新增了：发放系统优惠卷

api/controller/coupon.go

@@ -188,3 +188,94 @@ func (r *Coupon) PutSystemCouponStatus(c *gin.Context) {
 
 	responses.Ok(c)
 }
+
+// GetUserCouponPage 获取用户优惠卷列表-分页
+func (r *Coupon) GetUserCouponPage(c *gin.Context) {
+	couponRequest := requests.CouponRequest{}
+	req := couponRequest.GetUserCouponPage
+	if err := c.ShouldBindJSON(&req); err != nil {
+		responses.FailWithMessage(err.Error(), c)
+		return
+	}
+
+	// 参数验证
+	if err := global.Validate.Struct(req); err != nil {
+		responses.FailWithMessage(utils.Translate(err), c)
+		return
+	}
+
+	if req.Page == 0 {
+		req.Page = 1
+	}
+
+	if req.PageSize == 0 {
+		req.PageSize = 20
+	}
+
+	userCouponDao := dao.UserCouponDao{}
+	userCoupon, total, err := userCouponDao.GetUserCouponPageSearch(req, req.Page, req.PageSize)
+	if err != nil {
+		responses.FailWithMessage(err.Error(), c)
+		return
+	}
+
+	// 处理返回值
+	GetProductPlatformPageResponses := dto.GetUserCouponListDto(userCoupon)
+	if err != nil {
+		responses.FailWithMessage(err.Error(), c)
+		return
+	}
+
+	result := make(map[string]interface{})
+	result["page"] = req.Page
+	result["page_size"] = req.PageSize
+	result["total"] = total
+	result["data"] = GetProductPlatformPageResponses
+	responses.OkWithData(result, c)
+}
+
+// GrantSystemCoupon 发放系统优惠卷
+func (r *Coupon) GrantSystemCoupon(c *gin.Context) {
+	couponRequest := requests.CouponRequest{}
+	req := couponRequest.GrantSystemCoupon
+	if err := c.ShouldBindJSON(&req); err != nil {
+		responses.FailWithMessage(err.Error(), c)
+		return
+	}
+
+	// 参数验证
+	if err := global.Validate.Struct(req); err != nil {
+		responses.FailWithMessage(utils.Translate(err), c)
+		return
+	}
+
+	id := c.Param("coupon_id")
+	if id == "" {
+		responses.FailWithMessage("缺少参数", c)
+		return
+	}
+
+	// 将 id 转换为 int64 类型
+	couponId, err := strconv.ParseInt(id, 10, 64)
+	if err != nil {
+		responses.Fail(c)
+		return
+	}
+
+	// 获取当前登陆用户id
+	userId := c.GetInt64("UserId")
+	if userId == 0 {
+		responses.FailWithMessage("角色错误", c)
+		return
+	}
+
+	// 业务处理
+	couponService := service.CouponService{}
+	_, err = couponService.GrantSystemCoupon(couponId, userId, req)
+	if err != nil {
+		responses.FailWithMessage(err.Error(), c)
+		return
+	}
+
+	responses.Ok(c)
+}