public async Task Put()

in src/Modules/SimplCommerce.Module.Catalog/Areas/Catalog/Controllers/ProductApiController.cs [378:466]
76 lines of code
12 McCabe index (conditional complexity)

        public async Task<IActionResult> Put(long id, ProductForm model)
        {
            MapUploadedFile(model);

            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            var product = _productRepository.Query()
                .Include(x => x.ThumbnailImage)
                .Include(x => x.Medias).ThenInclude(m => m.Media)
                .Include(x => x.ProductLinks).ThenInclude(x => x.LinkedProduct).ThenInclude(p => p.ThumbnailImage)
                .Include(x => x.OptionValues).ThenInclude(o => o.Option)
                .Include(x => x.AttributeValues).ThenInclude(a => a.Attribute).ThenInclude(g => g.Group)
                .Include(x => x.Categories)
                .FirstOrDefault(x => x.Id == id);

            if(product == null)
            {
                return NotFound();
            }

            var currentUser = await _workContext.GetCurrentUser();
            if (!User.IsInRole("admin") && product.VendorId != currentUser.VendorId)
            {
                return BadRequest(new { error = "You don't have permission to manage this product" });
            }

            var isPriceChanged = false;
            if (product.Price != model.Product.Price ||
                product.OldPrice != model.Product.OldPrice ||
                product.SpecialPrice != model.Product.SpecialPrice ||
                product.SpecialPriceStart != model.Product.SpecialPriceStart ||
                product.SpecialPriceEnd != model.Product.SpecialPriceEnd)
            {
                isPriceChanged = true;
            }


            product.Name = model.Product.Name;
            product.Slug = model.Product.Slug;
            product.MetaTitle = model.Product.MetaTitle;
            product.MetaKeywords = model.Product.MetaKeywords;
            product.MetaDescription = model.Product.MetaDescription;
            product.Sku = model.Product.Sku;
            product.Gtin = model.Product.Gtin;
            product.ShortDescription = model.Product.ShortDescription;
            product.Description = model.Product.Description;
            product.Specification = model.Product.Specification;
            product.Price = model.Product.Price;
            product.OldPrice = model.Product.OldPrice;
            product.SpecialPrice = model.Product.SpecialPrice;
            product.SpecialPriceStart = model.Product.SpecialPriceStart;
            product.SpecialPriceEnd = model.Product.SpecialPriceEnd;
            product.BrandId = model.Product.BrandId;
            product.TaxClassId = model.Product.TaxClassId;
            product.IsFeatured = model.Product.IsFeatured;
            product.IsPublished = model.Product.IsPublished;
            product.IsCallForPricing = model.Product.IsCallForPricing;
            product.IsAllowToOrder = model.Product.IsAllowToOrder;
            product.StockTrackingIsEnabled = model.Product.StockTrackingIsEnabled;
            product.LatestUpdatedBy = currentUser;

            if (isPriceChanged)
            {
                var productPriceHistory = CreatePriceHistory(currentUser, product);
                product.PriceHistories.Add(productPriceHistory);
            }

            await SaveProductMedias(model, product);

            foreach (var productMediaId in model.Product.DeletedMediaIds)
            {
                var productMedia = product.Medias.First(x => x.Id == productMediaId);
                _productMediaRepository.Remove(productMedia);
                await _mediaService.DeleteMediaAsync(productMedia.Media);
            }

            AddOrDeleteProductOption(model, product);
            AddOrDeleteProductAttribute(model, product);
            AddOrDeleteCategories(model, product);
            await AddOrDeleteProductVariation(currentUser, model, product);
            AddOrDeleteProductLinks(model, product);

            _productService.Update(product);

            return Accepted();
        }