90 lines
2.5 KiB
PHP
90 lines
2.5 KiB
PHP
<?php
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/**
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* This class is responsible for filtering the SiteTree when necessary and also
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* overlaps into 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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* @author Michael Strong <github@michaelstrong.co.uk>
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*
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**/
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class BlogFilter extends Lumberjack {
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/**
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* Augments (@link Hierarchy::stageChildren()}
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*
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* @param $staged DataList
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* @param $showAll boolean
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**/
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public function stageChildren($showAll = false) {
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$staged = parent::stageChildren($showAll);
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if(!$this->shouldFilter()
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&& in_array(get_class($this->owner), ClassInfo::subClassesFor("Blog"))
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&& !Permission::check("VIEW_DRAFT_CONTENT")
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) {
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// Get the current stage.
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$stage = Versioned::current_stage();
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if($stage == "Stage") $stage = "";
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elseif($stage) $stage = "_{$stage}";
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// Filter published posts
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$dataQuery = $staged->dataQuery()
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->innerJoin("BlogPost", '"BlogPost' . $stage . '"."ID" = "SiteTree' . $stage . '"."ID"')
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->where('"PublishDate" < \'' . Convert::raw2sql(SS_Datetime::now()) . '\'');
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$staged = $staged->setDataQuery($dataQuery);
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}
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return $staged;
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}
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public function liveChildren($showAll = false, $onlyDeletedFromStage = false) {
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$staged = parent::liveChildren($showAll, $onlyDeletedFromStage);
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if(!$this->shouldFilter()
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&& $this->owner instanceof Blog
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&& !Permission::check("VIEW_DRAFT_CONTENT")
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) {
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// Filter publish posts
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$dataQuery = $staged->dataQuery()
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->innerJoin("BlogPost", '"BlogPost_Live"."ID" = "SiteTree_Live"."ID"')
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->where('"BlogPost"."PublishDate" < \'' . Convert::raw2sql(SS_Datetime::now()->getValue()) . '\'');
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$staged = $staged->setDataQuery($dataQuery);
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}
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return $staged;
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}
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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' => $excluded
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));
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$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->insertAfter($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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public function transform(FormTransformation $trans) {
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// Don't allow parent object transformations to propegate automatically to child records
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return $this;
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}
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}
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