public ChatServerModel()
{
Groups["Lobby"] = new ChatGroup()
{
GroupName = "Lobby"
};
}
internal string CreateGroup(string groupName, string userName)
{
if (string.IsNullOrEmpty(groupName))
{
return("GroupName empty");
}
if (Groups.TryGetValue(groupName, out var chatGroup))
{
throw new Exception($"GroupName {groupName} already exist");
//return $"GroupName {groupName} already exist";
}
var newGroup = new ChatGroup {
GroupName = groupName
};
newGroup.Members.Add(userName);
Groups[groupName] = newGroup;
return(null);
}
