back/internal/api/mobile/aftersales/refund.go

package aftersales

import (
	"fmt"
	"recook/internal/back"
	"recook/internal/dbc"
	"recook/internal/libs/snow"
	"recook/internal/model/aftersales"
	"recook/internal/model/goods"
	"recook/internal/model/order"
	"recook/internal/v2/hook"
	"recook/internal/v2/lib/common"
	"recook/internal/v2/lib/jcook"
	"recook/internal/v2/model/recook/after"
	"recook/tools"
	"time"

	"github.com/gin-gonic/gin"
	"github.com/golangkit/formatime"
	"github.com/shopspring/decimal"
)

type applyRefundParam struct {
	UserID        uint            `json:"userId"`
	OrderGoodsIDs []uint          `json:"orderGoodsIds"`
	Coin          decimal.Decimal `json:"coin"`          //允许发货订单发起仅退款的数字，
	ReasonContent string          `json:"reasonContent"` //如果是已发货的话，必须填写申请理由
	ReasonImg     string          `json:"reasonImg"`
}

// RefundOrder 退款
//
//标记订单有售后痕迹
//生成退款记录
//
//钱包支付；退回商品用过的的余额
//退回优惠券
//退回运费
func RefundOrder(c *gin.Context) {
	var p applyRefundParam
	err := tools.ParseParams(&p, c)
	if err != nil {
		back.Fail(c, err.Error())
		return
	}

	if len(p.OrderGoodsIDs) == 0 {
		back.Fail(c, "参数不完整")
		return
	}

	var temp order.GoodsDetail
	err = dbc.DB.First(&temp, p.OrderGoodsIDs[0]).Error
	if err != nil {
		back.Fail(c, err.Error())
		return
	}
	var orderTemp order.Information
	err = dbc.DB.First(&orderTemp, temp.OrderID).Error
	if err != nil {
		back.Fail(c, err.Error())
		return
	}

	if (orderTemp.Kind == 1 || orderTemp.Kind == 2) && orderTemp.JCookStatus == 0 {
		var ogs []order.GoodsDetail
		err = dbc.DB.Find(&ogs, "order_id = ?", orderTemp.ID).Error
		if err != nil {
			back.Fail(c, err.Error())
			return
		}
		ids := make([]uint, 0)
		for _, v := range ogs {
			ids = append(ids, v.ID)
		}
		p.OrderGoodsIDs = ids
	}

	orderGoodsList := make([]order.GoodsDetail, 0, 0)
	for _, v := range p.OrderGoodsIDs {
		var one order.GoodsDetail
		err = dbc.DB.First(&one, v).Error
		if err != nil {
			back.Fail(c, err.Error())
			return
		}

		var count uint
		dbc.DB.Table((&aftersales.Goods{}).TableName()).Where(aftersales.Goods{
			OrderGoodsID: v,
		}).Count(&count)
		if count >= 3 {
			back.Fail(c, one.GoodsName+"已超过三次售后申请，不可再次申请")
			return
		}

		orderGoodsList = append(orderGoodsList, one)
	}

	var orderInfo order.Information
	if err = dbc.DB.First(&orderInfo, orderGoodsList[0].OrderID).Error; err != nil {
		back.Fail(c, err.Error())
		return
	}

	if orderInfo.Status == 4 {
		back.Fail(c, "已超过售后期限")
		return
	}

	if time.Now().Unix() >= orderInfo.CreatedAt.Time.AddDate(0, 0, 18).Unix() {
		back.Fail(c, "关账时间已过，无法发起售后")
		return
	}

	var asCount uint
	dbc.DB.Table((&aftersales.Goods{}).TableName()).Where("order_id = ?", orderInfo.ID).Count(&asCount)
	if asCount > 20 {
		back.Fail(c, "单笔订单售后次数最多20次，您已经超过上线")
		return
	}

	for _, v := range orderGoodsList {

		if v.PayStatus == 0 {
			back.Fail(c, "当前订单未支付")
			return
		}

		if v.AssType != 0 {
			back.Fail(c, "请勿重复申请")
			return
		}
		if v.GoodsAmount.LessThan(p.Coin) {
			back.Err(c, "计算错误！！！ 退款金额大于总金额")
			return
		}
		//如果是已经发货的
		if v.ExpressStatus == 1 {
			if len(p.ReasonContent) == 0 {
				back.Fail(c, "请填写申请理由")
				return
			}
			if p.Coin.LessThanOrEqual(decimal.NewFromInt(0)) {
				back.Fail(c, "申请补偿订单必须大于0")
				return
			}
		}
	}

	var goodsIds []uint
	for _, detail := range orderGoodsList {
		goodsIds = append(goodsIds, detail.GoodsID)
	}
	var goodsInfos []goods.Information
	dbc.DB.Model(&goods.Information{}).Find(&goodsInfos, "id in (?)", goodsIds)
	goodsInfoMap := map[uint]goods.Information{}
	for _, info := range goodsInfos {
		goodsInfoMap[info.ID] = info
	}
	var ids []uint
	for i, v := range orderGoodsList {
		goodsDetail := orderGoodsList[i]
		asGoods := aftersales.Goods{
			AncestorID:       v.AncestorID,
			ParentID:         v.ParentID,
			SharerID:         orderInfo.SharerID,
			UserID:           v.UserID,
			UserRole:         orderInfo.UserRole,
			OrderID:          v.OrderID,
			OrderGoodsID:     v.ID,
			VendorID:         v.VendorID,
			VendorName:       v.VendorName,
			BrandName:        v.BrandName,
			CategoryName:     v.CategoryName,
			GoodsID:          v.GoodsID,
			GoodsName:        v.GoodsName,
			SkuName:          v.SkuName,
			SkuCode:          v.SkuCode,
			MainPhotoURL:     v.MainPhotoURL,
			Quantity:         v.Quantity,
			OrderTime:        v.OrderTime,
			OrderTotalAmount: orderInfo.ActualTotalAmount,
			RefundAmount:     v.ActualAmount, //这个就是最后实际支付的价格
			RefundCoin:       v.CoinAmount,
			TradeNo:          orderInfo.TradeNo,
			PayMethod:        orderInfo.PayMethod,
			ThirdPartyType:   goodsInfoMap[v.GoodsID].ThirdPartyType,
			IsShip:           v.ExpressStatus,
			AssType:          1,
			ReturnStatus:     1,
			ApplyTime:        formatime.NewSecondNow(),
			ReasonImg:        p.ReasonImg,
			ReasonContent:    p.ReasonContent,
			RefundNo:         fmt.Sprintf("%d_%vA%d", time.Now().Unix(), orderInfo.TradeNo, goodsDetail.ID),
		}
		//如果是已经发货的订单，需要在售后里面把实际支付改成功0，将瑞币改成提交过来的数字
		if asGoods.IsShip == 1 {
			// 认为是补偿订单
			asGoods.AssType = 3
			if p.Coin.GreaterThan(v.ActualAmount.Add(v.CoinAmount)) {
				back.Fail(c, "补偿金额超过最大金额")
				return
			}

			if p.Coin.GreaterThan(v.ActualAmount) && p.Coin.LessThanOrEqual(v.ActualAmount.Add(v.CoinAmount)) {
				asGoods.RefundAmount = v.ActualAmount.Truncate(2)
				asGoods.RefundCoin = p.Coin.Sub(v.ActualAmount).Truncate(2)
			}
			if p.Coin.LessThan(v.ActualAmount) {
				asGoods.RefundAmount = p.Coin.Truncate(2)
				asGoods.RefundCoin = decimal.NewFromInt(0)
			}
		}

		tx := dbc.DB.Begin()
		{
			lastID, e := snow.GetAfsWorker().NextID()
			if e != nil {
				back.Err(c, "网络异常,请稍后重试")
				tx.Rollback()
				return
			}
			asGoods.ID = uint(lastID)
			if asGoods.IsShip == 1 {
				tx.Model(&goodsDetail).Updates(order.GoodsDetail{
					AssType: 3,
				})
			} else {
				tx.Model(&goodsDetail).Updates(order.GoodsDetail{
					AssType: 1,
				})
			}

			if err = tx.Create(&asGoods).Error; err != nil {
				back.Err(c, err.Error())
				tx.Rollback()
				return
			}
			ids = append(ids, asGoods.ID)
			if err := hook.AfterHook.Create(&goodsDetail, &asGoods); err != nil {
				back.Err(c, err.Error())
				tx.Rollback()
				return
			}
			//这里插入日志
			user, _ := common.GetManageUser(c)
			Log := aftersales.AftersalesLog{
				AsId:    uint(lastID),
				Title:   "买家申请仅退款",
				Content: "退款原因：" + p.ReasonContent + "|退款金额：" + (asGoods.RefundAmount).String() + "|退回瑞币：" + asGoods.RefundCoin.String(),
				Ctime:   formatime.NewSecondNow(),
				User:    user.Name,
				UserId:  user.Id,
			}
			tx.Create(&Log)

			if (orderInfo.Kind == 1 || orderInfo.Kind == 2) && orderInfo.ApplyStatus != 11 && orderInfo.ApplyStatus != 12 && orderInfo.JCookStatus == 0 {
				client := jcook.GetClient()
				req := jcook.OrderCancelReq{
					OrderID:          orderInfo.JCookOrderID,
					CancelReasonCode: 100,
				}
				var resp jcook.OrderCancelResp
				if err = client.Exec(req, &resp); err != nil {
					tx.Rollback()
					back.Suc(c, "申请失败", nil)
					return
				}
				if resp.CancelStatus == 1 {
					tx.Model(orderInfo).Update("apply_status", 12) // 取消申请失败
				} else {
					tx.Model(orderInfo).Update("apply_status", 11) // 取消申请成功
				}
			}

		}
		tx.Commit()
	}

	c.Set("status", "AfterApply")
	c.Set("id", ids)

	back.Suc(c, "申请成功，请等待商家审核", nil)
}

type CannelAfterOrderPem struct {
	ID uint `json:"orderGoodsId"`
}

//撤销售后的申请
//有售后，且售后未完结，才能撤销
//refund_status=1,express_status=1，ass_type！=0才能申请撤销退款
func CannelAfterOrder(c *gin.Context) {
	var p CannelAfterOrderPem
	err := tools.ParseParams(&p, c)
	if err != nil {
		back.Fail(c, err.Error())
		return
	}
	userlog, _ := common.GetManageUser(c)

	var orderGoodsDea order.GoodsDetail
	dbc.DB.First(&orderGoodsDea, "id=? and express_status=1 and ass_type!=0", p.ID)
	if orderGoodsDea.ID <= 0 {
		back.Fail(c, "该订单无法撤销售后")
		return
	}
	//去撤销售后
	dbc.DB.Table("recook_order_goods_detail").Where("id=?", p.ID).Update(map[string]interface{}{
		"ass_type": 0,
	})
	var idlist []uint
	var afterOrder after.RecookAfterSalesGoodsModel
	dbc.DB.Order("id desc").First(&afterOrder, "order_goods_id=?", p.ID)
	if afterOrder.Id > 0 {
		dbc.DB.Model(&afterOrder).Updates(aftersales.Goods{
			ReturnStatus: 6,
			RejectReason: "买家主动撤销",
			FinishTime:   formatime.NewSecondNow(),
			IsClosed:     1,
		})

		hook.AfterHook.Close(&afterOrder)

		aftersalesLog := aftersales.AftersalesLog{
			AsId:    afterOrder.Id,
			Title:   "主动撤销",
			Content: "买家主动撤销售后",
			Ctime:   formatime.NewSecondNow(),
			User:    userlog.Name,
			UserId:  userlog.Id,
		}
		dbc.DB.Create(&aftersalesLog)

	}
	idlist = append(idlist, afterOrder.Id)
	c.Set("status", "AfterApply")
	c.Set("id", idlist)
	back.Suc(c, "", nil)

}