优化交易创建流程，客户管理新增折扣与来源字段及功能

web/handlers/coupon.go

@@ -0,0 +1,105 @@
+package handlers
+
+import (
+	"platform/web/auth"
+	"platform/web/core"
+	g "platform/web/globals"
+	s "platform/web/services"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func PageCouponByAdmin(c *fiber.Ctx) error {
+	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeCouponRead)
+	if err != nil {
+		return err
+	}
+
+	var req core.PageReq
+	if err := g.Validator.ParseBody(c, &req); err != nil {
+		return err
+	}
+
+	list, total, err := s.Coupon.Page(&req)
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(core.PageResp{
+		Total: int(total),
+		Page:  req.GetPage(),
+		Size:  req.GetSize(),
+		List:  list,
+	})
+}
+
+func AllCouponsByAdmin(c *fiber.Ctx) error {
+	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeCouponRead)
+	if err != nil {
+		return err
+	}
+
+	list, err := s.Coupon.All()
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(list)
+}
+
+func CreateCoupon(c *fiber.Ctx) error {
+	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeCouponWrite)
+	if err != nil {
+		return err
+	}
+
+	var req s.CreateCouponData
+	if err := g.Validator.ParseBody(c, &req); err != nil {
+		return err
+	}
+
+	err = s.Coupon.Create(req)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func UpdateCoupon(c *fiber.Ctx) error {
+	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeCouponWrite)
+	if err != nil {
+		return err
+	}
+
+	var req s.UpdateCouponData
+	if err := g.Validator.ParseBody(c, &req); err != nil {
+		return err
+	}
+
+	err = s.Coupon.Update(req)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func DeleteCoupon(c *fiber.Ctx) error {
+	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeCouponWrite)
+	if err != nil {
+		return err
+	}
+
+	var req core.IdReq
+	if err := g.Validator.ParseBody(c, &req); err != nil {
+		return err
+	}
+
+	err = s.Coupon.Delete(req.Id)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}