From f79c0a22bcfd0923ae0052fec8e6a0e3521c3162 Mon Sep 17 00:00:00 2001
From: xiaomlove <353856593@qq.com>
Date: Mon, 31 May 2021 13:39:35 +0800
Subject: [PATCH] remove exam, remove exam_user and exam_progress

---
 app/Repositories/ExamRepository.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/app/Repositories/ExamRepository.php b/app/Repositories/ExamRepository.php
index 04be45a9..85030acc 100644
--- a/app/Repositories/ExamRepository.php
+++ b/app/Repositories/ExamRepository.php
@@ -94,8 +94,12 @@ class ExamRepository extends BaseRepository
     public function delete($id)
     {
         $exam = Exam::query()->findOrFail($id);
-        $result = $exam->delete();
-        return $result;
+        DB::transaction(function () use ($exam) {
+            ExamUser::query()->where('exam_id', $exam->id)->delete();
+            ExamProgress::query()->where('exam_id', $exam->id)->delete();
+            $exam->delete();
+        });
+        return true;
     }
 
     public function listIndexes()