backend: properly catch exception in controllers so that the server does not crash

backend/src/controller/AniListController.ts

@@ -13,9 +13,9 @@ export default class AniListController {
 
       const fromApiText = await fromApi.text();
       res.status(fromApi.status).send(fromApiText);
-    } catch (e) {
-      console.error(e);
-    }
       next();
+    } catch (e) {
+      next(e);
+    }
   }
 }

backend/src/controller/MangaUpdatesController.ts

@@ -9,6 +9,7 @@ export class MangaUpdatesController {
   }
 
   async search(req: Request, res: Response, next: NextFunction): Promise<void> {
+    try {
       const bjson = req.body;
       if (bjson['stype'] !== 'title' || bjson['type'] !== 'Manga' || !bjson['search']?.trim().length) {
         res.status(400).send('Only {stype: "title", type: "Manga", search: "some title"} allowed!');
@@ -46,9 +47,13 @@ export class MangaUpdatesController {
 
       res.status(200).setHeader('Content-Type', 'application/json').send(fromApiJson);
       next('router');
+    } catch (e) {
+      next(e);
+    }
   }
 
   async getById(req: Request, res: Response, next: NextFunction): Promise<void> {
+    try {
       const id = req.params.id!.toLowerCase();
 
       const fromCache = this.cache.getSeriesById(id);
@@ -74,9 +79,13 @@ export class MangaUpdatesController {
 
       res.status(200).setHeader('Content-Type', 'application/json').send(fromApiJson);
       next();
+    } catch (e) {
+      next(e);
+    }
   }
 
   async getGroupById(req: Request, res: Response, next: NextFunction): Promise<void> {
+    try {
       const id = req.params.id!.toLowerCase();
 
       const fromCache = this.cache.getSeriesGroupsById(id);
@@ -102,6 +111,9 @@ export class MangaUpdatesController {
 
       res.status(200).setHeader('Content-Type', 'application/json').send(fromApiJson);
       next();
+    } catch (e) {
+      next(e);
+    }
   }
 
   async getSeriesIdFromWebsiteId(req: Request, res: Response, next: NextFunction): Promise<void> {