public static ProductFullRequest MapToFullRequest(this UpdateProductModel model)
{
if (model is null)
{
throw new ArgumentNullException(nameof(model));
}
var productRequest = new ProductFullRequest
{
Id = model.Id,
ShortDescription = model.ShortDescription,
LongDescription = model.LongDescription
};
if (model.Image != null)
{
using var ms = new MemoryStream();
model.Image.CopyTo(ms);
var fileBytes = ms.ToArray();
productRequest.Image = fileBytes;
}
else
{
productRequest.Image = Convert.FromBase64String(Constants.Defaults.Image);
}
foreach (var item in model.Categories)
{
productRequest.Categories.Add(new CategoryFullRequest
{
Id = item
});
}
return(productRequest);
}
public async Task <IActionResult> UpdateProduct([FromBody] ProductFullRequest productRequest)
{
if (productRequest is null)
{
return(UnprocessableEntity(Constants.ErrorMessages.UnprocessableEntity));
}
var descriptionErrorMessage = VerifyProductDescription(productRequest.ShortDescription, productRequest.LongDescription);
if (!string.IsNullOrWhiteSpace(descriptionErrorMessage))
{
return(BadRequest(descriptionErrorMessage));
}
Product product = await _context.Products.SingleOrDefaultAsync(p => p.Id == productRequest.Id);
if (product is null)
{
return(NotFound(Constants.ErrorMessages.NotFound));
}
bool parsed = int.TryParse(User.Identity.Name, out int userId);
if (!parsed)
{
throw new ApplicationException(Constants.ErrorMessages.UnreachableUserId);
}
if (product.OwnerId != userId || product.OwnerId == default)
{
return(Forbid(Constants.ErrorMessages.ThisUserIsNotAllowed));
}
product.ShortDescription = productRequest.ShortDescription;
product.LongDescription = productRequest.LongDescription;
product.Image = productRequest.Image.ToArray();
if (productRequest.Categories != null && productRequest.Categories.Any())
{
var categories = _context.ProductCategories.Where(p => p.ProductId == product.Id).ToList();
_context.ProductCategories.RemoveRange(categories);
foreach (var categ in productRequest.Categories)
{
var pc = new ProductCategory
{
Product = product,
CategoryId = categ.Id
};
product.ProductCategories.Add(pc);
}
}
var entry = _context.Products.Update(product);
try { await _context.SaveChangesAsync().ConfigureAwait(false); }
catch (Exception) { return(this.InternalServerError()); }
var response = entry.Entity.MapToResponse();
return(Ok(response));
}