app-cloudep-order-server/internal/logic/orderservice/get_order_logic.go

package orderservicelogic

import (
	"app-cloudep-order-server/gen_result/pb/order"
	"context"
	"fmt"

	ers "code.30cm.net/digimon/library-go/errs"
	"github.com/shopspring/decimal"

	"app-cloudep-order-server/internal/svc"

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

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

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

// GetOrderQuery 取得訂單
type GetOrderQuery struct {
	BusinessID string `json:"business_id" validate:"required"`
}

// GetOrder 取得訂單詳情
func (l *GetOrderLogic) GetOrder(in *order.GetOrderReq) (*order.GetOrderResp, error) {
	// 驗證資料
	if err := l.svcCtx.Validate.ValidateAll(&GetOrderQuery{
		BusinessID: in.GetBusinessId(),
	}); err != nil {
		// 錯誤代碼 06-011-00
		return nil, ers.InvalidFormat(err.Error())
	}

	o, err := l.svcCtx.OrderModel.FindOneBusinessID(l.ctx, in.GetBusinessId())
	if err != nil {
		return nil, err
	}
	fmt.Println(o)

	return &order.GetOrderResp{
		UpdateTime:  o.UpdateTime,
		CreateTime:  o.CreateTime,
		BusinessId:  o.BusinessID,
		OrderType:   int32(o.OrderType),
		OrderStatus: int32(o.OrderStatus),
		Brand:       o.Brand,
		OrderUid:    o.OrderUID,
		ReferenceId: o.ReferenceID,
		Count:       o.Count.String(),
		OrderFee:    o.OrderFee.String(),
		Amount:      o.Amount.String(),
		// 下面的為未來擴充用的欄位
		ReferenceBrand:       nilString(o.ReferenceBrand),
		ReferenceUid:         nilString(o.ReferenceUID),
		WalletStatus:         nilInt64(o.WalletStatus),
		ThreePartyStatus:     nilInt64(o.ThreePartyStatus),
		DirectionType:        nilInt64(o.DirectionType),
		CryptoType:           nilString(o.CryptoType),
		ThirdPartyFee:        decimalToString(o.ThirdPartyFee),
		CryptoToUsdtRate:     decimalToString(o.CryptoToUSDTRate),
		FiatToUsdRate:        decimalToString(o.FiatToUSDRate),
		FeeCryptoToUsdtRate:  decimalToString(o.FeeCryptoToUSDTRate),
		UsdtToCryptoTypeRate: decimalToString(o.USDTToCryptoTypeRate),
		PaymentFiat:          nilString(o.PaymentFiat),
		PaymentUnitPrice:     decimalToString(o.PaymentUnitPrice),
		PaymentTemplateId:    nilString(o.PaymentTemplateID),
		OrderArrivalTime:     nilInt64(o.OrderArrivalTime),
		OrderPaymentTime:     nilInt64(o.OrderPaymentTime),
		UnpaidTimeoutSecond:  nilInt64(o.UnpaidTimeoutSecond),
		ChainType:            nilString(o.ChainType),
		TxHash:               nilString(o.TxHash),
		FromAddress:          nilString(o.FromAddress),
		ToAddress:            nilString(o.ToAddress),
		ChainFee:             decimalToString(o.ChainFee),
		ChainFeeCrypto:       nilString(o.ChainFeeCrypto),
		Memo:                 nilString(o.Memo),
		OrderNote:            nilString(o.OrderNote),
	}, nil
}

func decimalToString(amount *decimal.Decimal) *string {
	if amount == nil {
		return nil
	}
	a := amount.String()

	return &a
}

func nilString(s *string) *string {
	if s == nil {
		return nil
	}
	return s
}

func nilInt64(i *int64) *int64 {
	if i == nil {
		return nil
	}

	return i
}