Tic 2807 - add toggling task visibility functionality to student task dashboard

Closes #2807

Merge request studip/studip!3096

1 files changed, 18 insertions, 0 deletions

diff --git a/lib/models/Courseware/StructuralElement.php b/lib/models/Courseware/StructuralElement.php
index e72cc4f..8e06a39 100644
--- a/lib/models/Courseware/StructuralElement.php
+++ b/lib/models/Courseware/StructuralElement.php
@@ -391,6 +391,19 @@ class StructuralElement extends \SimpleORMap implements \PrivacyObject, \Feedbac
                         return true;
                     }
 
+                    if ($task->isSubmitted()) {
+                        if ($task->visible) {
+                            return true;
+                        }
+                        $solvers = $task->getTaskGroup()->getSolvers();
+                        foreach ($solvers as $solver) {
+                            if ($solver->id === $user->id) {
+                                return true;
+                            }
+                        }
+                        return false;
+                    }
+
                     return $task->userIsASolver($user);
                 }
 
@@ -1240,4 +1253,9 @@ SQL;
             [$this->id, self::class]
         );
     }
+
+    public function isTaskVisible(): bool
+    {
+        return $this->payload['task-visibility'];
+    }
 }