public virtual async Task<Dinner> CreateDinnerAsync(Dinner dinner)
{
var rsvp = new Rsvp
{
UserName = dinner.UserName
};
dinner.Rsvps = new List<Rsvp> { rsvp };
_database.Add(dinner);
_database.Add(rsvp);
await _database.SaveChangesAsync();
return dinner;
}
public virtual async Task<Rsvp> CreateRsvpAsync(Dinner dinner, string userName)
{
Rsvp rsvp = null;
if (dinner != null)
{
if (dinner.IsUserRegistered(userName))
{
rsvp = dinner.Rsvps.SingleOrDefault(r => string.Equals(r.UserName, userName, StringComparison.OrdinalIgnoreCase));
}
else
{
rsvp = new Rsvp
{
UserName = userName
};
dinner.Rsvps.Add(rsvp);
_database.Add(rsvp);
await _database.SaveChangesAsync();
}
}
return rsvp;
}