93 lines
3.3 KiB
PHP
93 lines
3.3 KiB
PHP
<?php
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namespace SilverStripe\Subsites\Tasks;
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use InvalidArgumentException;
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use SilverStripe\CMS\Model\SiteTree;
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use SilverStripe\Dev\BuildTask;
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use SilverStripe\ORM\DataObject;
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use SilverStripe\Subsites\Model\Subsite;
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use SilverStripe\Subsites\Pages\SubsitesVirtualPage;
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use SilverStripe\Versioned\Versioned;
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/**
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* Handy alternative to copying pages when creating a subsite through the UI.
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*
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* Can be used to batch-add new pages after subsite creation, or simply to
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* process a large site outside of the UI.
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*
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* Example: sake dev/tasks/SubsiteCopyPagesTask from=<subsite-source> to=<subsite-target>
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*
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* @package subsites
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*/
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class SubsiteCopyPagesTask extends BuildTask
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{
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protected $title = 'Copy pages to different subsite';
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protected $description = '';
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private static $segment = 'SubsiteCopyPagesTask';
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public function run($request)
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{
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$subsiteFromId = $request->getVar('from');
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if (!is_numeric($subsiteFromId)) {
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throw new InvalidArgumentException('Missing "from" parameter');
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}
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$subsiteFrom = DataObject::get_by_id(Subsite::class, $subsiteFromId);
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if (!$subsiteFrom) {
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throw new InvalidArgumentException('Subsite not found');
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}
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$subsiteToId = $request->getVar('to');
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if (!is_numeric($subsiteToId)) {
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throw new InvalidArgumentException('Missing "to" parameter');
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}
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$subsiteTo = DataObject::get_by_id(Subsite::class, $subsiteToId);
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if (!$subsiteTo) {
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throw new InvalidArgumentException('Subsite not found');
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}
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$useVirtualPages = (bool)$request->getVar('virtual');
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Subsite::changeSubsite($subsiteFrom);
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// Copy data from this template to the given subsite. Does this using an iterative depth-first search.
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// This will make sure that the new parents on the new subsite are correct, and there are no funny
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// issues with having to check whether or not the new parents have been added to the site tree
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// when a page, etc, is duplicated
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$stack = [[0, 0]];
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while (count($stack ?? []) > 0) {
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list($sourceParentID, $destParentID) = array_pop($stack);
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$children = Versioned::get_by_stage(SiteTree::class, 'Live', "\"ParentID\" = $sourceParentID", '');
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if ($children) {
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foreach ($children as $child) {
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if ($useVirtualPages) {
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$childClone = new SubsitesVirtualPage();
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$childClone->writeToStage('Stage');
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$childClone->CopyContentFromID = $child->ID;
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$childClone->SubsiteID = $subsiteTo->ID;
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} else {
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$childClone = $child->duplicateToSubsite($subsiteTo->ID, true);
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}
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$childClone->ParentID = $destParentID;
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$childClone->writeToStage('Stage');
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$childClone->copyVersionToStage('Stage', 'Live');
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array_push($stack, [$child->ID, $childClone->ID]);
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$this->log(sprintf('Copied "%s" (#%d, %s)', $child->Title, $child->ID, $child->Link()));
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}
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}
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unset($children);
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}
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}
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public function log($msg)
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{
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echo $msg . "\n";
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}
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}
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