Löschen von downloadbaren Dateien eingebaut

webseite/classes/TopicData.php

@@ -187,10 +187,20 @@ class TopicData
      */
     private function addDownload(string $name, string $tmp_name): bool
     {
-        if(!move_uploaded_file($tmp_name, Config::getTopicDirectory($this->getSubjectId() , $this->getId()) . "downloads/" . $name)) {
+        $downloadDirectory = Config::getTopicDirectory($this->getSubjectId() , $this->getId()) . "downloads/";
+
+        if(!is_dir($downloadDirectory)) {
+            if(!mkdir($downloadDirectory)) {
+                return false;
+            }
+        }
+
+        if(!move_uploaded_file($tmp_name, $downloadDirectory . $name)) {
             return false;
         }
 
+        $this->files[] = $name;
+
         return true;
     }
 
@@ -222,6 +232,21 @@ class TopicData
         return true;
     }
 
+    public function deleteDownload(string $name): bool
+    {
+        if(!isset($this->files[$name])) {
+            return false;
+        }
+
+        if(!unlink(Config::getTopicDirectory($this->getSubjectId() , $this->getId()) . "downloads/$name")) {
+            return false;
+        }
+
+        $this->files = array_diff($this->files, [$name]);
+
+        return true;
+    }
+
     /**
      * Löscht das Thema inklusive aller zugehörigen Dateien
      * @return bool true, wenn erfolgreich gelöscht, sonst false