62 lines
1.4 KiB
PHP
62 lines
1.4 KiB
PHP
<?php
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namespace App\Models;
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use Illuminate\Database\Eloquent\Model;
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class GuidePage extends Model
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{
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protected $fillable = [
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'guide_id',
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'title',
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'html_url',
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'options',
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];
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protected $casts = [
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'options' => 'array',
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];
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protected static function booted(): void
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{
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static::deleting(function (GuidePage $page) {
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// CASCADE on from_page_id is handled by FK, but incoming edges need cleanup
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GuidePageEdge::where('to_page_id', $page->id)->delete();
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});
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}
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public function guide()
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{
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return $this->belongsTo(Guide::class);
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}
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public function outgoingEdges()
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{
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return $this->hasMany(GuidePageEdge::class, 'from_page_id')->orderBy('sort');
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}
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public function incomingEdges()
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{
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return $this->hasMany(GuidePageEdge::class, 'to_page_id');
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}
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public function nextPages()
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{
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return $this->belongsToMany(self::class, 'guide_page_edges', 'from_page_id', 'to_page_id')
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->withPivot('label', 'sort')
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->orderByPivot('sort');
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}
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public function previousPages()
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{
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return $this->belongsToMany(self::class, 'guide_page_edges', 'to_page_id', 'from_page_id')
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->withPivot('label', 'sort');
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}
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public function isEntry(): bool
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{
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return !$this->incomingEdges()->exists();
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}
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}
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