translation/laravel

<?php

namespace Tio\Laravel\Service;

use Tio\Laravel\TargetPOGenerator;
use Tio\Laravel\GettextPOGenerator;
use Tio\Laravel\GettextTranslationSaver;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\RequestException;
use Illuminate\Contracts\Foundation\Application;

class Init
{
    private $config;

    /**
     * @var TargetPOGenerator
     */
    private $poGenerator;

    /**
     * @var GettextPOGenerator
     */
    private $gettextPoGenerator;

    /**
     * @var GettextTranslationSaver
     */
    private $gettextTranslationSaver;

    public function __construct(
        Application $application,
        TargetPOGenerator $poGenerator,
        GettextPOGenerator $gettextPoGenerator,
        GettextTranslationSaver $gettextTranslationSaver
    ) {
        $this->poGenerator = $poGenerator;
        $this->gettextPoGenerator = $gettextPoGenerator;
        $this->gettextTranslationSaver = $gettextTranslationSaver;
        $this->config = $application['config']['translation'];
    }

    public function call($command)
    {
        $client = new Client(['base_uri' => $this->url()]);
        $body = $this->createBody();

        $responseData = $this->makeRequest($client, $body, $command);

        // Save new po files created from backend
        foreach ($this->targetLocales() as $locale) {
            $this->gettextTranslationSaver->call(
                $locale,
                $responseData['po_data_' . $locale]
            );
        }

        $this->displayInfoProjectUrl($responseData, $command);
    }

    private function createBody()
    {
        $formData = [
            'client' => 'laravel',
            'version' => '1.23',
            'source_language' => $this->sourceLocale(),
        ];

        // key/values from PHP translation files
        $poData = $this->poGenerator->call($this->sourceLocale(), $this->targetLocales());
        foreach ($this->targetLocales() as $locale) {
            $formData['yaml_po_data_' . $locale] = $poData[$locale];
        }

        // source/translation from Gettext
        $gettextPoData = $this->gettextPoGenerator->call($this->targetLocales());
        $formData['pot_data'] = $gettextPoData['pot_data'];
        foreach ($this->targetLocales() as $locale) {
            $formData['po_data_' . $locale] = $gettextPoData[$locale];
        }

        $body = http_build_query($formData);

        foreach ($this->targetLocales() as $locale) {
            $body = $body . "&target_languages[]=$locale";
        }

        return $body;
    }

    private function makeRequest($client, $body, $command)
    {
        try {
            $response = $client->request(
                'POST', '', [
                'headers' => [
                    'Content-Type' => 'application/x-www-form-urlencoded'
                ],
                'body' => $body
                ]
            );

            return json_decode($response->getBody()->getContents(), true);
        } catch (RequestException $e) {
            if ($e->hasResponse()) {
                $responseData = json_decode($e->getResponse()->getBody()->getContents(), true);
                $this->displayErrorAndExit($responseData['error'], $command);
            }
            else {
                $this->displayErrorAndExit($e->getMessage(), $command);
            }
        }
    }

    private function displayInfoProjectUrl($responseData, $command)
    {
        $command->info("Init ended with success");
        $command->line("----------");
        $command->info("Use this URL to translate: {$responseData['project_url']}");
        $command->line("----------");
    }

    private function displayErrorAndExit($error, $command)
    {
        $command->line("----------");
        $command->error("Error: {$error}");
        $command->line("----------");

        throw new \Exception($error);
    }

    private function sourceLocale()
    {
        return $this->config['source_locale'];
    }

    private function targetLocales()
    {
        return $this->config['target_locales'];
    }

    private function url()
    {
        return 'https://translation.io/api/projects/' . $this->config['key'] . '/init';
    }
}