app-cloudep-trade-service/internal/logic/orderservice/cancel_order_logic.go

package orderservicelogic

import (
	"app-cloudep-trade-service/internal/domain/order"
	"app-cloudep-trade-service/internal/domain/usecase"
	"context"

	ers "code.30cm.net/digimon/library-go/errs"

	"app-cloudep-trade-service/gen_result/pb/trade"
	"app-cloudep-trade-service/internal/svc"

	"github.com/zeromicro/go-zero/core/logx"
)

type CancelOrderLogic struct {
	ctx    context.Context
	svcCtx *svc.ServiceContext
	logx.Logger
}

func NewCancelOrderLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CancelOrderLogic {
	return &CancelOrderLogic{
		ctx:    ctx,
		svcCtx: svcCtx,
		Logger: logx.WithContext(ctx),
	}
}

// CancelOrderQuery 1.建單失敗 9.交易取消 10.交易異常
type CancelOrderQuery struct {
	BusinessID string `json:"business_id" validate:"required"`
	Status     int64  `json:"status" validate:"required,oneof=1 9 10"`
}

// CancelOrder 取消訂單
func (l *CancelOrderLogic) CancelOrder(in *trade.CancelOrderReq) (*trade.OKResp, error) {
	// 驗證資料
	if err := l.svcCtx.Validate.ValidateAll(&CancelOrderQuery{
		BusinessID: in.GetBusinessId(),
		Status:     in.GetStatus(),
	}); err != nil {
		// 錯誤代碼 06-011-00
		return nil, ers.InvalidFormat(err.Error())
	}

	err := l.svcCtx.OrderUseCase.CancelOrder(l.ctx, usecase.CancelOrderQuery{
		BusinessID: in.GetBusinessId(),
		Status:     order.Status(in.GetStatus()),
	})
	if err != nil {
		return nil, err
	}

	return &trade.OKResp{}, nil
}