/
ElementalContentControllerExtension.php
79 lines (62 loc) · 2.31 KB
/
ElementalContentControllerExtension.php
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<?php
namespace DNADesign\Elemental\Extensions;
use SilverStripe\Core\Extension;
use SilverStripe\ORM\DataObject;
use DNADesign\Elemental\Models\ElementalArea;
use DNADesign\Elemental\Extensions\ElementalAreasExtension;
class ElementalContentControllerExtension extends Extension
{
/**
* @var array
*/
private static $allowed_actions = array(
'handleElement'
);
public function handleElement()
{
$id = $this->owner->getRequest()->param('ID');
if (!$id) {
user_error('No element ID supplied', E_USER_ERROR);
return false;
}
/** @var DataObject $elementOwner */
$elementOwner = $this->owner->data();
if (!$elementOwner->hasExtension(ElementalAreasExtension::class)) {
user_error(get_class($elementOwner) . ' doesnt have the ElementalAreasExtension applied', E_USER_ERROR);
return false;
}
$elementalAreaRelations = $elementOwner->getElementalRelations();
if (!$elementalAreaRelations) {
user_error(get_class($elementOwner) . ' has no ElementalArea relationships', E_USER_ERROR);
return false;
}
$element = $this->findElement($elementalAreaRelations, $elementOwner, $id);
if ($element) {
return $element->getController();
}
user_error('Element $id not found for this page', E_USER_ERROR);
return false;
}
private function findElement(iterable $elementalAreaRelations, DataObject $owner, $id): ?DataObject
{
foreach ($elementalAreaRelations as $elementalAreaRelation) {
$elements = $owner->$elementalAreaRelation()->Elements();
$found = $elements->filter('ID', $id)->First();
if ($found) {
return $found;
}
/** @var BaseElement $element */
foreach ($elements as $element) {
if (!$element->hasExtension(ElementalAreasExtension::class)) {
continue;
}
/** @var BaseElement&ElementalAreasExtension $element */
$found = $this->findElement($element->getElementalRelations(), $element, $id);
if ($found) {
return $found;
}
}
}
return null;
}
}