[rhythmbox] podcast: simplify rb_podcast_manager_update_feeds

[Jonathan Matthew <jmatthew src gnome org>]

commit d1da28e8c17fc10c2e225496508d3bdc5b4415ff
Author: Jonathan Matthew <jonathan d14n org>
Date:   Sat Sep 5 18:51:01 2020 +1000

    podcast: simplify rb_podcast_manager_update_feeds
    
    RhythmDBQueryResultList gives us a simpler way to do this.

 podcast/rb-podcast-manager.c | 48 +++++++++++++++++---------------------------
 1 file changed, 18 insertions(+), 30 deletions(-)
---
diff --git a/podcast/rb-podcast-manager.c b/podcast/rb-podcast-manager.c
index ca524d4a0..96485c35f 100644
--- a/podcast/rb-podcast-manager.c
+++ b/podcast/rb-podcast-manager.c
@@ -46,6 +46,7 @@
 #include "rb-debug.h"
 #include "rhythmdb.h"
 #include "rhythmdb-query-model.h"
+#include "rhythmdb-query-result-list.h"
 #include "rb-podcast-parse.h"
 #include "rb-dialog.h"
 #include "rb-metadata.h"
@@ -619,46 +620,33 @@ rb_podcast_manager_start_update_timer (RBPodcastManager *pd)
        }
 }
 
-static gboolean
-rb_podcast_manager_head_query_cb (GtkTreeModel *query_model,
-                                 GtkTreePath *path,
-                                 GtkTreeIter *iter,
-                                 RBPodcastManager *manager)
-{
-        const char *uri;
-        RhythmDBEntry *entry;
-       guint status;
-
-        gtk_tree_model_get (query_model, iter, 0, &entry, -1);
-        uri = get_remote_location (entry);
-       status = rhythmdb_entry_get_ulong (entry, RHYTHMDB_PROP_STATUS);
-
-       if (status == RHYTHMDB_PODCAST_FEED_STATUS_NORMAL)
-               rb_podcast_manager_subscribe_feed (manager, uri, TRUE);
-
-       rhythmdb_entry_unref (entry);
-
-        return FALSE;
-}
-
 void
 rb_podcast_manager_update_feeds (RBPodcastManager *pd)
 {
-       GtkTreeModel *query_model;
-
-       query_model = GTK_TREE_MODEL (rhythmdb_query_model_new_empty (pd->priv->db));
+       RhythmDBQueryResultList *list;
+        RhythmDBEntry *entry;
+        const char *uri;
+       guint status;
+       GList *l;
 
+       list = rhythmdb_query_result_list_new ();
        rhythmdb_do_full_query (pd->priv->db,
-                               RHYTHMDB_QUERY_RESULTS (query_model),
+                               RHYTHMDB_QUERY_RESULTS (list),
                                 RHYTHMDB_QUERY_PROP_EQUALS,
                                 RHYTHMDB_PROP_TYPE, RHYTHMDB_ENTRY_TYPE_PODCAST_FEED,
                                 RHYTHMDB_QUERY_END);
 
-       gtk_tree_model_foreach (query_model,
-                               (GtkTreeModelForeachFunc) rb_podcast_manager_head_query_cb,
-                                pd);
+       l = rhythmdb_query_result_list_get_results (list);
+       for (; l != NULL; l = l->next) {
+               entry = l->data;
 
-       g_object_unref (query_model);
+               uri = get_remote_location (entry);
+               status = rhythmdb_entry_get_ulong (entry, RHYTHMDB_PROP_STATUS);
+               if (status == RHYTHMDB_PODCAST_FEED_STATUS_NORMAL)
+                       rb_podcast_manager_subscribe_feed (pd, uri, TRUE);
+       }
+
+       g_object_unref (list);
 }
 
 static gboolean