+gchar*
+modest_tny_folder_get_header_unique_id (TnyHeader *header)
+{
+ TnyFolder *folder;
+ gchar *url, *retval;
+ const gchar *uid;
+
+ g_return_val_if_fail (TNY_IS_HEADER (header), NULL);
+
+ folder = tny_header_get_folder (header);
+ if (!folder)
+ return NULL;
+
+ url = tny_folder_get_url_string (folder);
+ uid = tny_header_get_uid (header);
+
+ retval = g_strjoin ("/", url, uid, NULL);
+
+ g_free (url);
+ g_object_unref (folder);
+
+ return retval;
+}
+
+TnyAccount *modest_tny_folder_get_account (TnyFolder *folder)
+{
+ TnyAccount *account = NULL;
+
+ if (TNY_IS_MERGE_FOLDER (folder)) {
+ /* TnyMergeFolder does not support get_account(),
+ * because it could be merging folders from multiple accounts.
+ * So we assume that this is the local folders account: */
+
+ account = modest_tny_account_store_get_local_folders_account (
+ TNY_ACCOUNT_STORE (modest_runtime_get_account_store()));
+ } else {
+ account = tny_folder_get_account (folder);
+ }
+
+ return account;
+}
+