BookStack/app/Http/Controllers/ChapterExportController.php

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<?php
namespace BookStack\Http\Controllers;
use BookStack\Entities\ExportService;
use BookStack\Entities\Repos\EntityRepo;
use BookStack\Exceptions\NotFoundException;
use Illuminate\Http\Response;
use Throwable;
class ChapterExportController extends Controller
{
/**
* @var EntityRepo
*/
protected $entityRepo;
/**
* @var ExportService
*/
protected $exportService;
/**
* ChapterExportController constructor.
* @param EntityRepo $entityRepo
* @param ExportService $exportService
*/
public function __construct(EntityRepo $entityRepo, ExportService $exportService)
{
$this->entityRepo = $entityRepo;
$this->exportService = $exportService;
parent::__construct();
}
/**
* Exports a chapter to pdf .
* @param string $bookSlug
* @param string $chapterSlug
* @return Response
* @throws NotFoundException
* @throws Throwable
*/
public function pdf(string $bookSlug, string $chapterSlug)
{
$chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
$pdfContent = $this->exportService->chapterToPdf($chapter);
return $this->downloadResponse($pdfContent, $chapterSlug . '.pdf');
}
/**
* Export a chapter to a self-contained HTML file.
* @param string $bookSlug
* @param string $chapterSlug
* @return Response
* @throws NotFoundException
* @throws Throwable
*/
public function html(string $bookSlug, string $chapterSlug)
{
$chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
$containedHtml = $this->exportService->chapterToContainedHtml($chapter);
return $this->downloadResponse($containedHtml, $chapterSlug . '.html');
}
/**
* Export a chapter to a simple plaintext .txt file.
* @param string $bookSlug
* @param string $chapterSlug
* @return Response
* @throws NotFoundException
*/
public function plainText(string $bookSlug, string $chapterSlug)
{
$chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
$chapterText = $this->exportService->chapterToPlainText($chapter);
return $this->downloadResponse($chapterText, $chapterSlug . '.txt');
}
}