Cakephp console which converts secondary language to primary for 18n table

ConvertDefaultTranslationsCommand.php

<?php
namespace App\Command;

use App\Application;
use App\Model\Entity\I18n;
use App\Model\Table\I18nTable;
use Cake\Console\Arguments;
use Cake\Console\Command;
use Cake\Console\ConsoleIo;
use Cake\Core\Configure;
use Cake\Database\Connection;
use Cake\Datasource\ConnectionManager;
use Cake\ORM\Table;

/**
 * Když jsem zapomněl že čeština nemusí být hlavní a na slovensku byla jako hlavn jazyk
 *
 * Všechny řádky z 18n co byly sk hodit do svých tabulek jako primární a z těch tabulek si vzít originál
 * pak jen hodit řádek jako cs
 *
 * @property I18nTable $I18n
 */
class ConvertDefaultTranslationsCommand extends Command
{
    /**
     * @var Connection
     */
    private $db;

    public function initialize()
	{
		parent::initialize();
        $this->loadModel('I18n');
        $this->db = ConnectionManager::get('default');
	}

    public function execute(Arguments $args, ConsoleIo $io)
    {
        $defaultLocale = Configure::read('App.defaultLocale');

        $fromLang = $io->askChoice(
            'From what language you want to convert',
            array_keys(Application::ADDITIONAL_LOCALES)
        );

        $selection = $io->askChoice(
            "So you want to convert translations from `$fromLang` to `$defaultLocale`, did you back up?",
            ['y', 'n'],
            'n'
        );

        if ($selection !== 'y') {
            $io->warning('Never mind then');
            $this->abort();
        }

        $this->convert($fromLang, $defaultLocale, $io);
        $this->removeEmpty();
        $io->success('Correctly converted! (?)');
    }

    /**
     * @param string $from
     * @param string $to
     * @param ConsoleIo $io
     * @throws \Exception
     */
    private function convert(string $from, string $to, ConsoleIo $io)
    {
        $toConvert = $this->I18n
            ->find()
            ->where([
                'locale' => $from,
                'content NOT LIKE' => ''
            ]);

        /** @var I18n $entity */
        foreach ($toConvert as $entity) {
            $this->loadModel($entity->model);

            /** @var Table $Table */
            $Table = $this->{$entity->model};

            $untranslatedEntity = $Table->get($entity->foreign_key);

            $originalContent = $untranslatedEntity->{$entity->field};
            $untranslatedEntity->{$entity->field} = $entity->content;

            $io->info("Updating `$originalContent` from `$entity->model` to `$entity->content`");

            $entity->content = $originalContent;
            $entity->locale = $to;

            $this->db->transactional(function () use ($entity, $Table, $untranslatedEntity) {
                $this->I18n->save($entity);
                $Table->save($untranslatedEntity);
            });

            $io->success('Converted!' . $io->nl());
        }
    }

    private function removeEmpty(): int
    {
        return $this->I18n
            ->deleteAll([
                'content LIKE' => ''
            ]);
    }
}