public async Task SaveToDbContextAsync(ApplicationDbContext context)
{
await semaphoreSlim.WaitAsync();
try
{
ProductsInfo currentDbState = new ProductsInfo();
await currentDbState.LoadFromDbContextAsync(context);
WrappedProductsInfo wrappedProductsInfo = new WrappedProductsInfo(this);
//LEFT TO ADD: Product, ProductDiscount, ProductAd, ProductImage, ProductAttributeValue, AttributeValue, Attribute, ProductProperty, ProductCategory, Category, CategoryCategory
//ADDING IN THIS STEP: Product, Attribute, Categories
//Add missing products
foreach (var importProduct in Products)
{
Product dbProduct = currentDbState.Products.FirstOrDefault((p) => { return(p.Equals(importProduct)); });
if (dbProduct == null)
{
importProduct.Id = 0;
context.Product.Add(importProduct);
}
}
//Add missing attributes
foreach (var importAttribute in Attributes)
{
Models.Attribute dbAttribute = currentDbState.Attributes.FirstOrDefault((a) => { return(a.Equals(importAttribute)); });
if (dbAttribute == null)
{
importAttribute.Id = 0;
context.Attribute.Add(importAttribute);
}
}
//Add missing categories
foreach (var importCategory in Categories)
{
Category dbCategory = currentDbState.Categories.FirstOrDefault((c) => { return(c.Equals(importCategory)); });
if (dbCategory == null)
{
importCategory.Id = 0;
context.Category.Add(importCategory);
}
}
await context.SaveChangesAsync();
//Update every entity's ProductId value
foreach (var updatedProduct in wrappedProductsInfo.Products)
{
ProductDiscounts.Where((x) => { return(x.ProductId == updatedProduct.Item1); }).All((x) => { x.ProductId = updatedProduct.Item2.Id; return(true); });
ProductAds.Where((x) => { return(x.ProductId == updatedProduct.Item1); }).All((x) => { x.ProductId = updatedProduct.Item2.Id; return(true); });
ProductImages.Where((x) => { return(x.ProductId == updatedProduct.Item1); }).All((x) => { x.ProductId = updatedProduct.Item2.Id; return(true); });
ProductAttributeValues.Where((x) => { return(x.ProductId == updatedProduct.Item1); }).All((x) => { x.ProductId = updatedProduct.Item2.Id; return(true); });
ProductProperties.Where((x) => { return(x.ProductId == updatedProduct.Item1); }).All((x) => { x.ProductId = updatedProduct.Item2.Id; return(true); });
ProductCategories.Where((x) => { return(x.ProductId == updatedProduct.Item1); }).All((x) => { x.ProductId = updatedProduct.Item2.Id; return(true); });
}
//Update every entity's AttributeId values
foreach (var updatedAttribute in wrappedProductsInfo.Attributes)
{
AttributeValues.Where((x) => { return(x.AttributeId == updatedAttribute.Item1); }).All((x) => { x.AttributeId = updatedAttribute.Item2.Id; return(true); });
}
//Update every entity's CategoryId and ParentCategoryId values
foreach (var updatedCategory in wrappedProductsInfo.Categories)
{
ProductCategories.Where((x) => { return(x.CategoryId == updatedCategory.Item1); }).All((x) => { x.CategoryId = updatedCategory.Item2.Id; return(true); });
CategoryCategories.Where((x) => { return(x.CategoryId == updatedCategory.Item1); }).All((x) => { x.CategoryId = updatedCategory.Item2.Id; return(true); });
CategoryCategories.Where((x) => { return(x.ParentCategoryId == updatedCategory.Item1); }).All((x) => { x.ParentCategoryId = updatedCategory.Item2.Id; return(true); });
}
//LEFT TO ADD: ProductDiscount, ProductAd, ProductImage, ProductAttributeValue, AttributeValue, ProductProperty, ProductCategory, CategoryCategory
//ADDING IN THIS STEP: ProductDiscount, ProductAd, ProductImage, AttributeValue, ProductProperty, CategoryCategory, ProductCategory
//Add missing product discounts
foreach (var importProductDiscount in ProductDiscounts)
{
ProductDiscount dbProductDiscount = currentDbState.ProductDiscounts.FirstOrDefault((pd) => { return(pd.Equals(importProductDiscount)); });
if (dbProductDiscount == null)
{
importProductDiscount.Id = 0;
context.ProductDiscount.Add(importProductDiscount);
}
}
//Add missing product ads
foreach (var importProductAd in ProductAds)
{
ProductAd dbProductAd = currentDbState.ProductAds.FirstOrDefault((pa) => { return(pa.Equals(importProductAd)); });
if (dbProductAd == null)
{
importProductAd.Id = 0;
context.ProductAd.Add(importProductAd);
}
}
//Add missing product images
foreach (var importProductImage in ProductImages)
{
ProductImage dbProductImage = currentDbState.ProductImages.FirstOrDefault((pi) => { return(pi.Equals(importProductImage)); });
if (dbProductImage == null)
{
importProductImage.Id = 0;
context.ProductImage.Add(importProductImage);
}
}
//Add missing product properties
foreach (var importProductProperty in ProductProperties)
{
ProductProperty dbProductProperty = currentDbState.ProductProperties.FirstOrDefault((pp) => { return(pp.Equals(importProductProperty)); });
if (dbProductProperty == null)
{
importProductProperty.Id = 0;
context.ProductProperty.Add(importProductProperty);
}
}
//Add missing attribute values
foreach (var importAttributeValue in AttributeValues)
{
AttributeValue dbAttributeValue = currentDbState.AttributeValues.FirstOrDefault((av) => { return(av.Equals(importAttributeValue)); });
if (dbAttributeValue == null)
{
importAttributeValue.Id = 0;
context.AttributeValue.Add(importAttributeValue);
}
}
//Add missing category categories
foreach (var importCategoryCategory in CategoryCategories)
{
CategoryCategory dbCategoryCategory = currentDbState.CategoryCategories.FirstOrDefault((cc) => { return(cc.Equals(importCategoryCategory)); });
if (dbCategoryCategory == null)
{
importCategoryCategory.Id = 0;
context.CategoryCategory.Add(importCategoryCategory);
}
}
//Add missing product categories
foreach (var importProductCategory in ProductCategories)
{
ProductCategory dbProductCategory = currentDbState.ProductCategories.FirstOrDefault((pc) => { return(pc.Equals(importProductCategory)); });
if (dbProductCategory == null)
{
importProductCategory.Id = 0;
context.ProductCategory.Add(importProductCategory);
}
}
await context.SaveChangesAsync();
//Update every entity's AttributeValueId
foreach (var updatedAttributeValue in wrappedProductsInfo.AttributeValues)
{
ProductAttributeValues.Where((x) => { return(x.AttributeValueId == updatedAttributeValue.Item1); }).All((x) => { x.AttributeValueId = updatedAttributeValue.Item2.Id; return(true); });
}
//LEFT TO ADD: ProductAttributeValue
//ADDING IN THIS STEP: ProductAttributeValue
//Add missing product attribute values
foreach (var importProductAttributeValue in ProductAttributeValues)
{
ProductAttributeValue dbProductAttributeValue = currentDbState.ProductAttributeValues.FirstOrDefault((pav) => { return(pav.Equals(importProductAttributeValue)); });
if (dbProductAttributeValue == null)
{
importProductAttributeValue.Id = 0;
context.ProductAttributeValue.Add(importProductAttributeValue);
}
}
await context.SaveChangesAsync();
}
finally
{
semaphoreSlim.Release();
}
}
