Vips modification feedback, re #203

controllers/sheets.php

@@ -1378,6 +1378,8 @@ class SheetsController extends StudipController
         $resets                 = Request::int('resets', 0);
         $evaluation_mode        = Request::int('evaluation_mode', 0);
         $exercise_points        = Request::floatArray('exercise_points');
+        $selftest_threshold     = Request::getArray('threshold');
+        $selftest_feedback      = Request::getArray('feedback');
 
         $start_datetime = DateTime::createFromFormat('d.m.Y H:i', $start_date.' '.$start_time);
         $end_datetime   = DateTime::createFromFormat('d.m.Y H:i', $end_date.' '.$end_time);
@@ -1420,6 +1422,12 @@ class SheetsController extends StudipController
             $block = null;
         }
 
+        foreach ($selftest_threshold as $i => $threshold) {
+            if ($threshold !== '') {
+                $feedback[$threshold] = Studip\Markup::purifyHtml($selftest_feedback[$i]);
+            }
+        }
+
         /*** store basic data (Grunddaten) of assignment */
         if ($assignment_id) {
             // check whether the exam's start time has been moved
@@ -1468,6 +1476,7 @@ class SheetsController extends StudipController
         unset($assignment->options['use_groups']);
         unset($assignment->options['max_tries']);
         unset($assignment->options['resets']);
+        unset($assignment->options['feedback']);
 
         if ($assignment_type === 'exam') {
             $assignment->options['duration'] = $exam_length;
@@ -1501,6 +1510,11 @@ class SheetsController extends StudipController
             if ($resets === 0) {
                 $assignment->options['resets'] = $resets;
             }
+
+            if (isset($feedback)) {
+                krsort($feedback);
+                $assignment->options['feedback'] = $feedback;
+            }
         }
 
         $assignment->store();
@@ -1647,6 +1661,10 @@ class SheetsController extends StudipController
 
         vips_require_edit_permission($assignment);
 
+        if (!isset($assignment->options['feedback'])) {
+            $assignment->options['feedback'] = ['' => ''];
+        }
+
         $blocks = VipsBlock::findBySQL('course_id = ? ORDER BY name', [$assignment->course_id]);
 
         $this->assignment             = $assignment;