feat(points): 增加积分兑换联系信息

backend/internal/modules/pointsmall/dto.go

@@ -56,7 +56,10 @@ type ProductRequest struct {
 }
 
 type RedeemRequest struct {
-	Quantity int `json:"quantity" binding:"required,min=1,max=10"`
+	Quantity       int    `json:"quantity" binding:"required,min=1,max=10"`
+	ContactName    string `json:"contact_name" binding:"required,max=32"`
+	ContactPhone   string `json:"contact_phone" binding:"required,len=11,numeric"`
+	CustomerRemark string `json:"customer_remark" binding:"max=500"`
 }
 
 type CompleteRedemptionRequest struct {
@@ -73,6 +76,9 @@ type RedemptionDTO struct {
 	ProductTitle           string     `json:"product_title"`
 	ProductCoverURL        string     `json:"product_cover_url"`
 	RedemptionInstructions string     `json:"redemption_instructions"`
+	ContactName            string     `json:"contact_name"`
+	ContactPhone           string     `json:"contact_phone"`
+	CustomerRemark         string     `json:"customer_remark"`
 	PointsPrice            int64      `json:"points_price"`
 	Quantity               int        `json:"quantity"`
 	TotalPoints            int64      `json:"total_points"`
@@ -111,6 +117,9 @@ func toRedemptionDTO(item model.PointsMallRedemption) RedemptionDTO {
 		ProductTitle:           item.ProductTitle,
 		ProductCoverURL:        item.ProductCoverURL,
 		RedemptionInstructions: item.RedemptionInstructions,
+		ContactName:            item.ContactName,
+		ContactPhone:           item.ContactPhone,
+		CustomerRemark:         item.CustomerRemark,
 		PointsPrice:            item.PointsPrice,
 		Quantity:               item.Quantity,
 		TotalPoints:            item.TotalPoints,