public UserRole AddUser(Users user)
{
user.ReportIfNull("Argument AddUser(user)");
if (_userRoles.Contains(ur => ur.UserId.Equals(user.Id)))
throw new Exception(String.Format("User {0} is already in {1}", user.Name, this.Name));
var userRole = new UserRole(user, this);
_userRoles.Add(userRole);
return userRole;
}
internal void AddUserRole(UserRole userRole)
{
_userRoles.Add(userRole);
}