setThumbnails example

$subscriber = $this->getContainer()->get(MediaLoadedSubscriber::class);
        $context = Context::createDefaultContext();

        $mediaId = '34556f108ab14969a0dcf9d9522fd7df';
        $mimeType = 'image/png';

        $mediaEntity = new MediaEntity();
        $mediaEntity->setId($mediaId);
        $mediaEntity->setMimeType($mimeType);
        $mediaEntity->setFileExtension('png');
        $mediaEntity->setFileName($mediaId . '-134578345');
        $mediaEntity->setThumbnails(new MediaThumbnailCollection());

        $mediaLoadedEvent = new EntityLoadedEvent($this->getContainer()->get(MediaDefinition::class), [$mediaEntity], $context);
        $subscriber->addUrls($mediaLoadedEvent);

        static::assertStringEndsWith(
            $mediaEntity->getFileName() . '.' . $mediaEntity->getFileExtension(),
            $mediaEntity->getUrl()
        );
        static::assertEquals([], $mediaEntity->getThumbnails()->getElements());
    }

    

        if (isset($data['__media_width'])) {
            $media->setWidth((int) $data['__media_width']);
        }

        if (isset($data['__media_height'])) {
            $media->setHeight((int) $data['__media_height']);
        }

        if ($this->shouldAddThumbnails($media->getType(), $data)) {
            $media->setThumbnails(
                $this->getMediaThumbnails($data)
            );
        }

        if (!empty($data['__mediaAttribute_id'])) {
            $this->attributeHydrator->addAttribute($media, $data, 'mediaAttribute', 'media');
        }

        return $media;
    }

    

public function unserialize(EntityLoadedEvent $event): void
    {
        /** @var MediaEntity $media */
        foreach ($event->getEntities() as $media) {
            if ($media->getMediaTypeRaw()) {
                $media->setMediaType(unserialize($media->getMediaTypeRaw()));
            }

            if ($media->getThumbnails() === null) {
                if ($media->getThumbnailsRo()) {
                    $media->setThumbnails(unserialize($media->getThumbnailsRo()));
                } else {
                    $media->setThumbnails(new MediaThumbnailCollection());
                }
            }
        }
    }

    private function addThumbnailUrl(MediaThumbnailEntity $thumbnail, MediaEntity $media): void
    {
        $thumbnail->setUrl(
            $this->urlGenerator->getAbsoluteThumbnailUrl(
                

$media->setName($data['name']);
        $media->setPreview($data['preview']);
        $media->setType($data['type']);
        $media->setFile($data['file']);
        $media->setDescription($data['description']);

        $me = $this;
        $thumbnails = array_map(function D$thumbnailData) use ($me) {
            return $me->createThumbnail($thumbnailData);
        }, $data['thumbnails']);

        $media->setThumbnails($thumbnails);
        $media->addAttributes($this->createAttributes($data['attributes']));

        return $media;
    }

    /** * @param array $data * * @return Thumbnail */
    public function createThumbnail($data)
    {