Enable Redis async import

- using javibravo/simpleue
- internal config value are now `import_with_redis` & `import_with_rabbit` which are more clear
- if both option are enable rabbit will be choosen
- services imports related to async are now splitted into 2 files: `redis.yml` & `rabbit.yml`
-

src/Wallabag/ImportBundle/Command/RedisWorkerCommand.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Wallabag\ImportBundle\Command;
+
+use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
+use Symfony\Component\Config\Definition\Exception\Exception;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Simpleue\Worker\QueueWorker;
+
+class RedisWorkerCommand extends ContainerAwareCommand
+{
+    protected function configure()
+    {
+        $this
+            ->setName('wallabag:import:redis-worker')
+            ->setDescription('Launch Redis worker')
+            ->addArgument('serviceName', InputArgument::REQUIRED, 'Service to use: wallabag_v1, wallabag_v2, pocket or readability')
+        ;
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $output->writeln('Worker started at: '.(new \DateTime())->format('d-m-Y G:i:s'));
+        $output->writeln('Waiting for message ...');
+
+        $serviceName = $input->getArgument('serviceName');
+
+        if (!$this->getContainer()->has('wallabag_import.queue.redis.'.$serviceName) || !$this->getContainer()->has('wallabag_import.consumer.redis.'.$serviceName)) {
+            throw new Exception(sprintf('No queue or consumer found for service name: "%s"', $input->getArgument('serviceName')));
+        }
+
+        $worker = new QueueWorker(
+            $this->getContainer()->get('wallabag_import.queue.redis.'.$serviceName),
+            $this->getContainer()->get('wallabag_import.consumer.redis.'.$serviceName)
+        );
+
+        $worker->start();
+    }
+}