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content_eh.php
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Sat, Sep 27, 8:20 AM

content_eh.php
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<?php
/**
* @version $Id: content_eh.php 16692 2021-08-31 09:24:09Z alex $
* @package In-Portal
* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
* @license GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.org/license for copyright notices and details.
*/
defined('FULL_PATH') or die('restricted access!');
class ContentEventHandler extends kDBEventHandler {
/**
* Checks user permission to execute given $event
*
* @param kEvent $event
* @return bool
* @access public
*/
public function CheckPermission(kEvent $event)
{
/** @var kPermissionsHelper $perm_helper */
$perm_helper = $this->Application->recallObject('PermissionsHelper');
$user_id = $this->Application->RecallVar('user_id');
// user can change top category
$top_category = $this->Application->getBaseCategory();
$perm_status = $perm_helper->CheckUserPermission($user_id, 'CATEGORY.MODIFY', 0, $top_category);
return $perm_helper->finalizePermissionCheck($event, $perm_status);
}
/**
* Saves changes to a content block (+ creates draft if missing)
*
* @param kEvent $event
*/
function OnSaveContentBlock($event)
{
if ( $this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1) ) {
$event->status = kEvent::erFAIL;
return;
}
$updated = $this->saveContentBlock($event, false);
if ( $this->Application->GetVar('ajax') == 'yes' ) {
$event->status = kEvent::erSTOP;
echo ($updated === false) ? 'FAILED' : 'OK';
}
elseif ( !$updated ) {
$event->status = kEvent::erFAIL;
}
$event->SetRedirectParam('opener', 'u');
}
/**
* Prepare temp tables and populate it
* with items selected in the grid
*
* @param kEvent $event
* @return void
* @access protected
*/
protected function OnEdit(kEvent $event)
{
parent::OnEdit($event);
/** @var fckFCKHelper $fck_helper */
$fck_helper = $this->Application->recallObject('FCKHelper');
$transit_params = $fck_helper->getTransitParams();
foreach ($transit_params as $param_name => $param_value) {
$event->SetRedirectParam($param_name, $param_value);
}
}
/**
* Saves changes & changes language
*
* @param kEvent $event
* @return void
* @access protected
*/
protected function OnPreSaveAndChangeLanguage(kEvent $event)
{
if ( $this->UseTempTables($event) ) {
parent::OnPreSaveAndChangeLanguage($event);
return;
}
// CUSTOM: begin
$event->CallSubEvent('OnSaveContentBlock');
$event->SetRedirectParam('opener', 's');
// CUSTOM: end
if ( $event->status == kEvent::erSUCCESS ) {
$this->Application->SetVar('m_lang', $this->Application->GetVar('language'));
$data = $this->Application->GetVar('st_id');
if ( $data ) {
$event->SetRedirectParam('st_id', $data);
}
}
}
/**
* Performs auto-save of current content block (will create draft too)
*
* @param kEvent $event
*/
function OnAutoSave($event)
{
$event->status = kEvent::erSTOP;
if ( $this->Application->GetVar('ajax') != 'yes' ) {
return ;
}
echo $this->saveContentBlock($event, true);
}
/**
* Saves content block
*
* @param kEvent $event
* @param bool $is_draft
* @return string
*/
function saveContentBlock($event, $is_draft)
{
$items_info = $this->Application->GetVar($event->getPrefixSpecial(true));
if ( !$items_info ) {
return '';
}
list ($object, $revision) = $this->getContentBlockAndRevision($event);
/** @var kDBItem $revision */
/** @var kDBItem $object */
$field_values = current($items_info);
$object->SetFieldsFromHash($field_values);
$event->setEventParam('form_data', $field_values);
$updated = $object->Update();
if ( $updated ) {
$revision->SetDBField('AutoSavedOn_date', adodb_mktime());
$revision->SetDBField('AutoSavedOn_time', adodb_mktime());
$revision->Update();
}
if ( $is_draft ) {
if ( $updated ) {
/** @var PageHelper $page_helper */
$page_helper = $this->Application->recallObject('PageHelper');
return $revision->GetField('AutoSavedOn') . ' (' . $page_helper->getAgoTime($revision->GetDBField('AutoSavedOn')) . ')';
}
}
else {
return $updated;
}
return '';
}
/**
* Returns last autosave time
*
* @param kEvent $event
*/
function OnGetAutoSaveTime($event)
{
$event->status = kEvent::erSTOP;
if ( $this->Application->GetVar('ajax') != 'yes' ) {
return;
}
list (, $revision) = $this->getContentBlockAndRevision($event);
/** @var kDBItem $revision */
/** @var PageHelper $page_helper */
$page_helper = $this->Application->recallObject('PageHelper');
$time = $revision->GetField('AutoSavedOn');
if ( $time ) {
echo $time . ' (' . $page_helper->getAgoTime($revision->GetDBField('AutoSavedOn')) . ')';
}
}
/**
* Loads content block from given revision
*
* @param kDBItem $object
* @param kDBItem $revision
*/
function loadFromRevision(&$object, &$revision)
{
$load_keys = Array(
'PageId' => $object->GetDBField('PageId'),
'ContentNum' => $object->GetDBField('ContentNum'),
'RevisionId' => $revision->GetID(),
);
$object->Load($load_keys);
}
/**
* Returns content block.
*
* @param kEvent $event
*
* @return kDBItem[]
*/
function getContentBlockAndRevision($event)
{
/** @var kDBItem $object */
$object = $event->getObject(Array('skip_autoload' => true));
$items_info = $this->Application->GetVar($event->getPrefixSpecial(true));
if ( !$items_info ) {
return array();
}
$id = key($items_info);
$object->Load($id);
/** @var kDBItem $revision */
$revision = $this->Application->recallObject('page-revision', null, Array('skip_autoload' => true));
$revision->Load($object->GetDBField('RevisionId'));
if ( $this->Application->ConfigValue('EnablePageContentRevisionControl') && !$revision->GetDBField('IsDraft') ) {
// editing live revision of a page's content block -> get draft for current user and page
$load_keys = Array(
'PageId' => $revision->GetDBField('PageId'),
'IsDraft' => 1,
'CreatedById' => $this->Application->RecallVar('user_id'),
);
$revision->Load($load_keys);
if ( $revision->isLoaded() ) {
// draft found -> use draft's content block version
$this->loadFromRevision($object, $revision);
}
else {
// draft not found -> create new
$revision->SetDBFieldsFromHash($load_keys);
$revision->SetDBField('FromRevisionId', $object->GetDBField('RevisionId'));
if ( $revision->Create() ) {
$this->loadFromRevision($object, $revision);
}
}
}
return Array(&$object, &$revision);
}
}

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