public async Task DeleteAsync(int id)
{
try
{
var invoice = await _invoiceDataProvider.GetByIdAsync(id);
if (invoice.BookingDate != null)
{
var message = $"Invoice {id} cannot be deleted because it has already been transferred to the accounting system.";
_logger.LogError(message);
throw new InvalidOperationException(message);
}
await _documentGenerationManager.DeleteInvoiceDocumentAsync(id);
await _documentGenerationManager.DeleteCertificateTemplateForInvoiceAsync(id);
await _documentGenerationManager.DeleteCertificateForInvoiceAsync(id);
await _invoiceDataProvider.DeleteByIdAsync(id);
}
catch (EntityNotFoundException)
{
// Invoice not found. Nothing should happen.
}
}