public async Task <ActionResult <IEnumerable <ProductInvoiceViewModel> > > GetProductInvoices()
{
List <ProductInvoice> productInvoices = await _productInvoicesRepository.GetAll().ToListAsync();
return(Ok(_mapper.Map <IEnumerable <ProductInvoiceViewModel> >(productInvoices)));
}
private bool ProductInvoiceExists(int id)
{
return(_productInvoicesRepository.GetAll().Any(p => p.Id == id));
}