/**
* @param Invoice $invoice
* @return string
*/
protected function getIssueDateAddition(Invoice $invoice)
{
switch ($invoice->getStatus()) {
case Invoice::STATUS_DRAFT:
case Invoice::STATUS_SENT:
if ($invoice->getDueDate() === null) {
return 'No due date';
}
$dueTime = $invoice->getDueDate()->diff($invoice->getIssueDate())->days;
return sprintf('Due in %d %s', $dueTime, $dueTime === 1 ? 'day' : 'days');
case Invoice::STATUS_LATE:
$lateTime = $invoice->getDueDate()->diff($invoice->getIssueDate())->days;
return sprintf('%d %s late', $lateTime, $lateTime === 1 ? 'day' : 'days');
case Invoice::STATUS_PAID:
$payTime = $invoice->getPayDate()->diff($invoice->getIssueDate())->days;
return sprintf('Paid in %d %s', $payTime, $payTime === 1 ? 'day' : 'days');
}
throw new RuntimeException(sprintf('Invalid invoice status "%s"', $invoice->getStatus()));
}
