silverstripe-externallinks/code/jobs/CheckExternalLinksJob.php

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<?php
if(!class_exists('AbstractQueuedJob')) return;
/**
* A Job for running a external link check for published pages
*
*/
class CheckExternalLinksJob extends AbstractQueuedJob implements QueuedJob {
public function __construct() {
$this->pagesToProcess = Versioned::get_by_stage('SiteTree', 'Live')->column();
$this->currentStep = 0;
$this->totalSteps = count($this->pagesToProcess);
}
public function getTitle() {
return _t('CheckExternalLiksJob.TITLE', 'Checking for external broken links');
}
public function getJobType() {
return QueuedJob::QUEUED;
}
public function getSignature() {
return md5(get_class($this));
}
public function setup() {
parent::setup();
$restart = $this->currentStep == 0;
if ($restart) {
$this->pagesToProcess = Versioned::get_by_stage('SiteTree', 'Live')->column();
}
}
/**
* Check a individual page
*/
public function process() {
$remainingPages = $this->pagesToProcess;
if (!count($remainingPages)) {
$this->isComplete = true;
return;
}
// lets process our first item - note that we take it off the list of things left to do
$ID = array_shift($remainingPages);
// get the page
$page = Versioned::get_by_stage('SiteTree', 'Live', 'ID = '.$ID);
if (!$page || !$page->Count()) {
$this->addMessage("Page ID #$ID could not be found, skipping");
}
$task = new CheckExternalLinks();
$task->run($page);
// and now we store the new list of remaining children
$this->pagesToProcess = $remainingPages;
$this->currentStep++;
if (!count($remainingPages)) {
$this->isComplete = true;
return;
}
}
}