107 lines
2.6 KiB
PHP
107 lines
2.6 KiB
PHP
<?php
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/**
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* This class is responsible for filtering the SiteTree when necessary and also overlaps into
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* filtering only published posts.
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*
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* @package silverstripe
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* @subpackage blog
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*/
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class BlogFilter extends Lumberjack {
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/**
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* {@inheritdoc}
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*/
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public function stageChildren($showAll = false) {
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$staged = parent::stageChildren($showAll);
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if(!$this->shouldFilter() && $this->subclassForBlog() && !Permission::check('VIEW_DRAFT_CONTENT')) {
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$stage = Versioned::current_stage();
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if($stage == 'Stage') {
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$stage = '';
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} elseif($stage) {
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$stage = '_' . $stage;
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}
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$dataQuery = $staged->dataQuery()
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->innerJoin('BlogPost', sprintf('BlogPost%s.ID = SiteTree%s.ID', $stage, $stage))
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->where(sprintf('PublishDate < \'%s\'', Convert::raw2sql(SS_Datetime::now())));
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$staged = $staged->setDataQuery($dataQuery);
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}
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return $staged;
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}
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/**
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* @return bool
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*/
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protected function subclassForBlog() {
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return in_array(get_class($this->owner), ClassInfo::subClassesFor('Blog'));
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}
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/**
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* {@inheritdoc}
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*/
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public function liveChildren($showAll = false, $onlyDeletedFromStage = false) {
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$staged = parent::liveChildren($showAll, $onlyDeletedFromStage);
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if(!$this->shouldFilter() && $this->isBlog() && !Permission::check('VIEW_DRAFT_CONTENT')) {
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$dataQuery = $staged->dataQuery()
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->innerJoin('BlogPost', 'BlogPost_Live.ID = SiteTree_Live.ID')
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->where(sprintf('PublishDate < \'%s\'', Convert::raw2sql(SS_Datetime::now())));
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$staged = $staged->setDataQuery($dataQuery);
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}
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return $staged;
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}
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/**
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* @return bool
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*/
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protected function isBlog() {
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return $this->owner instanceof Blog;
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}
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/**
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* {@inheritdoc}
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*/
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public function updateCMSFields(FieldList $fields) {
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$excluded = $this->owner->getExcludedSiteTreeClassNames();
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if(!empty($excluded)) {
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$pages = SiteTree::get()->filter(array(
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'ParentID' => $this->owner->ID,
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'ClassName' => $excluded
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))->sort('SiteTree.Created DESC');
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$gridField = new BlogFilter_GridField(
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'ChildPages',
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$this->getLumberjackTitle(),
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$pages,
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$this->getLumberjackGridFieldConfig()
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);
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$tab = new Tab('ChildPages', $this->getLumberjackTitle(), $gridField);
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$fields->insertBefore($tab, 'Main');
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}
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}
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}
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/**
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* Enables children of non-editable pages to be edited.
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*/
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class BlogFilter_GridField extends GridField {
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/**
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* @param FormTransformation $transformation
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*
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* @return $this
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*/
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public function transform(FormTransformation $transformation) {
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return $this;
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}
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}
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