478 lines
16 KiB
PHP
478 lines
16 KiB
PHP
<?php
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namespace SilverStripe\Subsites\Extensions;
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use Page;
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use SilverStripe\CMS\Model\SiteTree;
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use SilverStripe\Control\Controller;
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use SilverStripe\Control\Director;
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use SilverStripe\Control\HTTP;
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use SilverStripe\Core\Config\Config;
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use SilverStripe\Core\Convert;
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use SilverStripe\Forms\CheckboxField;
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use SilverStripe\Forms\DropdownField;
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use SilverStripe\Forms\FieldList;
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use SilverStripe\Forms\FormAction;
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use SilverStripe\Forms\ToggleCompositeField;
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use SilverStripe\ORM\DataExtension;
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use SilverStripe\ORM\DataObject;
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use SilverStripe\ORM\DataQuery;
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use SilverStripe\ORM\Queries\SQLSelect;
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use SilverStripe\Security\Member;
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use SilverStripe\SiteConfig\SiteConfig;
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use SilverStripe\Subsites\Model\Subsite;
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use SilverStripe\Subsites\State\SubsiteState;
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use SilverStripe\View\SSViewer;
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/**
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* Extension for the SiteTree object to add subsites support
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*/
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class SiteTreeSubsites extends DataExtension
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{
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private static $has_one = [
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'Subsite' => Subsite::class, // The subsite that this page belongs to
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];
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private static $many_many = [
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'CrossSubsiteLinkTracking' => SiteTree::class // Stored separately, as the logic for URL rewriting is different
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];
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private static $many_many_extraFields = [
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'CrossSubsiteLinkTracking' => ['FieldName' => 'Varchar']
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];
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public function isMainSite()
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{
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return $this->owner->SubsiteID == 0;
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}
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/**
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* Update any requests to limit the results to the current site
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* @param SQLSelect $query
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* @param DataQuery $dataQuery
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*/
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public function augmentSQL(SQLSelect $query, DataQuery $dataQuery = null)
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{
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if (Subsite::$disable_subsite_filter) {
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return;
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}
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if ($dataQuery && $dataQuery->getQueryParam('Subsite.filter') === false) {
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return;
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}
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// If you're querying by ID, ignore the sub-site - this is a bit ugly...
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// if(!$query->where || (strpos($query->where[0], ".\"ID\" = ") === false && strpos($query->where[0], ".`ID` = ") === false && strpos($query->where[0], ".ID = ") === false && strpos($query->where[0], "ID = ") !== 0)) {
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if ($query->filtersOnID()) {
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return;
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}
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$subsiteID = null;
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if (Subsite::$force_subsite) {
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$subsiteID = Subsite::$force_subsite;
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} else {
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$subsiteID = SubsiteState::singleton()->getSubsiteId();
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}
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if ($subsiteID === null) {
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return;
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}
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// The foreach is an ugly way of getting the first key :-)
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foreach ($query->getFrom() as $tableName => $info) {
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// The tableName should be SiteTree or SiteTree_Live...
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$siteTreeTableName = SiteTree::getSchema()->tableName(SiteTree::class);
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if (strpos($tableName, $siteTreeTableName) === false) {
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break;
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}
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$query->addWhere("\"$tableName\".\"SubsiteID\" IN ($subsiteID)");
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break;
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}
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}
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public function onBeforeWrite()
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{
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if (!$this->owner->ID && !$this->owner->SubsiteID) {
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$this->owner->SubsiteID = SubsiteState::singleton()->getSubsiteId();
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}
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parent::onBeforeWrite();
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}
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public function updateCMSFields(FieldList $fields)
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{
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$subsites = Subsite::accessible_sites('CMS_ACCESS_CMSMain');
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$subsitesMap = [];
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if ($subsites && $subsites->count()) {
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$subsitesToMap = $subsites->exclude('ID', $this->owner->SubsiteID);
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$subsitesMap = $subsitesToMap->map('ID', 'Title');
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}
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// Master page edit field (only allowed from default subsite to avoid inconsistent relationships)
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$isDefaultSubsite = $this->owner->SubsiteID == 0 || $this->owner->Subsite()->DefaultSite;
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if ($isDefaultSubsite && $subsitesMap) {
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$fields->addFieldToTab(
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'Root.Main',
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ToggleCompositeField::create(
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'SubsiteOperations',
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_t('SiteTreeSubsites.SubsiteOperations', 'Subsite Operations'),
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[
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new DropdownField('CopyToSubsiteID', _t(
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'SiteTreeSubsites.CopyToSubsite',
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'Copy page to subsite'
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), $subsitesMap),
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new CheckboxField(
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'CopyToSubsiteWithChildren',
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_t('SiteTreeSubsites.CopyToSubsiteWithChildren', 'Include children pages?')
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),
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$copyAction = new FormAction(
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'copytosubsite',
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_t('SiteTreeSubsites.CopyAction', 'Copy')
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)
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]
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)->setHeadingLevel(4)
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);
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// @todo check if this needs re-implementation
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// $copyAction->includeDefaultJS(false);
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}
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// replace readonly link prefix
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$subsite = $this->owner->Subsite();
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$nested_urls_enabled = Config::inst()->get(SiteTree::class, 'nested_urls');
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if ($subsite && $subsite->exists()) {
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// Use baseurl from domain
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$baseLink = $subsite->absoluteBaseURL();
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// Add parent page if enabled
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if ($nested_urls_enabled && $this->owner->ParentID) {
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$baseLink = Controller::join_links(
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$baseLink,
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$this->owner->Parent()->RelativeLink(true)
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);
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}
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$urlsegment = $fields->dataFieldByName('URLSegment');
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$urlsegment->setURLPrefix($baseLink);
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}
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}
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/**
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* Does the basic duplication, but doesn't write anything
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* this means we can subclass this easier and do more complex
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* relation duplication.
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*/
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public function duplicateToSubsitePrep($subsiteID)
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{
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if (is_object($subsiteID)) {
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$subsiteID = $subsiteID->ID;
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}
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$oldSubsite = SubsiteState::singleton()->getSubsiteId();
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if ($subsiteID) {
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Subsite::changeSubsite($subsiteID);
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} else {
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$subsiteID = $oldSubsite;
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}
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// doesn't write as we need to reset the SubsiteID, ParentID etc
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$clone = $this->owner->duplicate(false);
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$clone->CheckedPublicationDifferences = $clone->AddedToStage = true;
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$subsiteID = ($subsiteID ? $subsiteID : $oldSubsite);
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$clone->SubsiteID = $subsiteID;
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// We have no idea what the parentID should be, so as a workaround use the url-segment and subsite ID
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if ($this->owner->Parent()) {
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$parentSeg = $this->owner->Parent()->URLSegment;
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$newParentPage = Page::get()->filter('URLSegment', $parentSeg)->first();
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if ($newParentPage) {
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$clone->ParentID = $newParentPage->ID;
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} else {
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// reset it to the top level, so the user can decide where to put it
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$clone->ParentID = 0;
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}
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}
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// MasterPageID is here for legacy purposes, to satisfy the subsites_relatedpages module
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$clone->MasterPageID = $this->owner->ID;
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return $clone;
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}
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/**
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* Create a duplicate of this page and save it to another subsite
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* @param $subsiteID int|Subsite The Subsite to copy to, or its ID
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*/
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public function duplicateToSubsite($subsiteID = null)
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{
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$clone = $this->owner->duplicateToSubsitePrep($subsiteID);
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$clone->invokeWithExtensions('onBeforeDuplicateToSubsite', $this->owner);
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$clone->write();
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$clone->duplicateSubsiteRelations($this->owner);
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// new extension hooks which happens after write,
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// onAfterDuplicate isn't reliable due to
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// https://github.com/silverstripe/silverstripe-cms/issues/1253
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$clone->invokeWithExtensions('onAfterDuplicateToSubsite', $this->owner);
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return $clone;
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}
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/**
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* Duplicate relations using a static property to define
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* which ones we want to duplicate
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*
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* It may be that some relations are not diostinct to sub site so can stay
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* whereas others may need to be duplicated
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*
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*/
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public function duplicateSubsiteRelations($originalPage)
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{
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$thisClass = $originalPage->ClassName;
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$relations = Config::inst()->get($thisClass, 'duplicate_to_subsite_relations');
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if ($relations && !empty($relations)) {
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foreach ($relations as $relation) {
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$items = $originalPage->$relation();
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foreach ($items as $item) {
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$duplicateItem = $item->duplicate(false);
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$duplicateItem->{$thisClass.'ID'} = $this->owner->ID;
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$duplicateItem->write();
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}
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}
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}
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}
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/**
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* @return SiteConfig
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*/
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public function alternateSiteConfig()
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{
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if (!$this->owner->SubsiteID) {
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return false;
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}
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$sc = DataObject::get_one(SiteConfig::class, '"SubsiteID" = ' . $this->owner->SubsiteID);
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if (!$sc) {
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$sc = new SiteConfig();
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$sc->SubsiteID = $this->owner->SubsiteID;
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$sc->Title = _t('Subsite.SiteConfigTitle', 'Your Site Name');
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$sc->Tagline = _t('Subsite.SiteConfigSubtitle', 'Your tagline here');
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$sc->write();
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}
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return $sc;
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}
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/**
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* Only allow editing of a page if the member satisfies one of the following conditions:
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* - Is in a group which has access to the subsite this page belongs to
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* - Is in a group with edit permissions on the "main site"
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*
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* @param null $member
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* @return bool
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*/
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public function canEdit($member = null)
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{
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if (!$member) {
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$member = Member::currentUser();
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}
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// Find the sites that this user has access to
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$goodSites = Subsite::accessible_sites('CMS_ACCESS_CMSMain', true, 'all', $member)->column('ID');
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if (!is_null($this->owner->SubsiteID)) {
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$subsiteID = $this->owner->SubsiteID;
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} else {
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// The relationships might not be available during the record creation when using a GridField.
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// In this case the related objects will have empty fields, and SubsiteID will not be available.
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//
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// We do the second best: fetch the likely SubsiteID from the session. The drawback is this might
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// make it possible to force relations to point to other (forbidden) subsites.
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$subsiteID = SubsiteState::singleton()->getSubsiteId();
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}
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// Return true if they have access to this object's site
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if (!(in_array(0, $goodSites) || in_array($subsiteID, $goodSites))) {
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return false;
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}
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}
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/**
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* @param null $member
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* @return bool
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*/
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public function canDelete($member = null)
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{
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if (!$member && $member !== false) {
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$member = Member::currentUser();
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}
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return $this->canEdit($member);
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}
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/**
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* @param null $member
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* @return bool
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*/
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public function canAddChildren($member = null)
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{
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if (!$member && $member !== false) {
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$member = Member::currentUser();
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}
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return $this->canEdit($member);
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}
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/**
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* @param null $member
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* @return bool
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*/
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public function canPublish($member = null)
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{
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if (!$member && $member !== false) {
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$member = Member::currentUser();
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}
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return $this->canEdit($member);
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}
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/**
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* Called by ContentController::init();
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* @param $controller
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*/
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public static function contentcontrollerInit($controller)
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{
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$subsite = Subsite::currentSubsite();
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if ($subsite && $subsite->Theme) {
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SSViewer::set_themes(array_merge([$subsite->Theme], SSViewer::get_themes()));
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}
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}
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public function alternateAbsoluteLink()
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{
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// Generate the existing absolute URL and replace the domain with the subsite domain.
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// This helps deal with Link() returning an absolute URL.
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$url = Director::absoluteURL($this->owner->Link());
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if ($this->owner->SubsiteID) {
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$url = preg_replace('/\/\/[^\/]+\//', '//' . $this->owner->Subsite()->domain() . '/', $url);
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}
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return $url;
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}
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/**
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* Use the CMS domain for iframed CMS previews to prevent single-origin violations
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* and SSL cert problems.
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* @param null $action
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* @return string
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*/
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public function alternatePreviewLink($action = null)
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{
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$url = Director::absoluteURL($this->owner->Link());
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if ($this->owner->SubsiteID) {
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$url = HTTP::setGetVar('SubsiteID', $this->owner->SubsiteID, $url);
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}
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return $url;
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}
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/**
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* Inject the subsite ID into the content so it can be used by frontend scripts.
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* @param $tags
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* @return string
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*/
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public function MetaTags(&$tags)
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{
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if ($this->owner->SubsiteID) {
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$tags .= '<meta name="x-subsite-id" content="' . $this->owner->SubsiteID . "\" />\n";
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}
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return $tags;
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}
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public function augmentSyncLinkTracking()
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{
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// Set LinkTracking appropriately
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$links = HTTP::getLinksIn($this->owner->Content);
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$linkedPages = [];
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if ($links) {
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foreach ($links as $link) {
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if (substr($link, 0, strlen('http://')) == 'http://') {
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$withoutHttp = substr($link, strlen('http://'));
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if (strpos($withoutHttp, '/') && strpos($withoutHttp, '/') < strlen($withoutHttp)) {
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$domain = substr($withoutHttp, 0, strpos($withoutHttp, '/'));
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$rest = substr($withoutHttp, strpos($withoutHttp, '/') + 1);
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$subsiteID = Subsite::getSubsiteIDForDomain($domain);
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if ($subsiteID == 0) {
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continue;
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} // We have no idea what the domain for the main site is, so cant track links to it
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$origDisableSubsiteFilter = Subsite::$disable_subsite_filter;
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Subsite::disable_subsite_filter(true);
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$candidatePage = DataObject::get_one(
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SiteTree::class,
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"\"URLSegment\" = '" . Convert::raw2sql(urldecode($rest)) . "' AND \"SubsiteID\" = " . $subsiteID,
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false
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);
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Subsite::disable_subsite_filter($origDisableSubsiteFilter);
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if ($candidatePage) {
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$linkedPages[] = $candidatePage->ID;
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} else {
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$this->owner->HasBrokenLink = true;
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}
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}
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}
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}
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}
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$this->owner->CrossSubsiteLinkTracking()->setByIDList($linkedPages);
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}
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/**
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* Ensure that valid url segments are checked within the correct subsite of the owner object,
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* even if the current subsiteID is set to some other subsite.
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*
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* @return null|bool Either true or false, or null to not influence result
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*/
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public function augmentValidURLSegment()
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{
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// If this page is being filtered in the current subsite, then no custom validation query is required.
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$subsite = Subsite::$force_subsite ?: SubsiteState::singleton()->getSubsiteId();
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if (empty($this->owner->SubsiteID) || $subsite == $this->owner->SubsiteID) {
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return null;
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}
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// Backup forced subsite
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$prevForceSubsite = Subsite::$force_subsite;
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Subsite::$force_subsite = $this->owner->SubsiteID;
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// Repeat validation in the correct subsite
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$isValid = $this->owner->validURLSegment();
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// Restore
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Subsite::$force_subsite = $prevForceSubsite;
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return (bool)$isValid;
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}
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/**
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* Return a piece of text to keep DataObject cache keys appropriately specific
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*/
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public function cacheKeyComponent()
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{
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return 'subsite-' . SubsiteState::singleton()->getSubsiteId();
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}
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/**
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* @param Member
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* @return boolean|null
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*/
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public function canCreate($member = null)
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{
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// Typically called on a singleton, so we're not using the Subsite() relation
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$subsite = Subsite::currentSubsite();
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if ($subsite && $subsite->exists() && $subsite->PageTypeBlacklist) {
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$blacklisted = explode(',', $subsite->PageTypeBlacklist);
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// All subclasses need to be listed explicitly
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if (in_array($this->owner->class, $blacklisted)) {
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return false;
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}
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}
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}
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}
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