BookStack Code Mirror - bookstack/blob - app/Http/Controllers/BookController.php

   1 <?php namespace BookStack\Http\Controllers;
   2
   3 use Activity;
   4 use BookStack\Book;
   5 use BookStack\Repos\EntityRepo;
   6 use BookStack\Repos\UserRepo;
   7 use BookStack\Services\ExportService;
   8 use Illuminate\Http\Request;
   9 use Illuminate\Http\Response;
  10 use Views;
  11 use File;
  12
  13 class BookController extends Controller
  14 {
  15
  16     protected $entityRepo;
  17     protected $userRepo;
  18     protected $exportService;
  19
  20     /**
  21      * BookController constructor.
  22      * @param EntityRepo $entityRepo
  23      * @param UserRepo $userRepo
  24      * @param ExportService $exportService
  25      */
  26     public function __construct(EntityRepo $entityRepo, UserRepo $userRepo, ExportService $exportService)
  27     {
  28         $this->entityRepo = $entityRepo;
  29         $this->userRepo = $userRepo;
  30         $this->exportService = $exportService;
  31         parent::__construct();
  32     }
  33
  34     /**
  35      * Display a listing of the book.
  36      * @return Response
  37      */
  38     public function index()
  39     {
  40         $books = $this->entityRepo->getAllPaginated('book', 16);
  41         $recents = $this->signedIn ? $this->entityRepo->getRecentlyViewed('book', 4, 0) : false;
  42         $popular = $this->entityRepo->getPopular('book', 3, 0);
  43         $books_display = $this->currentUser->books_display;
  44         $this->setPageTitle('Books');
  45         return view('books/index', ['books' => $books, 'recents' => $recents, 'popular' => $popular, 'books_display' => $books_display] );
  46     }
  47
  48     /**
  49      * Show the form for creating a new book.
  50      * @return Response
  51      */
  52     public function create()
  53     {
  54         $this->checkPermission('book-create-all');
  55         $this->setPageTitle(trans('entities.books_create'));
  56         return view('books/create');
  57     }
  58
  59     /**
  60      * Store a newly created book in storage.
  61      *
  62      * @param  Request $request
  63      * @return Response
  64      */
  65     public function store(Request $request)
  66     {
  67         $this->checkPermission('book-create-all');
  68         $this->validate($request, [
  69             'name' => 'required|string|max:255',
  70             'description' => 'string|max:1000'
  71         ]);
  72         $image = $request->file('image');
  73         $path = $this->getBookCoverURL($image);
  74         $book = $this->entityRepo->createFromInput('book', $request->all());
  75         $book->image = $path;
  76         $book->save();
  77         Activity::add($book, 'book_create', $book->id);
  78         return redirect($book->getUrl());
  79     }
  80
  81     /**
  82      * Display the specified book.
  83      * @param $slug
  84      * @return Response
  85      */
  86     public function show($slug)
  87     {
  88         $book = $this->entityRepo->getBySlug('book', $slug);
  89         $this->checkOwnablePermission('book-view', $book);
  90         $bookChildren = $this->entityRepo->getBookChildren($book);
  91         Views::add($book);
  92         $this->setPageTitle($book->getShortName());
  93         return view('books/show', ['book' => $book, 'current' => $book, 'bookChildren' => $bookChildren]);
  94     }
  95
  96     /**
  97      * Show the form for editing the specified book.
  98      * @param $slug
  99      * @return Response
 100      */
 101     public function edit($slug)
 102     {
 103         $book = $this->entityRepo->getBySlug('book', $slug);
 104         $this->checkOwnablePermission('book-update', $book);
 105         $this->setPageTitle(trans('entities.books_edit_named',['bookName'=>$book->getShortName()]));
 106         return view('books/edit', ['book' => $book, 'current' => $book]);
 107     }
 108
 109     /**
 110      * Update the specified book in storage.
 111      * @param  Request $request
 112      * @param          $slug
 113      * @return Response
 114      */
 115     public function update(Request $request, $slug)
 116     {
 117         $book = $this->entityRepo->getBySlug('book', $slug);
 118         $this->checkOwnablePermission('book-update', $book);
 119         $this->validate($request, [
 120             'name' => 'required|string|max:255',
 121             'description' => 'string|max:1000'
 122         ]);
 123          $image = $request->file('image');
 124          $path = $this->getBookCoverURL($image);
 125          $book = $this->entityRepo->updateFromInput('book', $book, $request->all());
 126          $book->image = $path;
 127          $book->save();
 128          Activity::add($book, 'book_update', $book->id);
 129          return redirect($book->getUrl());
 130     }
 131
 132     /**
 133      * Generate URL for book cover image
 134      * @param  $image
 135      * @return $path
 136      */
 137     private function getBookCoverURL($image)
 138     {
 139         if(is_null($image))
 140         {
 141             return;
 142         }
 143         else
 144         {
 145             $input = time().'-'.$image->getClientOriginalName();
 146             $destinationPath = public_path('uploads/book/');
 147             $image->move($destinationPath, $input);
 148             $path = baseUrl('/uploads/book/').'/'.$input;
 149             return $path;
 150         }
 151     }
 152
 153     /**
 154      * Shows the page to confirm deletion
 155      * @param $bookSlug
 156      * @return \Illuminate\View\View
 157      */
 158     public function showDelete($bookSlug)
 159     {
 160         $book = $this->entityRepo->getBySlug('book', $bookSlug);
 161         $this->checkOwnablePermission('book-delete', $book);
 162         $this->setPageTitle(trans('entities.books_delete_named', ['bookName'=>$book->getShortName()]));
 163         return view('books/delete', ['book' => $book, 'current' => $book]);
 164     }
 165
 166     /**
 167      * Shows the view which allows pages to be re-ordered and sorted.
 168      * @param string $bookSlug
 169      * @return \Illuminate\View\View
 170      */
 171     public function sort($bookSlug)
 172     {
 173         $book = $this->entityRepo->getBySlug('book', $bookSlug);
 174         $this->checkOwnablePermission('book-update', $book);
 175         $bookChildren = $this->entityRepo->getBookChildren($book, true);
 176         $books = $this->entityRepo->getAll('book', false);
 177         $this->setPageTitle(trans('entities.books_sort_named', ['bookName'=>$book->getShortName()]));
 178         return view('books/sort', ['book' => $book, 'current' => $book, 'books' => $books, 'bookChildren' => $bookChildren]);
 179     }
 180
 181     /**
 182      * Shows the sort box for a single book.
 183      * Used via AJAX when loading in extra books to a sort.
 184      * @param $bookSlug
 185      * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
 186      */
 187     public function getSortItem($bookSlug)
 188     {
 189         $book = $this->entityRepo->getBySlug('book', $bookSlug);
 190         $bookChildren = $this->entityRepo->getBookChildren($book);
 191         return view('books/sort-box', ['book' => $book, 'bookChildren' => $bookChildren]);
 192     }
 193
 194     /**
 195      * Saves an array of sort mapping to pages and chapters.
 196      * @param  string $bookSlug
 197      * @param Request $request
 198      * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
 199      */
 200     public function saveSort($bookSlug, Request $request)
 201     {
 202         $book = $this->entityRepo->getBySlug('book', $bookSlug);
 203         $this->checkOwnablePermission('book-update', $book);
 204
 205         // Return if no map sent
 206         if (!$request->has('sort-tree')) {
 207             return redirect($book->getUrl());
 208         }
 209
 210         // Sort pages and chapters
 211         $sortedBooks = [];
 212         $updatedModels = collect();
 213         $sortMap = json_decode($request->get('sort-tree'));
 214         $defaultBookId = $book->id;
 215
 216         // Loop through contents of provided map and update entities accordingly
 217         foreach ($sortMap as $bookChild) {
 218             $priority = $bookChild->sort;
 219             $id = intval($bookChild->id);
 220             $isPage = $bookChild->type == 'page';
 221             $bookId = $this->entityRepo->exists('book', $bookChild->book) ? intval($bookChild->book) : $defaultBookId;
 222             $chapterId = ($isPage && $bookChild->parentChapter === false) ? 0 : intval($bookChild->parentChapter);
 223             $model = $this->entityRepo->getById($isPage?'page':'chapter', $id);
 224
 225             // Update models only if there's a change in parent chain or ordering.
 226             if ($model->priority !== $priority || $model->book_id !== $bookId || ($isPage && $model->chapter_id !== $chapterId)) {
 227                 $this->entityRepo->changeBook($isPage?'page':'chapter', $bookId, $model);
 228                 $model->priority = $priority;
 229                 if ($isPage) $model->chapter_id = $chapterId;
 230                 $model->save();
 231                 $updatedModels->push($model);
 232             }
 233
 234             // Store involved books to be sorted later
 235             if (!in_array($bookId, $sortedBooks)) {
 236                 $sortedBooks[] = $bookId;
 237             }
 238         }
 239
 240         // Add activity for books
 241         foreach ($sortedBooks as $bookId) {
 242             /** @var Book $updatedBook */
 243             $updatedBook = $this->entityRepo->getById('book', $bookId);
 244             $this->entityRepo->buildJointPermissionsForBook($updatedBook);
 245             Activity::add($updatedBook, 'book_sort', $updatedBook->id);
 246         }
 247
 248         return redirect($book->getUrl());
 249     }
 250
 251     /**
 252      * Remove the specified book from storage.
 253      * @param $bookSlug
 254      * @return Response
 255      */
 256     public function destroy($bookSlug)
 257     {
 258         $book = $this->entityRepo->getBySlug('book', $bookSlug);
 259         $this->checkOwnablePermission('book-delete', $book);
 260         Activity::addMessage('book_delete', 0, $book->name);
 261         $file = basename($book->image);
 262         File::delete('uploads/book/'.$file);
 263         $this->entityRepo->destroyBook($book);
 264         return redirect('/books');
 265     }
 266
 267     /**
 268      * Show the Restrictions view.
 269      * @param $bookSlug
 270      * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
 271      */
 272     public function showRestrict($bookSlug)
 273     {
 274         $book = $this->entityRepo->getBySlug('book', $bookSlug);
 275         $this->checkOwnablePermission('restrictions-manage', $book);
 276         $roles = $this->userRepo->getRestrictableRoles();
 277         return view('books/restrictions', [
 278             'book' => $book,
 279             'roles' => $roles
 280         ]);
 281     }
 282
 283     /**
 284      * Set the restrictions for this book.
 285      * @param $bookSlug
 286      * @param $bookSlug
 287      * @param Request $request
 288      * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
 289      */
 290     public function restrict($bookSlug, Request $request)
 291     {
 292         $book = $this->entityRepo->getBySlug('book', $bookSlug);
 293         $this->checkOwnablePermission('restrictions-manage', $book);
 294         $this->entityRepo->updateEntityPermissionsFromRequest($request, $book);
 295         session()->flash('success', trans('entities.books_permissions_updated'));
 296         return redirect($book->getUrl());
 297     }
 298
 299     /**
 300      * Export a book as a PDF file.
 301      * @param string $bookSlug
 302      * @return mixed
 303      */
 304     public function exportPdf($bookSlug)
 305     {
 306         $book = $this->entityRepo->getBySlug('book', $bookSlug);
 307         $pdfContent = $this->exportService->bookToPdf($book);
 308         return response()->make($pdfContent, 200, [
 309             'Content-Type'        => 'application/octet-stream',
 310             'Content-Disposition' => 'attachment; filename="' . $bookSlug . '.pdf'
 311         ]);
 312     }
 313
 314     /**
 315      * Export a book as a contained HTML file.
 316      * @param string $bookSlug
 317      * @return mixed
 318      */
 319     public function exportHtml($bookSlug)
 320     {
 321         $book = $this->entityRepo->getBySlug('book', $bookSlug);
 322         $htmlContent = $this->exportService->bookToContainedHtml($book);
 323         return response()->make($htmlContent, 200, [
 324             'Content-Type'        => 'application/octet-stream',
 325             'Content-Disposition' => 'attachment; filename="' . $bookSlug . '.html'
 326         ]);
 327     }
 328
 329     /**
 330      * Export a book as a plain text file.
 331      * @param $bookSlug
 332      * @return mixed
 333      */
 334     public function exportPlainText($bookSlug)
 335     {
 336         $book = $this->entityRepo->getBySlug('book', $bookSlug);
 337         $htmlContent = $this->exportService->bookToPlainText($book);
 338         return response()->make($htmlContent, 200, [
 339             'Content-Type'        => 'application/octet-stream',
 340             'Content-Disposition' => 'attachment; filename="' . $bookSlug . '.txt'
 341         ]);
 342     }
 343 }