public async Task <IActionResult> CreateProduct([FromBody] CreateProductFromAsinRequest request)
{
if (!ModelState.IsValid)
{
return(HttpResult.BadRequest(ModelState));
}
// see if the product already exists
var foundProduct = await _bagsContext.Products
.WithUnsafeIncludes()
.Where(product => product.AmazonProduct.Asin == request.Asin)
.FirstOrDefaultAsync();
if (foundProduct != null)
{
return(HttpResult.Ok(foundProduct.ToUnsafeExpandedWireFormat(_amazon)));
}
var result = await _amazon.GetProductDetailsXml(request.Asin);
var xElement = XElement.Parse(result);
XNamespace ns = "http://webservices.amazon.com/AWSECommerceService/2011-08-01";
var item = xElement
.Elements(ns + "Items")
.Single()
.Elements(ns + "Item")
.Single();
var images = item
.Elements(ns + "ImageSets")
.Single()
.Elements(ns + "ImageSet")
.DistinctBy(imageSet => imageSet.Elements(ns + "LargeImage").Single().Elements(ns + "URL").Single().Value)
.Select(imageSet => new Product.Image
{
Priority = (imageSet.Attribute("Category")?.Value == "primary") ? 10U : 100U,
Small = _amazon.ConvertImageLinkToHttps(imageSet.Elements(ns + "SmallImage").Single().Elements(ns + "URL").Single().Value),
Medium = _amazon.ConvertImageLinkToHttps(imageSet.Elements(ns + "MediumImage").Single().Elements(ns + "URL").Single().Value),
Large = _amazon.ConvertImageLinkToHttps(imageSet.Elements(ns + "LargeImage").Single().Elements(ns + "URL").Single().Value)
})
.OrderBy(image => image.Priority);
var lowestNewPrice = Double.Parse(item
.Elements(ns + "OfferSummary")
.Single()
.Elements(ns + "LowestNewPrice")
.Single()
.Elements(ns + "Amount")
.Single()
.Value) / 100;
var title = item
.Elements(ns + "ItemAttributes")
.Single()
.Elements(ns + "Title")
.Single()
.Value;
// create product
var newProduct = new Models.Product
{
Name = title,
Price = Convert.ToInt64(lowestNewPrice),
Asin = request.Asin,
AmazonProduct = new AmazonProduct {
Asin = request.Asin, Available = true, LastChecked = DateTimeOffset.UtcNow, Price = Convert.ToInt32(lowestNewPrice)
},
ImagesJson = JsonConvert.SerializeObject(images)
};
_bagsContext.Products.Add(newProduct);
await _bagsContext.SaveChangesAsync();
return(HttpResult.Ok(newProduct.ToUnsafeExpandedWireFormat(_amazon)));
}
