biz

type Echo struct {
	ID          int
	Message     string
	EchoMessage string
	CreateTime  *time.Time
}

type EchoCase struct {
	// contains filtered or unexported fields
}

type EchoRepo interface {
	CreateEcho(ctx context.Context, echo *Echo) (*Echo, error)
	ListEcho(ctx context.Context, offset, limit int64) ([]*Echo, error)
	UpdateEcho(ctx context.Context, echo *Echo) (*Echo, error)
	DeleteEcho(ctx context.Context, ID int64) error
	GetEcho(ctx context.Context, ID int64) (*Echo, error)
}