func (m *MemEngine) consumeStateUpdateMessage(u *user, now time.Time, msg gregor.StateUpdateMessage) (*item, error) {
var err error
var i *item
if msg.Creation() != nil {
if i, err = m.consumeCreation(u, now, msg.Creation()); err != nil {
return nil, err
}
}
if msg.Dismissal() != nil {
md := msg.Metadata()
if err = m.consumeDismissal(u, now, msg.Dismissal(), md.CTime()); err != nil {
return nil, err
}
}
return i, nil
}
func (s *SQLEngine) consumeStateUpdateMessage(m gregor.StateUpdateMessage) (ctime time.Time, err error) {
tx, err := s.driver.Begin()
if err != nil {
return time.Time{}, err
}
defer tx.Rollback()
md := m.Metadata()
if md, err = s.consumeInBandMessageMetadata(tx, md, gregor.InBandMsgTypeUpdate); err != nil {
return time.Time{}, err
}
ctime = md.CTime()
if m.Creation() != nil {
if err = s.consumeCreation(tx, m.Creation()); err != nil {
return ctime, err
}
}
if m.Dismissal() != nil {
if err = s.consumeMsgIDsToDismiss(tx, md.UID(), md.MsgID(), m.Dismissal().MsgIDsToDismiss(), md.CTime()); err != nil {
return ctime, err
}
if err = s.consumeRangesToDismiss(tx, md.UID(), md.MsgID(), m.Dismissal().RangesToDismiss(), md.CTime()); err != nil {
return ctime, err
}
}
if err = tx.Commit(); err != nil {
return time.Time{}, err
}
return ctime, nil
}