public async Task <IActionResult> EditSingleInvoiceItems([FromBody] IEnumerable <Item> items)
{
var itemsList = items.ToList();
var distinctCount = itemsList.Select(i => i.InvoiceId).Distinct().Count();
if (distinctCount != 1)
{
return(BadRequest("Items of multiple invoices received."));
}
var notExistingItems = await _invoicesRepository.GetNotExistingItems(itemsList);
if (notExistingItems.Any())
{
return(NotFound(notExistingItems));
}
await _invoicesRepository.UpdateItemsOfSingleInvoiceAsync(itemsList);
return(Ok());
}