[gnome-music/wip/mschraal/tageditor-13feb2020: 50/53] utils: Add fields to getters mapping

[Marinus Schraal <mschraal src gnome org>]

commit 0bc01efbc4cdb5e3b1d7c7a836d90c0676d3b84d
Author: Sumaid Syed <sumaidsyed gmail com>
Date:   Fri Aug 16 16:09:49 2019 +0530

    utils: Add fields to getters mapping
    
    Add a dictionary which allows iterating over
    different getters and filling corresponding entries
    or suggestions in tageditor.

 gnomemusic/utils.py | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/gnomemusic/utils.py b/gnomemusic/utils.py
index 65b68718..4217e175 100644
--- a/gnomemusic/utils.py
+++ b/gnomemusic/utils.py
@@ -222,3 +222,13 @@ def wrap_list_store_sort_func(func):
         return func(a, b, *user_data)
 
     return wrap
+
+
+fields_getter = {
+    "album": get_album_title,
+    "artist": get_song_artist,
+    "disc": get_album_disc_nr,
+    "title": get_media_title,
+    "track": get_media_track_nr,
+    "year": get_media_year
+}