Laravel\app\Models\Photo.php

<?php

namespace App\Models;

use Illuminate\Http\Exception\HttpResponseException;
use Illuminate\Http\UploadedFile;
use Intervention\Image\Constraint;
use Intervention\Image\Exception\NotWritableException;

class Photo extends \Eloquent
{
    const THUMB_SIZE = 300;

    protected $fillable = ['client_name', 'name'];
    protected $hidden = ['id', 'created_at', 'updated_at'];
    protected $appends = ['src'];

    /**
     * Обработка загруженного изображения
     *
     * @param UploadedFile $file
     * @param bool $save
     * @return static
     */
    public static function fromUploadedFile(UploadedFile $file, bool $save = true)
    {
        /** @var Photo $photo */
        $photo = self::firstOrNew([
            'client_name' => $file->getClientOriginalName(),
            'name' => $file->hashName(),
        ]);

        if (!($path = $file->storeAs('photos', $photo->name, 'public'))) {
            throw new HttpResponseException(
                response()->error('Ошибка загрузки изображения #1')
            );
        }

        $thumb = \Image::make($path);

        $thumb->resize(null, self::THUMB_SIZE, function (Constraint $constraint) {
            $constraint->aspectRatio();
            $constraint->upsize();
        });

        try {
            $thumb->save(
                storage_path(sprintf('app/public/photos/thumbs/%s', $photo->name))
            );
        } catch (NotWritableException $e) {
            throw new HttpResponseException(
                response()->error('Ошибка загрузки изображения #2')
            );
        }

        if ($save) $photo->save();

        return $photo;
    }

    /**
     * Ссылка на изображение
     *
     * @return string
     */
    public function getSrcAttribute()
    {
        return asset(sprintf('storage/photos/%s', $this->name));
    }

}