public async Task <ActionResult> EnsureAndJoin(ChannelViewModel channelViewModel)
{
Channel channel = null;
if (!channelViewModel.EnsureUnique)
{
channel = await _channelService.FindChannel(User, channelViewModel.Name);
}
if (channel == null)
{
channel = await _channelService.Create(User, channelViewModel.Name, channelViewModel.IsPublic, channelViewModel.AllowedUsers);
}
if (channel != null)
{
await _channelService.Join(User, channel.Id);
}
return(Ok(channel));
}