chill-bundles/Export/Export/CountActivity.php

<?php

/*
 * Copyright (C) 2015 Champs-Libres <info@champs-libres.coop>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace Chill\ActivityBundle\Export\Export;

use Chill\MainBundle\Export\ExportInterface;
use Doctrine\ORM\Query\Expr\Join;
use Doctrine\ORM\QueryBuilder;
use Symfony\Component\Security\Core\Role\Role;

/**
 * 
 *
 * @author Julien Fastré <julien.fastre@champs-libres.coop>
 */
class CountActivity implements ExportInterface
{
    
    public function buildForm(\Symfony\Component\Form\FormBuilderInterface $builder)
    {
        throw new \LogicException('This export does not requires a form.');
    }

    public function getDescription()
    {
        return "Count activities";
    }

    public function getTitle()
    {
        return "Count activities";
    }

    public function getType()
    {
        return 'activity';
    }

    public function initiateQuery(QueryBuilder $qb, array $requiredModifiers, $acl)
    {
        $qb->select('COUNT(activity.id) as export_count_activity')
                ->from('ChillActivityBundle:Activity', 'activity')
                ;
        
        if (in_array('person', $requiredModifiers)) {
            $qb->join('activity.person', 'person');
        }
        
        return $qb;
    }

    public function hasForm()
    {
        return false;
    }
    
    public function supportsModifiers()
    {
        return array('person', 'activity');
    }
    
    public function requiredRole()
    {
        return new Role('dummy');
    }

}