MDL-56370 mod_feedback: allow to restore values from last attempt

mod/feedback/classes/completion.php

@@ -401,6 +401,21 @@ class mod_feedback_completion extends mod_feedback_structure {
         return $this->completedtmp;
     }
 
+    /**
+     * If user has already completed the feedback, create the temproray values from last completed attempt
+     *
+     * @return stdClass record from feedback_completedtmp or false if not found
+     */
+    public function create_completed_tmp_from_last_completed() {
+        if (!$this->get_current_completed_tmp()) {
+            $lastcompleted = $this->find_last_completed();
+            if ($lastcompleted) {
+                $this->completedtmp = feedback_set_tmp_values($lastcompleted);
+            }
+        }
+        return $this->completedtmp;
+    }
+
     /**
      * Saves unfinished response to the temporary table
      *

mod/feedback/complete.php

@@ -92,6 +92,7 @@ $cansubmit = $feedbackcompletion->can_submit();
 
 // Initialise the form processing feedback completion.
 if (!$feedbackcompletion->is_empty() && $cansubmit) {
+    $feedbackcompletion->create_completed_tmp_from_last_completed();
     $form = new mod_feedback_complete_form(mod_feedback_complete_form::MODE_COMPLETE,
             $feedbackcompletion, 'feedback_complete_form', array('gopage' => $gopage));
     if ($form->is_cancelled()) {

mod/feedback/lib.php

@@ -1881,8 +1881,6 @@ function feedback_print_item_show_value($item, $value = false) {
  */
 function feedback_set_tmp_values($feedbackcompleted) {
     global $DB;
-    debugging('Function feedback_set_tmp_values() is deprecated and since it is '
-            . 'no longer used in mod_feedback', DEBUG_DEVELOPER);
 
     //first we create a completedtmp
     $tmpcpl = new stdClass();