338 lines
9.9 KiB
PHP
338 lines
9.9 KiB
PHP
<?php
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/**
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* Identify "orphaned" pages which point to a parent
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* that no longer exists in a specific stage.
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* Shows the pages to an administrator, who can then
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* decide which pages to remove by ticking a checkbox
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* and manually executing the removal.
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*
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* Caution: Pages also count as orphans if they don't
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* have parents in this stage, even if the parent has a representation
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* in the other stage:
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* - A live child is orphaned if its parent was deleted from live, but still exists on stage
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* - A stage child is orphaned if its parent was deleted from stage, but still exists on live
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*
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* See {@link RemoveOrphanedPagesTaskTest} for an example sitetree
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* before and after orphan removal.
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*
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* @author Ingo Schommer (<firstname>@silverstripe.com), SilverStripe Ltd.
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*
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* @package cms
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* @subpackage tasks
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*/
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//class RemoveOrphanedPagesTask extends BuildTask {
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class RemoveOrphanedPagesTask extends Controller {
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private static $allowed_actions = array(
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'index' => 'ADMIN',
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'Form' => 'ADMIN',
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'run' => 'ADMIN',
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'handleAction' => 'ADMIN',
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);
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protected $title = 'Removed orphaned pages without existing parents from both stage and live';
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protected $description = "
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<p>
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Identify 'orphaned' pages which point to a parent
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that no longer exists in a specific stage.
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</p>
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<p>
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Caution: Pages also count as orphans if they don't
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have parents in this stage, even if the parent has a representation
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in the other stage:<br />
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- A live child is orphaned if its parent was deleted from live, but still exists on stage<br />
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- A stage child is orphaned if its parent was deleted from stage, but still exists on live
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</p>
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";
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protected $orphanedSearchClass = 'SiteTree';
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public function Link() {
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return $this->class;
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}
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public function init() {
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parent::init();
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if(!Permission::check('ADMIN')) {
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return Security::permissionFailure($this);
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}
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}
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public function index() {
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Requirements::javascript(FRAMEWORK_DIR . '/thirdparty/jquery/jquery.js');
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Requirements::customCSS('#OrphanIDs .middleColumn {width: auto;}');
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Requirements::customCSS('#OrphanIDs label {display: inline;}');
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return $this->renderWith('BlankPage');
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}
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public function Form() {
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$fields = new FieldList();
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$source = array();
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$fields->push(new HeaderField(
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'Header',
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_t('RemoveOrphanedPagesTask.HEADER', 'Remove all orphaned pages task')
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));
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$fields->push(new LiteralField(
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'Description',
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$this->description
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));
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$orphans = $this->getOrphanedPages($this->orphanedSearchClass);
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if($orphans) foreach($orphans as $orphan) {
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$latestVersion = Versioned::get_latest_version($this->orphanedSearchClass, $orphan->ID);
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$latestAuthor = DataObject::get_by_id('Member', $latestVersion->AuthorID);
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$orphanBaseClass = ClassInfo::baseDataClass($this->orphanedSearchClass);
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$stageRecord = Versioned::get_one_by_stage(
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$this->orphanedSearchClass,
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'Stage',
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array("\"$orphanBaseClass\".\"ID\"" => $orphan->ID)
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);
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$liveRecord = Versioned::get_one_by_stage(
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$this->orphanedSearchClass,
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'Live',
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array("\"$orphanBaseClass\".\"ID\"" => $orphan->ID)
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);
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$label = sprintf(
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'<a href="admin/pages/edit/show/%d">%s</a> <small>(#%d, Last Modified Date: %s, Last Modifier: %s, %s)</small>',
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$orphan->ID,
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$orphan->Title,
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$orphan->ID,
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Date::create($orphan->LastEdited)->Nice(),
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($latestAuthor) ? $latestAuthor->Title : 'unknown',
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($liveRecord) ? 'is published' : 'not published'
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);
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$source[$orphan->ID] = $label;
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}
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if($orphans && $orphans->Count()) {
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$fields->push(new CheckboxSetField('OrphanIDs', false, $source));
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$fields->push(new LiteralField(
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'SelectAllLiteral',
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sprintf(
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'<p><a href="#" onclick="javascript:jQuery(\'#Form_Form_OrphanIDs :checkbox\').attr(\'checked\', \'checked\'); return false;">%s</a> ',
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_t('RemoveOrphanedPagesTask.SELECTALL', 'select all')
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)
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));
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$fields->push(new LiteralField(
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'UnselectAllLiteral',
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sprintf(
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'<a href="#" onclick="javascript:jQuery(\'#Form_Form_OrphanIDs :checkbox\').attr(\'checked\', \'\'); return false;">%s</a></p>',
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_t('RemoveOrphanedPagesTask.UNSELECTALL', 'unselect all')
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)
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));
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$fields->push(new OptionSetField(
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'OrphanOperation',
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_t('RemoveOrphanedPagesTask.CHOOSEOPERATION', 'Choose operation:'),
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array(
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'rebase' => _t(
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'RemoveOrphanedPagesTask.OPERATION_REBASE',
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sprintf(
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'Rebase selected to a new holder page "%s" and unpublish. None of these pages will show up for website visitors.',
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$this->rebaseHolderTitle()
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)
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),
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'remove' => _t('RemoveOrphanedPagesTask.OPERATION_REMOVE', 'Remove selected from all stages (WARNING: Will destroy all selected pages from both stage and live)'),
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),
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'rebase'
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));
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$fields->push(new LiteralField(
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'Warning',
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sprintf('<p class="message">%s</p>',
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_t(
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'RemoveOrphanedPagesTask.DELETEWARNING',
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'Warning: These operations are not reversible. Please handle with care.'
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)
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)
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));
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} else {
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$fields->push(new LiteralField(
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'NotFoundLabel',
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sprintf(
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'<p class="message">%s</p>',
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_t('RemoveOrphanedPagesTask.NONEFOUND', 'No orphans found')
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)
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));
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}
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$form = new Form(
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$this,
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'Form',
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$fields,
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new FieldList(
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new FormAction('doSubmit', _t('RemoveOrphanedPagesTask.BUTTONRUN', 'Run'))
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)
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);
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if(!$orphans || !$orphans->Count()) {
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$form->makeReadonly();
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}
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return $form;
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}
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public function run($request) {
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// @todo Merge with BuildTask functionality
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}
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public function doSubmit($data, $form) {
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set_time_limit(60*10); // 10 minutes
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if(!isset($data['OrphanIDs']) || !isset($data['OrphanOperation'])) return false;
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switch($data['OrphanOperation']) {
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case 'remove':
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$successIDs = $this->removeOrphans($data['OrphanIDs']);
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break;
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case 'rebase':
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$successIDs = $this->rebaseOrphans($data['OrphanIDs']);
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break;
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default:
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user_error(sprintf("Unknown operation: '%s'", $data['OrphanOperation']), E_USER_ERROR);
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}
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$content = '';
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if($successIDs) {
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$content .= "<ul>";
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foreach($successIDs as $id => $label) {
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$content .= sprintf('<li>%s</li>', $label);
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}
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$content .= "</ul>";
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} else {
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$content = _t('RemoveOrphanedPagesTask.NONEREMOVED', 'None removed');
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}
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return $this->customise(array(
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'Content' => $content,
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'Form' => ' '
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))->renderWith('BlankPage');
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}
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protected function removeOrphans($orphanIDs) {
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$removedOrphans = array();
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$orphanBaseClass = ClassInfo::baseDataClass($this->orphanedSearchClass);
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foreach($orphanIDs as $id) {
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$stageRecord = Versioned::get_one_by_stage(
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$this->orphanedSearchClass,
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'Stage',
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array("\"$orphanBaseClass\".\"ID\"" => $id)
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);
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if($stageRecord) {
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$removedOrphans[$stageRecord->ID] = sprintf('Removed %s (#%d) from Stage', $stageRecord->Title, $stageRecord->ID);
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$stageRecord->delete();
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$stageRecord->destroy();
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unset($stageRecord);
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}
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$liveRecord = Versioned::get_one_by_stage(
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$this->orphanedSearchClass,
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'Live',
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array("\"$orphanBaseClass\".\"ID\"" => $id)
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);
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if($liveRecord) {
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$removedOrphans[$liveRecord->ID] = sprintf('Removed %s (#%d) from Live', $liveRecord->Title, $liveRecord->ID);
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$liveRecord->doDeleteFromLive();
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$liveRecord->destroy();
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unset($liveRecord);
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}
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}
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return $removedOrphans;
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}
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protected function rebaseHolderTitle() {
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return sprintf('Rebased Orphans (%s)', date('d/m/Y g:ia', time()));
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}
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protected function rebaseOrphans($orphanIDs) {
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$holder = new SiteTree();
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$holder->ShowInMenus = 0;
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$holder->ShowInSearch = 0;
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$holder->ParentID = 0;
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$holder->Title = $this->rebaseHolderTitle();
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$holder->write();
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$removedOrphans = array();
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$orphanBaseClass = ClassInfo::baseDataClass($this->orphanedSearchClass);
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foreach($orphanIDs as $id) {
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$stageRecord = Versioned::get_one_by_stage(
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$this->orphanedSearchClass,
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'Stage',
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array("\"$orphanBaseClass\".\"ID\"" => $id)
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);
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if($stageRecord) {
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$removedOrphans[$stageRecord->ID] = sprintf('Rebased %s (#%d)', $stageRecord->Title, $stageRecord->ID);
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$stageRecord->ParentID = $holder->ID;
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$stageRecord->ShowInMenus = 0;
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$stageRecord->ShowInSearch = 0;
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$stageRecord->write();
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$stageRecord->doUnpublish();
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$stageRecord->destroy();
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//unset($stageRecord);
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}
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$liveRecord = Versioned::get_one_by_stage(
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$this->orphanedSearchClass,
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'Live',
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array("\"$orphanBaseClass\".\"ID\"" => $id)
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);
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if($liveRecord) {
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$removedOrphans[$liveRecord->ID] = sprintf('Rebased %s (#%d)', $liveRecord->Title, $liveRecord->ID);
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$liveRecord->ParentID = $holder->ID;
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$liveRecord->ShowInMenus = 0;
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$liveRecord->ShowInSearch = 0;
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$liveRecord->write();
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if(!$stageRecord) $liveRecord->doRestoreToStage();
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$liveRecord->doUnpublish();
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$liveRecord->destroy();
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unset($liveRecord);
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}
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if($stageRecord) {
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unset($stageRecord);
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}
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}
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return $removedOrphans;
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}
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/**
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* Gets all orphans from "Stage" and "Live" stages.
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*
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* @param string $class
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* @param array $filter
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* @param string $sort
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* @param string $join
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* @param int|array $limit
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* @return SS_List
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*/
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public function getOrphanedPages($class = 'SiteTree', $filter = array(), $sort = null, $join = null, $limit = null) {
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// Alter condition
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if(empty($filter)) $where = array();
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elseif(is_array($filter)) $where = $filter;
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else $where = array($filter);
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$where[] = array("\"$class\".\"ParentID\" != ?" => 0);
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$where[] = '"Parents"."ID" IS NULL';
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$orphans = new ArrayList();
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foreach(array('Stage', 'Live') as $stage) {
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$joinByStage = $join;
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$table = $class;
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$table .= ($stage == 'Live') ? '_Live' : '';
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$stageOrphans = Versioned::get_by_stage(
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$class,
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$stage,
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$where,
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$sort,
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null,
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$limit
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)->leftJoin($table, "\"$table\".\"ParentID\" = \"Parents\".\"ID\"", "Parents");
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$orphans->merge($stageOrphans);
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}
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$orphans->removeDuplicates();
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return $orphans;
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}
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}
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