feat(points): 增加积分兑换联系信息

backend/internal/modules/pointsmall/repository_test.go

@@ -27,13 +27,29 @@ func TestRedeemDeductsAvailablePointsAndStock(t *testing.T) {
 		t.Fatalf("create product failed: %v", err)
 	}
 	repo := NewRepository(db)
-	redemption, err := repo.Redeem(t.Context(), user.ID, product.ID, 2)
+	req := RedeemRequest{
+		Quantity:       2,
+		ContactName:    "张三",
+		ContactPhone:   "13800138000",
+		CustomerRemark: "请发送到邮箱",
+	}
+	invalidReq := req
+	invalidReq.ContactPhone = "123"
+	if _, err := repo.Redeem(t.Context(), user.ID, product.ID, invalidReq); !errors.Is(err, ErrInvalidInput) {
+		t.Fatalf("invalid contact phone error = %v, want ErrInvalidInput", err)
+	}
+	redemption, err := repo.Redeem(t.Context(), user.ID, product.ID, req)
 	if err != nil {
 		t.Fatalf("redeem failed: %v", err)
 	}
 	if redemption.TotalPoints != 200 {
 		t.Fatalf("total points = %d, want 200", redemption.TotalPoints)
 	}
+	if redemption.ContactName != req.ContactName ||
+		redemption.ContactPhone != req.ContactPhone ||
+		redemption.CustomerRemark != req.CustomerRemark {
+		t.Fatalf("redemption contact = %+v, want %+v", redemption, req)
+	}
 	var savedUser model.User
 	if err := db.First(&savedUser, user.ID).Error; err != nil {
 		t.Fatalf("find user failed: %v", err)
@@ -48,7 +64,8 @@ func TestRedeemDeductsAvailablePointsAndStock(t *testing.T) {
 	if savedProduct.Stock != 0 || savedProduct.RedeemedCount != 2 {
 		t.Fatalf("product stock/redeemed = %d/%d", savedProduct.Stock, savedProduct.RedeemedCount)
 	}
-	if _, err := repo.Redeem(t.Context(), user.ID, product.ID, 1); !errors.Is(err, ErrRedeemLimitExceeded) && !errors.Is(err, ErrProductUnavailable) {
+	req.Quantity = 1
+	if _, err := repo.Redeem(t.Context(), user.ID, product.ID, req); !errors.Is(err, ErrRedeemLimitExceeded) && !errors.Is(err, ErrProductUnavailable) {
 		t.Fatalf("repeat redeem error = %v, want limit or unavailable", err)
 	}
 	completed, err := repo.CompleteRedemption(t.Context(), 99, redemption.ID, "已发放")