[tracker/wip/carlosg/backports-for-3-1: 4/16] libtracker-data: Update ontology nrl:lastModified with GDateTime

[Carlos Garnacho <carlosg src gnome org>]

commit 123a2d09f8a048b9217b95308ee0bc1aef31a46b
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Apr 7 12:26:50 2021 +0200

    libtracker-data: Update ontology nrl:lastModified with GDateTime
    
    Instead of our own helpers.

 src/libtracker-data/tracker-data-manager.c | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)
---
diff --git a/src/libtracker-data/tracker-data-manager.c b/src/libtracker-data/tracker-data-manager.c
index 2be94685d..264f6a5ea 100644
--- a/src/libtracker-data/tracker-data-manager.c
+++ b/src/libtracker-data/tracker-data-manager.c
@@ -1243,6 +1243,8 @@ tracker_data_ontology_load_statement (TrackerDataManager  *manager,
                tracker_namespace_set_prefix (namespace, object);
        } else if (g_strcmp0 (predicate, NRL_LAST_MODIFIED) == 0) {
                TrackerOntology *ontology;
+               GDateTime *datetime;
+               GError *error = NULL;
 
                ontology = tracker_ontologies_get_ontology_by_uri (manager->ontologies, subject);
                if (ontology == NULL) {
@@ -1254,7 +1256,16 @@ tracker_data_ontology_load_statement (TrackerDataManager  *manager,
                        return;
                }
 
-               tracker_ontology_set_last_modified (ontology, tracker_string_to_date (object, NULL, NULL));
+               datetime = tracker_date_new_from_iso8601 (object, &error);
+               if (!datetime) {
+                       g_critical ("%s: error parsing nrl:lastModified: %s",
+                                   ontology_path, error->message);
+                       g_error_free (error);
+                       return;
+               }
+
+               tracker_ontology_set_last_modified (ontology, g_date_time_to_unix (datetime));
+               g_date_time_unref (datetime);
        }
 }
 
@@ -1856,6 +1867,8 @@ get_ontology_from_file (TrackerDataManager *manager,
                        }
                } else if (g_strcmp0 (predicate, NRL_LAST_MODIFIED) == 0) {
                        TrackerOntology *ontology;
+                       GDateTime *datetime;
+                       GError *error = NULL;
 
                        ontology = g_hash_table_lookup (ontology_uris, subject);
                        if (ontology == NULL) {
@@ -1865,7 +1878,16 @@ get_ontology_from_file (TrackerDataManager *manager,
                                return NULL;
                        }
 
-                       tracker_ontology_set_last_modified (ontology, tracker_string_to_date (object, NULL, 
NULL));
+                       datetime = tracker_date_new_from_iso8601 (object, NULL);
+                       if (!datetime) {
+                               g_critical ("%s: error parsing nrl:lastModified: %s",
+                                           subject, error->message);
+                               g_error_free (error);
+                               return NULL;
+                       }
+
+                       tracker_ontology_set_last_modified (ontology, g_date_time_to_unix (datetime));
+                       g_date_time_unref (datetime);
 
                        /* This one is here because lower ontology_uris is destroyed, and
                         * else would this one's reference also be destroyed with it */