Add "Clean Cache" feature

[aweather] / src / aweather-gui.c

diff --git a/src/aweather-gui.c b/src/aweather-gui.c
index 41069b0c2603360b4cc04f818116ee748bfeac78..59dbfaab6b9cb6aaa0c11c939d67c6a8d7e95662 100644 (file)
--- a/src/aweather-gui.c
+++ b/src/aweather-gui.c
@@ -18,6 +18,7 @@
 #include <config.h>
 #include <gtk/gtk.h>
 #include <gdk/gdkkeysyms.h>
+#include <glib/gstdio.h>
 #include <math.h>
 
 #include <gis.h>
@@ -49,7 +50,36 @@ G_MODULE_EXPORT gboolean on_gui_key_press(GtkWidget *widget, GdkEventKey *event,
        return FALSE;
 }
 
-G_MODULE_EXPORT void on_help_contents(GtkMenuItem *menu, AWeatherGui *self)
+static void cleancache_r(gchar *path)
+{
+       GDir *dir = g_dir_open(path, 0, NULL);
+       if (!dir)
+               return;
+       const gchar *child;
+       while ((child = g_dir_read_name(dir))) {
+               gchar *child_path = g_build_filename(path, child, NULL);
+               if (g_file_test(child_path, G_FILE_TEST_IS_DIR)) {
+                       cleancache_r(child_path);
+               } else {
+                       struct stat st;
+                       g_stat(child_path, &st);
+                       if (st.st_atime < time(NULL)-60*60*24)
+                               g_remove(child_path);
+               }
+               g_free(child_path);
+       }
+       g_dir_close(dir);
+       g_rmdir(path);
+}
+G_MODULE_EXPORT void on_cleancache(GtkMenuItem *menu, AWeatherGui *self)
+{
+       g_debug("AWeatherGui: on_cleancache");
+       /* Todo: move this to libgis */
+       gchar *cache = g_build_filename(g_get_user_cache_dir(), "libgis", NULL);
+       cleancache_r(cache);
+}
+
+G_MODULE_EXPORT void on_contents(GtkMenuItem *menu, AWeatherGui *self)
 {
        GError *err = NULL;
        gchar *path = g_strdup(HTMLDIR "/aweather.html");