[gnome-music/wip/mschraal/core: 46/118] split disc try

[Marinus Schraal <mschraal src gnome org>]

commit f9a2e23971c935828db4d81e9521ec9a1f67bb62
Author: Marinus Schraal <mschraal gnome org>
Date:   Sat Jun 1 00:03:55 2019 +0200

    split disc try

 gnomemusic/coregrilo.py                      |  7 ++++
 gnomemusic/coremodel.py                      | 57 +++++++++++++++++++++-----
 gnomemusic/grilowrappers/grltrackersource.py | 61 ++++++++++++++++++++++++++++
 gnomemusic/widgets/albumwidget2.py           | 10 ++---
 4 files changed, 120 insertions(+), 15 deletions(-)
---
diff --git a/gnomemusic/coregrilo.py b/gnomemusic/coregrilo.py
index 9b627adf..b8d5be7e 100644
--- a/gnomemusic/coregrilo.py
+++ b/gnomemusic/coregrilo.py
@@ -53,3 +53,10 @@ class CoreGrilo(GObject.GObject):
         # FIXME: Iterate the wrappers
         print(self._tracker_source)
         return self._tracker_source.get_artist_albums(artist)
+
+    def get_album_disc_numbers(self, media):
+        return self._tracker_source.get_album_disc_numbers(media)
+
+    def populate_album_disc_songs(self, media, discnr, callback):
+        self._tracker_source.populate_album_disc_songs(
+            media, discnr, callback)
diff --git a/gnomemusic/coremodel.py b/gnomemusic/coremodel.py
index 34f92ef0..179d8239 100644
--- a/gnomemusic/coremodel.py
+++ b/gnomemusic/coremodel.py
@@ -44,33 +44,70 @@ class CoreModel(GObject.GObject):
 
     @log
     def get_album_model(self, media):
-        albums_ids = []
+        discs = self._grilo.get_album_disc_numbers(media)
+
+        disc_list = []
+        for disc in discs:
+            nr = disc.get_album_disc_number()
+            model_filter = Dazzle.ListModelFilter.new(self._model)
+            model_filter.set_filter_func(lambda a: False)
+            disc_list.append(model_filter)
+            self.get_album_disc(media, nr, model_filter)
+
+        return disc_list
+
+        # albums_ids = []
 
-        model_filter = Dazzle.ListModelFilter.new(self._model)
+        # model_filter = Dazzle.ListModelFilter.new(self._model)
         # model_filter = Gfm.FilterListModel.new(self._model)
-        model_filter.set_filter_func(lambda a: False)
-        model_sort = Gfm.SortListModel.new_for_type(CoreSong)
+        # model_filter.set_filter_func(lambda a: False)
+        # model_sort = Gfm.SortListModel.new_for_type(CoreSong)
+
+        # def _filter_func(core_song):
+        #     return core_song.props.media.get_id() in albums_ids
+
+        # def _reverse_sort(song_a, song_b, data=None):
+        #     return song_b.props.track_number - song_a.props.track_number
+
+        # def _callback(source, dunno, media, something, something2):
+        #     if media is None:
+        #         model_filter.set_filter_func(_filter_func)
+        #         model_sort.set_model(model_filter)
+        #         model_sort.set_sort_func(
+        #             self._wrap_list_store_sort_func(_reverse_sort))
+        #         return
+
+        #     albums_ids.append(media.get_id())
+
+        # For POC sake, use old grilo
+        # grilo.populate_album_songs(media, _callback)
+
+        # return model_sort
+
+    def get_album_disc(self, media, discnr, model):
+        albums_ids = []
+        model_filter = model
 
         def _filter_func(core_song):
             return core_song.props.media.get_id() in albums_ids
 
         def _reverse_sort(song_a, song_b, data=None):
-            return song_b.props.track_number - song_a.props.track_number
+            return song_a.props.track_number - song_b.props.track_number
 
         def _callback(source, dunno, media, something, something2):
             if media is None:
                 model_filter.set_filter_func(_filter_func)
-                model_sort.set_model(model_filter)
-                model_sort.set_sort_func(
-                    self._wrap_list_store_sort_func(_reverse_sort))
+                # model_sort.set_model(model_filter)
+                # model_sort.set_sort_func(
+                #     self._wrap_list_store_sort_func(_reverse_sort))
                 return
 
             albums_ids.append(media.get_id())
 
         # For POC sake, use old grilo
-        grilo.populate_album_songs(media, _callback)
+        self._grilo.populate_album_disc_songs(media, discnr, _callback)
 
-        return model_sort
+        return model_filter
 
     @log
     def get_albums_model(self):
diff --git a/gnomemusic/grilowrappers/grltrackersource.py b/gnomemusic/grilowrappers/grltrackersource.py
index 1af22b3b..61220b7c 100644
--- a/gnomemusic/grilowrappers/grltrackersource.py
+++ b/gnomemusic/grilowrappers/grltrackersource.py
@@ -252,3 +252,64 @@ class GrlTrackerSource(GObject.GObject):
         print("ALBUMS", albums)
 
         return albums
+
+    def get_album_disc_numbers(self, media):
+        album_id = media.get_id()
+        print("album id ", album_id)
+
+        query = """
+        SELECT DISTINCT
+            rdf:type(?song)
+            nmm:setNumber(nmm:musicAlbumDisc(?song)) as ?album_disc_number
+        WHERE
+        {
+            ?song a nmm:MusicPiece;
+                    nmm:musicAlbum ?album .
+            FILTER ( tracker:id(?album) = %(album_id)s )
+        }
+        """.replace('\n', ' ').strip() % {
+            'album_id': int(album_id)
+        }
+
+        options = self._fast_options.copy()
+
+        discs = self._source.query_sync(query, self.METADATA_KEYS, options)
+
+        print("DISCS", discs)
+
+        return discs
+
+    def populate_album_disc_songs(self, media, disc_nr, _callback):
+        album_id = media.get_id()
+
+        query = """
+        SELECT DISTINCT
+            rdf:type(?song)
+            ?song AS ?tracker_urn
+            tracker:id(?song) AS ?id
+            nie:url(?song) AS ?url
+            nie:title(?song) AS ?title
+            nmm:artistName(nmm:performer(?song)) AS ?artist
+            nie:title(nmm:musicAlbum(?song)) AS ?album
+            nfo:duration(?song) AS ?duration
+            nmm:trackNumber(?song) AS ?track_number
+            nmm:setNumber(nmm:musicAlbumDisc(?song)) AS ?album_disc_number
+            ?tag AS ?favourite
+            nie:usageCounter(?song) AS ?play_count
+        WHERE
+        {
+            ?song a nmm:MusicPiece ;
+                  nmm:musicAlbum ?album .
+            OPTIONAL { ?song nao:hasTag ?tag .
+                       FILTER (?tag = nao:predefined-tag-favorite) } .
+            FILTER ( tracker:id(?album) = %(album_id)s
+                     && nmm:setNumber(nmm:musicAlbumDisc(?song)) = %(disc_nr)s )
+        }
+        """.replace('\n', ' ').strip() % {
+            'album_id': album_id,
+            'disc_nr': disc_nr,
+        }
+
+        options = self._fast_options.copy()
+
+        self._source.query(query, self.METADATA_KEYS, options, _callback)
diff --git a/gnomemusic/widgets/albumwidget2.py b/gnomemusic/widgets/albumwidget2.py
index d3385279..24a4c8fe 100644
--- a/gnomemusic/widgets/albumwidget2.py
+++ b/gnomemusic/widgets/albumwidget2.py
@@ -85,7 +85,7 @@ class AlbumWidget2(Gtk.EventBox):
 
         self._album = album
         self._model = self._parent_view._window._app._coremodel.get_album_model(album)
-        self._listbox.bind_model(self._model, self._create_widget)
+        self._listbox.bind_model(self._model[0], self._create_widget)
 
     @log
     def _create_widget(self, song):
@@ -126,7 +126,7 @@ class AlbumWidget2(Gtk.EventBox):
     @log
     def _set_duration_label(self):
         total_duration = 0
-        for song in self._model:
+        for song in self._model[0]:
             total_duration += song.props.duration
 
         mins = (total_duration // 60) + 1
@@ -150,9 +150,9 @@ class AlbumWidget2(Gtk.EventBox):
             GObject.TYPE_INT
         )
 
-        for song in self._model:
+        for song in self._model[0]:
             _iter = old_model.insert_with_valuesv(-1, [5], [song.props.media])
-            if song is self._model[listboxrow.get_index()]:
+            if song is self._model[0][listboxrow.get_index()]:
                 activated_iter = _iter
                 listboxrow.get_child().props.state = SongWidget.State.PLAYING
 
@@ -164,7 +164,7 @@ class AlbumWidget2(Gtk.EventBox):
     @log
     def _on_selection_changed(self, klass, value):
         n_items = 0
-        for song in self._model:
+        for song in self._model[0]:
             if song.props.selected:
                 n_items += 1