get_order_all_pending_order_logic.go

package logic

import (
	"context"
	"github.com/luxun9527/gex/common/proto/enum"

	"github.com/luxun9527/gex/app/order/rpc/internal/svc"
	"github.com/luxun9527/gex/app/order/rpc/pb"

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

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

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

// 获取所有订单状态为未成交或部分成交的订单
func (l *GetOrderAllPendingOrderLogic) GetOrderAllPendingOrder(in *pb.OrderEmpty, stream pb.OrderService_GetOrderAllPendingOrderServer) error {
	entrustOrder := l.svcCtx.Query.EntrustOrder
	for i := 0; true; i++ {
		result, _, err := entrustOrder.WithContext(l.ctx).
			Where(entrustOrder.Status.Eq(int32(enum.OrderStatus_NewCreated))).
			Or(entrustOrder.Status.Eq(int32(enum.OrderStatus_PartFilled))).
			Order(entrustOrder.ID).
			FindByPage(i*1000, 1000)
		if len(result) == 0 {
			break
		}
		if err != nil {
			logx.Errorw("query pending order failed", logx.Field("err", err))
			break
		}
		for _, v := range result {
			d := &pb.GetOrderAllPendingOrderResp{
				OrderId:        v.OrderID,
				SequenceId:     v.ID,
				Uid:            v.UserID,
				Side:           enum.Side(v.Side),
				Price:          v.Price,
				Qty:            v.Qty,
				Amount:         v.Amount,
				OrderType:      enum.OrderType(v.OrderType),
				UnFilledAmount: v.UnFilledAmount,
				UnFilledQty:    v.UnFilledQty,
			}
			if err := stream.Send(d); err != nil {
				logx.Errorw("send order to match failed", logx.Field("err", err))
			}

		}
	}
	//发送结束
	d := &pb.GetOrderAllPendingOrderResp{
		Done: true,
	}
	if err := stream.Send(d); err != nil {
		logx.Errorw("send order to match failed", logx.Field("err", err))
	}
	return nil
}