public async Task <SalesViewModel> GetBill(UserProfile user, int billId)
{
var bill = await _billsRepo.GetByIdAsync(billId);
if (bill == null)
{
return(new SalesViewModel());
}
var sales = await GetSales(user.UserId, bill.shop_id, bill.report_date.AddSeconds(-1), bill.report_date.AddSeconds(1));
return(sales.FirstOrDefault(p => p.id == billId));
}
