public async Task <OperationResult> CreateProductAsync(
Product product,
IEnumerable <Image> images,
IEnumerable <int> categoryIds,
IEnumerable <Description> descriptions)
{
ThrowIfDisposed();
if (product == null)
{
throw new ArgumentNullException(nameof(product));
}
if (images == null)
{
images = Enumerable.Empty <Image>();
}
if (categoryIds == null)
{
categoryIds = Enumerable.Empty <int>();
}
if (descriptions == null)
{
descriptions = Enumerable.Empty <Description>();
}
var result = await Validate(new[] { product }, ProductValidators);
if (!result.Succeeded)
{
return(result);
}
var imagesArray = images as Image[] ?? images.ToArray();
result = await Validate(imagesArray, ImageValidators);
if (!result.Succeeded)
{
return(result);
}
var descsArray = descriptions as Description[] ?? descriptions.ToArray();
result = await Validate(descsArray, DescriptionValidators);
if (!result.Succeeded)
{
return(result);
}
TransformImages(imagesArray);
using (var tran = _repository.BeginTransaction())
{
result = await _repository.CreateProductAsync(product, CancellationToken);
if (!result.Succeeded)
{
return(result);
}
if (!categoryIds.IsNullOrEmpty())
{
result = await _repository.AddProductCategoriesAsync(product.Id, categoryIds,
CancellationToken);
if (!result.Succeeded)
{
return(result);
}
}
if (!descsArray.IsNullOrEmpty())
{
result = await _repository.CreateProductDescriptions(product.Id, descsArray, CancellationToken);
if (!result.Succeeded)
{
return(result);
}
}
if (!imagesArray.IsNullOrEmpty())
{
result = await _repository.CreateImagesAsync(product.Id, imagesArray, CancellationToken);
if (!result.Succeeded)
{
return(result);
}
}
tran.Commit();
}
return(OperationResult.Success());
}
