新增了 检测题目关联的题库数量是否充足-减去对应数量后

api/service/Question.go

@@ -872,6 +872,14 @@ func (r *QuestionService) DeleteQuestion(req requests.DeleteQuestion) (bool, err
 			return false, errors.New("题目不存在")
 		}
 
+		// 检测题目关联的题库数量是否充足-减去对应数量后
+		questionQaService := QuestionQaService{}
+		res, err := questionQaService.CheckQuestionRelationQaQuantitySub(questionId, 1)
+		if res == false {
+			tx.Rollback()
+			return false, err
+		}
+
 		// 删除选项
 		err = questionOptionDao.DeleteQuestionOptionByQuestionId(tx, questionId)
 		if err != nil {

api/service/QuestionQa.go

@@ -1323,3 +1323,34 @@ func (r *QuestionQaService) CheckQuestionQaItemRepeat(items []*requests.Question
 	}
 	return true
 }
+
+// CheckQuestionRelationQaQuantitySub 检测题目关联的题库数量是否充足-减去对应数量后
+func (r *QuestionQaService) CheckQuestionRelationQaQuantitySub(questionId int64, num int) (bool, error) {
+	// 获取关联题库id
+	questionQaItemDao := dao.QuestionQaItemDao{}
+	questionQaItems, err := questionQaItemDao.GetQuestionQaItemListByQuestionIdDistinctQaId(questionId)
+	if err != nil {
+		return false, err
+	}
+
+	questionQaDao := dao.QuestionQaDao{}
+	for _, item := range questionQaItems {
+		// 获取题库数据
+		questionQa, err := questionQaDao.GetQuestionQaById(item.QaId)
+		if err != nil {
+			return false, err
+		}
+
+		// 获取明细数据
+		questionQaItems, err = questionQaItemDao.GetQuestionQaItemListByQaId(item.QaId)
+		if err != nil {
+			return false, err
+		}
+
+		if (len(questionQaItems) - num) < questionQa.QaQuantity {
+			return false, errors.New("关联题库:" + questionQa.QaName + " 题目数量不足")
+		}
+	}
+
+	return true, nil
+}