src/Biz/UserLearnStatistics/Dao/Impl/TotalStatisticsDaoImpl.php

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<?php

namespace Biz\UserLearnStatistics\Dao\Impl;

use Codeages\Biz\Framework\Dao\AdvancedDaoImpl;
use Biz\UserLearnStatistics\Dao\TotalStatisticsDao;
use Codeages\Biz\Framework\Dao\DaoException;

class TotalStatisticsDaoImpl extends AdvancedDaoImpl implements TotalStatisticsDao
{
    protected $table = 'user_learn_statistics_total';

    public function statisticSearch($conditions, $orderBys)
    {
        $builder = $this->createQueryBuilder($conditions)
            ->select('userId, sum(joinedClassroomNum) as joinedClassroomNum, sum(joinedCourseSetNum) as joinedCourseSetNum, sum(joinedCourseNum) as joinedCourseNum, sum(exitClassroomNum) as exitClassroomNum, max(createdTime), sum(exitCourseNum) as exitCourseNum, sum(finishedTaskNum) as finishedTaskNum, sum(learnedSeconds) as learnedSeconds, sum(actualAmount) as actualAmount')
            ->groupBy('userId');

        $declares = $this->declares();
        foreach ($orderBys ?: array() as $order => $sort) {
            $this->checkOrderBy($order, $sort, $declares['orderbys']);
            $builder->addOrderBy($order, $sort);
        }

        return $builder->execute()->fetchAll();
    }

    private function checkOrderBy($order, $sort, $allowOrderBys)
    {
        if (!in_array($order, $allowOrderBys, true)) {
            throw new DaoException(
                sprintf("SQL order by field is only allowed '%s', but you give `{$order}`.", implode(',', $allowOrderBys))
            );
        }
        if (!in_array(strtoupper($sort), array('ASC', 'DESC'), true)) {
            throw new DaoException("SQL order by direction is only allowed `ASC`, `DESC`, but you give `{$sort}`.");
        }
    }

    public function statisticCount($conditions)
    {
        $builder = $this->createQueryBuilder($conditions)
            ->select('COUNT(*)')
            ->groupBy('userId');

        return (int) $builder->execute()->rowCount();
    }

    public function findByIds($ids)
    {
        if (empty($ids)) {
            return array();
        }

        return $this->findInField('id', $ids);
    }

    public function declares()
    {
        return array(