<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\MorphTo;
use Illuminate\Database\Eloquent\Relations\MorphMany;

class Articles extends Model
{
    protected $guarded = [];
    
    protected function casts(): array
    {
        return [
            'aOpt' => 'array',
            'aSchemaPro' => 'array',
        ];
    }// 这样设置了为什么查出来的aOpt却是字符串格式
    
    protected static function booted(): void
    {
        static::deleting(function ($oArticle) {
            $oArticle->oImages()->get()->each(function ($oImage) {
                $oImage->delete();
            });
        });
    }

    public function oSubject(): MorphTo
    {
        return $this->morphTo('oSubject');
    }

    public function oImages(): MorphMany
    {
        return $this->morphMany(UploadImages::class, 'oImageable');
    }
    
}