silverstripe-subsites/code/extensions/FileSubsites.php
2017-06-01 15:32:30 +02:00

160 lines
5.1 KiB
PHP

<?php
namespace SilverStripe\Subsites\Extensions;
use SilverStripe\Assets\Folder;
use SilverStripe\Control\Session;
use SilverStripe\Forms\DropdownField;
use SilverStripe\Forms\FieldList;
use SilverStripe\Forms\LiteralField;
use SilverStripe\ORM\DataExtension;
use SilverStripe\ORM\DataQuery;
use SilverStripe\ORM\Queries\SQLSelect;
use SilverStripe\Security\Permission;
use SilverStripe\Subsites\Model\Subsite;
/**
* Extension for the File object to add subsites support
*
* @package subsites
*/
class FileSubsites extends DataExtension
{
// If this is set to true, all folders created will be default be
// considered 'global', unless set otherwise
public static $default_root_folders_global = false;
private static $has_one = [
'Subsite' => Subsite::class,
];
/**
* Amends the CMS tree title for folders in the Files & Images section.
* Prefixes a '* ' to the folders that are accessible from all subsites.
*/
public function alternateTreeTitle()
{
if ($this->owner->SubsiteID == 0) {
return ' * ' . $this->owner->Title;
}
return $this->owner->Title;
}
/**
* Add subsites-specific fields to the folder editor.
*/
public function updateCMSFields(FieldList $fields)
{
if ($this->owner instanceof Folder) {
$sites = Subsite::accessible_sites('CMS_ACCESS_AssetAdmin');
$values = [];
$values[0] = _t('FileSubsites.AllSitesDropdownOpt', 'All sites');
foreach ($sites as $site) {
$values[$site->ID] = $site->Title;
}
ksort($values);
if ($sites) {
//Dropdown needed to move folders between subsites
$dropdown = new DropdownField(
'SubsiteID',
_t('FileSubsites.SubsiteFieldLabel', Subsite::class),
$values
);
$dropdown->addExtraClass('subsites-move-dropdown');
$fields->push($dropdown);
$fields->push(new LiteralField(
'Message',
'<p class="message notice">' .
_t('ASSETADMIN.SUBSITENOTICE',
'Folders and files created in the main site are accessible by all subsites.')
. '</p>'
));
}
}
}
/**
* Update any requests to limit the results to the current site
*/
public function augmentSQL(SQLSelect $query, DataQuery $dataQuery = null)
{
if (Subsite::$disable_subsite_filter) {
return;
}
// If you're querying by ID, ignore the sub-site - this is a bit ugly... (but it was WAYYYYYYYYY worse)
//@TODO I don't think excluding if SiteTree_ImageTracking is a good idea however because of the SS 3.0 api and ManyManyList::removeAll() changing the from table after this function is called there isn't much of a choice
$from = $query->getFrom();
if (isset($from['SiteTree_ImageTracking']) || $query->filtersOnID()) {
return;
}
$subsiteID = (int)Subsite::currentSubsiteID();
// The foreach is an ugly way of getting the first key :-)
foreach ($query->getFrom() as $tableName => $info) {
$where = "\"$tableName\".\"SubsiteID\" IN (0, $subsiteID)";
$query->addWhere($where);
break;
}
$sect = array_values($query->getSelect());
$isCounting = strpos($sect[0], 'COUNT') !== false;
// Ordering when deleting or counting doesn't apply
if (!$isCounting) {
$query->addOrderBy('"SubsiteID"');
}
}
public function onBeforeWrite()
{
if (!$this->owner->ID && !$this->owner->SubsiteID) {
if (self::$default_root_folders_global) {
$this->owner->SubsiteID = 0;
} else {
$this->owner->SubsiteID = Subsite::currentSubsiteID();
}
}
}
public function onAfterUpload()
{
// If we have a parent, use it's subsite as our subsite
if ($this->owner->Parent()) {
$this->owner->SubsiteID = $this->owner->Parent()->SubsiteID;
} else {
$this->owner->SubsiteID = Subsite::currentSubsiteID();
}
$this->owner->write();
}
public function canEdit($member = null)
{
// Check the CMS_ACCESS_SecurityAdmin privileges on the subsite that owns this group
$subsiteID = Session::get('SubsiteID');
if ($subsiteID && $subsiteID == $this->owner->SubsiteID) {
return true;
}
Session::set('SubsiteID', $this->owner->SubsiteID);
$access = Permission::check(['CMS_ACCESS_AssetAdmin', 'CMS_ACCESS_LeftAndMain']);
Session::set('SubsiteID', $subsiteID);
return $access;
}
/**
* Return a piece of text to keep DataObject cache keys appropriately specific
*
* @return string
*/
public function cacheKeyComponent()
{
return 'subsite-' . Subsite::currentSubsiteID();
}
}