BookStack/app/Entities/Repos/ChapterRepo.php

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<?php namespace BookStack\Entities\Repos;
use BookStack\Entities\Book;
use BookStack\Entities\Chapter;
use BookStack\Entities\Managers\BookContents;
use BookStack\Entities\Managers\TrashCan;
use BookStack\Exceptions\MoveOperationException;
use BookStack\Exceptions\NotFoundException;
use BookStack\Exceptions\NotifyException;
use Exception;
use Illuminate\Contracts\Container\BindingResolutionException;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Collection;
class ChapterRepo
{
protected $baseRepo;
/**
* ChapterRepo constructor.
* @param $baseRepo
*/
public function __construct(BaseRepo $baseRepo)
{
$this->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();
$trashCan->destroyChapter($chapter);
}
/**
* Move the given chapter into a new parent book.
* The $parentIdentifier must be a string of the following format:
* 'book:<id>' (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;
}
}