Added http response code

Backend/Controllers/FileHandler/upload.php

@@ -52,23 +52,24 @@ if(isLogin()){
                     $gameData->is_web_Based = $isWebBased;
                     $gameData->save();
                     $group->gameData()->associate($gameData);
-                    $group->save();
-                    header("location: ../../../Frontend/index.html?success=UploadedFile");
-                    exit();
+                   if(! $group->save()){
+                       http_response_code(500);
+                   }else{
+                       http_response_code(201);
+                   }
+
                 }
             }else{
-                header("location: ../../../Frontend/group.php?error=UploadFail");
-                exit();
+                http_response_code(400);
             }
         }else{
-            header("location: ../../../Frontend/group.php?error=TooManyUploads");
-            exit();
+            echo "Can only upload one file";
+            http_response_code(400);
         }
     }else{
-        header("location: ../../../Frontend/group.php?error=GameJamHasNotBegun");
-        exit();
+        echo "Can only upload when the game jam has started";
+        http_response_code(400);
     }
 }else{
-    header("location: ../../../Main.php?error=NoLogin");
-    exit();
+    http_response_code(401);
 }