BookStack/app/Http/Controllers/ChapterController.php

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<?php namespace BookStack\Http\Controllers;
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use BookStack\Actions\View;
use BookStack\Entities\Models\Book;
use BookStack\Entities\Tools\BookContents;
use BookStack\Entities\Repos\ChapterRepo;
use BookStack\Entities\Tools\PermissionsUpdater;
use BookStack\Exceptions\MoveOperationException;
use BookStack\Exceptions\NotFoundException;
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use Illuminate\Http\Request;
use Illuminate\Validation\ValidationException;
use Throwable;
use Views;
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class ChapterController extends Controller
{
protected $chapterRepo;
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/**
* ChapterController constructor.
*/
public function __construct(ChapterRepo $chapterRepo)
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{
$this->chapterRepo = $chapterRepo;
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}
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/**
* Show the form for creating a new chapter.
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*/
public function create(string $bookSlug)
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{
$book = Book::visible()->where('slug', '=', $bookSlug)->firstOrFail();
$this->checkOwnablePermission('chapter-create', $book);
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$this->setPageTitle(trans('entities.chapters_create'));
return view('chapters.create', ['book' => $book, 'current' => $book]);
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}
/**
* Store a newly created chapter in storage.
* @throws ValidationException
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*/
public function store(Request $request, string $bookSlug)
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{
$this->validate($request, [
'name' => 'required|string|max:255'
]);
$book = Book::visible()->where('slug', '=', $bookSlug)->firstOrFail();
$this->checkOwnablePermission('chapter-create', $book);
$chapter = $this->chapterRepo->create($request->all(), $book);
return redirect($chapter->getUrl());
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}
/**
* Display the specified chapter.
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*/
public function show(string $bookSlug, string $chapterSlug)
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{
$chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
$this->checkOwnablePermission('chapter-view', $chapter);
$sidebarTree = (new BookContents($chapter->book))->getTree();
$pages = $chapter->getVisiblePages();
View::incrementFor($chapter);
$this->setPageTitle($chapter->getShortName());
return view('chapters.show', [
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'book' => $chapter->book,
'chapter' => $chapter,
'current' => $chapter,
'sidebarTree' => $sidebarTree,
'pages' => $pages
]);
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}
/**
* Show the form for editing the specified chapter.
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*/
public function edit(string $bookSlug, string $chapterSlug)
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{
$chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
$this->checkOwnablePermission('chapter-update', $chapter);
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$this->setPageTitle(trans('entities.chapters_edit_named', ['chapterName' => $chapter->getShortName()]));
return view('chapters.edit', ['book' => $chapter->book, 'chapter' => $chapter, 'current' => $chapter]);
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}
/**
* Update the specified chapter in storage.
* @throws NotFoundException
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*/
public function update(Request $request, string $bookSlug, string $chapterSlug)
{
$chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
$this->checkOwnablePermission('chapter-update', $chapter);
$this->chapterRepo->update($chapter, $request->all());
return redirect($chapter->getUrl());
}
/**
* Shows the page to confirm deletion of this chapter.
* @throws NotFoundException
*/
public function showDelete(string $bookSlug, string $chapterSlug)
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{
$chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
$this->checkOwnablePermission('chapter-delete', $chapter);
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$this->setPageTitle(trans('entities.chapters_delete_named', ['chapterName' => $chapter->getShortName()]));
return view('chapters.delete', ['book' => $chapter->book, 'chapter' => $chapter, 'current' => $chapter]);
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}
/**
* Remove the specified chapter from storage.
* @throws NotFoundException
* @throws Throwable
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*/
public function destroy(string $bookSlug, string $chapterSlug)
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{
$chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
$this->checkOwnablePermission('chapter-delete', $chapter);
$this->chapterRepo->destroy($chapter);
return redirect($chapter->book->getUrl());
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}
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/**
* Show the page for moving a chapter.
* @throws NotFoundException
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*/
public function showMove(string $bookSlug, string $chapterSlug)
{
$chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
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$this->setPageTitle(trans('entities.chapters_move_named', ['chapterName' => $chapter->getShortName()]));
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$this->checkOwnablePermission('chapter-update', $chapter);
$this->checkOwnablePermission('chapter-delete', $chapter);
return view('chapters.move', [
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'chapter' => $chapter,
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'book' => $chapter->book
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]);
}
/**
* Perform the move action for a chapter.
* @throws NotFoundException
*/
public function move(Request $request, string $bookSlug, string $chapterSlug)
{
$chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
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$this->checkOwnablePermission('chapter-update', $chapter);
$this->checkOwnablePermission('chapter-delete', $chapter);
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$entitySelection = $request->get('entity_selection', null);
if ($entitySelection === null || $entitySelection === '') {
return redirect($chapter->getUrl());
}
try {
$newBook = $this->chapterRepo->move($chapter, $entitySelection);
} catch (MoveOperationException $exception) {
$this->showErrorNotification(trans('errors.selected_book_not_found'));
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return redirect()->back();
}
$this->showSuccessNotification(trans('entities.chapter_move_success', ['bookName' => $newBook->name]));
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return redirect($chapter->getUrl());
}
/**
* Show the Restrictions view.
* @throws NotFoundException
*/
public function showPermissions(string $bookSlug, string $chapterSlug)
{
$chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
$this->checkOwnablePermission('restrictions-manage', $chapter);
return view('chapters.permissions', [
'chapter' => $chapter,
]);
}
/**
* Set the restrictions for this chapter.
* @throws NotFoundException
*/
public function permissions(Request $request, PermissionsUpdater $permissionsUpdater, string $bookSlug, string $chapterSlug)
{
$chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
$this->checkOwnablePermission('restrictions-manage', $chapter);
$permissionsUpdater->updateFromPermissionsForm($chapter, $request);
$this->showSuccessNotification(trans('entities.chapters_permissions_success'));
return redirect($chapter->getUrl());
}
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}