115 lines
3.2 KiB
PHP
115 lines
3.2 KiB
PHP
<?php
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namespace SilverStripe\Blog\Model;
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use SilverStripe\Blog\Model\BlogFilter\BlogFilterGridField;
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use SilverStripe\Core\ClassInfo;
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use SilverStripe\Core\Convert;
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use SilverStripe\Forms\FieldList;
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use SilverStripe\Forms\Tab;
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use SilverStripe\Lumberjack\Model\Lumberjack;
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use SilverStripe\ORM\DataObject;
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use SilverStripe\ORM\FieldType\DBDatetime;
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use SilverStripe\Security\Permission;
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use SilverStripe\Versioned\Versioned;
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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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*/
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class BlogFilter extends Lumberjack
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{
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/**
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* {@inheritdoc}
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*/
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public function stageChildren($showAll = false)
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{
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$staged = parent::stageChildren($showAll);
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if (!$this->shouldFilter() && $this->subclassForBlog() && !Permission::check('VIEW_DRAFT_CONTENT')) {
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$stage = Versioned::get_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(
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DataObject::getSchema()->tableName(BlogPost::class),
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sprintf('"BlogPost%s"."ID" = "SiteTree%s"."ID"', $stage, $stage)
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)
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->where(sprintf('"PublishDate" < \'%s\'', Convert::raw2sql(DBDatetime::now())));
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$staged = $staged->setDataQuery($dataQuery);
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}
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return $staged;
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}
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/**
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* @return bool
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*/
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protected function subclassForBlog()
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{
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return in_array(get_class($this->owner), ClassInfo::subclassesFor(Blog::class) ?? []);
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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, $onlyDeletedFromStage = false)
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{
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$staged = parent::liveChildren($showAll, $onlyDeletedFromStage);
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if (!$this->shouldFilter() && $this->isBlog() && !Permission::check('VIEW_DRAFT_CONTENT')) {
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$dataQuery = $staged->dataQuery()
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->innerJoin(
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DataObject::getSchema()->tableName(BlogPost::class),
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'"BlogPost_Live"."ID" = "SiteTree_Live"."ID"'
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)
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->where(sprintf('"PublishDate" < \'%s\'', Convert::raw2sql(DBDatetime::now())));
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$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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{
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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 $fields)
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{
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$excluded = $this->owner->getExcludedSiteTreeClassNames();
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if (!empty($excluded)) {
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$pages = BlogPost::get()->filter([
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'ParentID' => $this->owner->ID,
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'ClassName' => $excluded
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]);
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$gridField = BlogFilterGridField::create(
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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 = Tab::create('ChildPages', $this->getLumberjackTitle(), $gridField);
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$fields->insertBefore('Main', $tab);
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}
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}
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}
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