public async Task<ActionResult> StartRegistration(OrderViewModel model)
{
if (!ModelState.IsValid)
{
return View(CreateViewModel());
}
var command = model.ToPlaceOrderCommand(this.ConferenceAlias, ConferenceQueryService);
if (!command.Seats.Any())
{
ModelState.AddModelError("ConferenceCode", "You must reservation at least one seat.");
return View(CreateViewModel());
}
var result = await SendCommandAsync(command);
if (!result.IsSuccess())
{
ModelState.AddModelError("ConferenceCode", result.GetErrorMessage());
return View(CreateViewModel());
}
return RedirectToAction("SpecifyRegistrantAndPaymentDetails", new { conferenceCode = this.ConferenceCode, orderId = command.AggregateRootId });
}
private OrderViewModel CreateViewModel()
{
var seatTypes = this.ConferenceQueryService.GetPublishedSeatTypes(this.ConferenceAlias.Id);
var viewModel = new OrderViewModel
{
ConferenceId = this.ConferenceAlias.Id,
ConferenceCode = this.ConferenceAlias.Slug,
ConferenceName = this.ConferenceAlias.Name,
Items = seatTypes.Select(x => new OrderItemViewModel
{
SeatType = x,
MaxSelectionQuantity = Math.Max(Math.Min(x.AvailableQuantity, 20), 0)
}).ToList()
};
return viewModel;
}
