<?php

/*
 * This file is part of Phraseanet
 *
 * (c) 2005-2013 Alchemy
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Repositories;

use Doctrine\ORM\EntityRepository;
use Entities\User;

/**
 * User
 *
 * This class was generated by the Doctrine ORM. Add your own custom
 * repository methods below.
 */
class UserRepository extends EntityRepository
{
    /**
     * Finds admins
     *
     * @return array
     */
    public function findAdmins()
    {
        $qb = $this->createQueryBuilder('u');

        $qb->where($qb->expr()->eq('u.admin', $qb->expr()->literal(true)))
            ->andWhere($qb->expr()->isNull('u.modelOf'))
            ->andWhere($qb->expr()->eq('u.deleted', $qb->expr()->literal(false)));

        return $qb->getQuery()->getResult();
    }

    /**
     * Sets a selection of user
     *
     * @param array $users An array of user
     *
     * @return integer The number of processed rows
     */
    public function setAdmins(array $users)
    {
        $qb = $this->createQueryBuilder('u');

        $qb->update('Entities\User', 'u')
            ->set('u.admin', $qb->expr()->literal(true))
            ->where($qb->expr()->in('u.id', array_map(function($value) {
                if ($value instanceof User) {
                    return $value->getId();
                }

                return (int) $value;
            }, $users)));

        return $qb->getQuery()->execute();
    }

    /**
     * Resets all admins
     *
     * @return integer The number of processed rows
     */
    public function resetAdmins()
    {
        $qb = $this->createQueryBuilder('u');

        $qb->update('Entities\User', 'u')
            ->set('u.admin', $qb->expr()->literal(false))
            ->where($qb->expr()->eq('u.admin', $qb->expr()->literal(true)));

        return $qb->getQuery()->execute();
    }

    /**
     * Finds a user by login
     *
     * @param string $login
     *
     * @return null|User
     */
    public function findByLogin($login)
    {
        return $this->findOneBy(array('login' => $login));
    }

    /**
     * Finds a user by email
     *
     * @param string $email
     *
     * @return null|User
     */
    public function findByEmail($email)
    {
        $qb = $this->createQueryBuilder('u');

        $qb->where($qb->expr()->eq('u.email', $email))
            ->andWhere($qb->expr()->isNotNull('u.email'))
            ->andWhere($qb->expr()->eq('u.deleted', $qb->expr()->literal(false)));

        return $qb->getQuery()->getOneOrNullResult();
    }
}