private async Task ReceivePersonaUpdate(CMsgClientPersonaState state)
{
await _friends.UpdateFriend(state).ConfigureAwait(false);
}
internal async Task UpdateFriend(CMsgClientPersonaState persona)
{
var users = new List <(IUser Before, IUser After)>();
var clans = new List <(IClan Before, IClan After)>();
ISelfUser currentBefore = null;
ISelfUser currentAfter = null;
await _slim.WaitAsync();
try
{
var flag = (ClientPersonaStateFlag)persona.status_flags;
foreach (var friend in persona.friends)
{
SteamId friendId = friend.friendid;
if (friendId == Client.SteamId) // that's us!
{
currentBefore = _currentUser;
if (currentBefore is OfflineSelfUser)
{
currentAfter = SelfUser.Create(Client, friend, flag);
}
else
{
currentAfter = (currentBefore as SelfUser).WithState(friend, flag);
}
}
else if (friendId.IsClan)
{
IClan before;
IClan after;
before = _clans[friend.friendid];
if (before is UnknownUser)
{
after = Clan.Create(Client, before.Relationship, friend, flag);
}
else
{
after = (before as Clan).WithPersonaState(friend, flag);
}
_clans[after.Id] = after;
clans.Add((before, after));
}
else
{
IUser before;
IUser after;
before = _users[friend.friendid];
if (before is UnknownUser)
{
after = User.Create(Client, before.Relationship, friend, flag);
}
else
{
after = (before as User).WithState(friend, flag);
}
_users[after.Id] = after;
users.Add((before, after));
}
}
}
finally
{
_slim.Release();
}
if (currentBefore != null || currentAfter != null)
{
_currentUser = currentAfter;
await InvokeCurrentUserUpdated(currentBefore, currentAfter).ConfigureAwait(false);
}
await Task.WhenAll(users.Select(t => InvokeUserUpdated(t.Before, t.After)).Concat(clans.Select(t => InvokeClanUpdated(t.Before, t.After)))).ConfigureAwait(false);
}
