set assignment_id on store, fix check in ResponseFolder::isWritable(), fixes #5222

Closes #5222

Merge request studip/studip!4204

2 files changed, 5 insertions, 0 deletions

diff --git a/lib/filesystem/ResponseFolder.php b/lib/filesystem/ResponseFolder.php
index 598bf28..2741d60 100644
--- a/lib/filesystem/ResponseFolder.php
+++ b/lib/filesystem/ResponseFolder.php
@@ -54,6 +54,10 @@ class ResponseFolder extends StandardFolder
         $solution = VipsSolution::find($this->range_id);
         $assignment = $solution->assignment;
 
+        if ($this->isReadable($user_id) && $assignment->checkAccess($user_id)) {
+            return true;
+        }
+
         return $assignment->checkEditPermission();
     }
 
diff --git a/lib/models/vips/TextTask.php b/lib/models/vips/TextTask.php
index dd2d189..c2b2f51 100644
--- a/lib/models/vips/TextTask.php
+++ b/lib/models/vips/TextTask.php
@@ -180,6 +180,7 @@ class TextTask extends Exercise
                 $solution->options['upload'] = $files['upload'];
             }
 
+            $solution->assignment_id = $request['assignment_id'];
             $solution->store();
             $folder = Folder::findTopFolder($solution->id, 'ResponseFolder', 'response');