silverstripe-blog/extensions/BlogFilter.php

80 lines
2.4 KiB
PHP
Executable File

<?php
/**
* This class is responsible for filtering the SiteTree when necessary and also
* overlaps into filtering only published posts.
*
* @package silverstripe
* @subpackage blog
*
* @author Michael Strong <github@michaelstrong.co.uk>
*
**/
class BlogFilter extends Hierarchy {
/**
* Augments (@link Hierarchy::stageChildren()}
*
* @param $staged DataList
* @param $showAll boolean
**/
public function stageChildren($showAll = false) {
$staged = parent::stageChildren($showAll);
$controller = Controller::curr();
if($controller->class == "CMSPagesController"
&& in_array($controller->getAction(), array("treeview", "listview", "getsubtree"))
) {
// Filter the SiteTree
return $staged->exclude("ClassName", $this->owner->getExcludedSiteTreeClassNames());
} else if(in_array($this->owner->ClassName, ClassInfo::subClassesFor("Blog"))
&& !Permission::check("VIEW_DRAFT_CONTENT")
) {
// Get the current stage.
$stage = Versioned::current_stage();
if($stage == "Stage") $stage = "";
else $stage = "_" . Convert::raw2sql($stage);
// Filter published posts
$dataQuery = $staged->dataQuery()
->innerJoin("BlogPost", "BlogPost" . $stage . ".ID = SiteTree" . $stage . ".ID")
->where("PublishDate < '" . Convert::raw2sql(SS_Datetime::now()) . "'");
$staged = $staged->setDataQuery($dataQuery);
}
return $staged;
}
/**
* Augments (@link Hierarchy::liveChildren()}
*
* @param $staged DataList
* @param $showAll boolean
**/
public function liveChildren($showAll = false, $onlyDeletedFromStage = false) {
$staged = parent::liveChildren($showAll, $onlyDeletedFromStage);
$controller = Controller::curr();
if($controller->class == "CMSPagesController"
&& in_array($controller->getAction(), array("treeview", "listview", "getsubtree"))
) {
// Filter the SiteTree
return $staged->exclude("ClassName", $this->owner->getExcludedSiteTreeClassNames());
} else if(in_array($this->owner->ClassName, ClassInfo::subClassesFor("Blog"))
&& !Permission::check("VIEW_DRAFT_CONTENT")
) {
// Filter publish posts
$dataQuery = $staged->dataQuery()
->innerJoin("BlogPost", "BlogPost_Live.ID = SiteTree_Live.ID")
->where("PublishDate < '" . Convert::raw2sql(SS_Datetime::now()) . "'");
$staged = $staged->setDataQuery($dataQuery);
}
return $staged;
}
}