protected override async Task DoReceive()
{
if (_listId == null)
{
// get description
var list = (await ReceiveListDescription(_auth, _listInfo));
await ListProxy.SetListDescription(list);
_listId = list.Id;
}
// if list data is not found, abort receiving timeline.
if (_listId == null)
{
return;
}
var id = _listId.Value;
var users = (await ReceiveListMembers(_auth, id)).OrderBy(l => l).ToArray();
var oldUsers = (await ListProxy.GetListMembers(id)).OrderBy(l => l).ToArray();
if (users.SequenceEqual(oldUsers))
{
// not changed
return;
}
// commit changes
await ListProxy.SetListMembers(id, users);
ListMemberChanged.SafeInvoke();
}
private async void UsersChanged(IEnumerable <long> userIds)
{
if (!_members.SyncSet(userIds))
{
return;
}
if (_receiver.ListId != null)
{
await ListProxy.SetListMembers(_receiver.ListId.Value, _members);
}
ListMemberChanged?.Invoke(this, Tuple.Create(_listParam, _members.AsEnumerable()));
}