[gnome-music/wip/jfelder/songeditor-gtk4: 59/76] grltrackerwrapper: Retrieve musicbrainz release group id for songs

[Jean Felder <jfelder src gnome org>]

commit b6321e8b45a7a20b3a2f2f599659539de201ba6b
Author: Jean Felder <jfelder src gnome org>
Date:   Wed Jul 29 14:13:04 2020 +0200

    grltrackerwrapper: Retrieve musicbrainz release group id for songs

 gnomemusic/grilowrappers/grltrackerwrapper.py | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)
---
diff --git a/gnomemusic/grilowrappers/grltrackerwrapper.py b/gnomemusic/grilowrappers/grltrackerwrapper.py
index 7cb32935e..033a68dd6 100644
--- a/gnomemusic/grilowrappers/grltrackerwrapper.py
+++ b/gnomemusic/grilowrappers/grltrackerwrapper.py
@@ -72,6 +72,7 @@ class GrlTrackerWrapper(GObject.GObject):
         Grl.METADATA_KEY_ID,
         Grl.METADATA_KEY_MB_ARTIST_ID,
         Grl.METADATA_KEY_MB_RECORDING_ID,
+        Grl.METADATA_KEY_MB_RELEASE_GROUP_ID,
         Grl.METADATA_KEY_MB_RELEASE_ID,
         Grl.METADATA_KEY_MB_TRACK_ID,
         Grl.METADATA_KEY_PLAY_COUNT,
@@ -430,7 +431,7 @@ class GrlTrackerWrapper(GObject.GObject):
         query = " ".join(f"""
         SELECT
             ?type ?urn ?title ?id ?mbRecording ?mbTrack ?url
-            ?artist ?mbArtist ?album ?mbRelease
+            ?artist ?mbArtist ?album ?mbRelease ?mbReleaseGroup
             ?albumArtist ?duration ?trackNumber
             ?albumDiscNumber ?publicationDate
             nie:usageCounter(?urn) AS ?playCount
@@ -451,6 +452,8 @@ class GrlTrackerWrapper(GObject.GObject):
                         tracker:referenceIdentifier(?artist_id) AS ?mbArtist
                         nie:title(nmm:musicAlbum(?song)) AS ?album
                         tracker:referenceIdentifier(?release_id) AS ?mbRelease
+                        tracker:referenceIdentifier(?release_group_id)
+                            AS ?mbReleaseGroup
                         ?album_artist AS ?albumArtist
                         nfo:duration(?song) AS ?duration
                         nmm:trackNumber(?song) AS ?trackNumber
@@ -475,6 +478,13 @@ class GrlTrackerWrapper(GObject.GObject):
                             ?release_id tracker:referenceSource
                                 "https://musicbrainz.org/doc/Release"; .
                         }}
+                        OPTIONAL {{
+                            ?song nmm:musicAlbum ?album .
+                            ?album tracker:hasExternalReference
+                                ?release_group_id .
+                            ?release_id tracker:referenceSource
+                                "https://musicbrainz.org/doc/Release_Group"; .
+                        }}
                         OPTIONAL {{
                             ?song nmm:artist ?artist .
                             ?artist tracker:hasExternalReference ?artist_id .
@@ -846,7 +856,7 @@ class GrlTrackerWrapper(GObject.GObject):
         query = """
         SELECT
             ?type ?id ?mbRecording ?mbTrack ?url ?title
-            ?artist ?mbArtist ?album ?mbRelease
+            ?artist ?mbArtist ?album ?mbRelease ?mbReleaseGroup
             ?albumArtist ?duration ?trackNumber ?albumDiscNumber
             ?publicationDate
             nie:usageCounter(?id) AS ?playCount
@@ -866,6 +876,8 @@ class GrlTrackerWrapper(GObject.GObject):
                         tracker:referenceIdentifier(?artist_id) AS ?mbArtist
                         nie:title(nmm:musicAlbum(?song)) AS ?album
                         tracker:referenceIdentifier(?release_id) AS ?mbRelease
+                        tracker:referenceIdentifier(?release_group_id)
+                            AS ?mbReleaseGroup
                         ?album_artist AS ?albumArtist
                         nfo:duration(?song) AS ?duration
                         nmm:trackNumber(?song) AS ?trackNumber
@@ -893,6 +905,12 @@ class GrlTrackerWrapper(GObject.GObject):
                             ?release_id tracker:referenceSource
                                 "https://musicbrainz.org/doc/Release"; .
                         }
+                        OPTIONAL {
+                            ?album tracker:hasExternalReference
+                                ?release_group_id .
+                            ?release_group_id tracker:referenceSource
+                                "https://musicbrainz.org/doc/Release_Group"; .
+                        }
                         OPTIONAL {
                             ?song nmm:artist ?artist .
                             ?artist tracker:hasExternalReference ?artist_id .