src/Biz/Content/Service/Impl/FileServiceImpl.php

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<?php

namespace Biz\Content\Service\Impl;

use Biz\BaseService;
use Biz\Common\CommonException;
use Biz\Content\Dao\FileDao;
use Biz\Content\Dao\FileGroupDao;
use Biz\Content\FileException;
use Biz\Content\Service\FileService;
use Biz\Course\Service\CourseService;
use Biz\System\Service\SettingService;
use Biz\User\UserException;
use Symfony\Component\HttpFoundation\File\File;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use AppBundle\Common\ArrayToolkit;
use AppBundle\Common\FileToolkit;

class FileServiceImpl extends BaseService implements FileService
{
    /**
     * {@inheritdoc}
     */
    public function getFiles($group, $start, $limit)
    {
        if (empty($group)) {
            return $this->getFileDao()->find($start, $limit);
        }

        $group = $this->getGroupDao()->getByCode($group);
        if (empty($group)) {
            return array();
        }

        return $this->getFileDao()->findByGroupId($group['id'], $start, $limit);
    }

    /**
     * {@inheritdoc}
     */
    public function getFileCount($group = null)
    {
        if (empty($group)) {
            return $this->getFileDao()->countAll();
        }

        $group = $this->getGroupDao()->getByCode($group);

        if (empty($group)) {
            return 0;
        }

        return $this->getFileDao()->countByGroupId($group['id']);
    }

    /**
     * {@inheritdoc}
     */
    public function getTargetFiles($target)
    {