Updated delete path for the new table layout

src/main.py

@@ -18,7 +18,7 @@ from db_module import (
 )
 from handlers import register_handlers
 from metrics_server import metrics_api
-from models import AnimeCreate, AnimeEntry, AnimeList
+from models import AnimeCreate, AnimeEntry, AnimeList, AnimeRemove
 from secret_manager import cleanup_secret_files
 from send_notifications import NotificationClient, NotificationError, NotificationUnavailableError
 from simple_logger_handler import LOG_LEVEL, setup_logger
@@ -104,7 +104,7 @@ def check_seadex(request:Request, db=Depends(get_db)):
 				logger.info(f"[FastAPI] Anime: {anime_name} updated, Anilist ID: {anilist_id}")
 				with db.cursor() as cursor:
 					cursor.execute(
-						"SELECT user_id, anime_name as custom_name "
+						"SELECT user_id, custom_name "
 						"FROM seadex_state_subscriptions "
 						"WHERE seadex_state_id = %s AND active = 1",
 						(seadex_state_id,),
@@ -215,39 +215,63 @@ def add_anime(
 	return {"status": "ok", "detail": f"Tracking name={anime.custom_name or anime_name}, Anilist ID={anime.anilist_id}"}
 
 @user_router.post("/delete/anime")
-def remove_anime(anime: AnimeCreate, user_id: UserId, db=Depends(get_db)):
-	logger.info(f"[FastAPI] Received request to deactivate tracking for anilist_id={anime.anilist_id}, user_id={user_id}")
+def remove_anime(
+	anime: AnimeRemove,
+	user_id: UserId,
+	db=Depends(get_db)
+):
+	logger.info(
+		"[FastAPI] Received request to deactivate anilist_id=%s for user_id=%s",
+		anime.anilist_id, user_id,
+	)
 	with db.cursor() as cursor:
 			try:
 				cursor.execute(
-					"SELECT active FROM seadex_state WHERE anilist_id = %s AND user_id = %s",
-					(anime.anilist_id, user_id),
+					"SELECT id FROM seadex_state "
+					"WHERE anilist_id = %s FOR UPDATE",
+					(anime.anilist_id,),
 				)
-				row = cursor.fetchone()
-				if row and row[0]:
-					cursor.execute(
-						"UPDATE seadex_state SET active = 0 "
-						"WHERE anilist_id = %s AND user_id = %s",
-						(anime.anilist_id, user_id),
-					)
-					db.commit()
-					logger.debug(f"[FastAPI] Successfully deactivated tracking for anilist_id={anime.anilist_id}, user_id={user_id}")
-					return {
-						"status": "ok",
-						"detail": f"Deactivated entry {anime.anilist_id}",
-					}
+				known = cursor.fetchone()
 
+				if known is None:
+					db.rollback()
+					logger.info("[FastAPI] Anime anilist_id=%s is not tracked, nothing to do", anime.anilist_id)
+					return {"status": "ok", "detail": f"Stopped tracking Anilist ID={anime.anilist_id}"}
+
+				seadex_state_id = known[0]
+				cursor.execute(
+					"UPDATE seadex_state_subscriptions SET active = 0 "
+					"WHERE user_id = %s AND seadex_state_id = %s",
+					(user_id, seadex_state_id),
+				)
+
+				cursor.execute(
+					"SELECT 1 from seadex_state_subscriptions "
+					"WHERE seadex_state_id = %s AND active = 1 LIMIT 1",
+					(seadex_state_id,),
+				)
+
+				if cursor.fetchone() is None:
+					cursor.execute(
+						"UPDATE seadex_state SET active = 0 WHERE id = %s",
+						(seadex_state_id,),
+					)
+					logger.info("[FastAPI] No active subscribers left, deactivated state_id=%s", seadex_state_id)
+
+				db.commit()
 			except Exception as e:
 				db.rollback()
-				logger.exception(f"[FastAPI] Failed removeing tracking for id={anime.anilist_id}, user_id={user_id}")
+				logger.exception(
+					"[FastAPI] Failed to unsubscribe anime anilist_id=%s for user_id=%s",
+					anime.anilist_id, user_id,
+				)
 				raise HTTPException(status_code=500) from e
 
-	if row is None:
-		logger.debug(f"[FastAPI] No tracked entry for anilist_id={anime.anilist_id}, user_id={user_id}")
-		raise HTTPException(status_code=404, detail="No tracked entry for this AniList ID")
-	if not row[0]:
-		logger.debug(f"[FastAPI] Tracking was already deactivated for anilist_id={anime.anilist_id}, user_id={user_id}")
-		return {"status": "ok", "detail": f"Entry {anime.anilist_id} was already inactive"}
+	logger.info(
+		"[FastAPI] Successfully deactivated tracking for anilist_id=%s for user_id=%s",
+		anime.anilist_id, user_id,
+	)
+	return {"status": "ok", "detail": f"Stopped tracking Anilist ID={anime.anilist_id}"}
 
 @user_router.get("/list/anime", response_model=AnimeList)
 def list_active_and_inactive_anime(user_id: UserId, db=Depends(get_db)):