class.assAnswerBinaryStateImage.php

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<?php
 
declare(strict_types=1);
 
use ILIAS\TestQuestionPool\ExportImport\Normalize\Envelopes\QuestionImage;
use ILIAS\TestQuestionPool\ExportImport\Foundation\Normalize\Transformations;
 
class ASS_AnswerBinaryStateImage extends ASS_AnswerBinaryState
{
    protected ?string $image = null;
 
    public function __construct(
        string $answertext = '',
        float $points = 0.0,
        int $order = 0,
        bool $state = false,
        ?string $a_image = null,
        int $id = -1
    ) {
        parent::__construct($answertext, (float) $points, $order, $state, $id);
        $this->setImage($a_image);
    }
 
    public function getImage(): ?string
    {
        return $this->image;
    }
 
    public function setImage(?string $image = null): void
    {
        if ($image === '') {
            throw new \Exception('imagename must not be empty');
        }
        $this->image = $image;
    }
 
    public function hasImage(): bool
    {
        return $this->image !== null;
    }
 
    #[\Override]
    public function toNormalized(
        Transformations $transformations,
        array $context = []
    ): array|float|bool|int|string|null
    {
        return [
            ...$transformations->normalize(parent::toNormalized($transformations, $context)),
            'image' => $this->image ?
                $transformations->normalize(new QuestionImage($this->image, $context['question_id'] ?? null))
                : null,
        ];
    }
 
    #[\Override]
    public function fromNormalized(
        array $normalized,
        Transformations $transformations
    ): static
    {
        $clone = parent::fromNormalized($normalized, $transformations);
        $clone->setImage($transformations->denormalize($normalized['image'], QuestionImage::class)?->getFilename());
        return $clone;
    }
}