public async Task SetCategoriesAsync(Guid discountId, IEnumerable <Guid> categoryIds)
{
var discount = await productCategoryDiscountRepository.GetAndEnsureExistAsync(discountId);
var categories = await productCategoryRepository.GetByIdsAsync(categoryIds);
await discountCategoryRepository.DeleteRangeAsync(discount);
var discountCategories = categories.Select(category => new DiscountCategory(category, discount)).ToList();
await discountCategoryRepository.AddRangeAsync(discountCategories);
await discountCategoryRepository.SaveChangesAsync();
}
public async Task <IList <ProductsCategoriesForDiscountDto> > GetCategoriesForDiscountAsync(Guid id)
{
var discount = await discountRepository.GetAndEnsureExistAsync(id);
var discountCategories = await discountCategoryRepository.GetCategories(discount);
var categories = await productCategoryRepository.GetChildrenAsync();
var mapped = MapCategories(categories, discountCategories);
return(mapped);
}