<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\MorphTo;
use Illuminate\Database\Eloquent\Casts\Attribute; // 必须加！
use Illuminate\Support\Facades\Storage;        // 必须加！
//use Illuminate\Support\Facades\Log;

class UploadImages extends Model
{
    protected $guarded = [];
    
    protected function casts(): array
    {
        return [
            'aArticleCode' => 'array',
        ];
    }
    
    protected static function booted(): void
    {
        static::deleting(function (UploadImages $oImage) {
            if ($oImage->sFileName && Storage::disk('upload_images')->exists($oImage->sFileName)) {
                Storage::disk('upload_images')->delete($oImage->sFileName);
            }
        });
    }

    public function oImageable(): MorphTo
    {
        return $this->morphTo('oImageable');
    }
    
    protected function sPath(): Attribute
    {
        return Attribute::make(
            get: fn (string $value) => Storage::disk('upload_images')->url($value),
        );
    }

}