From 35147fecb29a0602a6d39c61181a16c78e9afe94 Mon Sep 17 00:00:00 2001
From: Alejandro Celaya <alejandro@alejandrocelaya.com>
Date: Sun, 3 Jul 2016 09:14:27 +0200
Subject: [PATCH] Replaced cli execution using expressive middleware by
 symfony/console

---
 bin/cli                                      | 17 ++--
 composer.json                                |  3 +-
 config/autoload/services.global.php          |  4 +
 src/CliCommands/GenerateShortcodeCommand.php | 95 ++++++++++++++++++++
 4 files changed, 108 insertions(+), 11 deletions(-)
 create mode 100644 src/CliCommands/GenerateShortcodeCommand.php

diff --git a/bin/cli b/bin/cli
index 0aca7dd0..1816b80f 100755
--- a/bin/cli
+++ b/bin/cli
@@ -1,17 +1,14 @@
 #!/usr/bin/env php
 <?php
+use Acelaya\UrlShortener\CliCommands\GenerateShortcodeCommand;
 use Interop\Container\ContainerInterface;
-use Zend\Diactoros\ServerRequestFactory;
-use Zend\Diactoros\Uri;
-use Zend\Expressive\Application;
+use Symfony\Component\Console\Application as CliApp;
 
 /** @var ContainerInterface $container */
 $container = include __DIR__ . '/../config/container.php';
-/** @var Application $app */
-$app = $container->get(Application::class);
 
-$command = count($_SERVER['argv']) > 1 ? $_SERVER['argv'][1] : '';
-$request = ServerRequestFactory::fromGlobals()
-                                ->withMethod('CLI')
-                                ->withUri(new Uri(sprintf('/%s', $command)));
-$app->run($request);
+$app = new CliApp();
+$app->addCommands([
+    $container->get(GenerateShortcodeCommand::class),
+]);
+$app->run();
diff --git a/composer.json b/composer.json
index d43d7fbb..922e9067 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,8 @@
         "zendframework/zend-servicemanager": "^3.0",
         "doctrine/orm": "^2.5",
         "guzzlehttp/guzzle": "^6.2",
-        "acelaya/zsm-annotated-services": "^0.2.0"
+        "acelaya/zsm-annotated-services": "^0.2.0",
+        "symfony/console": "^3.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^4.8",
diff --git a/config/autoload/services.global.php b/config/autoload/services.global.php
index 300f1bf3..6027973d 100644
--- a/config/autoload/services.global.php
+++ b/config/autoload/services.global.php
@@ -1,4 +1,5 @@
 <?php
+use Acelaya\UrlShortener\CliCommands;
 use Acelaya\UrlShortener\Factory\CacheFactory;
 use Acelaya\UrlShortener\Factory\EntityManagerFactory;
 use Acelaya\UrlShortener\Middleware;
@@ -38,6 +39,9 @@ return [
             Service\VisitsTracker::class => AnnotatedFactory::class,
             Cache::class => CacheFactory::class,
 
+            // Cli commands
+            CliCommands\GenerateShortcodeCommand::class => AnnotatedFactory::class,
+
             // Middleware
             Middleware\CliRoutable\GenerateShortcodeMiddleware::class => AnnotatedFactory::class,
             Middleware\Routable\RedirectMiddleware::class => AnnotatedFactory::class,
diff --git a/src/CliCommands/GenerateShortcodeCommand.php b/src/CliCommands/GenerateShortcodeCommand.php
new file mode 100644
index 00000000..9f545dce
--- /dev/null
+++ b/src/CliCommands/GenerateShortcodeCommand.php
@@ -0,0 +1,95 @@
+<?php
+namespace Acelaya\UrlShortener\CliCommands;
+
+use Acelaya\UrlShortener\Exception\InvalidUrlException;
+use Acelaya\UrlShortener\Service\UrlShortener;
+use Acelaya\UrlShortener\Service\UrlShortenerInterface;
+use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Helper\QuestionHelper;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\ChoiceQuestion;
+use Symfony\Component\Console\Question\Question;
+use Zend\Diactoros\Uri;
+
+class GenerateShortcodeCommand extends Command
+{
+    /**
+     * @var UrlShortenerInterface
+     */
+    private $urlShortener;
+    /**
+     * @var array
+     */
+    private $domainConfig;
+
+    /**
+     * GenerateShortcodeCommand constructor.
+     * @param UrlShortenerInterface|UrlShortener $urlShortener
+     * @param array $domainConfig
+     *
+     * @Inject({UrlShortener::class, "config.url_shortener.domain"})
+     */
+    public function __construct(UrlShortenerInterface $urlShortener, array $domainConfig)
+    {
+        parent::__construct(null);
+        $this->urlShortener = $urlShortener;
+        $this->domainConfig = $domainConfig;
+    }
+
+    public function configure()
+    {
+        $this->setName('generate-shortcode')
+             ->setDescription('Generates a shortcode for provided URL and returns the short URL')
+             ->addArgument('longUrl', InputArgument::REQUIRED, 'The long URL to parse');
+    }
+
+    public function interact(InputInterface $input, OutputInterface $output)
+    {
+        $longUrl = $input->getArgument('longUrl');
+        if (! empty($longUrl)) {
+            return;
+        }
+
+        /** @var QuestionHelper $helper */
+        $helper = $this->getHelper('question');
+        $question = new Question(
+            '<question>A long URL was not provided. Which URL do you want to shorten?:</question> '
+        );
+
+        $longUrl = $helper->ask($input, $output, $question);
+        if (! empty($longUrl)) {
+            $input->setArgument('longUrl', $longUrl);
+        }
+    }
+
+    public function execute(InputInterface $input, OutputInterface $output)
+    {
+        $longUrl = $input->getArgument('longUrl');
+
+        try {
+            if (! isset($longUrl)) {
+                $output->writeln('<error>A URL was not provided!</error>');
+                return;
+            }
+
+            $shortcode = $this->urlShortener->urlToShortCode(new Uri($longUrl));
+            $shortUrl = (new Uri())->withPath($shortcode)
+                ->withScheme($this->domainConfig['schema'])
+                ->withHost($this->domainConfig['hostname']);
+
+            $output->writeln([
+                sprintf('Processed URL <info>%s</info>', $longUrl),
+                sprintf('Generated URL <info>%s</info>', $shortUrl),
+            ]);
+        } catch (InvalidUrlException $e) {
+            $output->writeln(
+                sprintf('<error>Provided URL "%s" is invalid. Try with a different one.</error>', $longUrl)
+            );
+        } catch (\Exception $e) {
+            $output->writeln('<error>' . $e . '</error>');
+        }
+    }
+}