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<?php
namespace Civi\Api4\Event\Subscriber;
use Civi\Api4\Event\Events;
use Civi\Api4\Event\SchemaMapBuildEvent;
use Civi\Api4\Service\Schema\Joinable\ActivityToActivityContactAssigneesJoinable;
use Civi\Api4\Service\Schema\Joinable\BridgeJoinable;
use Civi\Api4\Service\Schema\Joinable\Joinable;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use \CRM_Utils_String as StringHelper;
class ActivitySchemaMapSubscriber implements EventSubscriberInterface {
/**
* @return array
*/
public static function getSubscribedEvents() {
return [
Events::SCHEMA_MAP_BUILD => 'onSchemaBuild',
];
}
/**
* @param SchemaMapBuildEvent $event
*/
public function onSchemaBuild(SchemaMapBuildEvent $event) {
$schema = $event->getSchemaMap();
$table = $schema->getTableByName('civicrm_activity');
$middleAlias = StringHelper::createRandom(10, implode(range('a', 'z')));
$middleLink = new ActivityToActivityContactAssigneesJoinable($middleAlias);
$bridge = new BridgeJoinable('civicrm_contact', 'id', 'assignees', $middleLink);
$bridge->setBaseTable('civicrm_activity_contact');
$bridge->setJoinType(Joinable::JOIN_TYPE_ONE_TO_MANY);
$table->addTableLink('contact_id', $bridge);
}
}
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