[tracker/wip/carlosg/sparql1.1: 33/56] sm tracker data manager graphs api

[Carlos Garnacho <carlosg src gnome org>]

commit 0d19b35f07a84b674541ef7b232ba408b96db74a
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu May 30 12:11:50 2019 +0200

    sm tracker data manager graphs api

 src/libtracker-data/tracker-data-manager.c | 50 ++++++++++++++++++++++++++----
 src/libtracker-data/tracker-data-manager.h |  5 +++
 2 files changed, 49 insertions(+), 6 deletions(-)
---
diff --git a/src/libtracker-data/tracker-data-manager.c b/src/libtracker-data/tracker-data-manager.c
index 3eeacfc24..dcaf8edf4 100644
--- a/src/libtracker-data/tracker-data-manager.c
+++ b/src/libtracker-data/tracker-data-manager.c
@@ -4946,25 +4946,23 @@ tracker_data_manager_create_graph (TrackerDataManager  *manager,
        gint id;
 
        iface = tracker_db_manager_get_writable_db_interface (manager->db_manager);
+
        if (!tracker_db_manager_attach_database (manager->db_manager, iface,
                                                 name, TRUE, error))
                return FALSE;
 
        if (!tracker_data_ontology_setup_db (manager, iface, name,
                                             FALSE, error))
-               goto error;
-
-       if (!tracker_data_manager_ensure_graphs (manager, iface, error))
-               goto error;
+               goto detach;
 
        id = tracker_data_ensure_graph (manager->data_update, name, error);
        if (id == 0)
-               goto error;
+               goto detach;
 
        g_hash_table_insert (manager->graphs, g_strdup (name), GINT_TO_POINTER (id));
        return TRUE;
 
-error:
+detach:
        tracker_db_manager_detach_database (manager->db_manager, iface, name, NULL);
        return FALSE;
 }
@@ -4990,3 +4988,43 @@ tracker_data_manager_drop_graph (TrackerDataManager  *manager,
 
        return TRUE;
 }
+
+gint
+tracker_data_manager_find_graph (TrackerDataManager *manager,
+                                 const gchar        *name)
+{
+       TrackerDBInterface *iface;
+       GHashTable *graphs;
+
+       iface = tracker_db_manager_get_writable_db_interface (manager->db_manager);
+       graphs = tracker_data_manager_get_graphs (manager, iface, NULL);
+
+       if (!graphs)
+               return 0;
+
+       return GPOINTER_TO_UINT (g_hash_table_lookup (graphs, name));
+}
+
+const gchar *
+tracker_data_manager_find_graph_by_id (TrackerDataManager *manager,
+                                       gint                id)
+{
+       TrackerDBInterface *iface;
+       GHashTableIter iter;
+       GHashTable *graphs;
+       gpointer key, value;
+
+       iface = tracker_db_manager_get_writable_db_interface (manager->db_manager);
+       graphs = tracker_data_manager_get_graphs (manager, iface, NULL);
+
+       if (!graphs)
+               return NULL;
+
+       g_hash_table_iter_init (&iter, graphs);
+       while (g_hash_table_iter_next (&iter, &key, &value)) {
+               if (id == GPOINTER_TO_INT (value))
+                       return key;
+       }
+
+       return NULL;
+}
diff --git a/src/libtracker-data/tracker-data-manager.h b/src/libtracker-data/tracker-data-manager.h
index ef7dec4b9..ebb992753 100644
--- a/src/libtracker-data/tracker-data-manager.h
+++ b/src/libtracker-data/tracker-data-manager.h
@@ -88,6 +88,11 @@ gboolean             tracker_data_manager_drop_graph (TrackerDataManager  *manag
                                                       const gchar         *name,
                                                       GError             **error);
 
+gint                 tracker_data_manager_find_graph       (TrackerDataManager *manager,
+                                                            const gchar        *name);
+const gchar *        tracker_data_manager_find_graph_by_id (TrackerDataManager *manager,
+                                                            gint                id);
+
 G_END_DECLS
 
 #endif /* __LIBTRACKER_DATA_MANAGER_H__ */