Little improve service (code style)

dashboard/src/app/els.service.ts

@@ -118,7 +118,8 @@ export class ElsService {
     console.debug("getArtistSongs- Artist name: " + artistName + " - from: " + from);
     return this.http
       .post(this.elsUrl + "song/_search",
-            JSON.stringify({
+            JSON.stringify(
+            {
               "query": {
                   "bool": {
                       "should": [
@@ -129,7 +130,7 @@ export class ElsService {
               },
               "size": ElsService.DEFAULT_SIZE,
               "from": from
-              }),
+            }),
             {headers: this.headers})
       .map(res => {
         return res.json().hits.hits;
@@ -157,7 +158,7 @@ export class ElsService {
           return undefined;
         }
         if (hits.length > 1) {
-          console.error('More than one album "' + albumName + '" found, return the first.');
+          console.error('More than one album "' + albumName + '" found (' + hits.length + '), return the first.');
         }
         return hits[0]._source;
       });
@@ -172,12 +173,13 @@ export class ElsService {
       .map((hits: Array<any>) => {
         // Theorically, my script prevent to found two documents with this query.
         // But Prevention is better than cure as Shakespeare said
+        console.log(hits.length);
         if (hits.length < 1) {
           console.info('No artist "' + artistName + '" found.');
           return undefined;
         }
         if (hits.length > 1) {
-          console.error('More than one artist "' + artistName + '" found, return the first.');
+          console.error('More than one artist "' + artistName + '" found (' + hits.length + '), return the first.');
           console.error('This is not normal!')
         }
         return hits[0]._source;