public async Task <ActionResult <AttendeeResponse> > Post(ConferenceDTO.Attendee input)
{
// Check if the attendee already exists
var existingAttendee = await _db.Attendees
.Where(a => a.UserName == input.UserName)
.FirstOrDefaultAsync();
if (existingAttendee != null)
{
return(Conflict(input));
}
var attendee = new Data.Attendee
{
FirstName = input.FirstName,
LastName = input.LastName,
UserName = input.UserName,
EmailAddress = input.EmailAddress
};
_db.Attendees.Add(attendee);
await _db.SaveChangesAsync();
var result = attendee.MapAttendeeResponse();
return(CreatedAtAction(nameof(Get), new { id = result.UserName }, result));
}
private static bool DoesContainOtherSessionsFromTheSameConference(Data.Attendee attendee, int conferenceId)
{
return(attendee.SessionAttendees.Select(sa => sa.Session).Any(s => s.ConferenceId == conferenceId));
}
