconds")
 
@@ -175,16 +160,8 @@ def check_seadex(request:Request, db=Depends(get_db)):
 @user_router.post("/add/anime")
 def add_anime(anime: AnimeCreate, user_id: UserId, db=Depends(get_db)):
 	logger.info(f"[FastAPI] Received request to track anilist_id={anime.anilist_id}, user_id={user_id}")
- 
-	try:
-		anime_name = get_anime_name(anime.anilist_id)
-	except AnimeNotFoundError as e:
-		raise HTTPException(status_code=404, detail="Not found on AniList") from e
-	except MissingAnimeName as e:
-		raise HTTPException(status_code=404, detail="The anime exists but has no usable title") from e
-	except AniListError as e:
-		logger.exception("[FastAPI] AniList request failed")
-		raise HTTPException(status_code=502, detail="The AniList request failed") from e
+
+	anime_name = get_anime_name(anime.anilist_id)
 	logger.debug(f"[FastAPI] Found name={anime_name} for Anilist id={anime.anilist_id}")
 
 	with db.cursor() as cursor: