back/internal/api/manage/newertehui/create.go

package newertehui

import (
	"github.com/gin-gonic/gin"
	"recook/internal/back"
	"recook/internal/dbc"
	"recook/internal/model/newertehui"
	"recook/tools"
)

type tehuiParams struct {
	CouponID  uint   `json:"couponId" validate:"required"`
	GoodsList []uint `json:"goodsList" validate:"required"`
}

func CreateTehui(c *gin.Context) {
	var p tehuiParams
	if err := tools.Params(&p, c); err != nil {
		back.Fail(c, err.Error())
		return
	}

	var info newertehui.Info
	dbc.DB.First(&info)

	var goodsList []newertehui.Goods
	dbc.DB.Find(&goodsList)

	tx := dbc.DB.Begin()
	{
		if err := tx.Delete(newertehui.Info{}).Error; err != nil {
			back.Err(c, err.Error())
			tx.Rollback()
			return
		}

		if err := tx.Delete(newertehui.Goods{}).Error; err != nil {
			back.Err(c, err.Error())
			tx.Rollback()
			return
		}

		info := newertehui.Info{
			CouponID: p.CouponID,
		}
		if err := tx.Create(&info).Error; err != nil {
			back.Err(c, err.Error())
			tx.Rollback()
			return
		}

		for _, v := range p.GoodsList {
			g := newertehui.Goods{
				TehuiID: info.ID,
				GoodsId: v,
			}
			if err := tx.Create(&g).Error; err != nil {
				back.Err(c, err.Error())
				tx.Rollback()
				return
			}
		}
	}
	tx.Commit()

	back.Suc(c, "", nil)
}