[tracker-miners/wip/carlosg/drop-sparql-builder: 4/5] tracker-miner-fs: Use TrackerResource for attribute updates

[Carlos Garnacho <carlosg src gnome org>]

commit 316abf1c353753699328ff224f63d5012d974f78
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sat Nov 10 14:05:08 2018 +0100

    tracker-miner-fs: Use TrackerResource for attribute updates
    
    This drops the last usage of TrackerSparqlBuilder in tracker-miner-fs

 src/miners/fs/tracker-miner-files.c | 57 +++++++++----------------------------
 1 file changed, 14 insertions(+), 43 deletions(-)
---
diff --git a/src/miners/fs/tracker-miner-files.c b/src/miners/fs/tracker-miner-files.c
index be57bae13..c91ed28b9 100644
--- a/src/miners/fs/tracker-miner-files.c
+++ b/src/miners/fs/tracker-miner-files.c
@@ -63,7 +63,6 @@ typedef struct ProcessFileData ProcessFileData;
 
 struct ProcessFileData {
        TrackerMinerFiles *miner;
-       TrackerSparqlBuilder *sparql;
        GCancellable *cancellable;
        GFile *file;
        gchar *mime_type;
@@ -2255,7 +2254,6 @@ static void
 process_file_data_free (ProcessFileData *data)
 {
        g_object_unref (data->miner);
-       g_object_unref (data->sparql);
        g_object_unref (data->cancellable);
        g_object_unref (data->file);
        g_object_unref (data->task);
@@ -2463,7 +2461,6 @@ miner_files_process_file (TrackerMinerFS *fs,
        data = g_slice_new0 (ProcessFileData);
        data->miner = g_object_ref (fs);
        data->cancellable = g_object_ref (g_task_get_cancellable (task));
-       data->sparql = tracker_sparql_builder_new_update ();
        data->file = g_object_ref (file);
        data->task = g_object_ref (task);
 
@@ -2493,19 +2490,18 @@ process_file_attributes_cb (GObject      *object,
                             GAsyncResult *result,
                             gpointer      user_data)
 {
-       TrackerSparqlBuilder *sparql;
+       TrackerResource *resource;
        ProcessFileData *data;
        const gchar *urn;
        GFileInfo *file_info;
        guint64 time_;
        GFile *file;
-       gchar *uri;
+       gchar *uri, *time_str, *sparql_str;
        GError *error = NULL;
        gboolean is_iri;
 
        data = user_data;
        file = G_FILE (object);
-       sparql = data->sparql;
        file_info = g_file_query_info_finish (file, result, &error);
 
        if (error) {
@@ -2529,55 +2525,31 @@ process_file_attributes_cb (GObject      *object,
                return;
        }
 
+       resource = tracker_resource_new (urn);
+
        /* Update nfo:fileLastModified */
-       tracker_sparql_builder_delete_open (sparql, NULL);
-       tracker_sparql_builder_subject_iri (sparql, urn);
-       tracker_sparql_builder_predicate (sparql, "nfo:fileLastModified");
-       tracker_sparql_builder_object_variable (sparql, "lastmodified");
-       tracker_sparql_builder_delete_close (sparql);
-       tracker_sparql_builder_where_open (sparql);
-       tracker_sparql_builder_subject_iri (sparql, urn);
-       tracker_sparql_builder_predicate (sparql, "nfo:fileLastModified");
-       tracker_sparql_builder_object_variable (sparql, "lastmodified");
-       tracker_sparql_builder_where_close (sparql);
-       tracker_sparql_builder_insert_open (sparql, NULL);
-       tracker_sparql_builder_graph_open (sparql, TRACKER_OWN_GRAPH_URN);
-       tracker_sparql_builder_subject_iri (sparql, urn);
        time_ = g_file_info_get_attribute_uint64 (file_info, G_FILE_ATTRIBUTE_TIME_MODIFIED);
-       tracker_sparql_builder_predicate (sparql, "nfo:fileLastModified");
-       tracker_sparql_builder_object_date (sparql, (time_t *) &time_);
-       tracker_sparql_builder_graph_close (sparql);
-       tracker_sparql_builder_insert_close (sparql);
+       time_str = tracker_date_to_string (time_);
+       tracker_resource_set_string (resource, "nfo:fileLastModified", time_str);
+       g_free (time_str);
 
        /* Update nfo:fileLastAccessed */
-       tracker_sparql_builder_delete_open (sparql, NULL);
-       tracker_sparql_builder_subject_iri (sparql, urn);
-       tracker_sparql_builder_predicate (sparql, "nfo:fileLastAccessed");
-       tracker_sparql_builder_object_variable (sparql, "lastaccessed");
-       tracker_sparql_builder_delete_close (sparql);
-       tracker_sparql_builder_where_open (sparql);
-       tracker_sparql_builder_subject_iri (sparql, urn);
-       tracker_sparql_builder_predicate (sparql, "nfo:fileLastAccessed");
-       tracker_sparql_builder_object_variable (sparql, "lastaccessed");
-       tracker_sparql_builder_where_close (sparql);
-       tracker_sparql_builder_insert_open (sparql, NULL);
-       tracker_sparql_builder_graph_open (sparql, TRACKER_OWN_GRAPH_URN);
-       tracker_sparql_builder_subject_iri (sparql, urn);
        time_ = g_file_info_get_attribute_uint64 (file_info, G_FILE_ATTRIBUTE_TIME_ACCESS);
-       tracker_sparql_builder_predicate (sparql, "nfo:fileLastAccessed");
-       tracker_sparql_builder_object_date (sparql, (time_t *) &time_);
-       tracker_sparql_builder_graph_close (sparql);
-       tracker_sparql_builder_insert_close (sparql);
+       time_str = tracker_date_to_string (time_);
+       tracker_resource_set_string (resource, "nfo:fileLastAccessed", time_str);
+       g_free (time_str);
 
        g_object_unref (file_info);
        g_free (uri);
 
        /* Notify about the success */
+       sparql_str = tracker_resource_print_sparql_update (resource, NULL, TRACKER_OWN_GRAPH_URN);
        tracker_miner_fs_notify_finish (TRACKER_MINER_FS (data->miner), data->task,
-                                       tracker_sparql_builder_get_result (sparql),
-                                       NULL);
+                                       sparql_str, NULL);
 
        process_file_data_free (data);
+       g_object_unref (resource);
+       g_free (sparql_str);
 }
 
 static gboolean
@@ -2591,7 +2563,6 @@ miner_files_process_file_attributes (TrackerMinerFS *fs,
        data = g_slice_new0 (ProcessFileData);
        data->miner = g_object_ref (fs);
        data->cancellable = g_object_ref (g_task_get_cancellable (task));
-       data->sparql = tracker_sparql_builder_new_update ();
        data->file = g_object_ref (file);
        data->task = g_object_ref (task);