Artists of recordings

fetcher/medium.py

@@ -534,17 +534,36 @@ def get_release_of_recording(mbid, limit, page):
     }
 
 
-def get_artist_of_recording(mbid, limit, page):
+def get_artist_of_recording(mbid):
     """Obtiene el artista de una grabacion"""
-    mb_artists = mb.browse_artists(params={'recording': mbid}, limit=limit,
-                                   offset=limit * (page - 1))
+    _log.info('Obteniendo el artista de la recording %s', mbid)
 
-    if 'error' in mb_artists:
-        return mb_artists
+    artist = None
+
+    with get_redis_connection() as redis:
+        _log.debug('Intentando obtener el artista de la recording %s desde redis', mbid)
+        artist_key = f'recording:{mbid}:artist'
+        if artist_key in redis:
+            _log.debug('Se encontro el artista de la recording %s en redis', mbid)
+            artist = get_artist(redis.get(artist_key))
+        else:
+            _log.debug('El artista de la recording %s no estaba en redis', mbid)
+
+    if artist is None:
+        _log.debug('Obteniendo el artista de la recording %s desde musicbrainz', mbid)
+        mb_artist_browse = mb.browse_artists(params={'recording': mbid},
+                                             includes=['tags'],
+                                             limit=1, offset=0)
+
+        if 'error' in mb_artist_browse:
+            _log.debug('Erro al obtener artista %s', mb_artist_browse)
+            return mb_artist_browse
+
+        artist = mb_artist_browse.get('artists')[0]
+        jobs.load_artist_on_cache.delay(artist.get('id'))
 
     return {
-        'paginate': paginate(mb_artists.get('artist_count', 0), limit, page),
-        'artists': [map_artist(artist) for artist in mb_artists['artists']]
+        'artist': artist
     }