[gnome-music] coregrilo: Update wrapper function calls

[Jean Felder <jfelder src gnome org>]

commit eb35c6e1ef0cff5e30c31e3e97e7b0cacb23da3d
Author: Chinmay Gurjar <chnmgurjar gmail com>
Date:   Wed Jun 17 20:05:29 2020 +0530

    coregrilo: Update wrapper function calls
    
    With addition of support for more sources in Music(other than tracker),
    the functions like get_artist_albums, get_album_discs and
    populate_album_disc_songs have to be updated so that each source can
    call its respective function.

 gnomemusic/coregrilo.py | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)
---
diff --git a/gnomemusic/coregrilo.py b/gnomemusic/coregrilo.py
index a7a4936e..33957878 100644
--- a/gnomemusic/coregrilo.py
+++ b/gnomemusic/coregrilo.py
@@ -160,17 +160,18 @@ class CoreGrilo(GObject.GObject):
         # FIXME: Only removes search sources atm.
         self._search_wrappers.pop(source.props.source_id, None)
 
-    def get_artist_albums(self, artist, filter_model):
-        for wrapper in self._wrappers.values():
-            wrapper.get_artist_albums(artist, filter_model)
+    def get_artist_albums(self, media, filter_model):
+        source = media.get_source()
+        self._wrappers[source].get_artist_albums(media, filter_model)
 
     def get_album_discs(self, media, disc_model):
-        for wrapper in self._wrappers.values():
-            wrapper.get_album_discs(media, disc_model)
+        source = media.get_source()
+        self._wrappers[source].get_album_discs(media, disc_model)
 
     def populate_album_disc_songs(self, media, discnr, callback):
-        for wrapper in self._wrappers.values():
-            wrapper.populate_album_disc_songs(media, discnr, callback)
+        source = media.get_source()
+        self._wrappers[source].populate_album_disc_songs(
+            media, discnr, callback)
 
     def writeback(self, media, key):
         """Store the values associated with the key.