public async Task <bool> Handle(DeleteStatementByInvoiceIdCommand request, CancellationToken cancellationToken)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
if (!request.IsValid())
{
await _mediatorHandler.RaiseEvent(
new DomainValidationEvent(request.ValidationResult.ToString()));
return(false);
}
var invoice = _invoiceRepository.GetById(request.InvoiceId);
if (invoice == null)
{
await _mediatorHandler.RaiseEvent(new NotFoundEvent(request.InvoiceId, "Statement", "Invoice not found."));
return(false);
}
var deletedStatements = await _statementRepository.DeleteByInvoiceIdAsync(invoice.Id);
foreach (var statement in deletedStatements)
{
await _mediatorHandler.RaiseEvent(new StatementDeletedEvent()
{
Old = statement
});
}
return(true);
}