feat(training): 안전교육 실시 페이지 수정/삭제 기능 추가

대기 목록·완료 이력 양쪽에 수정/삭제 버튼 추가.
교육 기록 삭제 시 트랜잭션으로 출입 신청 상태를 approved로 복원.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tksafety/api/controllers/visitRequestController.js

@@ -280,6 +280,19 @@ exports.updateTrainingRecord = async (req, res) => {
   }
 };
 
+exports.deleteTrainingRecord = async (req, res) => {
+  try {
+    const result = await visitRequestModel.deleteTrainingRecord(req.params.id);
+    if (result.affectedRows === 0) {
+      return res.status(404).json({ success: false, message: '안전교육 기록을 찾을 수 없습니다.' });
+    }
+    res.json({ success: true, message: '안전교육 기록이 삭제되었습니다.' });
+  } catch (err) {
+    console.error('안전교육 기록 삭제 오류:', err);
+    res.status(500).json({ success: false, message: '안전교육 기록 삭제 중 오류가 발생했습니다.' });
+  }
+};
+
 exports.completeTraining = async (req, res) => {
   try {
     const trainingId = req.params.id;

tksafety/api/models/visitRequestModel.js

@@ -350,6 +350,42 @@ const completeTraining = async (trainingId, signatureData) => {
   return result;
 };
 
+const deleteTrainingRecord = async (trainingId) => {
+  const db = getPool();
+  const connection = await db.getConnection();
+  try {
+    await connection.beginTransaction();
+
+    // 1. training record 조회 → request_id 획득
+    const [rows] = await connection.query(
+      'SELECT training_id, request_id FROM safety_training_records WHERE training_id = ?',
+      [trainingId]
+    );
+    if (!rows.length) {
+      await connection.rollback();
+      return { affectedRows: 0 };
+    }
+    const requestId = rows[0].request_id;
+
+    // 2. training record 삭제
+    await connection.query('DELETE FROM safety_training_records WHERE training_id = ?', [trainingId]);
+
+    // 3. 출입 신청 상태를 approved로 복원
+    await connection.query(
+      "UPDATE workplace_visit_requests SET status = 'approved', updated_at = NOW() WHERE request_id = ?",
+      [requestId]
+    );
+
+    await connection.commit();
+    return { affectedRows: 1 };
+  } catch (err) {
+    await connection.rollback();
+    throw err;
+  } finally {
+    connection.release();
+  }
+};
+
 const getTrainingRecords = async (filters = {}) => {
   const db = getPool();
   let query = `
@@ -581,6 +617,7 @@ module.exports = {
   createTrainingRecord,
   getTrainingRecordByRequestId,
   updateTrainingRecord,
+  deleteTrainingRecord,
   completeTraining,
   getTrainingRecords,
   getAllCategories,

tksafety/api/routes/visitRequestRoutes.js

@@ -41,6 +41,7 @@ router.post('/training', requireAdmin, visitRequestController.createTrainingReco
 router.get('/training', visitRequestController.getTrainingRecords);
 router.get('/training/request/:requestId', visitRequestController.getTrainingRecordByRequestId);
 router.put('/training/:id', requireAdmin, visitRequestController.updateTrainingRecord);
+router.delete('/training/:id', requireAdmin, visitRequestController.deleteTrainingRecord);
 router.post('/training/:id/complete', requireAdmin, visitRequestController.completeTraining);
 
 module.exports = router;