+#include <config.h>
+#include <glib.h>
+#include <gio/gio.h>
+
+#include "data.h"
+
+typedef struct {
+ AWeatherCacheDoneCallback callback;
+ gchar *src;
+ gchar *dst;
+ gchar *user_data;
+} cache_file_end_t;
+
+static void cache_file_cb(GObject *source_object, GAsyncResult *res, gpointer _info)
+{
+ cache_file_end_t *info = _info;
+ GError *error = NULL;
+ g_file_copy_finish(G_FILE(source_object), res, &error);
+ if (error) {
+ g_message("error copying file ([%s]->[%s]): %s",
+ info->src, info->dst, error->message);
+ } else {
+ info->callback(info->dst, info->user_data);
+ }
+ g_free(info->src);
+ g_free(info->dst);
+ g_free(info);
+}
+
+/**
+ * Cache a image from Ridge to the local disk
+ * \param path Path to the Ridge file, starting after /ridge/
+ * \return The local path to the cached image
+ */
+void cache_file(char *base, char *path, AWeatherCacheDoneCallback callback, gpointer user_data)
+{
+ gchar *url = g_strconcat(base, path, NULL);
+ gchar *local = g_build_filename(g_get_user_cache_dir(), PACKAGE, path, NULL);
+ if (g_file_test(local, G_FILE_TEST_EXISTS)) {
+ callback(local, user_data);
+ } else {
+ if (!g_file_test(g_path_get_dirname(local), G_FILE_TEST_IS_DIR))
+ g_mkdir_with_parents(g_path_get_dirname(local), 0755);
+ cache_file_end_t *info = g_malloc0(sizeof(cache_file_end_t));
+ info->callback = callback;
+ info->src = url;
+ info->dst = local;
+ info->user_data = user_data;
+ GFile *src = g_file_new_for_uri(url);
+ GFile *dst = g_file_new_for_path(local);
+ g_file_copy_async(src, dst,
+ G_FILE_COPY_OVERWRITE, // GFileCopyFlags flags,
+ 0, // int io_priority,
+ NULL, // GCancellable *cancellable,
+ NULL, // GFileProgressCallback progress_callback,
+ NULL, // gpointer progress_callback_data,
+ cache_file_cb, // GAsyncReadyCallback callback,
+ info); // gpointer user_data
+ }
+}