private async Task <List <ProductPrice> > FillProductPrices(int catId, DateTime dateFrom, DateTime dateTo)
{
var payingItems = await _payingItemService
.GetListAsync(x => x.CategoryID == catId && x.Date >= dateFrom.Date && x.Date <= dateTo.Date)
.ConfigureAwait(false);
var productPrices = payingItems.ToList()
.SelectMany(x => x.PayingItemProducts)
.GroupBy(x => x.Product.ProductName)
.Select(x => new ProductPrice()
{
ProductName = x.Key, Price = x.Sum(p => p.Price)
})
.ToList();
return(productPrices);
}
public async Task <IEnumerable <PayingItem> > GetListAsync()
{
return(await _payingItemService.GetListAsync());
}
