+ $book = $this->entityRepo->getBySlug('book', $bookSlug);
+ $this->checkOwnablePermission('book-delete', $book);
+ $this->setPageTitle(trans('entities.books_delete_named', ['bookName'=>$book->getShortName()]));
+ return view('books/delete', ['book' => $book, 'current' => $book]);
+ }
+
+ /**
+ * Shows the view which allows pages to be re-ordered and sorted.
+ * @param string $bookSlug
+ * @return \Illuminate\View\View
+ */
+ public function sort($bookSlug)
+ {
+ $book = $this->entityRepo->getBySlug('book', $bookSlug);
+ $this->checkOwnablePermission('book-update', $book);
+ $bookChildren = $this->entityRepo->getBookChildren($book, true);
+ $books = $this->entityRepo->getAll('book', false, 'update');
+ $this->setPageTitle(trans('entities.books_sort_named', ['bookName'=>$book->getShortName()]));
+ return view('books/sort', ['book' => $book, 'current' => $book, 'books' => $books, 'bookChildren' => $bookChildren]);
+ }
+
+ /**
+ * Shows the sort box for a single book.
+ * Used via AJAX when loading in extra books to a sort.
+ * @param $bookSlug
+ * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
+ */
+ public function getSortItem($bookSlug)
+ {
+ $book = $this->entityRepo->getBySlug('book', $bookSlug);
+ $bookChildren = $this->entityRepo->getBookChildren($book);
+ return view('books/sort-box', ['book' => $book, 'bookChildren' => $bookChildren]);
+ }
+
+ /**
+ * Saves an array of sort mapping to pages and chapters.
+ * @param string $bookSlug
+ * @param Request $request
+ * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
+ */
+ public function saveSort($bookSlug, Request $request)
+ {
+ $book = $this->entityRepo->getBySlug('book', $bookSlug);
+ $this->checkOwnablePermission('book-update', $book);
+
+ // Return if no map sent
+ if (!$request->filled('sort-tree')) {
+ return redirect($book->getUrl());
+ }
+
+ // Sort pages and chapters
+ $sortMap = collect(json_decode($request->get('sort-tree')));
+ $bookIdsInvolved = collect([$book->id]);
+
+ // Load models into map
+ $sortMap->each(function ($mapItem) use ($bookIdsInvolved) {
+ $mapItem->type = ($mapItem->type === 'page' ? 'page' : 'chapter');
+ $mapItem->model = $this->entityRepo->getById($mapItem->type, $mapItem->id);
+ // Store source and target books
+ $bookIdsInvolved->push(intval($mapItem->model->book_id));
+ $bookIdsInvolved->push(intval($mapItem->book));
+ });
+
+ // Get the books involved in the sort
+ $bookIdsInvolved = $bookIdsInvolved->unique()->toArray();
+ $booksInvolved = $this->entityRepo->book->newQuery()->whereIn('id', $bookIdsInvolved)->get();
+ // Throw permission error if invalid ids or inaccessible books given.
+ if (count($bookIdsInvolved) !== count($booksInvolved)) {
+ $this->showPermissionError();
+ }
+ // Check permissions of involved books
+ $booksInvolved->each(function (Book $book) {
+ $this->checkOwnablePermission('book-update', $book);
+ });
+
+ // Perform the sort
+ $sortMap->each(function ($mapItem) {
+ $model = $mapItem->model;
+
+ $priorityChanged = intval($model->priority) !== intval($mapItem->sort);
+ $bookChanged = intval($model->book_id) !== intval($mapItem->book);
+ $chapterChanged = ($mapItem->type === 'page') && intval($model->chapter_id) !== $mapItem->parentChapter;
+
+ if ($bookChanged) {
+ $this->entityRepo->changeBook($mapItem->type, $mapItem->book, $model);
+ }
+ if ($chapterChanged) {
+ $model->chapter_id = intval($mapItem->parentChapter);
+ $model->save();
+ }
+ if ($priorityChanged) {
+ $model->priority = intval($mapItem->sort);
+ $model->save();
+ }
+ });
+
+ // Rebuild permissions and add activity for involved books.
+ $booksInvolved->each(function (Book $book) {
+ $this->entityRepo->buildJointPermissionsForBook($book);
+ Activity::add($book, 'book_sort', $book->id);
+ });
+
+ return redirect($book->getUrl());