39 lines
2 KiB
Go
39 lines
2 KiB
Go
package repository
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import (
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"context"
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"time"
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"gitea.computernetthings.ru/yash/crypto_alert_bot/internal/entities"
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"github.com/shopspring/decimal"
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)
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type Storage interface {
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SaveUser(ctx context.Context, user *entities.User) (entities.UserID, error)
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UserByID(ctx context.Context, id entities.UserID) (*entities.User, error)
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UserByTelegramID(ctx context.Context, tgID entities.TelegramID) (*entities.User, error)
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// InstrumentList returns instruments visible to userID: global ones plus any
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// the user has explicitly added.
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InstrumentList(ctx context.Context, userID entities.UserID, offset, limit int) ([]entities.Instrument, error)
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// CreateInstrument upserts the instrument (and its currencies) and returns the ID,
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// whether the row was just created or already existed.
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CreateInstrument(ctx context.Context, instrument *entities.Instrument) (entities.InstrumentID, error)
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// AddUserInstrument links an instrument to a user (idempotent).
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AddUserInstrument(ctx context.Context, userID entities.UserID, instrumentID entities.InstrumentID) error
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// RemoveUserInstrument removes a user's link to a non-global instrument.
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RemoveUserInstrument(ctx context.Context, userID entities.UserID, instrumentID entities.InstrumentID) error
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SaveAlert(ctx context.Context, alert *entities.Alert) (entities.AlertID, error)
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AllActiveAlerts(ctx context.Context) ([]entities.Alert, error)
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AlertByID(ctx context.Context, id entities.AlertID) (*entities.Alert, error)
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AlertsByUserID(ctx context.Context, userID entities.UserID, offset, limit int) ([]entities.Alert, error)
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DeleteAlert(ctx context.Context, id entities.AlertID) error
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DisableAlert(ctx context.Context, id entities.AlertID) error
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UpdateAlertPrice(ctx context.Context, id entities.AlertID, price decimal.Decimal) error
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// GetLastAlertCheck returns the time of the last completed alert check.
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// Returns zero time if no check has been recorded yet.
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GetLastAlertCheck(ctx context.Context) (time.Time, error)
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SetLastAlertCheck(ctx context.Context, t time.Time) error
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}
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