[grilo-plugins/wip/carlosg/tracker3: 2/30] tracker3: Assign a sparql name to each metadata key
- From: Carlos Garnacho <carlosg src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [grilo-plugins/wip/carlosg/tracker3: 2/30] tracker3: Assign a sparql name to each metadata key
- Date: Wed, 19 Aug 2020 22:35:04 +0000 (UTC)
commit f97cb7601f727b3f63a2806688c50248af5699a9
Author: Carlos Garnacho <carlosg gnome org>
Date: Sat May 23 18:50:21 2020 +0200
tracker3: Assign a sparql name to each metadata key
So it can be used to generate variable names in SPARQL queries, and
parameter bindings for filters.
src/tracker3/grl-tracker-utils.c | 62 ++++++++++++++++++++++++++++++++++++++++
src/tracker3/grl-tracker-utils.h | 3 ++
2 files changed, 65 insertions(+)
---
diff --git a/src/tracker3/grl-tracker-utils.c b/src/tracker3/grl-tracker-utils.c
index 67ae46c6..74ccc629 100644
--- a/src/tracker3/grl-tracker-utils.c
+++ b/src/tracker3/grl-tracker-utils.c
@@ -153,6 +153,7 @@ 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)
@@ -169,6 +170,7 @@ insert_key_mapping (GrlKeyID grl_key,
canon_name = g_strdup (GRL_METADATA_KEY_GET_NAME (grl_key));
assoc->grl_key = grl_key;
+ assoc->sparql_var_name = sparql_var_name;
assoc->sparql_key_name = build_flavored_key (canon_name,
sparql_key_flavor);
assoc->sparql_key_name_canon = g_strdup (canon_name);
@@ -205,6 +207,7 @@ insert_key_mapping (GrlKeyID grl_key,
static tracker_grl_sparql_t *
insert_key_mapping_with_setter (GrlKeyID grl_key,
+ const gchar *sparql_var_name,
const gchar *sparql_key_attr,
const gchar *sparql_key_attr_call,
const gchar *sparql_key_flavor,
@@ -213,6 +216,7 @@ insert_key_mapping_with_setter (GrlKeyID grl_key,
tracker_grl_sparql_t *assoc;
assoc = insert_key_mapping (grl_key,
+ sparql_var_name,
sparql_key_attr,
sparql_key_attr_call,
sparql_key_flavor);
@@ -241,98 +245,117 @@ grl_tracker_setup_key_mappings (void)
sparql_to_grl_mapping = g_hash_table_new (g_str_hash, g_str_equal);
insert_key_mapping (grl_metadata_key_tracker_urn,
+ "urn",
NULL,
"?urn",
"file");
insert_key_mapping (GRL_METADATA_KEY_ALBUM,
+ "album",
NULL,
"nie:title(nmm:musicAlbum(?urn))",
"audio");
insert_key_mapping (GRL_METADATA_KEY_ALBUM_DISC_NUMBER,
+ "albumDiscNumber",
NULL,
"nmm:setNumber(nmm:musicAlbumDisc(?urn))",
"audio");
insert_key_mapping (GRL_METADATA_KEY_ARTIST,
+ "artist",
NULL,
"nmm:artistName(nmm:performer(?urn))",
"audio");
insert_key_mapping (GRL_METADATA_KEY_ALBUM_ARTIST,
+ "albumArtist",
NULL,
"nmm:artistName(nmm:albumArtist(nmm:musicAlbum(?urn)))",
"audio");
insert_key_mapping (GRL_METADATA_KEY_AUTHOR,
+ "author",
NULL,
"nmm:artistName(nmm:performer(?urn))",
"audio");
insert_key_mapping (GRL_METADATA_KEY_BITRATE,
+ "bitrate",
"nfo:averageBitrate",
"nfo:averageBitrate(?urn)",
"audio");
insert_key_mapping (GRL_METADATA_KEY_CHILDCOUNT,
+ "childCount",
"nfo:entryCounter",
"nfo:entryCounter(?urn)",
"directory");
insert_key_mapping (GRL_METADATA_KEY_COMPOSER,
+ "composer",
NULL,
"nmm:artistName(nmm:composer(?urn))",
"audio");
insert_key_mapping (GRL_METADATA_KEY_SIZE,
+ "size",
NULL,
"nfo:fileSize(?urn)",
"file");
insert_key_mapping (grl_metadata_key_gibest_hash,
+ "gibestHash",
NULL,
"(select nfo:hashValue(?h) { ?urn nfo:hasHash ?h . ?h nfo:hashAlgorithm \"gibest\" })",
"video");
insert_key_mapping_with_setter (GRL_METADATA_KEY_MODIFICATION_DATE,
+ "lastModified",
"nfo:fileLastModified",
"nfo:fileLastModified(?urn)",
"file",
set_date);
insert_key_mapping (GRL_METADATA_KEY_DURATION,
+ "duration",
"nfo:duration",
"nfo:duration(?urn)",
"audio");
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");
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");
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");
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");
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");
if (grl_metadata_key_chromaprint != 0) {
insert_key_mapping_with_setter (grl_metadata_key_chromaprint,
+ "chromaprint",
NULL,
"(select nfo:hashValue(?h) { ?urn nfo:hasHash ?h . ?h nfo:hashAlgorithm
\"chromaprint\" })",
"audio",
@@ -340,128 +363,152 @@ grl_tracker_setup_key_mappings (void)
};
insert_key_mapping (GRL_METADATA_KEY_FRAMERATE,
+ "frameRate",
"nfo:frameRate",
"nfo:frameRate(?urn)",
"video");
insert_key_mapping (GRL_METADATA_KEY_HEIGHT,
+ "height",
"nfo:height",
"nfo:height(?urn)",
"video");
insert_key_mapping (GRL_METADATA_KEY_ID,
+ "id",
"tracker:id",
"tracker:id(?urn)",
"file");
insert_key_mapping_with_setter (GRL_METADATA_KEY_LAST_PLAYED,
+ "fileLastAccessed",
"nfo:fileLastAccessed",
"nfo:fileLastAccessed(?urn)",
"file",
set_date);
insert_key_mapping (GRL_METADATA_KEY_MIME,
+ "mimeType",
"nie:mimeType",
"nie:mimeType(?urn)",
"file");
insert_key_mapping (GRL_METADATA_KEY_SITE,
+ "siteUrl",
"nie:url",
"nie:url(?urn)",
"file");
insert_key_mapping_with_setter (GRL_METADATA_KEY_TITLE,
+ "title",
"nie:title",
"nie:title(?urn)",
"audio",
set_title);
insert_key_mapping_with_setter (GRL_METADATA_KEY_TITLE,
+ "fileName",
"nfo:fileName",
"nfo:fileName(?urn)",
"file",
set_title_from_filename);
insert_key_mapping (GRL_METADATA_KEY_URL,
+ "url",
"nie:url",
"nie:url(?urn)",
"file");
insert_key_mapping (GRL_METADATA_KEY_WIDTH,
+ "width",
"nfo:width",
"nfo:width(?urn)",
"video");
insert_key_mapping (GRL_METADATA_KEY_SEASON,
+ "season",
NULL,
"nmm:seasonNumber(nmm:isPartOfSeason(?urn))",
"video");
insert_key_mapping (GRL_METADATA_KEY_EPISODE,
+ "episode",
"nmm:episodeNumber",
"nmm:episodeNumber(?urn)",
"video");
insert_key_mapping_with_setter (GRL_METADATA_KEY_CREATION_DATE,
+ "creationDate",
"nie:contentCreated",
"nie:contentCreated(?urn)",
"image",
set_date);
insert_key_mapping (GRL_METADATA_KEY_CAMERA_MODEL,
+ "cameraModel",
NULL,
"nfo:model(nfo:equipment(?urn))",
"image");
insert_key_mapping (GRL_METADATA_KEY_FLASH_USED,
+ "flashUsed",
"nmm:flash",
"nmm:flash(?urn)",
"image");
insert_key_mapping (GRL_METADATA_KEY_EXPOSURE_TIME,
+ "exposureTime",
"nmm:exposureTime",
"nmm:exposureTime(?urn)",
"image");
insert_key_mapping (GRL_METADATA_KEY_ISO_SPEED,
+ "isoSpeed",
"nmm:isoSpeed",
"nmm:isoSpeed(?urn)",
"image");
insert_key_mapping_with_setter (GRL_METADATA_KEY_ORIENTATION,
+ "orientation",
"nfo:orientation",
"nfo:orientation(?urn)",
"image",
set_orientation);
insert_key_mapping (GRL_METADATA_KEY_PLAY_COUNT,
+ "playCount",
"nie:usageCounter",
"nie:usageCounter(?urn)",
"media");
insert_key_mapping_with_setter (GRL_METADATA_KEY_LAST_PLAYED,
+ "lastPlayed",
"nie:contentAccessed",
"nie:contentAccessed(?urn)",
"media",
set_date);
insert_key_mapping (GRL_METADATA_KEY_LAST_POSITION,
+ "lastPlayPosition",
"nfo:lastPlayedPosition",
"nfo:lastPlayedPosition(?urn)",
"media");
insert_key_mapping (GRL_METADATA_KEY_START_TIME,
+ "startTime",
"nfo:audioOffset",
"nfo:audioOffset(?urn)",
"media");
insert_key_mapping_with_setter (GRL_METADATA_KEY_TRACK_NUMBER,
+ "trackNumber",
"nmm:trackNumber",
"nmm:trackNumber(?urn)",
"audio",
set_int_metadata_keys);
insert_key_mapping_with_setter (GRL_METADATA_KEY_FAVOURITE,
+ "favorite",
"nao:hasTag",
"nao:hasTag(?urn)",
"audio",
@@ -800,3 +847,18 @@ grl_tracker_supported_keys (GrlSource *source)
return supported_keys;
}
+
+const gchar *
+grl_tracker_key_get_variable_name (const GrlKeyID key)
+{
+ 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;
+
+ return assoc->sparql_var_name;
+}
diff --git a/src/tracker3/grl-tracker-utils.h b/src/tracker3/grl-tracker-utils.h
index 35ef0939..35e615c3 100644
--- a/src/tracker3/grl-tracker-utils.h
+++ b/src/tracker3/grl-tracker-utils.h
@@ -53,6 +53,7 @@ typedef void (*tracker_grl_sparql_setter_cb_t) (TrackerSparqlCursor *cursor,
typedef struct {
GrlKeyID grl_key;
+ const gchar *sparql_var_name;
const gchar *sparql_key_name;
const gchar *sparql_key_name_canon;
const gchar *sparql_key_attr;
@@ -68,6 +69,8 @@ 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);
+
void grl_tracker_setup_key_mappings (void);
tracker_grl_sparql_t *grl_tracker_get_mapping_from_sparql (const gchar *key);
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