Get last added album improved

- Take number of month
- Extract method to treat bucket

dashboard/src/app/dashboard.component.ts

@@ -61,22 +61,31 @@ export class DashboardComponent implements OnInit {
     this.elsService.getGenres('asc').subscribe(data => this.bottomGenres = data);
     // this.elsService.getGenreCount().subscribe(data => console.log(data));
 
-    this.elsService.getLastAddedAlbums().subscribe(buckets => {
+    this.elsService.getLastAddedAlbums(6).subscribe(buckets => {
       this.lastAddedAlbums = buckets;
-      buckets.forEach(bucket => {
-        this.elsService.getArtistFromAlbumName(bucket.key).subscribe(data => {
-          if (data.length > 1) {
-            data.forEach(album => {
-              if (album['Track Count'] === bucket.doc_count) {
-                console.log(album.Artist.toString());
-                this.albumArtists[album.Name] = album.Artist.toString();
-              }
-            });
-          } else {
-            this.albumArtists[data[0].Name] = data[0].Artist.toString();
+      buckets.forEach(bucket => this.getArtistName(bucket));
+    });
+  }
+
+  private getArtistName(albumBucket: Bucket) {
+    // For each bucket.key (album name), search artist.
+    // Use track count to compare
+    this.elsService.getArtistFromAlbumName(albumBucket.key).subscribe(albums => {
+      if (albums.length > 1) {
+        // More than one result for an album name
+        // Search good artist by track count
+        albums.forEach(album => {
+          if (album['Track Count'] === albumBucket.doc_count) {
+            this.albumArtists[album.Name] = album.Artist.toString();
           }
         });
-      });
+      } else {
+        // Just one artistresult for album name
+        this.albumArtists[albums[0].Name] = albums[0].Artist.toString();
+      }
+      if (this.albumArtists[albums[0].Name].length > 50) {
+        this.albumArtists[albums[0].Name] = this.albumArtists[albums[0].Name].substring(0, 50) + '...';
+      }
     });
   }
 

dashboard/src/app/els.service.ts

@@ -270,14 +270,14 @@ export class ElsService {
       .map(res => res.json().aggregations.genres.value);
   }
 
-  getLastAddedAlbums(): Observable<Bucket[]> {
+  getLastAddedAlbums(month: number): Observable<Bucket[]> {
     return this.http
       .post(this.elsUrl + 'song' + ElsService.ACTION_SEARCH,
             JSON.stringify({
               'query': {
                   'range' : {
                       'Date Added' : {
-                          'gte' : 'now-6M/d',
+                          'gte' : 'now-' + month + 'M/d',
                           'lte' : 'now/d'
                       }
                   }
@@ -286,7 +286,7 @@ export class ElsService {
                   'album' : {
                       'terms' : {
                           'field' : 'Album.original',
-                          'size': 5
+                          'size': 10
                       }
                   }
               },