also export student_comment, fixes #113

controllers/solutions.php

@@ -511,6 +511,10 @@ class SolutionsController extends StudipController
                     $columns[] = '';
                 }
             }
+
+            if ($exercises[$exercise['id']]->options['comment']) {
+                $columns[] = _vips('Bemerkungen');
+            }
         }
 
         $data = [$columns];
@@ -525,13 +529,17 @@ class SolutionsController extends StudipController
 
                 if ($solution) {
                     $has_solution = true;
-                    $response = VipsSolution::find($solution['id'])->response;
-                    $export = $exercises[$exercise['id']]->exportResponse($response);
+                    $vips_solution = VipsSolution::find($solution['id']);
+                    $export = $exercises[$exercise['id']]->exportResponse($vips_solution->response);
                 }
 
                 for ($i = 0; $i < $item_count[$exercise['id']]; ++$i) {
                     $row[] = isset($export[$i]) ? $export[$i] : '';
                 }
+
+                if ($exercises[$exercise['id']]->options['comment']) {
+                    $row[] = $solution ? $vips_solution->student_comment : '';
+                }
             }
 
             if ($has_solution) {