/// <summary>
///
/// </summary>
/// <param name="user"></param>
/// <param name="id"></param>
/// <param name="checkAccess">if null - do nothing, if false - check if has invite, if true - check if subscribed</param>
public void DropChannel(User user, string id, CheckAccessRule checkAccess = CheckAccessRule.None)
{
var channel = LookupChannel(user, id, checkAccess: checkAccess);
if (channel != null)
{
DropChannel(user, channel);
}
}
/// <summary>
/// Be careful. Check access checking admin-like permissions (means if allow to invite, close and so on), but
/// not if you allow to send to channel (it should be checked separately), for example Private allows to recieve
/// messages from ANY user on site (Not only subscribers).
/// </summary>
/// <param name="user"></param>
/// <param name="id"></param>
/// <param name="type"></param>
/// <param name="checkAccess">if None - do not check any permission,
/// Otwerwise depends from type (Global - always has access, Room - if in room, Private - only for self private). For Custom:
/// if HasInviteOrInWhiteListAndNotInBlackList - check if has invite (or in whiteList) and not in blackList - exception on error,
/// if IsSubscribed - check if subscribed and return null if not</param>
/// <returns></returns>
public ChatChannel LookupChannel(User user, string id = null, ChatChannelType?type = null, CheckAccessRule checkAccess = CheckAccessRule.None)
{
var channel = Channels.FirstOrDefault(m => (id == null || m.Id == id) && (type == null || type == m.Type));
if (channel != null && checkAccess != CheckAccessRule.None)
{
if (channel.Type == ChatChannelType.Global)
{
return(channel);
}
if (channel.Type == ChatChannelType.Private)
{
return(user.Id == id ? channel : null);
}
if (channel.Type == ChatChannelType.Room)
{
return((user.GameRoomRef == null || user.GameRoomRef.Id != id) ? null : channel);
}
if (checkAccess == CheckAccessRule.HasInviteOrInWhiteListAndNotInBlackList)
{
channel.CheckPermissions(user.Id);
}
else
{
if (!channel.Subscribers.ContainsKey(user.Id))
{
return(null);
}
}
}
return(channel);
}
