81 lines
2.2 KiB
PHP
81 lines
2.2 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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* @method Builder whereSlugs(string $bookSlug, string $childSlug)
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*/
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abstract class BookChild extends Entity
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{
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protected static function boot()
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{
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parent::boot();
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// Load book slugs onto these models by default during query-time
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static::addGlobalScope('book_slug', function (Builder $builder) {
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$builder->addSelect(['book_slug' => function ($builder) {
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$builder->select('slug')
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->from('books')
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->whereColumn('books.id', '=', 'book_id');
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}]);
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});
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}
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/**
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* Scope a query to find items where the child has the given childSlug
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* where its parent has the bookSlug.
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*/
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public function scopeWhereSlugs(Builder $query, string $bookSlug, string $childSlug)
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{
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return $query->with('book')
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->whereHas('book', function (Builder $query) use ($bookSlug) {
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$query->where('slug', '=', $bookSlug);
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})
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->where('slug', '=', $childSlug);
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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 !== $this->getUrl()) {
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app()->make(ReferenceUpdater::class)->updateEntityPageReferences($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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