class.assAnswerTrueFalse.php

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<?php
 
use ILIAS\TestQuestionPool\ExportImport\Foundation\Normalize\Transformations;
 
class ASS_AnswerTrueFalse extends ASS_AnswerSimple
{
    public $correctness;
 
    public function __construct($answertext = "", $points = 0.0, $order = 0, $correctness = false)
    {
        parent::__construct($answertext, $points, $order, -1, 0);
 
        // force $this->correctness to be a string
        // ilDB->quote makes 1 from true and saving it to ENUM('1','0') makes that '0'!!!
        // (maybe that only happens for certain mysql versions)
        $this->correctness = $correctness . "";
    }
 
    public function getCorrectness()
    {
        return $this->correctness;
    }
 
    public function isCorrect()
    {
        return $this->correctness;
    }
 
    public function isIncorrect(): bool
    {
        return !$this->correctness;
    }
 
    public function isTrue()
    {
        return $this->correctness;
    }
 
    public function isFalse(): bool
    {
        return !$this->correctness;
    }
 
    public function setCorrectness($correctness = false): void
    {
        // force $this->correctness to be a string
        // ilDB->quote makes 1 from true and saving it to ENUM('1','0') makes that '0'!!!
        // (maybe that only happens for certain mysql versions)
        $this->correctness = $correctness . "";
    }
 
    public function setTrue(): void
    {
        $this->correctness = "1";
    }
 
    public function setFalse(): void
    {
        $this->correctness = "0";
    }
 
    #[\Override]
    public function toNormalized(
        Transformations $transformations,
        array $context = []
    ): array|float|bool|int|string|null
    {
        return [
            ...$transformations->normalize(parent::toNormalized($transformations, $context)),
            'correctness' => $this->correctness,
        ];
    }
 
    #[\Override]
    public function fromNormalized(
        array $normalized,
        Transformations $transformations
    ): static
    {
        $clone = parent::fromNormalized($normalized, $transformations);
        $clone->setCorrectness($transformations->string($normalized['correctness']));
        return $clone;
    }
}