private void UpdateProductsSubCategories(string[] selectedSubCategories, Product productToUpdate)
{
if (selectedSubCategories == null)
{
productToUpdate.ProductSubcategories = new List <ProductSubcategory>();
return;
}
var selectedSubCategoriesHS = new HashSet <string>(selectedSubCategories);
var productSubCategories = new HashSet <int>
(productToUpdate.ProductSubcategories.Select(c => c.SubCategory.Id));
foreach (var subcat in _context.SubCategories)
{
if (selectedSubCategoriesHS.Contains(subcat.Id.ToString()))
{
if (!productSubCategories.Contains(subcat.Id))
{
productToUpdate.ProductSubcategories.Add(new ProductSubcategory {
ProductId = productToUpdate.Id, SubCategoryId = subcat.Id
});
}
}
else
{
if (productSubCategories.Contains(subcat.Id))
{
ProductSubcategory courseToRemove = productToUpdate.ProductSubcategories.SingleOrDefault(i => i.SubCategoryId == subcat.Id);
_context.Remove(courseToRemove);
}
}
}
}
public void UpdateProductSubcategory(WmIdentityDbContext context,
string[] selectedSubcategories, Product productToUpdate)
{
if (selectedSubcategories == null)
{
productToUpdate.ProductSubcategories = new List <ProductSubcategory>();
return;
}
var selectedSubcategoriesHS = new HashSet <string>(selectedSubcategories);
var productSubcategories = new HashSet <int>
(productToUpdate.ProductSubcategories.Select(c => c.SubCategory.Id));
foreach (var subcategory in context.SubCategories)
{
if (selectedSubcategoriesHS.Contains(subcategory.Id.ToString()))
{
if (!productSubcategories.Contains(subcategory.Id))
{
productToUpdate.ProductSubcategories.Add(
new ProductSubcategory
{
ProductId = productToUpdate.Id,
SubCategoryId = subcategory.Id,
});
}
}
else
{
if (productSubcategories.Contains(subcategory.Id))
{
ProductSubcategory subcategoryToRemove
= productToUpdate
.ProductSubcategories
.SingleOrDefault(i => i.SubCategoryId == subcategory.Id);
context.Remove(subcategoryToRemove);
}
}
}
}
