silverstripe-subsites/code/GroupSubsites.php

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<?php
/**
* Extension for the Group object to add subsites support
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*
* @package subsites
*/
class GroupSubsites extends DataObjectDecorator {
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function extraStatics() {
// This is hard-coded to be applied to SiteTree, unfortunately
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if($this->owner->class == 'Group') {
return array(
'has_one' => array(
'Subsite' => 'Subsite',
),
);
}
}
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function updateCMSFields(&$fields) {
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if( $this->owner->SubsiteID == 0 || $this->owner->canEdit() ){
$subsites = DataObject::get('Subsite');
if ( $subsites && $subsites->exists() ) {
$oldSubsiteID = Session::get('SubsiteID');
foreach( $subsites as $subsite ) {
Subsite::changeSubsite($subsite->ID);
if ( !Permission::check('CL_Admin') ) { $subsites->remove( $subsite ) ; }
}
Subsite::changeSubsite($oldSubsiteID);
$tab = $fields->findOrMakeTab(
'Root.Subsites',
_t('GroupSubsites.SECURITYTABTITLE', 'Subsites')
);
$dropdown = new DropdownField(
'SubsiteID',
_t('GroupSubsites.SECURITYACCESS', 'Limit CMS access to subsites', PR_MEDIUM, 'Dropdown listing existing subsites which this group has access to'),
$subsites->toDropDownMap(),
null,
null,
''
);
if ( $subsites->Count() == 1 ) $dropdown = $dropdown->transform(new ReadonlyTransformation()) ;
$tab->push($dropdown) ;
}
}
}
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/**
* If this group belongs to a subsite,
* append the subsites title to the group title
* to make it easy to distinguish in the tree-view
* of the security admin interface.
*/
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function alternateTreeTitle() {
if($this->owner->SubsiteID == 0) {
return $this->owner->Title . ' <i>(global group)</i>';
} else {
return $this->owner->Title; // . ' <i>(' . $this->owner->Subsite()->Title . ')</i>';
}
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}
/**
* Update any requests to limit the results to the current site
*/
function augmentSQL(SQLQuery &$query) {
if(Subsite::$disable_subsite_filter) return;
// If you're querying by ID, ignore the sub-site - this is a bit ugly...
if(!$query->where || (strpos($query->where[0], ".\"ID\" = ") === false && strpos($query->where[0], ".`ID` = ") === false && strpos($query->where[0], ".ID = ") === false)) {
if($context = DataObject::context_obj()) $subsiteID = (int)$context->SubsiteID;
else $subsiteID = (int)Subsite::currentSubsiteID();
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// The foreach is an ugly way of getting the first key :-)
foreach($query->from as $tableName => $info) {
$query->where[] = "`$tableName`.SubsiteID IN (0, $subsiteID)";
break;
}
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$query->orderby = 'SubsiteID' . ($query->orderby ? ', ' : '') . $query->orderby;
}
}
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function augmentBeforeWrite() {
if(!is_numeric($this->owner->ID) && !$this->owner->SubsiteID) $this->owner->SubsiteID = Subsite::currentSubsiteID();
}
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function alternateCanEdit() {
// Check the CMS_ACCESS_SecurityAdmin privileges on the subsite that owns this group
$oldSubsiteID = Session::get('SubsiteID');
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Subsite::changeSubsite($this->owner->SubsiteID) ;
$access = Permission::check('CMS_ACCESS_SecurityAdmin');
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Subsite::changeSubsite($oldSubsiteID) ;
return $access;
}
/**
* Create a duplicate of this group and save it to another subsite.
* The group and permissions will be duplicated, but not the members.
* @param $subsiteID int|Subsite The Subsite to copy to, or its ID
*/
public function duplicateToSubsite($subsiteID = null) {
if(is_object($subsiteID)) {
$subsite = $subsiteID;
$subsiteID = $subsite->ID;
} else {
$subsite = DataObject::get_by_id('Subsite', $subsiteID);
}
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$group = $this->owner->duplicate(false);
$subsiteID = ($subsiteID ? $subsiteID : Subsite::currentSubsiteID());
$group->SubsiteID = $subsiteID;
$group->write();
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// Duplicate permissions
$permissions = $this->owner->Permissions();
foreach($permissions as $permission) {
$newPerm = $permission->duplicate(false);
$newPerm->GroupID = $group->ID;
$newPerm->write();
}
return $group;
}
}
?>