File: /home/marketing.cfbon.ru/public_html/app/Observers/ProductObserver.php
<?php
namespace App\Observers;
use App\Models\Product;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;
class ProductObserver
{
    protected Request $request;
    public function __construct(Request $request)
    {
        $this->request = $request;
    }
    /**
     * Handle the Product "created" event.
     */
    public function created(Product $product): void
    {
        $this->saveImage($product);
    }
    /**
     * Handle the Product "updated" event.
     */
    public function updated(Product $product): void
    {
        if ($this->request->hasFile('img')) {
            $this->deleteOldImage($product);
            $this->saveImage($product);
        }
    }
    /**
     * Handle the Product "deleted" event.
     */
    public function deleted(Product $product): void
    {
        $this->deleteOldImage($product);
    }
    private function saveImage(Product $product): void
    {
        if (! request()->hasFile('img')) {
            return;
        }
        $file = request()->file('img');
        $path = $file->store('products', 'public');
        $product->forceFill(['img' => $path])->saveQuietly();
    }
    private function deleteOldImage(Product $product): void
    {
        if ($oldPath = $product->getOriginal('img')) {
            Storage::disk('public')->delete($oldPath);
        }
    }
}