state

type Grid struct {
	Lists map[string]*List `json:"lists"`
}

type List struct {
	EntID       string      `json:"entId"`
	SyncMode    spsync.Mode `json:"syncMode"`
	SyncDate    time.Time   `json:"syncDate"`
	SyncStage   string      `json:"syncStage"`
	ChangeToken string      `json:"changeToken"`
	PageToken   string      `json:"pageToken"`
	Fails       int         `json:"fails"`

	Lock *time.Time `json:"sessionLock,omitempty"`
	MD5  string     `json:"md5"`
}

type State interface {
	Get() *Grid
	GetList(listUri string) *List
	Save(state *Grid) error
	SaveList(listUri string, listState *List) error
}