fix: fix crash on update and delete already removed meetup

Author: ShGKme

package.json

@@ -1,6 +1,6 @@
 {
   "name": "course-vue-backend",
-  "version": "1.3.1",
+  "version": "1.3.3",
   "description": "API backend for learn.javascript.ru VueJS Course",
   "author": "Grigorii K. Shartsev <me@shgk.me>",
   "private": true,

src/main.ts

@@ -35,7 +35,7 @@ async function bootstrap() {
 
   const options = new DocumentBuilder()
     .setTitle('Meetups API')
-    .setVersion('1.3.1')
+    .setVersion('1.3.3')
     .addSecurity('cookie-session', {
       type: 'apiKey',
       in: 'cookie',

src/meetups/meetups.service.ts

@@ -97,6 +97,9 @@ export class MeetupsService {
     this.em.merge(organizer);
     // TODO: not the best solution and not dry
     const meetup = await this.meetupsRepository.findOne(meetupId, ['agenda']);
+    if (!meetup) {
+      throw new NotFoundException();
+    }
     meetup.title = newMeetup.title;
     meetup.description = newMeetup.description;
     meetup.place = newMeetup.place;
@@ -126,7 +129,9 @@ export class MeetupsService {
       'participants',
       'image',
     ]);
-    return this.meetupsRepository.removeAndFlush(meetup);
+    if (meetup) {
+      return this.meetupsRepository.removeAndFlush(meetup);
+    }
   }
 
   async attendMeetup(meetupId: number, user: UserEntity) {