private void Chat_PresenceRaw(object sender, Presence e)
{
Guid roomId;
if (!roomsReverse.TryGetValue(e.From.User, out roomId))
{
return;
}
var jid = e.MucUser.Item.Jid;
var list = users[roomId];
var friend = new MucFriend(roomId, jid, e.From.Resource);
bool offline = e.Type == PresenceType.unavailable;
if (!offline && !list.Contains(jid.User))
{
list.Add(jid.User);
MemberJoin?.Invoke(this, friend);
}
if (offline && list.Contains(jid.User))
{
list.Remove(jid.User);
MemberLeave?.Invoke(this, friend);
}
}
/// <summary>
/// Tries to add an <see cref="IGroupable"/> to this group.
/// </summary>
/// <param name="groupable">The <see cref="IGroupable"/> to try to add to the group.</param>
/// <returns>
/// True if the <paramref name="groupable"/> was successfully added to the group;
/// otherwise false.
/// This method will always return false is the <paramref name="groupable"/> is already in a group.
/// </returns>
public virtual bool TryAddMember(IGroupable groupable)
{
// Check the max members value
if (_members.Count >= _groupSettings.MaxMembersPerGroup)
{
if (log.IsInfoEnabled)
{
log.InfoFormat("Failed to add `{0}` to group `{1}` - the group is full.", groupable, this);
}
return(false);
}
// Ensure not already in a group
if (groupable.Group != null)
{
if (log.IsInfoEnabled)
{
log.InfoFormat("Failed to add `{0}` to group `{1}` - they were already in a group (`{2}`).", groupable, this,
groupable.Group);
}
return(false);
}
// Check that they can be added
if (_groupSettings.CanJoinGroupHandler != null && !_groupSettings.CanJoinGroupHandler(groupable, this))
{
if (log.IsInfoEnabled)
{
log.InfoFormat("Failed to add `{0}` to group `{1}` - GroupSettings.CanJoinGroupHandler returned false.",
groupable, this);
}
return(false);
}
// Add the member
_members.Add(groupable);
groupable.Group = this;
if (log.IsInfoEnabled)
{
log.InfoFormat("Added `{0}` to group `{1}`.", groupable, this);
}
// Raise events
OnMemberJoin(groupable);
if (MemberJoin != null)
{
MemberJoin.Raise(this, EventArgsHelper.Create(groupable));
}
return(true);
}
