52 lines
1.2 KiB
PHP
52 lines
1.2 KiB
PHP
<?php
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namespace BookStack\Entities\Models;
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use BookStack\References\ReferenceUpdater;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Database\Eloquent\Relations\BelongsTo;
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/**
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* Class BookChild.
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*
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* @property int $book_id
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* @property int $priority
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* @property string $book_slug
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* @property Book $book
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*/
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abstract class BookChild extends Entity
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{
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/**
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* Get the book this page sits in.
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*/
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public function book(): BelongsTo
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{
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return $this->belongsTo(Book::class)->withTrashed();
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}
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/**
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* Change the book that this entity belongs to.
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*/
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public function changeBook(int $newBookId): Entity
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{
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$oldUrl = $this->getUrl();
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$this->book_id = $newBookId;
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$this->refreshSlug();
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$this->save();
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$this->refresh();
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if ($oldUrl !== $this->getUrl()) {
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app()->make(ReferenceUpdater::class)->updateEntityReferences($this, $oldUrl);
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}
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// Update all child pages if a chapter
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if ($this instanceof Chapter) {
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foreach ($this->pages()->withTrashed()->get() as $page) {
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$page->changeBook($newBookId);
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}
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}
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return $this;
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}
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}
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