[gnome-music/wip/mschraal/tageditor-13feb2020: 28/41] grltrackerwrapper: Retrieve musicbrainz release id for songs

[Marinus Schraal <mschraal src gnome org>]

commit 09c45ea6fcc05485b1f57ab288f01019344b8ea9
Author: Jean Felder <jfelder src gnome org>
Date:   Fri Jan 24 02:43:05 2020 +0100

    grltrackerwrapper: Retrieve musicbrainz release id for songs

 gnomemusic/grilowrappers/grltrackerwrapper.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
---
diff --git a/gnomemusic/grilowrappers/grltrackerwrapper.py b/gnomemusic/grilowrappers/grltrackerwrapper.py
index 3f5df737..16c83017 100644
--- a/gnomemusic/grilowrappers/grltrackerwrapper.py
+++ b/gnomemusic/grilowrappers/grltrackerwrapper.py
@@ -51,6 +51,7 @@ 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_ID,
         Grl.METADATA_KEY_MB_TRACK_ID,
         Grl.METADATA_KEY_PLAY_COUNT,
         Grl.METADATA_KEY_THUMBNAIL,
@@ -311,6 +312,7 @@ class GrlTrackerWrapper(GObject.GObject):
             nmm:artistName(nmm:performer(?song)) AS ?artist
             tracker:referenceIdentifier(?artist_id) AS ?mb_artist_id
             nie:title(nmm:musicAlbum(?song)) AS ?album
+            tracker:referenceIdentifier(?release_id) AS ?mb_release_id
             ?album_artist AS ?album_artist
             nfo:duration(?song) AS ?duration
             nie:usageCounter(?song) AS ?play_count
@@ -335,6 +337,12 @@ class GrlTrackerWrapper(GObject.GObject):
                 ?song nmm:musicAlbum ?album .
                 ?album nmm:albumArtist/nmm:artistName ?album_artist .
             }
+            OPTIONAL {
+                ?song nmm:musicAlbum ?album .
+                ?album tracker:hasExternalReference ?release_id .
+                ?release_id tracker:referenceSource
+                    "https://musicbrainz.org/doc/Release"; .
+            }
             OPTIONAL {
                 ?song nmm:performer ?artist .
                 ?artist tracker:hasExternalReference ?artist_id .
@@ -417,6 +425,7 @@ class GrlTrackerWrapper(GObject.GObject):
             nmm:artistName(nmm:performer(?song)) AS ?artist
             tracker:referenceIdentifier(?artist_id) AS ?mb_artist_id
             nie:title(nmm:musicAlbum(?song)) AS ?album
+            tracker:referenceIdentifier(?release_id) AS ?mb_release_id
             ?album_artist AS ?album_artist
             nfo:duration(?song) AS ?duration
             nie:usageCounter(?song) AS ?play_count
@@ -441,6 +450,12 @@ class GrlTrackerWrapper(GObject.GObject):
                 ?song nmm:musicAlbum ?album .
                 ?album nmm:albumArtist/nmm:artistName ?album_artist .
             }
+            OPTIONAL {
+                ?song nmm:musicAlbum ?album .
+                ?album tracker:hasExternalReference ?release_id .
+                ?release_id tracker:referenceSource
+                    "https://musicbrainz.org/doc/Release"; .
+            }
             OPTIONAL {
                 ?song nmm:performer ?artist .
                 ?artist tracker:hasExternalReference ?artist_id .
@@ -694,6 +709,7 @@ class GrlTrackerWrapper(GObject.GObject):
             nmm:artistName(nmm:performer(?song)) AS ?artist
             tracker:referenceIdentifier(?artist_id) AS ?mb_artist_id
             nie:title(nmm:musicAlbum(?song)) AS ?album
+            tracker:referenceIdentifier(?release_id) AS ?mb_release_id
             ?album_artist AS ?album_artist
             nfo:duration(?song) AS ?duration
             nmm:trackNumber(?song) AS ?track_number
@@ -716,6 +732,11 @@ class GrlTrackerWrapper(GObject.GObject):
                     "https://musicbrainz.org/doc/Track"; .
             }
             OPTIONAL { ?album nmm:albumArtist/nmm:artistName ?album_artist . }
+            OPTIONAL {
+                ?album tracker:hasExternalReference ?release_id .
+                ?release_id tracker:referenceSource
+                    "https://musicbrainz.org/doc/Release"; .
+            }
             OPTIONAL {
                 ?song nmm:performer ?artist .
                 ?artist tracker:hasExternalReference ?artist_id .