silverstripe-cms/code/CMSBatchActionHandler.php

135 lines
4.1 KiB
PHP
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<?php
/**
* Special request handler for admin/batchaction
*
* @package cms
* @subpackage batchaction
*/
class CMSBatchActionHandler extends RequestHandler {
static $batch_actions = array(
'publish' => 'CMSBatchAction_Publish',
'delete' => 'CMSBatchAction_Delete',
'deletefromlive' => 'CMSBatchAction_DeleteFromLive',
);
static $url_handlers = array(
'$BatchAction/applicablepages' => 'handleApplicablePages',
'$BatchAction' => 'handleAction',
);
protected $parentController;
protected $urlSegment;
/**
* Register a new batch action. Each batch action needs to be represented by a subclass
* of
*
* @param $urlSegment The URL Segment of the batch action - the URL used to process this
* action will be admin/batchactions/(urlSegment)
* @param $batchActionClass The name of the CMSBatchAction subclass to register
*/
static function register($urlSegment, $batchActionClass) {
if(is_subclass_of($batchActionClass, 'CMSBatchAction')) {
self::$batch_actions[$urlSegment] = $batchActionClass;
} else {
user_error("CMSBatchActionHandler::register() - Bad class '$batchActionClass'", E_USER_ERROR);
}
}
function __construct($parentController, $urlSegment) {
$this->parentController = $parentController;
$this->urlSegment = $urlSegment;
parent::__construct();
}
function Link() {
return Controller::join_links($this->parentController->Link(), $this->urlSegment);
}
function handleAction($request) {
// This method can't be called without ajax.
if(!Director::is_ajax()) {
Director::redirectBack();
return;
}
$actions = Object::get_static($this->class, 'batch_actions');
$actionClass = $actions[$request->param('BatchAction')];
$actionHandler = new $actionClass();
// Sanitise ID list and query the database for apges
$ids = split(' *, *', trim($request->requestVar('csvIDs')));
foreach($ids as $k => $v) if(!is_numeric($v)) unset($ids[$k]);
if($ids) {
$pages = DataObject::get('SiteTree', "\"SiteTree\".\"ID\" IN (" . implode(", ", $ids) . ")");
// If we didn't query all the pages, then find the rest on the live site
if(!$pages || $pages->Count() < sizeof($ids)) {
foreach($ids as $id) $idsFromLive[$id] = true;
if($pages) foreach($pages as $page) unset($idsFromLive[$page->ID]);
$idsFromLive = array_keys($idsFromLive);
// Debug::message("\"SiteTree\".\"ID\" IN (" . implode(", ", $idsFromLive) . ")");
$livePages = Versioned::get_by_stage('SiteTree', 'Live', "\"SiteTree\".\"ID\" IN (" . implode(", ", $idsFromLive) . ")");
if($pages) $pages->merge($livePages);
else $pages = $livePages;
}
} else {
$pages = new DataObjectSet();
}
return $actionHandler->run($pages);
}
function handleApplicablePages($request) {
// Find the action handler
$actions = Object::get_static($this->class, 'batch_actions');
$actionClass = $actions[$request->param('BatchAction')];
$actionHandler = new $actionClass();
// Sanitise ID list and query the database for apges
$ids = split(' *, *', trim($request->requestVar('csvIDs')));
foreach($ids as $k => $id) $ids[$k] = (int)$id;
$ids = array_filter($ids);
if($actionHandler->hasMethod('applicablePages')) {
$applicableIDs = $actionHandler->applicablePages($ids);
} else {
$applicableIDs = $ids;
}
$response = new HTTPResponse(json_encode($applicableIDs));
$response->addHeader("Content-type", "application/json");
return $response;
}
/**
* Return a DataObjectSet of ArrayData objects containing the following pieces of info
* about each batch action:
* - Link
* - Title
* - DoingText
*/
function batchActionList() {
$actions = Object::get_static($this->class, 'batch_actions');
$actionList = new DataObjectSet();
foreach($actions as $urlSegment => $actionClass) {
$actionObj = new $actionClass();
if($actionObj->canView()) {
$actionDef = new ArrayData(array(
"Link" => Controller::join_links($this->Link(), $urlSegment),
"Title" => $actionObj->getActionTitle(),
"DoingText" => $actionObj->getDoingText(),
));
$actionList->push($actionDef);
}
}
return $actionList;
}
}