base

.gitignore

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+/app/bootstrap.php.cache
+/app/cache/*
+!app/cache/.gitkeep
+/app/config/parameters.yml
+/app/logs/*
+!app/logs/.gitkeep
+/app/phpunit.xml
+/bin/
+/composer.phar
+/vendor/
+/web/bundles/

src/.htaccess

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+<IfModule mod_authz_core.c>
+    Require all denied
+</IfModule>
+<IfModule !mod_authz_core.c>
+    Order deny,allow
+    Deny from all
+</IfModule>

src/AppBundle/AppBundle.php

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+<?php
+
+namespace AppBundle;
+
+use Symfony\Component\HttpKernel\Bundle\Bundle;
+use Symfony\Component\Config\Loader\Loader;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+class AppBundle extends Bundle
+{
+}

src/AppBundle/Controller/DefaultController.php

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+<?php
+
+namespace AppBundle\Controller;
+
+use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
+use Symfony\Bundle\FrameworkBundle\Controller\Controller;
+use Symfony\Component\HttpFoundation\Request;
+use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+
+class DefaultController extends Controller
+{
+    /**
+     * @Route("/", name="homepage")
+     * @Template()
+     */
+    public function indexAction(Request $request)
+    {
+        return [];
+    }
+    
+    /**
+     * @Route("/add/{id}", name="add_prestation")
+     */
+    public function addAction(Request $request, $id)
+    {
+        $this->get('cart')
+            ->addPrestation($id)
+            ->update();
+
+        return new RedirectResponse($this->generateUrl('homepage'));
+    }
+
+    /**
+     * @Route("/cart", name="cart")
+     * @Template()
+     */
+    public function cartAction(Request $request)
+    {
+        return ['cart' => $this->get('cart')];
+    }
+}

src/AppBundle/DependencyInjection/AppExtension.php

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+<?php
+
+namespace AppBundle\DependencyInjection;
+
+use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\Config\Loader\Loader;
+use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
+use Symfony\Component\Config\FileLocator;
+
+class AppExtension extends Extension
+{
+    public function load(array $configs, ContainerBuilder $container)
+    {
+        $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+        $loader->load('services.xml');
+    }
+}

src/AppBundle/Model/Cart.php

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+<?php
+
+namespace AppBundle\Model;
+
+use Symfony\Component\HttpFoundation\Session\Session;
+
+/**
+ * Class Cart
+ * @author Simon Vieille <simon@deblan.fr>
+ */
+class Cart
+{
+    protected $prestations = [];
+
+    protected $session;
+
+    public function __construct(Session $session)
+    {
+        $this->session = $session;
+
+        $sessionCart = $this->session->get('cart');
+
+        if ($sessionCart !== null) {
+            $this->setPrestations($sessionCart->getPrestations());
+        }
+    }
+
+    public function addPrestation($id)
+    {
+        if (!in_array($id, $this->prestations)) {
+            $this->prestations[] = $id;
+        }
+
+        return $this;
+    }
+
+    public function getPrestations()
+    {
+        return $this->prestations;
+    }
+
+    public function setPrestations(array $prestations)
+    {
+        $this->prestations = $prestations;
+
+        return $this;
+    }
+
+    public function update()
+    {
+        $this->session->set('cart', $this);
+    }
+}

src/AppBundle/Resources/config/services.xml

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+<?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">
+
+    <parameters>
+        <parameter key="cart.class">AppBundle\Model\Cart</parameter>
+    </parameters>
+
+    <services>
+		<service id="cart" class="%cart.class%">
+            <argument type="service" id="session"></argument>
+        </service>
+    </services>
+</container>
+

src/AppBundle/Resources/views/Default/cart.html.twig

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+<!DOCTYPE HTML>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title></title>
+</head>
+<body>
+	<ul>
+		{% for item in cart.prestations %}
+			<li>
+				Prestation {{ item }}
+			</li>	
+		{% endfor %}
+	</ul>
+
+	<p>
+		<a href="{{ path('homepage') }}">Accueil</a>
+	</p>
+</body>
+</html>

src/AppBundle/Resources/views/Default/index.html.twig

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+<!DOCTYPE HTML>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title></title>
+</head>
+<body>
+    <ul>
+        <li>
+			<a href="{{ path('add_prestation', {id: 1}) }}">Ajouter prestation 1</a>
+		</li>
+		<li>
+			<a href="{{ path('add_prestation', {id: 2}) }}">Ajouter prestation 2</a>
+		</li>
+		<li>
+			<a href="{{ path('add_prestation', {id: 3}) }}">Ajouter prestation 3</a>
+		</li>
+		<li>
+			<a href="{{ path('add_prestation', {id: 4}) }}">Ajouter prestation 4</a>
+		</li>
+		<li>
+			<a href="{{ path('add_prestation', {id: 5}) }}">Ajouter prestation 5</a>
+		</li>
+    </ul>
+
+	<p>
+		<a href="{{ path('cart') }}">Afficher le panier</a>
+	</p>
+</body>
+</html>

src/AppBundle/Tests/Controller/DefaultControllerTest.php

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+<?php
+
+namespace AppBundle\Tests\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+
+class DefaultControllerTest extends WebTestCase
+{
+    public function testIndex()
+    {
+        $client = static::createClient();
+
+        $crawler = $client->request('GET', '/');
+
+        $this->assertEquals(200, $client->getResponse()->getStatusCode());
+        $this->assertContains('Welcome to Symfony', $crawler->filter('#container h1')->text());
+    }
+}