public async Task<IQueryable<UploadImage>> ProductImages()
{
if (!Request.Content.IsMimeMultipartContent())
{
throw this.ExceptionUnsupportedMediaType();
}
Product entity = null;
string identifier = null;
string tempDir = FileSystemHelper.TempDir();
var provider = new MultipartFormDataStreamProvider(tempDir);
try
{
await Request.Content.ReadAsMultipartAsync(provider);
}
catch (Exception exception)
{
provider.DeleteLocalFiles();
throw this.ExceptionInternalServerError(exception);
}
// find product entity
if (provider.FormData.AllKeys.Contains("Id"))
{
identifier = provider.FormData.GetValues("Id").FirstOrDefault();
entity = _productService.Value.GetProductById(identifier.ToInt());
}
else if (provider.FormData.AllKeys.Contains("Sku"))
{
identifier = provider.FormData.GetValues("Sku").FirstOrDefault();
entity = _productService.Value.GetProductBySku(identifier);
}
else if (provider.FormData.AllKeys.Contains("Gtin"))
{
identifier = provider.FormData.GetValues("Gtin").FirstOrDefault();
entity = _productService.Value.GetProductByGtin(identifier);
}
if (entity == null)
{
provider.DeleteLocalFiles();
throw this.ExceptionNotFound(WebApiGlobal.Error.EntityNotFound.FormatInvariant(identifier.NaIfEmpty()));
}
// process images
var equalPictureId = 0;
var displayOrder = 0;
var result = new List<UploadImage>();
var storeUrl = _storeContext.Value.CurrentStore.Url;
var pictures = entity.ProductPictures.Select(x => x.Picture);
if (entity.ProductPictures.Count > 0)
displayOrder = entity.ProductPictures.Max(x => x.DisplayOrder);
foreach (var file in provider.FileData)
{
var image = new UploadImage(file.Headers);
if (image.FileName.IsEmpty())
image.FileName = entity.Name;
var pictureBinary = File.ReadAllBytes(file.LocalFileName);
if (pictureBinary != null && pictureBinary.Length > 0)
{
pictureBinary = _pictureService.Value.ValidatePicture(pictureBinary);
pictureBinary = _pictureService.Value.FindEqualPicture(pictureBinary, pictures, out equalPictureId);
if (pictureBinary != null)
{
var seoName = _pictureService.Value.GetPictureSeName(Path.GetFileNameWithoutExtension(image.FileName));
var newPicture = _pictureService.Value.InsertPicture(pictureBinary, image.MediaType, seoName, true, false, false);
if (newPicture != null)
{
_productService.Value.InsertProductPicture(new ProductPicture
{
PictureId = newPicture.Id,
ProductId = entity.Id,
DisplayOrder = ++displayOrder
});
image.Inserted = true;
image.Picture = newPicture;
}
}
else
{
image.Exists = true;
image.Picture = pictures.FirstOrDefault(x => x.Id == equalPictureId);
}
if (image.Picture != null)
{
image.ImageUrl = _pictureService.Value.GetPictureUrl(image.Picture, _mediaSettings.Value.ProductDetailsPictureSize, false, storeUrl);
image.ThumbImageUrl = _pictureService.Value.GetPictureUrl(image.Picture, _mediaSettings.Value.ProductThumbPictureSize, false, storeUrl);
image.FullSizeImageUrl = _pictureService.Value.GetPictureUrl(image.Picture, 0, false, storeUrl);
}
}
result.Add(image);
}
provider.DeleteLocalFiles();
return result.AsQueryable();
}
