blockchain/internal/usecase/binance.go

package usecase

import (
	"blockchain/internal/domain/blockchain"
	"blockchain/internal/domain/repository"
	"blockchain/internal/domain/usecase"
	"context"

	"code.30cm.net/digimon/library-go/errs"
	"github.com/zeromicro/go-zero/core/logx"
)

type BinanceUseCaseParam struct {
	BinanceRepo repository.DataSourceRepository
}

type BinanceUseCase struct {
	BinanceUseCaseParam
}

func MustBinanceUseCase(param BinanceUseCaseParam) usecase.DataSourceUseCase {
	return &BinanceUseCase{
		BinanceUseCaseParam: param,
	}
}

// GetSymbols implements usecase.DataSourceUseCase.
func (use *BinanceUseCase) GetSymbols(ctx context.Context) ([]*usecase.Symbol, error) {
	result, err := use.BinanceRepo.GetSymbols(ctx)
	if err != nil {
		e := errs.ThirdPartyErrorL(
			blockchain.CodeBlockchain,
			blockchain.FailedToGetSymbolFormBinanceErrorCode,
			logx.WithContext(ctx),
			[]logx.LogField{
				{Key: "func", Value: "BinanceUseCase.ThirdPartyErrorL"},
				{Key: "err", Value: err.Error()},
			},
			"failed to get symbols from binance").Wrap(err)

		return nil, e
	}

	rpy := make([]*usecase.Symbol, 0, len(result))
	for _, item := range result {
		rpy = append(rpy, &usecase.Symbol{
			Symbol:              item.Symbol,
			Status:              item.Status,
			BaseAsset:           item.BaseAsset,
			BaseAssetPrecision:  item.BaseAssetPrecision,
			QuoteAsset:          item.QuoteAsset,
			QuoteAssetPrecision: item.QuoteAssetPrecision,
		})
	}

	return rpy, nil
}

func (use *BinanceUseCase) UpsertKline(ctx context.Context, data usecase.QueryKline) error {
	origianData, err := use.BinanceRepo.FetchHistoryKline(ctx, repository.QueryKline{
		Symbol:        data.Symbol,
		Interval:      data.Interval,
		StartUnixNano: data.StartUnixNano,
		EndUnixNano:   data.EndUnixNano,
	})
	if err != nil {
		e := errs.ThirdPartyErrorL(
			blockchain.CodeBlockchain,
			blockchain.FailedToUpsertBinanceErrorCode,
			logx.WithContext(ctx),
			[]logx.LogField{
				{Key: "func", Value: "BinanceRepo.FetchHistoryKline"},
				{Key: "err", Value: err.Error()},
			},
			"failed to get kline history from binance").Wrap(err)

		return e
	}

	err = use.BinanceRepo.SaveHistoryKline(ctx, origianData)
	if err != nil {
		e := errs.DatabaseErrorWithScopeL(
			blockchain.CodeBlockchain,
			blockchain.FailedToUpsertBinanceErrorCode,
			logx.WithContext(ctx),
			[]logx.LogField{
				{Key: "func", Value: "BinanceRepo.SaveHistoryKline"},
				{Key: "err", Value: err.Error()},
			},
			"failed save data from binance").Wrap(err)

		return e
	}

	return nil
}