silverstripe-subsites/code/extensions/SiteConfigSubsites.php

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2010-03-01 03:59:04 +01:00
<?php
/**
* Extension for the SiteConfig object to add subsites support
*/
2015-11-23 04:53:45 +01:00
class SiteConfigSubsites extends DataExtension
{
private static $has_one = array(
'Subsite' => 'Subsite', // The subsite that this page belongs to
);
/**
* Update any requests to limit the results to the current site
*/
public function augmentSQL(SQLQuery &$query)
{
if (Subsite::$disable_subsite_filter) {
return;
}
// If you're querying by ID, ignore the sub-site - this is a bit ugly...
if ($query->filtersOnID()) {
return;
}
$regexp = '/^(.*\.)?("|`)?SubsiteID("|`)?\s?=/';
foreach ($query->getWhereParameterised($parameters) as $predicate) {
if (preg_match($regexp, $predicate)) {
return;
}
}
/*if($context = DataObject::context_obj()) $subsiteID = (int)$context->SubsiteID;
else */$subsiteID = (int)Subsite::currentSubsiteID();
$froms=$query->getFrom();
$froms=array_keys($froms);
$tableName = array_shift($froms);
if ($tableName != 'SiteConfig') {
return;
}
$query->addWhere("\"$tableName\".\"SubsiteID\" IN ($subsiteID)");
}
public function onBeforeWrite()
{
if ((!is_numeric($this->owner->ID) || !$this->owner->ID) && !$this->owner->SubsiteID) {
$this->owner->SubsiteID = Subsite::currentSubsiteID();
}
}
/**
* Return a piece of text to keep DataObject cache keys appropriately specific
*/
public function cacheKeyComponent()
{
return 'subsite-'.Subsite::currentSubsiteID();
}
public function updateCMSFields(FieldList $fields)
{
$fields->push(new HiddenField('SubsiteID', 'SubsiteID', Subsite::currentSubsiteID()));
}
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}