public void SetNick(string value, Guid userId, Guid groupId)
{
User user = _context.Users.FirstOrDefault(u => u.Id == userId);
if (user == null)
{
throw new ArgumentException("User does not exist" + userId);
}
Group group = _context.Groups.FirstOrDefault(g => g.Id == groupId);
if (group == null)
{
throw new ArgumentException("Group does not exist" + groupId);
}
Nick nick = _context.Nicks.FirstOrDefault(nck => nck.User.Id == userId && nck.Group.Id == groupId);
if (nick == null)
{
nick = new Nick(value, user, group);
_context.Nicks.Add(nick);
}
else
{
nick.Value = value;
}
_context.SaveChanges();
}
public string GetNick(Guid userId, Guid groupId)
{
Nick nick = _context.Nicks.FirstOrDefault(nck => nck.User.Id == userId && nck.Group.Id == groupId);
return(nick?.Value);
}
