Silently avoid empty description and note

album_description_cache.go

@@ -134,10 +134,14 @@ func (c *AlbumDescriptionCache) fetchAndCache(ID AlbumID) (*AlbumDescription, er
 	waitSize++
 	go func() {
 		description := principal.Find(".bandeau-info p.auto-height span")
-		if description.Size() != 1 {
+		if description.Size() > 1 {
 			errors <- fmt.Errorf("Could not find a single description, found %d", description.Size())
 			return
 		}
+		if description.Size() == 0 {
+			errors <- nil
+			return
+		}
 		res.Description = description.Text()
 		errors <- nil
 	}()
@@ -150,7 +154,10 @@ func (c *AlbumDescriptionCache) fetchAndCache(ID AlbumID) (*AlbumDescription, er
 		}
 		m := noteRx.FindStringSubmatch(note.Text())
 		if m == nil {
-			errors <- fmt.Errorf("Could not parse note with regexp %s", noteRx)
+			res.Note = -1.0
+			// we simply ignore because there is most likely no note
+			errors <- nil
+			//errors <- fmt.Errorf("Could not parse note with regexp %s", noteRx)
 			return
 		}
 		noteTmp, err := strconv.ParseFloat(m[1], 64)