猜你喜欢去除重复

api/controller/Question.go

@@ -354,6 +354,7 @@ func (b *Question) GetGuessUserLikeList(c *gin.Context) {
 	questions, err := questionService.GetGuessUserLIkeList(userId)
 	if err != nil {
 		responses.OkWithData(nil, c)
+		return
 	}
 
 	// 处理返回值

api/dao/OrderSingle.go

@@ -117,6 +117,21 @@ func (r *OrderSingleDao) GetOrderSingleOrderList(maps interface{}, orderField st
 	return m, nil
 }
 
+// GetOrderSingleOrderDistinctList 获取列表-排序-不重复
+func (r *OrderSingleDao) GetOrderSingleOrderDistinctList(maps interface{}, orderField string, limit int) (m []*model.OrderSingle, err error) {
+	err = global.Db.Where(maps).
+		Preload(clause.Associations).
+		Distinct("order_single.question_id").
+		Order(orderField).
+		Limit(limit).
+		Find(&m).
+		Error
+	if err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 // GetOrderSinglePageSearch 获取列表-分页
 func (r *OrderSingleDao) GetOrderSinglePageSearch(req requests.GetOrderSinglePage, page, pageSize int) (m []*model.OrderSingle, total int64, err error) {
 	var totalRecords int64

api/service/Question.go

@@ -52,7 +52,7 @@ func (r *QuestionService) GetGuessUserLIkeList(userId int64) (m []*model.Questio
 	if userId != 0 {
 		maps := make(map[string]interface{})
 		maps["user_id"] = userId
-		orderSingles, err := orderSingleDao.GetOrderSingleOrderList(maps, "created_at desc", 3)
+		orderSingles, err := orderSingleDao.GetOrderSingleOrderDistinctList(maps, "created_at desc", 3)
 		if err != nil {
 			return nil, err
 		}