[gnome-software/1409-add-available-for-fedora-section-to-the-explore-page] gs-plugin-appstream: Implement gs_plugin_add_distro_featured()

[Milan Crha <mcrha src gnome org>]

commit a9407dcffda1944c716509173a456f841dae2f4c
Author: Milan Crha <mcrha redhat com>
Date:   Wed Sep 8 15:56:57 2021 +0200

    gs-plugin-appstream: Implement gs_plugin_add_distro_featured()

 plugins/core/gs-plugin-appstream.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
---
diff --git a/plugins/core/gs-plugin-appstream.c b/plugins/core/gs-plugin-appstream.c
index f7b3ae428..53a42d81d 100644
--- a/plugins/core/gs-plugin-appstream.c
+++ b/plugins/core/gs-plugin-appstream.c
@@ -1091,6 +1091,22 @@ gs_plugin_add_featured (GsPlugin *plugin,
        return gs_appstream_add_featured (priv->silo, list, cancellable, error);
 }
 
+gboolean
+gs_plugin_add_distro_featured (GsPlugin *plugin,
+                              GsAppList *list,
+                              GCancellable *cancellable,
+                              GError **error)
+{
+       GsPluginData *priv = gs_plugin_get_data (plugin);
+       g_autoptr(GRWLockReaderLocker) locker = NULL;
+
+       if (!gs_plugin_appstream_check_silo (plugin, cancellable, error))
+               return FALSE;
+
+       locker = g_rw_lock_reader_locker_new (&priv->silo_lock);
+       return gs_appstream_add_distro_featured (priv->silo, list, cancellable, error);
+}
+
 gboolean
 gs_plugin_add_recent (GsPlugin *plugin,
                      GsAppList *list,