ilAssLacAnswerIndexNotExist.php

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<?php

class ilAssLacAnswerIndexNotExist extends ilAssLacException implements ilAssLacFormAlertProvider
{
    protected $question_index;

    protected $answer_index;

    public function __construct($question_index, $answer_index)
    {
        $this->question_index = $question_index;
        $this->answer_index = $answer_index;

        if ($this->getQuestionIndex() === null) {
            $msg = sprintf(
                'The Current Question does not have an answer with the index "%s"',
                $this->getAnswerIndex()
            );
        } else {
            $msg = sprintf(
                'The Question with index "Q%s" does not have an answer with the index "%s" ',
                $this->getQuestionIndex(),
                $this->getAnswerIndex()
            );
        }

        parent::__construct($msg);
    }

    public function getQuestionIndex(): int
    {
        return $this->question_index;
    }

    public function getAnswerIndex(): int
    {
        return $this->answer_index;
    }

    public function getFormAlert(ilLanguage $lng): string
    {
        if ($this->getQuestionIndex() === null) {
            return sprintf(
                $lng->txt("ass_lac_answer_index_not_exist_cur_qst"),
                $this->getAnswerIndex()
            );
        }

        return sprintf(
            $lng->txt("ass_lac_answer_index_not_exist"),
            $this->getQuestionIndex(),
            $this->getAnswerIndex()
        );
    }
}