/**
* @NoAdminRequired
* @NoCSRFRequired
* @CORS
*
* Generates thumbnails
*
* @see PreviewController::getThumbnails()
*
* @param string $ids the ID of the files of which we need thumbnail previews of
* @param bool $square
* @param double $scale
*
* @return array<string,array|string|null>
*/
public function getThumbnails($ids, $square, $scale)
{
$idsArray = explode(';', $ids);
foreach ($idsArray as $id) {
// Casting to integer here instead of using array_map to extract IDs from the URL
list($thumbnail, $status) = $this->getThumbnail((int) $id, $square, $scale);
$thumbnail['fileid'] = $id;
$thumbnail['status'] = $status;
$this->eventSource->send('preview', $thumbnail);
}
$this->eventSource->close();
$this->exitController();
}
public function testEventSourceSend()
{
$thumbnailId = 1234;
$file = $this->mockFile($thumbnailId);
$preview = $this->mockBase64PreviewData($file);
$event = 'preview';
$message = 'event: ' . $event . PHP_EOL . 'data: ' . json_encode($preview) . PHP_EOL . PHP_EOL;
$this->mockEventSourceSend($event, $preview, $message);
$this->assertSame($message, $this->eventSource->send('preview', $preview));
}
