✨ Add likedFeeds property to User model and implement likes functionality

Author: marcode24

src/app/core/models/user.model.ts

@@ -11,5 +11,6 @@ export class User {
     public subscriptions?: string[],
     public readFeeds?: string[],
     public savedFeeds?: string[],
+    public likedFeeds?: string[],
   ) {}
 }

src/app/core/services/feed.service.ts

@@ -67,15 +67,16 @@ export class FeedService {
 
   public mapInUserResource(feeds: Feed[] | Feed): Feed[] | Feed {
     const userActive = this.authService.getUserActive();
-    if(userActive) {
-      const { savedFeeds } = userActive;
-      if(Array.isArray(feeds)) {
-        feeds.map(feed => feed.inUser = savedFeeds?.includes(feed._id));
-      } else {
-        feeds.inUser = savedFeeds?.includes(feeds._id);
-      }
+    if (userActive) {
+      const { savedFeeds, likedFeeds } = userActive;
+      const mapFeed = (feed: Feed): Feed => {
+          feed.inUser = savedFeeds?.includes(feed._id) || false;
+          feed.liked = likedFeeds?.includes(feed._id) || false;
+          feed.likes = feed.likes ?? 0;
+          return feed;
+      };
+      Array.isArray(feeds) ? feeds.forEach(mapFeed) : feeds = mapFeed(feeds);
     }
     return feeds;
   }
-
 }

src/app/shared/news-container/news-container.component.ts

@@ -56,8 +56,9 @@ export class NewsContainerComponent implements OnInit {
         }
         if(option === 'liked' && feed._id === idFeed) {
           feed.liked = !feed.liked;
-          feed.liked ? feed.likes++ : feed.likes--;
+          feed.likes += feed.liked ? 1 : -1;
         }
+        return feed;
       });
     });
   }