diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b3cc0d8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+composer.phar
+composer.lock
+vendor/
+
diff --git a/Command/PhraseAppUpdateCommand.php b/Command/PhraseAppUpdateCommand.php
new file mode 100644
index 0000000..28efdc5
--- /dev/null
+++ b/Command/PhraseAppUpdateCommand.php
@@ -0,0 +1,99 @@
+<?php
+/**
+ * @author  nediam
+ * @date    12.09.2015 12:30
+ */
+
+namespace nediam\PhraseAppBundle\Command;
+
+
+use nediam\PhraseAppBundle\Service\PhraseApp;
+use RuntimeException;
+use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
+use Symfony\Bundle\FrameworkBundle\Translation\TranslationLoader;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Translation\Catalogue\DiffOperation;
+use Symfony\Component\Translation\MessageCatalogue;
+use Symfony\Component\Translation\Writer\TranslationWriter;
+
+class PhraseAppUpdateCommand extends ContainerAwareCommand
+{
+    private $availableLocales;
+    /** @var TranslationLoader */
+    private $loader;
+    /** @var TranslationWriter */
+    private $writer;
+    /** @var PhraseApp */
+    private $phraseApp;
+    /** @var string */
+    private $translationsPath;
+    /** @var string */
+    private $tmpPath;
+    /** @var array */
+    private $validators = [];
+    /** @var array */
+    private $locales = [];
+
+    protected function configure()
+    {
+        $this->setName('phraseapp:update')->addOption('locale', null, InputOption::VALUE_REQUIRED);
+
+        $this->addOptionValidator('locale', function ($value) {
+            if (null === $value) {
+                return;
+            }
+            $this->locales = array_map('trim', explode(',', $value));
+        });
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function initialize(InputInterface $input, OutputInterface $output)
+    {
+        foreach ($input->getOptions() as $key => $option) {
+            if (array_key_exists($key, $this->validators)) {
+                call_user_func_array($this->validators[$key], [
+                    $input->getOption($key),
+                    $input,
+                    $output
+                ]);
+            }
+        }
+    }
+
+    /**
+     * @param string   $name
+     * @param callback $validator
+     *
+     * @throws \Exception
+     */
+    protected function addOptionValidator($name, $validator)
+    {
+        if (!is_callable($validator)) {
+            throw new \Exception('Validator is not callable');
+        }
+
+        $this->validators[$name] = $validator;
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $container              = $this->getContainer();
+        $this->phraseApp        = $container->get('phrase_app.service');
+        $this->availableLocales = $this->phraseApp->getLocales();
+
+        $unsupportedLocales = array_diff($this->locales, array_keys($this->availableLocales));
+        if (count($unsupportedLocales)) {
+            throw new RuntimeException(sprintf('Unsupported locales "%s"', implode(', ', $unsupportedLocales)));
+        }
+        if (0 === count($this->locales)) {
+            $this->locales = array_keys($this->availableLocales);
+        }
+
+        // fetch and save translations
+        $this->phraseApp->process($this->locales);
+    }
+}
\ No newline at end of file
diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
new file mode 100644
index 0000000..58d462e
--- /dev/null
+++ b/DependencyInjection/Configuration.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace nediam\PhraseAppBundle\DependencyInjection;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+
+/**
+ * This is the class that validates and merges configuration from your app/config files
+ *
+ * To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/extension.html#cookbook-bundles-extension-config-class}
+ */
+class Configuration implements ConfigurationInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getConfigTreeBuilder()
+    {
+        $treeBuilder = new TreeBuilder();
+        $rootNode = $treeBuilder->root('phrase_app');
+
+        $rootNode
+            ->children()
+            ->scalarNode('token')->isRequired()->end()
+            ->scalarNode('project_id')->isRequired()->end()
+            ->scalarNode('output_format')
+                ->defaultValue('yml')
+            ->end()
+            ->scalarNode('translations_path')->isRequired()->end()
+            ->arrayNode('translations')
+                ->prototype('scalar')->end()
+            ->end()
+            ->arrayNode('locales')
+                ->prototype('scalar')->end()
+            ->end()
+        ;
+
+        // Here you should define the parameters that are allowed to
+        // configure your bundle. See the documentation linked above for
+        // more information on that topic.
+
+        return $treeBuilder;
+    }
+}
diff --git a/DependencyInjection/PhraseAppExtension.php b/DependencyInjection/PhraseAppExtension.php
new file mode 100644
index 0000000..3021701
--- /dev/null
+++ b/DependencyInjection/PhraseAppExtension.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace nediam\PhraseAppBundle\DependencyInjection;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\Config\FileLocator;
+use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+use Symfony\Component\DependencyInjection\Loader;
+
+/**
+ * This is the class that loads and manages your bundle configuration
+ *
+ * To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/extension.html}
+ */
+class PhraseAppExtension extends Extension
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function load(array $configs, ContainerBuilder $container)
+    {
+        $configuration = new Configuration();
+        $config = $this->processConfiguration($configuration, $configs);
+
+        $container->setParameter('phrase_app.token', $config['token']);
+        $container->setParameter('phrase_app.config', $config);
+
+        $loader = new Loader\XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+        $loader->load('phraseapp-services.xml');
+    }
+}
diff --git a/PhraseAppBundle.php b/PhraseAppBundle.php
new file mode 100644
index 0000000..93dd502
--- /dev/null
+++ b/PhraseAppBundle.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace nediam\PhraseAppBundle;
+
+use Symfony\Component\HttpKernel\Bundle\Bundle;
+
+class PhraseAppBundle extends Bundle
+{
+}
diff --git a/Resources/config/phraseapp-services.xml b/Resources/config/phraseapp-services.xml
new file mode 100644
index 0000000..7aa676c
--- /dev/null
+++ b/Resources/config/phraseapp-services.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" ?>
+
+<container xmlns="http://symfony.com/schema/dic/services"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
+
+    <services>
+        <service id="phrase_app.client" class="nediam\PhraseApp\PhraseAppClient" public="false">
+            <argument>%phrase_app.token%</argument>
+        </service>
+
+        <service id="phrase_app.service" class="nediam\PhraseAppBundle\Service\PhraseApp">
+            <argument id="phrase_app.client" type="service"/>
+            <argument id="translation.loader" type="service"/>
+            <argument id="translation.writer" type="service"/>
+            <argument>%phrase_app.config%</argument>
+        </service>
+    </services>
+
+</container>
diff --git a/Service/PhraseApp.php b/Service/PhraseApp.php
new file mode 100644
index 0000000..a98b18f
--- /dev/null
+++ b/Service/PhraseApp.php
@@ -0,0 +1,200 @@
+<?php
+/**
+ * @author  nediam
+ * @date    06.09.2015 22:47
+ */
+
+namespace nediam\PhraseAppBundle\Service;
+
+
+use nediam\PhraseApp\PhraseAppClient;
+use RuntimeException;
+use Symfony\Bundle\FrameworkBundle\Translation\TranslationLoader;
+use Symfony\Component\Translation\Catalogue\DiffOperation;
+use Symfony\Component\Translation\MessageCatalogue;
+use Symfony\Component\Translation\Writer\TranslationWriter;
+
+class PhraseApp
+{
+    /**
+     * @var PhraseAppClient
+     */
+    private $client;
+    /**
+     * @var TranslationLoader
+     */
+    private $translationLoader;
+    /**
+     * @var TranslationWriter
+     */
+    private $translationWriter;
+    /**
+     * @var string
+     */
+    private $projectId;
+    /**
+     * @var array
+     */
+    private $locales;
+    /**
+     * @var string
+     */
+    private $tmpPath;
+    /**
+     * @var string
+     */
+    private $translationsPath;
+    /**
+     * @var string
+     */
+    private $outputFormat;
+    /**
+     * @var array
+     */
+    private $downloadedLocales = [];
+
+    /**
+     * PhraseApp constructor.
+     *
+     * @param PhraseAppClient   $client
+     * @param TranslationLoader $translationLoader
+     * @param TranslationWriter $translationWriter
+     * @param array             $config
+     */
+    public function __construct(PhraseAppClient $client, TranslationLoader $translationLoader, TranslationWriter $translationWriter, array $config)
+    {
+        $this->client            = $client;
+        $this->translationLoader = $translationLoader;
+        $this->translationWriter = $translationWriter;
+        $this->projectId         = $config['project_id'];
+        $this->locales           = $config['locales'];
+        $this->outputFormat      = $config['output_format'];
+        $this->translationsPath  = $config['translations_path'];
+    }
+
+    /**
+     * Set output format
+     *
+     * @param string $outputFormat
+     *
+     * @return PhraseApp
+     */
+    public function setOutputFormat($outputFormat)
+    {
+        $this->outputFormat = $outputFormat;
+
+        return $this;
+    }
+
+    /**
+     * Get Locales
+     * @return array
+     */
+    public function getLocales()
+    {
+        return $this->locales;
+    }
+
+    /**
+     * @param $locale
+     * @param $format
+     *
+     * @return array|string
+     */
+    protected function makeDownloadRequest($locale, $format)
+    {
+        $response = $this->client->request('locale.download', [
+            'project_id'  => $this->projectId,
+            'id'          => $locale,
+            'file_format' => $format,
+        ]);
+
+        return $response['text']->getContents();
+    }
+
+    /**
+     * @param string $targetLocale
+     *
+     * @return string
+     */
+    protected function downloadLocale($targetLocale)
+    {
+        $sourceLocale = $this->locales[$targetLocale];
+        $tmpFile      = $this->getTmpPath() . '/' . 'messages.' . $targetLocale . '.yml';
+
+        if (true === array_key_exists($sourceLocale, $this->downloadedLocales)) {
+            // Make copy because operated catalogues must belong to the same locale
+            copy($this->downloadedLocales[$sourceLocale], $tmpFile);
+
+            return $this->downloadedLocales[$sourceLocale];
+        }
+
+        $phraseAppMessage = $this->makeDownloadRequest($sourceLocale, 'yml_symfony2');
+        file_put_contents($tmpFile, $phraseAppMessage);
+        $this->downloadedLocales[$sourceLocale] = $tmpFile;
+
+        return $this->downloadedLocales[$sourceLocale];
+    }
+
+    /**
+     * @param string $targetLocale
+     */
+    protected function dumpMessages($targetLocale)
+    {
+        // load downloaded messages
+        $extractedCatalogue = new MessageCatalogue($targetLocale);
+        $this->translationLoader->loadMessages($this->getTmpPath(), $extractedCatalogue);
+
+        // load any existing messages from the translation files
+        $currentCatalogue = new MessageCatalogue($targetLocale);
+        $this->translationLoader->loadMessages($this->translationsPath, $currentCatalogue);
+
+        $operation = new DiffOperation($currentCatalogue, $extractedCatalogue);
+
+        // Exit if no messages found.
+        if (0 === count($operation->getDomains())) {
+            return;
+        }
+
+        $this->translationWriter->writeTranslations($operation->getResult(), $this->outputFormat, ['path' => $this->translationsPath]);
+    }
+
+    /**
+     * @param array $locales
+     */
+    public function process(array $locales)
+    {
+        foreach ($locales as $locale)
+        {
+            $this->downloadLocale($locale);
+            $this->dumpMessages($locale);
+        }
+        //TODO: clean downloaded files
+    }
+
+    /**
+     * Get TmpPath
+     * @return string
+     */
+    protected function getTmpPath()
+    {
+        if (null === $this->tmpPath) {
+            $this->tmpPath = $this->generateTmpPath();
+        }
+
+        return $this->tmpPath;
+    }
+
+    /**
+     * @return string
+     */
+    protected function generateTmpPath()
+    {
+        $tmpPath = sys_get_temp_dir() . '/' . uniqid('translation', false);
+        if (!is_dir($tmpPath) && false === @mkdir($tmpPath, 0777, true)) {
+            throw new RuntimeException(sprintf('Could not create temporary directory "%s".', $tmpPath));
+        }
+
+        return $tmpPath;
+    }
+}
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..d85ce76
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,18 @@
+{
+    "name": "nediam/phraseapp-bundle",
+    "minimum-stability": "dev",
+    "authors": [
+        {
+            "name": "Bartłomiej Kuleszewicz",
+            "email": "nediam@staramilosna.info"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "nediam\\PhraseAppBundle\\": ""
+        }
+    },
+    "require": {
+        "nediam/phraseapp-lib": "dev-master"
+    }
+}
\ No newline at end of file