129 lines
3.5 KiB
PHP
129 lines
3.5 KiB
PHP
<?php
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namespace BookStack\Entities\Repos;
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use BookStack\Activity\ActivityType;
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use BookStack\Entities\Models\Book;
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use BookStack\Entities\Models\Chapter;
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use BookStack\Entities\Models\Entity;
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use BookStack\Entities\Tools\BookContents;
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use BookStack\Entities\Tools\TrashCan;
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use BookStack\Exceptions\MoveOperationException;
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use BookStack\Exceptions\NotFoundException;
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use BookStack\Exceptions\PermissionsException;
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use BookStack\Facades\Activity;
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use Exception;
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class ChapterRepo
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{
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protected $baseRepo;
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/**
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* ChapterRepo constructor.
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*/
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public function __construct(BaseRepo $baseRepo)
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{
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$this->baseRepo = $baseRepo;
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}
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/**
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* Get a chapter via the slug.
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*
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* @throws NotFoundException
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*/
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public function getBySlug(string $bookSlug, string $chapterSlug): Chapter
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{
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$chapter = Chapter::visible()->whereSlugs($bookSlug, $chapterSlug)->first();
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if ($chapter === null) {
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throw new NotFoundException(trans('errors.chapter_not_found'));
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}
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return $chapter;
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}
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/**
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* Create a new chapter in the system.
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*/
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public function create(array $input, Book $parentBook): Chapter
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{
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$chapter = new Chapter();
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$chapter->book_id = $parentBook->id;
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$chapter->priority = (new BookContents($parentBook))->getLastPriority() + 1;
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$this->baseRepo->create($chapter, $input);
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Activity::add(ActivityType::CHAPTER_CREATE, $chapter);
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return $chapter;
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}
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/**
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* Update the given chapter.
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*/
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public function update(Chapter $chapter, array $input): Chapter
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{
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$this->baseRepo->update($chapter, $input);
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Activity::add(ActivityType::CHAPTER_UPDATE, $chapter);
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return $chapter;
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}
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/**
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* Remove a chapter from the system.
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*
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* @throws Exception
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*/
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public function destroy(Chapter $chapter)
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{
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$trashCan = new TrashCan();
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$trashCan->softDestroyChapter($chapter);
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Activity::add(ActivityType::CHAPTER_DELETE, $chapter);
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$trashCan->autoClearOld();
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}
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/**
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* Move the given chapter into a new parent book.
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* The $parentIdentifier must be a string of the following format:
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* 'book:<id>' (book:5).
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*
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* @throws MoveOperationException
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* @throws PermissionsException
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*/
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public function move(Chapter $chapter, string $parentIdentifier): Book
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{
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$parent = $this->findParentByIdentifier($parentIdentifier);
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if (is_null($parent)) {
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throw new MoveOperationException('Book to move chapter into not found');
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}
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if (!userCan('chapter-create', $parent)) {
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throw new PermissionsException('User does not have permission to create a chapter within the chosen book');
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}
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$chapter->changeBook($parent->id);
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$chapter->rebuildPermissions();
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Activity::add(ActivityType::CHAPTER_MOVE, $chapter);
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return $parent;
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}
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/**
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* Find a page parent entity via an identifier string in the format:
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* {type}:{id}
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* Example: (book:5).
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*
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* @throws MoveOperationException
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*/
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public function findParentByIdentifier(string $identifier): ?Book
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{
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$stringExploded = explode(':', $identifier);
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$entityType = $stringExploded[0];
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$entityId = intval($stringExploded[1]);
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if ($entityType !== 'book') {
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throw new MoveOperationException('Chapters can only be in books');
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}
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return Book::visible()->where('id', '=', $entityId)->first();
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}
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}
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