[tracker/multidisc-album: 11/11] tracker-extract: Make multi-disc albums work in GuPNG-DLNA extractor

[Philip Van Hoof <pvanhoof src gnome org>]

commit b4b73d6d88012f10863e4376a302f38c2dd7f987
Author: Philip Van Hoof <philip codeminded be>
Date:   Fri Dec 3 16:11:18 2010 +0100

    tracker-extract: Make multi-disc albums work in GuPNG-DLNA extractor

 src/tracker-extract/tracker-extract-gupnp-dlna.c |   39 +++++++++++++++++++---
 1 files changed, 34 insertions(+), 5 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract-gupnp-dlna.c b/src/tracker-extract/tracker-extract-gupnp-dlna.c
index 61c14a3..030cda4 100644
--- a/src/tracker-extract/tracker-extract-gupnp-dlna.c
+++ b/src/tracker-extract/tracker-extract-gupnp-dlna.c
@@ -365,6 +365,7 @@ extract_metadata (MetadataExtractor      *extractor,
 		gchar *performer_uri = NULL;
 		gchar *composer_uri = NULL;
 		gchar *album_uri = NULL;
+		gchar *album_disc_uri = NULL;
 
 		/* General */
 		if (extractor->content == CONTENT_AUDIO || extractor->content == CONTENT_VIDEO) {
@@ -485,24 +486,47 @@ extract_metadata (MetadataExtractor      *extractor,
 			                                &count);
 
 			if (has_it) {
+				album_disc_uri = tracker_sparql_escape_uri_printf ("urn:album-disc:%s/%d",
+				                                                   albumname, count);
+
+				tracker_sparql_builder_insert_open (preupdate, NULL);
+				tracker_sparql_builder_subject_iri (preupdate, album_disc_uri);
+				tracker_sparql_builder_predicate (preupdate, "a");
+				tracker_sparql_builder_object (preupdate, "nmm:MusicAlbumDisc");
+				tracker_sparql_builder_insert_close (preupdate);
+
 				tracker_sparql_builder_delete_open (preupdate, NULL);
-				tracker_sparql_builder_subject_iri (preupdate, album_uri);
+				tracker_sparql_builder_subject_iri (preupdate, album_disc_uri);
 				tracker_sparql_builder_predicate (preupdate, "nmm:setNumber");
 				tracker_sparql_builder_object_variable (preupdate, "unknown");
 				tracker_sparql_builder_delete_close (preupdate);
-
 				tracker_sparql_builder_where_open (preupdate);
-				tracker_sparql_builder_subject_iri (preupdate, album_uri);
+				tracker_sparql_builder_subject_iri (preupdate, album_disc_uri);
 				tracker_sparql_builder_predicate (preupdate, "nmm:setNumber");
 				tracker_sparql_builder_object_variable (preupdate, "unknown");
 				tracker_sparql_builder_where_close (preupdate);
 
 				tracker_sparql_builder_insert_open (preupdate, NULL);
-
-				tracker_sparql_builder_subject_iri (preupdate, album_uri);
+				tracker_sparql_builder_subject_iri (preupdate, album_disc_uri);
 				tracker_sparql_builder_predicate (preupdate, "nmm:setNumber");
 				tracker_sparql_builder_object_int64 (preupdate, count);
+				tracker_sparql_builder_insert_close (preupdate);
 
+				tracker_sparql_builder_delete_open (preupdate, NULL);
+				tracker_sparql_builder_subject_iri (preupdate, album_disc_uri);
+				tracker_sparql_builder_predicate (preupdate, "nmm:albumDiscAlbum");
+				tracker_sparql_builder_object_variable (preupdate, "unknown");
+				tracker_sparql_builder_delete_close (preupdate);
+				tracker_sparql_builder_where_open (preupdate);
+				tracker_sparql_builder_subject_iri (preupdate, album_disc_uri);
+				tracker_sparql_builder_predicate (preupdate, "nmm:albumDiscAlbum");
+				tracker_sparql_builder_object_variable (preupdate, "unknown");
+				tracker_sparql_builder_where_close (preupdate);
+
+				tracker_sparql_builder_insert_open (preupdate, NULL);
+				tracker_sparql_builder_subject_iri (preupdate, album_disc_uri);
+				tracker_sparql_builder_predicate (preupdate, "nmm:albumDiscAlbum");
+				tracker_sparql_builder_object_iri (preupdate, album_uri);
 				tracker_sparql_builder_insert_close (preupdate);
 			}
 
@@ -675,6 +699,11 @@ extract_metadata (MetadataExtractor      *extractor,
 				tracker_sparql_builder_predicate (metadata, "nmm:musicAlbum");
 				tracker_sparql_builder_object_iri (metadata, album_uri);
 			}
+
+			if (album_disc_uri) {
+				tracker_sparql_builder_predicate (metadata, "nmm:musicAlbumDisk");
+				tracker_sparql_builder_object_iri (metadata, album_disc_uri);
+			}
 		}
 
 		g_free (artist_uri);