tracker3: Add a getter for the property path/subselect for a metadata key

We match by GrlTypeFilter, so it's easy to discard those that don't apply.

2 files changed, 108 insertions, 39 deletions

diff --git a/src/tracker3/grl-tracker-utils.c b/src/tracker3/grl-tracker-utils.c
index 74ccc62..6bd8606 100644
--- a/src/tracker3/grl-tracker-utils.c
+++ b/src/tracker3/grl-tracker-utils.c
@@ -152,11 +152,12 @@ set_int_metadata_keys (TrackerSparqlCursor *cursor,
 }
 
 static tracker_grl_sparql_t *
-insert_key_mapping (GrlKeyID     grl_key,
-                    const gchar *sparql_var_name,
-                    const gchar *sparql_key_attr,
-                    const gchar *sparql_key_attr_call,
-                    const gchar *sparql_key_flavor)
+insert_key_mapping (GrlKeyID       grl_key,
+                    const gchar   *sparql_var_name,
+                    const gchar   *sparql_key_attr,
+                    const gchar   *sparql_key_attr_call,
+                    const gchar   *sparql_key_flavor,
+                    GrlTypeFilter  filter)
 {
   tracker_grl_sparql_t *assoc;
   GList *assoc_list;
@@ -177,6 +178,7 @@ insert_key_mapping (GrlKeyID     grl_key,
   assoc->sparql_key_attr       = sparql_key_attr;
   assoc->sparql_key_attr_call  = sparql_key_attr_call;
   assoc->sparql_key_flavor     = sparql_key_flavor;
+  assoc->filter                = filter;
 
   assoc_list = g_list_append (assoc_list, assoc);
 
@@ -211,6 +213,7 @@ insert_key_mapping_with_setter (GrlKeyID                       grl_key,
                                 const gchar                   *sparql_key_attr,
                                 const gchar                   *sparql_key_attr_call,
                                 const gchar                   *sparql_key_flavor,
+                                GrlTypeFilter                  filter,
                                 tracker_grl_sparql_setter_cb_t setter)
 {
   tracker_grl_sparql_t *assoc;
@@ -219,7 +222,8 @@ insert_key_mapping_with_setter (GrlKeyID                       grl_key,
                               sparql_var_name,
                               sparql_key_attr,
                               sparql_key_attr_call,
-                              sparql_key_flavor);
+                              sparql_key_flavor,
+                              filter);
 
   assoc->set_value = setter;
 
@@ -248,110 +252,128 @@ grl_tracker_setup_key_mappings (void)
                       "urn",
                       NULL,
                       "?urn",
-                      "file");
+                      "file",
+                      GRL_TYPE_FILTER_ALL);
 
   insert_key_mapping (GRL_METADATA_KEY_ALBUM,
                       "album",
                       NULL,
                       "nie:title(nmm:musicAlbum(?urn))",
-                      "audio");
+                      "audio",
+                      GRL_TYPE_FILTER_AUDIO);
 
   insert_key_mapping (GRL_METADATA_KEY_ALBUM_DISC_NUMBER,
                       "albumDiscNumber",
                       NULL,
                       "nmm:setNumber(nmm:musicAlbumDisc(?urn))",
-                      "audio");
+                      "audio",
+                      GRL_TYPE_FILTER_AUDIO);
 
   insert_key_mapping (GRL_METADATA_KEY_ARTIST,
                       "artist",
                       NULL,
                       "nmm:artistName(nmm:performer(?urn))",
-                      "audio");
+                      "audio",
+                      GRL_TYPE_FILTER_AUDIO);
 
   insert_key_mapping (GRL_METADATA_KEY_ALBUM_ARTIST,
                       "albumArtist",
                       NULL,
                       "nmm:artistName(nmm:albumArtist(nmm:musicAlbum(?urn)))",
-                      "audio");
+                      "audio",
+                      GRL_TYPE_FILTER_AUDIO);
 
   insert_key_mapping (GRL_METADATA_KEY_AUTHOR,
                       "author",
                       NULL,
                       "nmm:artistName(nmm:performer(?urn))",
-                      "audio");
+                      "audio",
+                      GRL_TYPE_FILTER_AUDIO);
 
   insert_key_mapping (GRL_METADATA_KEY_BITRATE,
                       "bitrate",
                       "nfo:averageBitrate",
                       "nfo:averageBitrate(?urn)",
-                      "audio");
+                      "audio",
+                      GRL_TYPE_FILTER_AUDIO | GRL_TYPE_FILTER_VIDEO);
 
   insert_key_mapping (GRL_METADATA_KEY_CHILDCOUNT,
                       "childCount",
                       "nfo:entryCounter",
                       "nfo:entryCounter(?urn)",
-                      "directory");
+                      "directory",
+                      GRL_TYPE_FILTER_ALL);
 
   insert_key_mapping (GRL_METADATA_KEY_COMPOSER,
                       "composer",
                       NULL,
                       "nmm:artistName(nmm:composer(?urn))",
-                      "audio");
+                      "audio",
+                      GRL_TYPE_FILTER_AUDIO);
 
   insert_key_mapping (GRL_METADATA_KEY_SIZE,
                       "size",
                       NULL,
                       "nfo:fileSize(?urn)",
-                      "file");
+                      "file",
+                      GRL_TYPE_FILTER_ALL);
 
   insert_key_mapping (grl_metadata_key_gibest_hash,
                       "gibestHash",
                       NULL,
                       "(select nfo:hashValue(?h) { ?urn nfo:hasHash ?h . ?h nfo:hashAlgorithm \"gibest\" })",
-                      "video");
+                      "video",
+                      GRL_TYPE_FILTER_VIDEO);
 
   insert_key_mapping_with_setter (GRL_METADATA_KEY_MODIFICATION_DATE,
                                   "lastModified",
                                   "nfo:fileLastModified",
                                   "nfo:fileLastModified(?urn)",
                                   "file",
+                                  GRL_TYPE_FILTER_ALL,
                                   set_date);
 
   insert_key_mapping (GRL_METADATA_KEY_DURATION,
                       "duration",
                       "nfo:duration",
                       "nfo:duration(?urn)",
-                      "audio");
+                      "audio",
+                      GRL_TYPE_FILTER_AUDIO | GRL_TYPE_FILTER_VIDEO);
 
   insert_key_mapping (GRL_METADATA_KEY_MB_TRACK_ID,
                       "mbTrack",
                       NULL,
                       "(SELECT tracker:referenceIdentifier(?t) AS ?t_id { ?urn tracker:hasExternalReference ?t . ?t tracker:referenceSource \"https://musicbrainz.org/doc/Track\" })",
-		      "audio");
+		      "audio",
+                      GRL_TYPE_FILTER_AUDIO);
 
   insert_key_mapping (GRL_METADATA_KEY_MB_ARTIST_ID,
                       "mbArtist",
                       NULL,
 		      "(SELECT tracker:referenceIdentifier(?a) AS ?a_id { ?urn nmm:performer ?artist . ?artist tracker:hasExternalReference ?a . ?a tracker:referenceSource \"https://musicbrainz.org/doc/Artist\" })",
-                      "audio");
+                      "audio",
+                      GRL_TYPE_FILTER_AUDIO);
 
   insert_key_mapping (GRL_METADATA_KEY_MB_RECORDING_ID,
                       "mbRecording",
                       NULL,
 		      "(SELECT tracker:referenceIdentifier(?r) AS ?r_id { ?urn tracker:hasExternalReference ?r . ?r tracker:referenceSource \"https://musicbrainz.org/doc/Recording\" })",
-                      "audio");
+                      "audio",
+                      GRL_TYPE_FILTER_AUDIO);
 
   insert_key_mapping (GRL_METADATA_KEY_MB_RELEASE_ID,
                       "mbRelease",
                       NULL,
 		      "(SELECT tracker:referenceIdentifier(?re) AS ?re_id { ?urn nmm:musicAlbum ?album . ?album tracker:hasExternalReference ?re . ?re tracker:referenceSource \"https://musicbrainz.org/doc/Release\" })",
-                      "audio");
+                      "audio",
+                      GRL_TYPE_FILTER_AUDIO);
 
   insert_key_mapping (GRL_METADATA_KEY_MB_RELEASE_GROUP_ID,
                       "mbReleaseGroup",
                       NULL,
 		      "(SELECT tracker:referenceIdentifier(?rg) AS ?rg_id { ?urn nmm:musicAlbum ?album . ?album tracker:hasExternalReference ?rg . ?rg tracker:referenceSource \"https://musicbrainz.org/doc/Release_Group\" })",
-		      "audio");
+		      "audio",
+                      GRL_TYPE_FILTER_AUDIO);
 
   if (grl_metadata_key_chromaprint != 0) {
     insert_key_mapping_with_setter (grl_metadata_key_chromaprint,
@@ -359,6 +381,7 @@ grl_tracker_setup_key_mappings (void)
                                     NULL,
                                     "(select nfo:hashValue(?h) { ?urn nfo:hasHash ?h . ?h nfo:hashAlgorithm \"chromaprint\" })",
                                     "audio",
+                                    GRL_TYPE_FILTER_AUDIO,
                                     set_string_metadata_keys);
   };
 
@@ -366,44 +389,51 @@ grl_tracker_setup_key_mappings (void)
                       "frameRate",
                       "nfo:frameRate",
                       "nfo:frameRate(?urn)",
-                      "video");
+                      "video",
+                      GRL_TYPE_FILTER_VIDEO);
 
   insert_key_mapping (GRL_METADATA_KEY_HEIGHT,
                       "height",
                       "nfo:height",
                       "nfo:height(?urn)",
-                      "video");
+                      "video",
+                      GRL_TYPE_FILTER_VIDEO | GRL_TYPE_FILTER_IMAGE);
 
   insert_key_mapping (GRL_METADATA_KEY_ID,
                       "id",
                       "tracker:id",
                       "tracker:id(?urn)",
-                      "file");
+                      "file",
+                      GRL_TYPE_FILTER_ALL);
 
   insert_key_mapping_with_setter (GRL_METADATA_KEY_LAST_PLAYED,
                                   "fileLastAccessed",
                                   "nfo:fileLastAccessed",
                                   "nfo:fileLastAccessed(?urn)",
                                   "file",
+                                  GRL_TYPE_FILTER_ALL,
                                   set_date);
 
   insert_key_mapping (GRL_METADATA_KEY_MIME,
                       "mimeType",
                       "nie:mimeType",
                       "nie:mimeType(?urn)",
-                      "file");
+                      "file",
+                      GRL_TYPE_FILTER_ALL);
 
   insert_key_mapping (GRL_METADATA_KEY_SITE,
                       "siteUrl",
                       "nie:url",
                       "nie:url(?urn)",
-                      "file");
+                      "file",
+                      GRL_TYPE_FILTER_ALL);
 
   insert_key_mapping_with_setter (GRL_METADATA_KEY_TITLE,
                                   "title",
                                   "nie:title",
                                   "nie:title(?urn)",
                                   "audio",
+                                  GRL_TYPE_FILTER_ALL,
                                   set_title);
 
   insert_key_mapping_with_setter (GRL_METADATA_KEY_TITLE,
@@ -411,100 +441,116 @@ grl_tracker_setup_key_mappings (void)
                                   "nfo:fileName",
                                   "nfo:fileName(?urn)",
                                   "file",
+                                  GRL_TYPE_FILTER_ALL,
                                   set_title_from_filename);
 
   insert_key_mapping (GRL_METADATA_KEY_URL,
                       "url",
                       "nie:url",
                       "nie:url(?urn)",
-                      "file");
+                      "file",
+                      GRL_TYPE_FILTER_ALL);
 
   insert_key_mapping (GRL_METADATA_KEY_WIDTH,
                       "width",
                       "nfo:width",
                       "nfo:width(?urn)",
-                      "video");
+                      "video",
+                      GRL_TYPE_FILTER_VIDEO | GRL_TYPE_FILTER_IMAGE);
 
   insert_key_mapping (GRL_METADATA_KEY_SEASON,
                       "season",
                       NULL,
                       "nmm:seasonNumber(nmm:isPartOfSeason(?urn))",
-                      "video");
+                      "video",
+                      GRL_TYPE_FILTER_VIDEO);
 
   insert_key_mapping (GRL_METADATA_KEY_EPISODE,
                       "episode",
                       "nmm:episodeNumber",
                       "nmm:episodeNumber(?urn)",
-                      "video");
+                      "video",
+                      GRL_TYPE_FILTER_VIDEO);
 
   insert_key_mapping_with_setter (GRL_METADATA_KEY_CREATION_DATE,
                                   "creationDate",
                                   "nie:contentCreated",
                                   "nie:contentCreated(?urn)",
                                   "image",
+                                  GRL_TYPE_FILTER_ALL,
                                   set_date);
 
   insert_key_mapping (GRL_METADATA_KEY_CAMERA_MODEL,
                       "cameraModel",
                       NULL,
                       "nfo:model(nfo:equipment(?urn))",
-                      "image");
+                      "image",
+                      GRL_TYPE_FILTER_IMAGE);
 
   insert_key_mapping (GRL_METADATA_KEY_FLASH_USED,
                       "flashUsed",
                       "nmm:flash",
                       "nmm:flash(?urn)",
-                      "image");
+                      "image",
+                      GRL_TYPE_FILTER_IMAGE);
 
   insert_key_mapping (GRL_METADATA_KEY_EXPOSURE_TIME,
                       "exposureTime",
                       "nmm:exposureTime",
                       "nmm:exposureTime(?urn)",
-                      "image");
+                      "image",
+                      GRL_TYPE_FILTER_IMAGE);
 
   insert_key_mapping (GRL_METADATA_KEY_ISO_SPEED,
                       "isoSpeed",
                       "nmm:isoSpeed",
                       "nmm:isoSpeed(?urn)",
-                      "image");
+                      "image",
+                      GRL_TYPE_FILTER_IMAGE);
 
   insert_key_mapping_with_setter (GRL_METADATA_KEY_ORIENTATION,
                                   "orientation",
                                   "nfo:orientation",
                                   "nfo:orientation(?urn)",
                                   "image",
+                                  GRL_TYPE_FILTER_IMAGE,
                                   set_orientation);
 
   insert_key_mapping (GRL_METADATA_KEY_PLAY_COUNT,
                       "playCount",
                       "nie:usageCounter",
                       "nie:usageCounter(?urn)",
-                      "media");
+                      "media",
+                      GRL_TYPE_FILTER_AUDIO | GRL_TYPE_FILTER_VIDEO);
 
   insert_key_mapping_with_setter (GRL_METADATA_KEY_LAST_PLAYED,
                                   "lastPlayed",
                                   "nie:contentAccessed",
                                   "nie:contentAccessed(?urn)",
                                   "media",
+                                  GRL_TYPE_FILTER_ALL,
                                   set_date);
 
   insert_key_mapping (GRL_METADATA_KEY_LAST_POSITION,
                       "lastPlayPosition",
                       "nfo:lastPlayedPosition",
                       "nfo:lastPlayedPosition(?urn)",
-                      "media");
+                      "media",
+                      GRL_TYPE_FILTER_AUDIO | GRL_TYPE_FILTER_VIDEO);
 
   insert_key_mapping (GRL_METADATA_KEY_START_TIME,
                       "startTime",
                       "nfo:audioOffset",
                       "nfo:audioOffset(?urn)",
-                      "media");
+                      "media",
+                      GRL_TYPE_FILTER_AUDIO);
 
   insert_key_mapping_with_setter (GRL_METADATA_KEY_TRACK_NUMBER,
                                   "trackNumber",
                                   "nmm:trackNumber",
                                   "nmm:trackNumber(?urn)",
                                   "audio",
+                                  GRL_TYPE_FILTER_AUDIO,
                                   set_int_metadata_keys);
 
   insert_key_mapping_with_setter (GRL_METADATA_KEY_FAVOURITE,
@@ -512,6 +558,7 @@ grl_tracker_setup_key_mappings (void)
                                   "nao:hasTag",
                                   "nao:hasTag(?urn)",
                                   "audio",
+                                  GRL_TYPE_FILTER_ALL,
                                   set_favourite);
 }
 
@@ -862,3 +909,22 @@ grl_tracker_key_get_variable_name (const GrlKeyID key)
 
   return assoc->sparql_var_name;
 }
+
+const gchar *
+grl_tracker_key_get_sparql_statement (const GrlKeyID key,
+                                      GrlTypeFilter  filter)
+{
+  tracker_grl_sparql_t *assoc;
+  GList *assoc_list;
+
+  assoc_list = g_hash_table_lookup (grl_to_sparql_mapping,
+                                    GRLKEYID_TO_POINTER (key));
+  if (!assoc_list)
+    return NULL;
+
+  assoc = assoc_list->data;
+  if ((assoc->filter & filter) == 0)
+    return NULL;
+
+  return assoc->sparql_key_attr_call;
+}
diff --git a/src/tracker3/grl-tracker-utils.h b/src/tracker3/grl-tracker-utils.h
index 35e615c..7db2333 100644
--- a/src/tracker3/grl-tracker-utils.h
+++ b/src/tracker3/grl-tracker-utils.h
@@ -59,6 +59,7 @@ typedef struct {
   const gchar *sparql_key_attr;
   const gchar *sparql_key_attr_call;
   const gchar *sparql_key_flavor;
+  GrlTypeFilter filter;
 
   tracker_grl_sparql_setter_cb_t set_value;
 } tracker_grl_sparql_t;
@@ -70,6 +71,8 @@ const GList *grl_tracker_supported_keys (GrlSource *source);
 gboolean grl_tracker_key_is_supported (const GrlKeyID key);
 
 const gchar * grl_tracker_key_get_variable_name (const GrlKeyID key);
+const gchar * grl_tracker_key_get_sparql_statement (const GrlKeyID key,
+                                                    GrlTypeFilter  filter);
 
 void grl_tracker_setup_key_mappings (void);