hd/controllers/client/good.go

package client

import (
	"github.com/ouxuanserver/osmanthuswine/src/core"
	"hudongzhuanjia/controllers"
	"hudongzhuanjia/models"
	pay_service "hudongzhuanjia/services/pay"
	"hudongzhuanjia/utils/code"
	"time"
)

type GoodCtl struct {
	controllers.AuthorCtl
}

// 商品列表
func (t *GoodCtl) ListGood() {
	activityId := t.MustGetInt64("activity_id")
	areaId := t.MustGetInt64("area_id")

	goods, err := models.GetGoodsByActivityId(activityId, areaId)
	t.CheckErr(err)

	t.JSON(goods)
}

func (t *GoodCtl) ListOrder() {
	activityId := t.MustGetInt64("activity_id")
	status := t.MustGetInt("status")
	areaId := t.MustGetInt64("area_id")

	activity := new(models.Activity)
	exist, err := models.GetById(activity, activityId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_ACTIVITY_NOT_EXIST, "互动不存在")

	orders, err := models.GetCustomerOrdersByActivityId(activity.Id, activity.RehearsalId, areaId, status)
	t.CheckErr(err)

	t.JSON(orders)
}

// 下订单
func (t *GoodCtl) Order() {
	userId := t.MustGetUID() //
	activityId := t.MustGetInt64("activity_id")
	areaId := t.MustGetInt64("area_id") // 地区id
	name := t.MustGet("name")           // 收货人名字
	phone := t.MustGet("phone")         // 收货电话
	address := t.MustGet("address")     // 收货地址
	goodId := t.MustGetInt64("good_id") // 商品id
	num := t.MustGetInt("num")          // 商品数量
	_type := t.MustGetInt("delivery")   // 配送: 1 快递免邮 2 快递 xxx 3 自提 4 到付

	fee, exist := t.GetDouble("fee") // 快递费用
	if _type == 2 && !exist || fee == 0 {
		t.ERROR("fee参数错误", code.MSG_ERR_Param)
		return
	}

	activity := new(models.Activity)
	exist, err := models.GetById(activity, activityId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_ACTIVITY_NOT_EXIST, "互动不存在")

	area := new(models.AreaStore)
	exist, err = models.GetById(area, areaId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_AREASTORE_NOT_EXIST, "地区不存在")

	user := new(models.User)
	exist, err = models.GetById(user, userId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_USER_NOT_EXIST, "用户不存在")

	// 注意库存 --> 开启事务
	session := core.GetXormAuto().NewSession()
	defer session.Close()
	session.Begin()

	good := new(models.CustomerGoods)
	exist, err = session.Where("is_delete=0 and id=?", goodId).Get(good)
	if err != nil || !exist {
		session.Rollback()
		t.ERROR("商品信息异常", code.MSG_DATA_NOT_EXIST)
	}
	if good.Stock == 0 {
		session.Rollback()
		t.ERROR("商品库存不足", code.MSG_DATA_NOT_EXIST)
	}
	if good.Stock > 0 {
		good.Stock--
		_, err = session.ID(good.Id).Cols("stock").Update(good)
		if err != nil {
			session.Rollback()
			t.CheckErr(err)
		}
	}

	res, err := pay_service.UnifiedOrder("欧轩互动-直播商品", user.Openid, int64(int(good.Price*100)*num), 4, userId, activity.Id)
	if err != nil {
		session.Rollback()
		t.CheckErr(err)
	}

	order := new(models.CustomerOrder)
	order.AreaId = areaId
	order.AreaName = area.Name
	order.RehearsalId = activity.RehearsalId
	order.BuyerId = userId
	order.GoodsId = goodId
	order.GoodsName = good.Name
	order.ActivityId = activity.Id
	order.TotalAmount = float64(num) * good.Price
	order.PayAmount = order.TotalAmount
	order.OutTradeNo = res["out_trade_no"].(string)
	order.GoodsNum = num
	order.Address = address
	order.Receiver = name
	order.Phone = phone
	order.Postage = fee
	order.Status = 0
	order.IsDelete = false
	order.CreatedAt = time.Now()
	order.UpdatedAt = time.Now()
	_, err = session.InsertOne(order)
	if err != nil {
		session.Rollback()
		t.CheckErr(err)
	}
	session.Commit()

	res["order_id"] = order.Id
	t.JSON(res)
}

// 为支付的重新支付
func (t *GoodCtl) Reorder() {
	outTradeNo := t.MustGet("out_trade_no")

	res, err := pay_service.ReOrder(outTradeNo)
	t.CheckErr(err)
	t.JSON(res)
}