func (u *user) state(now time.Time, f gregor.ObjFactory, d gregor.DeviceID, t gregor.TimeOrOffset) (gregor.State, error) {
var items []gregor.Item
table := make(map[string]gregor.Item)
for _, i := range u.items {
md := i.item.Metadata()
did := md.DeviceID()
if d != nil && did != nil && !bytes.Equal(did.Bytes(), d.Bytes()) {
continue
}
if t != nil && toTime(now, t).Before(i.ctime) {
continue
}
if i.isDismissedAt(toTime(now, t)) {
continue
}
exported, err := i.export(f)
if err != nil {
return nil, err
}
items = append(items, exported)
table[exported.Metadata().MsgID().String()] = exported
}
return f.MakeStateWithLookupTable(items, table)
}
