Implemented hook_cron() and other necessary hooks.

uc_parsian.module

@@ -144,7 +144,10 @@ function uc_parsian_form_alter(&$form, &$form_state, $form_id) {
  * Deletes orphan authority codes generated by failed payments older than ten minutes.
  */
 function uc_parsian_cron() {
-
+  if (variable_get('uc_parsian_cron_purge', TRUE)) {
+    db_query("DELETE FROM {uc_payment_parsian} WHERE status = 0 AND %d - created > %d", time(), 600);
+    watchdog('cron', 'Orphan authority records generated by failed Parsian payments has been successfully removed.');
+  }
 }
 
 /**
@@ -154,7 +157,9 @@ function uc_parsian_cron() {
  * on the custom order completion page.
  */
 function uc_parsian_ucga_display() {
-
+  if (arg(0) == 'cart' && arg(1) == 'parsian' && arg(2) == 'complete') {
+    return TRUE;
+  }
 }
 
 /**

uc_parsian.pages.inc

@@ -291,3 +291,4 @@ function _uc_parsian_error_translate($code) {
       return $code . ' - ' . t('Unknown status code. Refer to your technical documentation or contact Parsian bank support.');
   }
 }
+