优化生成媒资编号方法

app/Http/Controllers/Api/Client/MediaController.php

@@ -34,8 +34,28 @@ class MediaController extends Controller
     public function index(Request $request){
 
         $result = handler_drive(function () use ($request) {
-            return ["mediaID" => 'mda-'.generateRandomNum(16)];
+
+
+            $i = 0;
+            do {
+                $media_id = "mda-".generateRandomNum(16);
+                $media = MediaModel::find($media_id);
+                $i ++;
+
+            } while ($i < 3 && !empty($media) );
+
+            if ($i == 3){
+                return 0;
+            }
+
+
+            return ["mediaID" => $media_id];
         });
+
+        if (!$result){
+            return error("mediaID重复生成次数太多");
+        }
+
         return success($result);
     }