SavesImages.php

<?php

namespace App;

use App\Observers\UploadedImagesObserver;
use Illuminate\Http\UploadedFile;

trait SavesImages
{
    private $uploadedImage;

    protected static function bootSavesImages()
    {
        self::observe(UploadedImagesObserver::class);
    }

    public function getUploadedImage()
    {
        return $this->uploadedImage;
    }

    public function setImageAttribute($image)
    {
    
        if(!is_array($image)){
            $this->uploadedImage = $image instanceof UploadedFile ? $image : null;
        }
        else{
            $this->uploadedImage = [];
            foreach ($image as $i => $img) {
                if($img instanceof UploadedFile)
                    array_push($this->uploadedImage, $img); 
            }
        }

    }

    public function image()
    {
        return $this->morphOne(Image::class, 'imageable');
    }

    public function images()
    {
        return $this->morphMany(Image::class, 'imageable');
    }

    public function getImageUrlAttribute()
    {
        return optional($this->image)->url;
    }
}