static bool AddUserToGroup(string userName, string groupName)
{
using (UsersGroupsEntities context = new UsersGroupsEntities())
{
using (TransactionScope scope = new TransactionScope())
{
if (!context.Groups.Where(g => g.Name == groupName).Any())
{
context.Groups.Add(new Group() { Name = groupName });
context.SaveChanges();
}
Group groupToAddIn = context.Groups.Where(g => g.Name == groupName).First();
if (groupToAddIn.Users.Where(u => u.Name == userName).Any())
{
scope.Dispose();
return false;
}
else
{
User newUser = new User() { Name = userName };
groupToAddIn.Users.Add(newUser);
context.SaveChanges();
scope.Complete();
return true;
}
}
}
}
}
