silverstripe-cms/code/Tasks/SiteTreeMaintenanceTask.php

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<?php
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namespace SilverStripe\CMS\Tasks;
use SilverStripe\Control\Controller;
use SilverStripe\ORM\DB;
use SilverStripe\ORM\DataObject;
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class SiteTreeMaintenanceTask extends Controller
{
private static $allowed_actions = array(
'*' => 'ADMIN'
);
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public function makelinksunique()
{
$badURLs = "'" . implode("', '", DB::query("SELECT URLSegment, count(*) FROM SiteTree GROUP BY URLSegment HAVING count(*) > 1")->column()) . "'";
$pages = DataObject::get("SilverStripe\\CMS\\Model\\SiteTree", "\"SiteTree\".\"URLSegment\" IN ($badURLs)");
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foreach ($pages as $page) {
echo "<li>$page->Title: ";
$urlSegment = $page->URLSegment;
$page->write();
if ($urlSegment != $page->URLSegment) {
echo _t(
'SiteTree.LINKSCHANGEDTO',
" changed {url1} -> {url2}",
array('url1' => $urlSegment, 'url2' => $page->URLSegment)
);
} else {
echo _t(
'SiteTree.LINKSALREADYUNIQUE',
" {url} is already unique",
array('url' => $urlSegment)
);
}
die();
}
}
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public function Link($action = null)
{
/** @skipUpgrade */
return Controller::join_links('SiteTreeMaintenanceTask', $action, '/');
}
}