first version

internal/instruments/registry.go

@@ -0,0 +1,61 @@
+package instruments
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"overnight-trading-bot/internal/domain"
+	"overnight-trading-bot/internal/repository"
+	"overnight-trading-bot/internal/tinvest"
+)
+
+type Registry struct {
+	repo    repository.Repository
+	gateway tinvest.Gateway
+}
+
+func NewRegistry(repo repository.Repository, gateway tinvest.Gateway) Registry {
+	return Registry{repo: repo, gateway: gateway}
+}
+
+func (r Registry) SyncMetadata(ctx context.Context) error {
+	instruments, err := r.repo.ListInstruments(ctx, true)
+	if err != nil {
+		return err
+	}
+	for _, instrument := range instruments {
+		if strings.HasPrefix(instrument.InstrumentUID, "PENDING:") || !instrument.MetadataValid() {
+			remote, err := r.gateway.GetInstrument(ctx, instrument.Ticker, instrument.ClassCode)
+			if err != nil {
+				return fmt.Errorf("sync %s: %w", instrument.Ticker, err)
+			}
+			remote.Enabled = instrument.Enabled && remote.Enabled
+			remote.FundType = instrument.FundType
+			remote.ExpectedCommissionBpsPerSide = instrument.ExpectedCommissionBpsPerSide
+			remote.FreeOrderLimitPerDay = instrument.FreeOrderLimitPerDay
+			remote.Quarantine = instrument.Quarantine
+			remote.QuarantineReason = instrument.QuarantineReason
+			remote.ExcludeReason = instrument.ExcludeReason
+			if err := r.repo.ReplaceInstrument(ctx, instrument.InstrumentUID, remote); err != nil {
+				return fmt.Errorf("replace synced instrument %s: %w", instrument.Ticker, err)
+			}
+		}
+	}
+	return nil
+}
+
+func CheckInstrument(instrument domain.Instrument, status domain.TradingStatus) error {
+	switch {
+	case !instrument.Enabled:
+		return fmt.Errorf("%s disabled", instrument.Ticker)
+	case instrument.Quarantine:
+		return fmt.Errorf("%s quarantined: %s", instrument.Ticker, instrument.QuarantineReason)
+	case !instrument.MetadataValid():
+		return fmt.Errorf("%s invalid metadata", instrument.Ticker)
+	case status != domain.TradingStatusNormal:
+		return fmt.Errorf("%s trading status %s", instrument.Ticker, status)
+	default:
+		return nil
+	}
+}