public async Task <Registration> CreateRegistrationAsync(
int eventId,
string userId,
Action <Registration> fillAction,
CancellationToken cancellationToken)
{
var @event = await _eventInfoRetrievalService.GetEventInfoByIdAsync(eventId, null, cancellationToken); // To check event reference only
var user = await _userRetrievalService.GetUserByIdAsync(userId, cancellationToken);
var registration = new Registration
{
EventInfoId = eventId,
UserId = userId,
ParticipantName = user.Name // TODO: remove this property?
};
fillAction?.Invoke(registration);
await _registrationAccessControlService.CheckRegistrationCreateAccessAsync(registration, cancellationToken);
await _context.CreateAsync(registration, cancellationToken);
return(registration);
}
public async Task <Registration> CreateRegistrationAsync(
int eventId,
string userId,
RegistrationOptions options,
CancellationToken cancellationToken)
{
var existingRegistration = await _context.Registrations
.FirstOrDefaultAsync(m => m.EventInfoId == eventId &&
m.UserId == userId, cancellationToken : cancellationToken);
if (existingRegistration != null)
{
throw new DuplicateException("Found existing registration for user on event.");
}
var eventInfo = await _eventInfoRetrievalService.GetEventInfoByIdAsync(eventId,
new EventInfoRetrievalOptions
{
ForUpdate = true,
LoadRegistrations = true,
LoadProducts = true
},
cancellationToken);
var user = await _userRetrievalService.GetUserByIdAsync(userId, null, cancellationToken);
var registration = new Registration
{
EventInfoId = eventId,
UserId = userId,
ParticipantName = user.Name // TODO: remove this property?
};
await _registrationAccessControlService.CheckRegistrationCreateAccessAsync(registration, cancellationToken);
if (eventInfo.Status == EventInfo.EventInfoStatus.WaitingList)
{
registration.Status = Registration.RegistrationStatus.WaitingList;
}
await _context.CreateAsync(registration, cancellationToken : cancellationToken);
options ??= new RegistrationOptions();
if (options.CreateOrder && registration.Status != Registration.RegistrationStatus.WaitingList)
{
var mandatoryItems = eventInfo.Products
.Where(p => p.IsMandatory)
.Select(p => new OrderItemDto
{
ProductId = p.ProductId,
Quantity = p.MinimumQuantity
}).ToArray();
if (mandatoryItems.Any())
{
await _registrationOrderManagementService
.CreateOrderForRegistrationAsync(
registration.RegistrationId,
mandatoryItems,
cancellationToken);
}
}
if (eventInfo.MaxParticipants > 0 && eventInfo
.Registrations.Count + 1 >= eventInfo.MaxParticipants)
{
eventInfo.Status = EventInfo.EventInfoStatus.WaitingList;
await _context.SaveChangesAsync(cancellationToken);
}
return(registration);
}