src/Biz/Testpaper/Builder/ExerciseBuilder.php

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<?php

namespace Biz\Testpaper\Builder;

use AppBundle\Common\ArrayToolkit;
use AppBundle\Common\TimeMachine;
use Codeages\Biz\Framework\Context\Biz;

class ExerciseBuilder implements TestpaperBuilderInterface
{
    protected $biz;

    public function __construct(Biz $biz)
    {
        $this->biz = $biz;
    }

    public function build($fields)
    {
        $fields['type'] = 'exercise';
        $fields['status'] = 'open';
        $fields['pattern'] = 'questionType';
        $fields['passedCondition'] = empty($fields['passedCondition']) ? array(0) : $fields['passedCondition'];

        $fields = $this->filterFields($fields);

        return $this->getTestpaperService()->createTestpaper($fields);
    }

    public function canBuild($options)
    {
        $questions = $this->getQuestions($options);
        $questionCount = count($questions);

        if ($questionCount < $options['itemCount']) {
            $lessNum = $options['itemCount'] - $questionCount;

            return array('status' => 'no', 'lessNum' => $lessNum);
        } else {
            return array('status' => 'yes');
        }
    }

    public function showTestItems($testId, $resultId = 0, $options = array())
    {
        $exercise = $this->getTestpaperService()->getTestpaperByIdAndType($testId, 'exercise');
        $orders = empty($options['orders']) ? array() : $options['orders'];

        $itemResults = array();
        if ($resultId) {
            $exerciseResult = $this->getTestpaperService()->getTestpaperResult($resultId);
            $orders = empty($exerciseResult['metas']['orders']) ? $orders : $exerciseResult['metas']['orders'];

            $itemResults = $this->getTestpaperService()->findItemResultsByResultId($exerciseResult['id'], true);
            $itemResults = ArrayToolkit::index($itemResults, 'questionId');
        }

        if ($itemResults) {
            $questionIds = ArrayToolkit::column($itemResults, 'questionId');
            $questions = $this->getQuestionService()->findQuestionsByIds($questionIds);