events

type Direction string

type Event struct {
	// Data for event.
	Data []byte `json:"data" msgpack:"dat" firestore:"data"`

	// Index for event (read only).
	Index int64 `json:"idx" msgpack:"idx" firestore:"idx"`
	// Timestamp (read only). The time at which the event was created.
	// Firestore sets this to the document create time.
	Timestamp int64 `json:"ts" msgpack:"ts" firestore:"-"`
}

type Events interface {
	// EventsAdd appends an event.
	EventsAdd(ctx context.Context, path string, data [][]byte) ([]*Event, error)

	// Events from log.
	Events(ctx context.Context, path string, opt ...Option) (Iterator, error)

	// EventsDelete deletes all events at path.
	EventsDelete(ctx context.Context, path string) (bool, error)
}

type Iterator interface {
	// Next document, or nil.
	Next() (*Event, error)
	// Release resources associated with the iterator.
	Release()
}

type Option func(*Options)

type Options struct {
	// Index to start at.
	Index int64
	// Limit is number of documents (max) to return.
	Limit int64
	// Direction to list.
	Direction Direction
}