public async Task <ChannelDetails> CreateChannel(User activeUser, string groupTitle, IEnumerable <string> addUsernames)
{
List <int> recipientIds = new List <int>();
int channelId;
using (var trans = TransactionScopeFactory.Create())
{
if (addUsernames != null && addUsernames.Count() > 0)
{
var recipients = (await UserDomain.RetrieveUsersByUsername(addUsernames)).ToDictionary(u => u.Username);
foreach (var userName in addUsernames)
{
if (!recipients.ContainsKey(userName) || !recipients[userName].IsActive)
{
throw new CritterException($"Could not add {userName} to a group!", $"Invalid message recipient provided - {userName}", System.Net.HttpStatusCode.BadRequest);
}
recipientIds.Add(recipients[userName].Id);
}
}
if (string.IsNullOrEmpty(groupTitle))
{
groupTitle = string.Join(", ", addUsernames);
}
channelId = await MessageRepo.CreateChannel(groupTitle);
recipientIds.Add(activeUser.Id);
await MessageRepo.AddUsersToChannel(channelId, recipientIds);
trans.Complete();
}
return((await GetChannels(new List <int> {
channelId
}, activeUser)).FirstOrDefault());
}
