BookStack Code Mirror - bookstack/blob - app/Entities/Controllers/ChapterApiController.php

   1 <?php
   2
   3 namespace BookStack\Entities\Controllers;
   4
   5 use BookStack\Entities\Models\Book;
   6 use BookStack\Entities\Models\Chapter;
   7 use BookStack\Entities\Repos\ChapterRepo;
   8 use BookStack\Exceptions\PermissionsException;
   9 use BookStack\Http\ApiController;
  10 use Exception;
  11 use Illuminate\Database\Eloquent\Relations\HasMany;
  12 use Illuminate\Http\Request;
  13
  14 class ChapterApiController extends ApiController
  15 {
  16     protected $rules = [
  17         'create' => [
  18             'book_id'          => ['required', 'integer'],
  19             'name'             => ['required', 'string', 'max:255'],
  20             'description'      => ['string', 'max:1900'],
  21             'description_html' => ['string', 'max:2000'],
  22             'tags'             => ['array'],
  23             'priority'         => ['integer'],
  24         ],
  25         'update' => [
  26             'book_id'          => ['integer'],
  27             'name'             => ['string', 'min:1', 'max:255'],
  28             'description'      => ['string', 'max:1900'],
  29             'description_html' => ['string', 'max:2000'],
  30             'tags'             => ['array'],
  31             'priority'         => ['integer'],
  32         ],
  33     ];
  34
  35     public function __construct(
  36         protected ChapterRepo $chapterRepo
  37     ) {
  38     }
  39
  40     /**
  41      * Get a listing of chapters visible to the user.
  42      */
  43     public function list()
  44     {
  45         $chapters = Chapter::visible();
  46
  47         return $this->apiListingResponse($chapters, [
  48             'id', 'book_id', 'name', 'slug', 'description', 'priority',
  49             'created_at', 'updated_at', 'created_by', 'updated_by', 'owned_by',
  50         ]);
  51     }
  52
  53     /**
  54      * Create a new chapter in the system.
  55      */
  56     public function create(Request $request)
  57     {
  58         $requestData = $this->validate($request, $this->rules['create']);
  59
  60         $bookId = $request->get('book_id');
  61         $book = Book::visible()->findOrFail($bookId);
  62         $this->checkOwnablePermission('chapter-create', $book);
  63
  64         $chapter = $this->chapterRepo->create($requestData, $book);
  65
  66         return response()->json($this->forJsonDisplay($chapter));
  67     }
  68
  69     /**
  70      * View the details of a single chapter.
  71      */
  72     public function read(string $id)
  73     {
  74         $chapter = Chapter::visible()->findOrFail($id);
  75         $chapter = $this->forJsonDisplay($chapter);
  76
  77         $chapter->load([
  78             'createdBy', 'updatedBy', 'ownedBy',
  79             'pages' => function (HasMany $query) {
  80                 $query->scopes('visible')->get(['id', 'name', 'slug']);
  81             }
  82         ]);
  83
  84         return response()->json($chapter);
  85     }
  86
  87     /**
  88      * Update the details of a single chapter.
  89      * Providing a 'book_id' property will essentially move the chapter
  90      * into that parent element if you have permissions to do so.
  91      */
  92     public function update(Request $request, string $id)
  93     {
  94         $requestData = $this->validate($request, $this->rules()['update']);
  95         $chapter = Chapter::visible()->findOrFail($id);
  96         $this->checkOwnablePermission('chapter-update', $chapter);
  97
  98         if ($request->has('book_id') && $chapter->book_id !== intval($requestData['book_id'])) {
  99             $this->checkOwnablePermission('chapter-delete', $chapter);
 100
 101             try {
 102                 $this->chapterRepo->move($chapter, "book:{$requestData['book_id']}");
 103             } catch (Exception $exception) {
 104                 if ($exception instanceof PermissionsException) {
 105                     $this->showPermissionError();
 106                 }
 107
 108                 return $this->jsonError(trans('errors.selected_book_not_found'));
 109             }
 110         }
 111
 112         $updatedChapter = $this->chapterRepo->update($chapter, $requestData);
 113
 114         return response()->json($this->forJsonDisplay($updatedChapter));
 115     }
 116
 117     /**
 118      * Delete a chapter.
 119      * This will typically send the chapter to the recycle bin.
 120      */
 121     public function delete(string $id)
 122     {
 123         $chapter = Chapter::visible()->findOrFail($id);
 124         $this->checkOwnablePermission('chapter-delete', $chapter);
 125
 126         $this->chapterRepo->destroy($chapter);
 127
 128         return response('', 204);
 129     }
 130
 131     protected function forJsonDisplay(Chapter $chapter): Chapter
 132     {
 133         $chapter = clone $chapter;
 134         $chapter->unsetRelations()->refresh();
 135
 136         $chapter->load(['tags']);
 137         $chapter->makeVisible('description_html');
 138         $chapter->setAttribute('description_html', $chapter->descriptionHtml());
 139         $chapter->setAttribute('book_slug', $chapter->book()->first()->slug);
 140
 141         return $chapter;
 142     }
 143 }