BookStack/app/Entities/Models/Chapter.php

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<?php
namespace BookStack\Entities\Models;
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use Illuminate\Support\Collection;
/**
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* Class Chapter.
*
* @property Collection<Page> $pages
* @property mixed description
*/
class Chapter extends BookChild
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{
public $searchFactor = 1.3;
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protected $fillable = ['name', 'description', 'priority', 'book_id'];
protected $hidden = ['restricted', 'pivot', 'deleted_at'];
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/**
* Get the pages that this chapter contains.
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*
* @param string $dir
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*
* @return mixed
*/
public function pages($dir = 'ASC')
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{
return $this->hasMany(Page::class)->orderBy('priority', $dir);
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}
/**
* Get the url of this chapter.
*/
public function getUrl($path = ''): string
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{
$parts = [
'books',
urlencode($this->book_slug ?? $this->book->slug),
'chapter',
urlencode($this->slug),
trim($path, '/'),
];
return url('/' . implode('/', $parts));
}
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/**
* Get the visible pages in this chapter.
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*/
public function getVisiblePages(): Collection
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{
return $this->pages()->visible()
->orderBy('draft', 'desc')
->orderBy('priority', 'asc')
->get();
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}
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}