baseRepo = $baseRepo; } /** * Get a chapter via the slug. * @throws NotFoundException */ public function getBySlug(string $bookSlug, string $chapterSlug): Chapter { $chapter = Chapter::visible()->whereSlugs($bookSlug, $chapterSlug)->first(); if ($chapter === null) { throw new NotFoundException(trans('errors.chapter_not_found')); } return $chapter; } /** * Create a new chapter in the system. */ public function create(array $input, Book $parentBook): Chapter { $chapter = new Chapter(); $chapter->book_id = $parentBook->id; $chapter->priority = (new BookContents($parentBook))->getLastPriority() + 1; $this->baseRepo->create($chapter, $input); return $chapter; } /** * Update the given chapter. */ public function update(Chapter $chapter, array $input): Chapter { $this->baseRepo->update($chapter, $input); return $chapter; } /** * Update the permissions of a chapter. */ public function updatePermissions(Chapter $chapter, bool $restricted, Collection $permissions = null) { $this->baseRepo->updatePermissions($chapter, $restricted, $permissions); } /** * Remove a chapter from the system. * @throws Exception */ public function destroy(Chapter $chapter) { $trashCan = new TrashCan(); $trashCan->softDestroyChapter($chapter); } /** * Move the given chapter into a new parent book. * The $parentIdentifier must be a string of the following format: * 'book:' (book:5) * @throws MoveOperationException */ public function move(Chapter $chapter, string $parentIdentifier): Book { $stringExploded = explode(':', $parentIdentifier); $entityType = $stringExploded[0]; $entityId = intval($stringExploded[1]); if ($entityType !== 'book') { throw new MoveOperationException('Chapters can only be moved into books'); } $parent = Book::visible()->where('id', '=', $entityId)->first(); if ($parent === null) { throw new MoveOperationException('Book to move chapter into not found'); } $chapter->changeBook($parent->id); $chapter->rebuildPermissions(); return $parent; } }