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Silex - Talk is cheap, show me the c̶o̶d̶e̶ prototype!

Silex - Talk is cheap, show me the c̶o̶d̶e̶ prototype!

Por que prototipar?
O que são microframeworks?
Silex, microframework PHP.
Como usar o Silex?

Jean Pimentel

June 25, 2012
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  1. "IT'S ONE THING TO TALK ABOUT THEM AND HAVE STORYBOARDS

    AND ANOTHER THING TO SEE THEM FOR REAL.“ ROBERT HOEKMAN, JR.
  2. NÃO PERCA TEMPO COM O MELHOR CÓDIGO, ELE É DESCARTÁVEL

    E SOFRERÁ MUITAS ALTERAÇÕES. NÃO PRECISA FUNCIONAR NO IE6, NEM TER UM BOM HTML. PODE ATÉ USAR TABELA.
  3. MICROFRAMEWORK • Esqueleto da aplicação • Controllers (MVC) – Rotas

     Ações – Requests  Responses • Simples
  4. MICROFRAMEWORK • Ruby  Sinatra, Cuba • Python  Flask,

    Pyramid • PHP  Silex, Slim, Flight • Java  Napalm
  5. SILEX • Não é o Symfony2 • PHP 5.3 •

    PSR-0 • PSR-1 (?) • PSR-2 (?) • Conciso, extensível e testável
  6. 1 { 2 "require": { 3 "php": ">=5.3.2", 4 "silex/silex":

    "*" 5 } 6 } 1 curl -s http://getcomposer.org/installer | php 2 php composer.phar install composer.json shell
  7. 1 <?php 2 3 // COMPOSER 4 require_once __DIR__.'/../vendor/autoload.php'; 5

    6 $app = new Silex\Application(); 7 8 // SEUS MÉTODOS AQUI 9 10 $app->run(); public/index.php
  8. 1 <?php 2 3 // COMPOSER 4 require_once __DIR__.'/../vendor/autoload.php'; 5

    6 $app = new Silex\Application(); 7 $app->register(new Silex\Provider\SessionServiceProvider()); 8 $app->register(new Silex\Provider\TwigServiceProvider(), array( 9 'twig.path' => __DIR__ . '/../views', 10 )); 11 12 // SEUS MÉTODOS AQUI 13 14 $app->run();
  9. SERVICES PROVIDERS • Validator • Form • Monolog • Doctrine

    • Translation • E você pode fazer o seu. Basta implementar uma interface.
  10. 1 <?php 2 3 // COMPOSER 4 require_once __DIR__.'/../vendor/autoload.php'; 5

    6 $app = new Silex\Application(); 7 $app->register(new Silex\Provider\SessionServiceProvider()); 8 $app->register(new Silex\Provider\TwigServiceProvider(), array( 9 'twig.path' => __DIR__ . '/../views', 10 )); 11 12 $app->get('/posts', function () { 13 $posts = /* Minha query */ 14 15 $output = ''; 16 foreach ($posts as $post) 17 $output .= $post['title'] . '<br />'; 18 19 return $output; 20 }); 21 22 $app->run();
  11. 1 <?php 2 3 // COMPOSER 4 require_once __DIR__.'/../vendor/autoload.php'; 5

    6 $app = new Silex\Application(); 7 $app->register(new Silex\Provider\SessionServiceProvider()); 8 $app->register(new Silex\Provider\TwigServiceProvider(), array( 9 'twig.path' => __DIR__ . '/../views', 10 )); 11 12 $app->get('/posts', function () use ($app) { 13 $posts = /* Minha query */ 14 return $app['twig']->render('blog.twig', array('posts' => $posts)); 15 }); 16 17 $app->run(); 1 {% if posts %} 2 <ul> 3 {% for post in posts %} 4 <li>{{ post.title }}<li> 5 {% endfor %} 6 </ul> 7 {% endif %} UTILIZANDO O TWIG views/blog.twig
  12. 1 <?php 2 3 // COMPOSER 4 require_once __DIR__.'/../vendor/autoload.php'; 5

    6 $app = new Silex\Application(); 7 $app->register(new Silex\Provider\SessionServiceProvider()); 8 $app->register(new Silex\Provider\TwigServiceProvider(), array( 9 'twig.path' => __DIR__ . '/../views', 10 )); 11 12 $app->get('/posts', function () use ($app) { 13 $posts = /* Minha query */ 14 return $app['twig']->render('blog.twig', array('posts' => $posts)); 15 }); 16 17 $app->get('/post/{id}', function ($id) use ($app) { 18 $post = /* Minha query buscando o post */ 19 return $app['twig']->render('post.twig', array('post' => $post)); 20 }) 21 ->assert('id', '\d+'); 22 23 $app->run(); UTILIZANDO PARÂMETROS
  13. 1 <?php 2 3 // COMPOSER 4 require_once __DIR__.'/../vendor/autoload.php'; 5

    6 $app = new Silex\Application(); 7 $app->register(new Silex\Provider\SessionServiceProvider()); 8 $app->register(new Silex\Provider\TwigServiceProvider(), array( 9 'twig.path' => __DIR__ . '/../views', 10 )); 11 12 $app->get('/posts', function () use ($app) { 13 $posts = /* Minha query */ 14 return $app['twig']->render('blog.twig', array('posts' => $posts)); 15 }); 16 17 $app->get('/post/{id}', function ($id) use ($app) { 18 return $app['twig']->render('post.twig', array('post' => $id)); 19 }) 20 ->convert('id', function ($id) { return /* Minha query buscando post */ }); 21 22 $app->run(); CONVERTENDO O PARÂMETRO
  14. 1 <?php 2 3 // COMPOSER 4 require_once __DIR__.'/../vendor/autoload.php'; 5

    6 $app = new Silex\Application(); 7 $app->register(new Silex\Provider\SessionServiceProvider()); 8 $app->register(new Silex\Provider\TwigServiceProvider(), array( 9 'twig.path' => __DIR__ . '/../views', 10 )); 11 12 $postProvider = function ($id) { 13 return /* Minha query buscando post */ 14 }; 15 16 $app->get('/posts', function () use ($app) { 17 $posts = /* Minha query */ 18 return $app['twig']->render('blog.twig', array('posts' => $posts)); 19 }); 20 21 $app->get('/post/{id}', function ($id) use ($app) { 22 return $app['twig']->render('post.twig', array('post' => $id)); 23 }) 24 ->convert('id', $postProvider); 25 26 $app->run(); REUTILIZANDO FUNÇÕES
  15. 2 3 // COMPOSER 4 require_once __DIR__.'/../vendor/autoload.php'; 5 6 $app

    = new Silex\Application(); 7 $app->register(new Silex\Provider\SessionServiceProvider()); 8 $app->register(new Silex\Provider\TwigServiceProvider(), array( 9 'twig.path' => __DIR__ . '/../views', 10 )); 11 12 $postProvider = function ($id) { 13 return /* Minha query buscando o post */ 14 }; 15 16 $app->get('/posts', function () use ($app) { 17 $posts = /* Minha query */ 18 return $app['twig']->render('blog.twig', array('posts' => $posts)); 19 }); 20 21 $app->get('/post/{id}', function ($id) use ($app) { 22 return $app['twig']->render('post.twig', array('post' => $id)); 23 }) 24 ->convert('id', $postProvider); 25 26 $app->get('/posts/categoria/{categoria}', function ($id) use ($app) { 27 $posts = /* Minha query por posts com categoria X */ 28 return $app['twig']->render('blog.twig', array('posts' => $posts)); 29 }) 30 ->value('categoria', 'php'); 31 32 $app->run(); PARÂMETROS COM VALOR DEFAULT
  16. 1 <?php 2 3 // COMPOSER 4 require_once __DIR__.'/../vendor/autoload.php'; 5

    6 $app = new Silex\Application(); 7 $app->register(new Silex\Provider\SessionServiceProvider()); 8 $app->register(new Silex\Provider\TwigServiceProvider(), array( 9 'twig.path' => __DIR__ . '/../views', 10 )); 11 12 /* ... */ 13 14 $app->get('/contato', function () use ($app) { 15 return $app['twig']->render('contato.twig') 16 }); 17 18 $app->post('/contato', function (Request $request) use ($app) { 19 $contato = array( 20 'nome' => $request->get('nome'), 21 'email' => $request->get('email'), 22 'assunto' => $request->get('assunto'), 23 'mensagem' => $request->get('mensagem'), 24 ); 25 /* Minha query salvando o contato */ 26 return $app['twig']->render('contato-sucesso.twig') 27 }); 28 29 $app->run(); GET, POST, PUT, DELETE OU MATCH
  17. 1 <?php 2 3 // COMPOSER 4 require_once __DIR__.'/../vendor/autoload.php'; 5

    6 $app = new Silex\Application(); 7 $app->register(new Silex\Provider\SessionServiceProvider()); 8 $app->register(new Silex\Provider\TwigServiceProvider(), array( 9 'twig.path' => __DIR__ . '/../views', 10 )); 11 12 /* ... */ 13 14 $mustBeAnonymous = function (Request $request) use ($app) { 15 if ($app['session']->has('user')) 16 return $app->redirect('/logout'); 17 }; 18 19 $app->get('/signup', function () use ($app) { 20 return $app['twig']->render('signup.twig') 21 }) 22 ->before($mustBeAnonymous); 23 24 $app->run(); BEFORE ROUTE
  18. 2 3 // COMPOSER 4 require_once __DIR__.'/../vendor/autoload.php'; 5 6 $app

    = new Silex\Application(); 7 $app->register(new Silex\Provider\SessionServiceProvider()); 8 $app->register(new Silex\Provider\TwigServiceProvider(), array( 9 'twig.path' => __DIR__ . '/../views', 10 )); 11 12 /* ... */ 13 14 $app->get('/meu-relatorio', function () use ($app) { 15 return $app['twig']->render('signup.twig') 16 }) 17 ->before(function (Request $request) use ($app) { 18 if (!$app['session']->has('user')) 19 return $app->redirect('/login'); 20 }) 21 ->before(function (Request $request) use ($app) { 22 $app['time.start'] = microtime(true) 23 }) 24 ->after(function (Request $request, Response $response) use ($app) { 25 $duracao = microtime(true) - $app['time.start']; 26 /* Minha função pra gravar em logs */ 27 }); 28 29 $app->run(); AFTER ROUTE
  19. 1 <?php 2 3 // COMPOSER 4 require_once __DIR__.'/../vendor/autoload.php'; 5

    6 $app = new Silex\Application(); 7 $app->register(new Silex\Provider\SessionServiceProvider()); 8 $app->register(new Silex\Provider\TwigServiceProvider(), array( 9 'twig.path' => __DIR__ . '/../views', 10 )); 11 12 $app->before(function (Request $request) use ($app) { 13 // set up 14 $request->getSession()->start(); 15 $app['time.start'] = microtime(true); 16 }); 17 18 $app->after(function (Request $request, Response $response) use ($app) { 19 // tear down 20 $app['time.end'] = microtime(true); 21 }); 22 23 $app->finish(function (Request $request, Response $response) use ($app) { 24 // after response has been sent 25 $duracao = $app['time.end'] - $app['time.start']; 26 /* Minha função pra gravar em logs */ 27 }); 28 29 $app->run(); BEFORE, AFTER, FINISH
  20. 1 <?php 2 3 // COMPOSER 4 require_once __DIR__.'/../vendor/autoload.php'; 5

    6 $app = new Silex\Application(); 7 $app->register(new Silex\Provider\SessionServiceProvider()); 8 $app->register(new Silex\Provider\TwigServiceProvider(), array( 9 'twig.path' => __DIR__ . '/../views', 10 )); 11 12 /* ... */ 13 14 $app['debug'] = TRUE; 15 16 $app->error(function (\Exception $e, $code) { 17 /* Tratamento da exception */ 18 }); 19 20 $app->error(function (\LogicException $e, $code) { 21 /* Tratamento da exception */ 22 }); 23 24 $app->run();