新增了删除时检测剩余题目数量是否满足使用

api/requests/QuestionQaItem.go

@@ -30,6 +30,7 @@ type GetQuestionQaItemPageOrder struct {
 // DeleteQuestionQaItem 删除问答题库明细
 type DeleteQuestionQaItem struct {
 	ItemId []string `json:"item_id" form:"item_id" validate:"required" label:"明细id"`
+	QaId   string   `json:"qa_id" form:"qa_id" label:"题库id" validate:"required"`
 }
 
 // PutQuestionQaItemMust 修改必选

api/service/QuestionQaItem.go

@@ -15,6 +15,29 @@ type QuestionQaItemService struct {
 func (r *QuestionQaItemService) DeleteQuestionQaItem(req requests.DeleteQuestionQaItem) (bool, error) {
 	questionQaItemDao := dao.QuestionQaItemDao{}
 
+	qaId, err := strconv.ParseInt(req.QaId, 10, 64)
+	if err != nil {
+		return false, errors.New("删除失败")
+	}
+
+	// 获取题库数据
+	questionQaDao := dao.QuestionQaDao{}
+	questionQa, err := questionQaDao.GetQuestionQaById(qaId)
+	if err != nil {
+		return false, errors.New("题库错误")
+	}
+
+	// 获取题库明细数据
+	questionQaItems, err := questionQaItemDao.GetQuestionQaItemListByQaId(qaId)
+	if err != nil {
+		return false, errors.New("题库错误")
+	}
+
+	// 检测剩余题目数量是否满足使用
+	if questionQa.QaQuantity > (len(questionQaItems) - len(req.ItemId)) {
+		return false, errors.New("删除后剩余题目不满足题库使用")
+	}
+
 	// 开始事务
 	tx := global.Db.Begin()
 	defer func() {