backup

type HTTPLoader struct {
	URL    string
	Client *http.Client
}

type ID string

type Loader interface {
	Load(ctx context.Context) (io.ReadCloser, error)
}

type Request struct {
	DB     *rankdb.Manager
	Cancel context.CancelFunc
	Dst    Saver
	Lists  rankdb.ListIDs
	ErrCh  <-chan error
}

type RestoreInfo struct {
	// Source to read the data.
	Source Loader
	// Destinatio DB where lists should be stored.
	DB *rankdb.Manager
	// Replace existing lists.
	Replace bool
	// Cache assiciated with the DB.
	Cache rankdb.Cache

	// ListIDPrefix contains a prefix to apply to all lists.
	ListIDPrefix string
	// ListIDPrefix contains a suffix to apply to all lists.
	ListIDSuffix string
}

type RestoreResult struct {
	Restored int
	Skipped  int
	Failed   map[string]string
}

type Saver interface {
	Save(ctx context.Context) (io.WriteCloser, error)
}

type Status struct {
	// Custom information provided by backup
	Custom map[string]string
	// URI of backed up content. Used for restore.
	Done bool
	// Failed operations, indexed by list IDs
	Errors map[string]string
	// Number of lists to be backed up
	Lists int
	// Number of lists done.
	ListsDone int
	// Size of stored data
	Size int64
	// Storage used for backup
	Storage string
	// Successful operations, list IDs
	Success []string

	Cancelled bool
	Started   time.Time
	Finished  *time.Time
}

type WrapReader struct {
	io.ReadCloser
}