public async Task <IActionResult> UpdateProduct(UpdateProductViewModel updateViewModel, IFormFile representativeImage,
IList <string> keys, IList <string> values, IEnumerable <IFormFile> images)
{
SellerView seller = loginPersistence.PersistLogin();
ViewData[GlobalViewBagKeys.ECommerceService] = eCommerce;
if (ModelState.IsValid)
{
ICollection <string> errors = new List <string>();
//product attributes
var attributes = new Dictionary <string, HashSet <string> >();
for (short i = 0; i < keys.Count; i++)
{
if (!string.IsNullOrEmpty(keys[i]) && !attributes.Any(a => a.Key == keys[i]) && values[i] != null)
{
HashSet <string> separatedValues = values[i]
.Split(',', StringSplitOptions.RemoveEmptyEntries)
.ToHashSet();
if (separatedValues.Any())
{
attributes.Add(keys[i], separatedValues);
}
}
}
updateViewModel.UpdateModel.Attributes = attributes;
//product images
if (updateViewModel.UpdateImages)
{
if (images.Any())
{
var imagesList = new List <FileContent>();
foreach (IFormFile image in images)
{
using (MemoryStream memoryStream = new MemoryStream())
{
await image.CopyToAsync(memoryStream);
imagesList.Add(new FileContent(memoryStream.ToArray(), image.ContentType));
}
}
updateViewModel.UpdateModel.Images = imagesList;
}
}
else //keep old images
{
updateViewModel.UpdateModel.Images = eCommerce
.GetProductImages(int.Parse(seller.Id), updateViewModel.ProductTypeId);
}
//product representative image
if (updateViewModel.UpdateRepresentativeImage)
{
if (representativeImage != null)
{
using (MemoryStream memoryStream = new MemoryStream())
{
await representativeImage.CopyToAsync(memoryStream);
updateViewModel.UpdateModel.RepresentativeImage = new FileContent(memoryStream.ToArray(), representativeImage.ContentType);
}
}
else
{
errors.Add("Representative image is required");
}
}
else //keep old representative image
{
updateViewModel.UpdateModel.RepresentativeImage = eCommerce.GetProductBy(int.Parse(seller.Id), updateViewModel.ProductTypeId).RepresentativeImage;
}
if (errors.Any())
{
return(View(updateViewModel));
}
eCommerce.UpdateProduct(int.Parse(seller.Id), updateViewModel.ProductTypeId, updateViewModel.UpdateModel, out errors);
if (errors.Any())
{
ViewData[GlobalViewBagKeys.Errors] = errors;
}
else
{
ICollection <string> messages = new List <string>();
messages.Add("Update product succeed");
ViewData[GlobalViewBagKeys.Messages] = messages;
return(RedirectToAction("Product"));
}
}
return(View(updateViewModel));
}