public async Task <IActionResult> List(CancellationToken cancellationToken)
{
var collections = await _eventCollectionRetrievalService
.ListCollectionsAsync(cancellationToken : cancellationToken);
return(Ok(collections
.Select(c => new EventCollectionDto(c))
.ToArray()));
}
private async Task ValidateProducts(
Registration registration,
OrderItemDto[] data,
IReadOnlyDictionary <int, Product> productMap,
IReadOnlyDictionary <int, ProductVariant> variantMap,
CancellationToken cancellationToken = default)
{
foreach (var dto in data)
{
if (dto.Quantity <= 0)
{
throw new InputException($"Invalid quantity for product {dto.ProductId}: {dto.Quantity}");
}
if (!productMap.ContainsKey(dto.ProductId))
{
throw new InputException($"Unknown product ID: {dto.ProductId}");
}
if (dto.VariantId.HasValue)
{
if (!variantMap.ContainsKey(dto.VariantId.Value))
{
throw new InputException($"Unknown product variant ID: {dto.VariantId}");
}
if (variantMap[dto.VariantId.Value].ProductId != dto.ProductId)
{
throw new InputException(
$"Wrong product ID: {dto.ProductId} for variant ID {dto.VariantId}");
}
}
var product = productMap[dto.ProductId];
if (product.EventInfoId != registration.EventInfoId)
{
if (product.Visibility == ProductVisibility.Event)
{
throw new InputException(
$"Product {product.ProductId} doesn't belong to event {registration.EventInfoId}");
}
if (product.Visibility == ProductVisibility.Collection)
{
var collections = await _eventCollectionRetrievalService
.ListCollectionsAsync(new EventCollectionListRequest
{
Filter = new EventCollectionFilter
{
EventInfoId = registration.EventInfoId
}
}, new EventCollectionRetrievalOptions
{
LoadMappings = true
}, cancellationToken);
if (!collections.Any(c => c.EventMappings
.Any(m => m.EventId == product.EventInfoId)))
{
throw new InputException(
$"Product {product.ProductId} cannot be added to order for event {registration.EventInfoId}");
}
}
}
}
}