PFZ workshopday symfony2 slides

Transcript

1. 1
   PFZ Workshopdag - 17 mei 2014
   Symfony2 Workshop
   

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2. 2
   Joshua Thijssen
   Freelance consultant, developer and trainer
   @ NoxLogic / TechAdemy
   Founder of the Dutch Web Alliance.
   Author of “Mastering the SPL Library”
   Blog: http://adayinthelifeof.nl
   Email: jthijssen@noxlogic.nl
   Twitter: @jaytaph
   TechAdemy.nl
   

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3. ➡ 4 avonden (19:00 - 22:00)
   ➡ dinsdag 10 - 17 - 24 june & 1 july
   ➡ 300 euro early bird, 400 euro normaal
   ➡ https://www.eventbrite.nl/e/tickets-
   introductie-symfony2-webinar-
   nederlands-11668148747
   3
   Symfony2 introduction webinar
   

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4. Introduction
   in
   Symfony2
   4
   

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5. Downloading
   & Installing
   symfony2
   5
   

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7. $ curl -s https://getcomposer.org/installer | php
   $ php composer.phar create-project symfony/framework-
   standard-edition dir/ ~2.4
   7
   

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9. .
   !"" app
   # !"" AppCache.php
   # !"" AppKernel.php
   # !"" autoload.php
   # !"" bootstrap.php.cache
   # !"" cache
   # !"" check.php
   # !"" config
   # !"" console
   # !"" logs
   # !"" phpunit.xml.dist
   # !"" Resources
   # %"" SymfonyRequirements.php
   !"" composer.json
   !"" composer.lock
   !"" LICENSE
   !"" README.md
   !"" src
   # %"" Acme
   !"" UPGRADE.md
   !"" vendor
   # !"" autoload.php
   # !"" bin
   # !"" composer
   # !"" doctrine
   # !"" jms
   # !"" kriswallsmith
   # !"" monolog
   # !"" sensio
   # !"" swiftmailer
   # !"" symfony
   # %"" twig
   %"" web
   !"" app_dev.php
   !"" apple-touch-icon.png
   !"" app.php
   !"" bundles
   !"" config.php
   !"" favicon.ico
   %"" robots.txt
   9
   

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12. Routing
    12
    

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13. /my/url?q=a controller/action
    ?
    13
    

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14. ➡ Routing starts in app/config/routing.yml (or
    xml, or php)
    14
    

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15. # app/config/routing.yml
    blog_index:
    pattern: /blog
    defaults: { _controller: AcmeBlogBundle:Blog:index }
    15
    

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16. # app/config/routing.yml
    blog_index:
    pattern: /blog
    defaults: { _controller: AcmeBlogBundle:Blog:index }
    blog_show:
    pattern: /blog/{slug}
    defaults: { _controller: AcmeBlogBundle:Blog:show }
    16
    

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17. TWIG
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18. namespace Noxlogic\GuestbookBundle\Controller;
    use Symfony\Bundle\FrameworkBundle\Controller\Controller;
    class DefaultController extends Controller
    {
    public function indexAction($name)
    {
    return $this->render('NoxlogicGuestbookBundle:Default:index.html.twig', array('name' => $name));
    }
    }
    Template name
    Format
    Engine
    Parameters
    This template can be found at:
    /src/Noxlogic/GuestbookBundle/views/Default/index.html.twig
    18
    

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19. ➡ Output something {{ }}
    ➡ Do something {% %}
    ➡ Comments {# #}
    19
    

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20. ➡ Like most things in symfony2, don’t hardcode
    URLs.
    ➡ Use “path” and/or “url”
    20
    

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21. {% foreach user in users %}
    {{ user.name | capitalize }}
    {% endfor %}
    Go back to the homepage
    Use path() for relative URLs
    Use url() for absolute URLs
    21
    

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22. FORMS
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23. namespace Noxlogic\GuestbookBundle\Controller;
    use Symfony\Bundle\FrameworkBundle\Controller\Controller;
    use Noxlogic\GuestbookBundle\Form\CommentType;
    class CommentController extends Controller
    {
    public function indexAction()
    {
    $form = $this->createFormBuilder()
    ->add('name', 'text')
    ->add('email', 'email')
    ->add('comment', 'textarea')
    ->getForm();
    return $this->render('NoxlogicGuestbookBundle:Comment:index.html.twig', array('form' => $form->createView()));
    }
    }
    23
    

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24. namespace Noxlogic\GuestbookBundle\Form;
    use Symfony\Component\Form\AbstractType;
    use Symfony\Component\Form\FormBuilderInterface;
    class CommentType extends AbstractType
    {
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
    $builder->add('name');
    $builder->add('email', 'email');
    $builder->add('comment', 'textarea');
    }
    public function getName()
    {
    return 'comment';
    }
    }
    src/Noxlogic/GuestbookBundle/Form/
    CommentType.php
    24
    Move the form to its own class
    

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25. namespace Noxlogic\GuestbookBundle\Controller;
    use Symfony\Bundle\FrameworkBundle\Controller\Controller;
    use Noxlogic\GuestbookBundle\Form\CommentType;
    class CommentController extends Controller
    {
    public function indexAction()
    {
    $form = $this->createForm(new CommentType());
    return $this->render('NoxlogicGuestbookBundle:Comment:index.html.twig', array('form' => $form->createView()));
    }
    }
    src/Noxlogic/GuestbookBundle/Controller/CommentController.php
    25
    Keeps the controllers small and clean.
    

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26. 26
    http://webmozarts.com/2012/03/06/symfony2-form-architecture/
    default available in the form extension
    added by extensions
    

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27. Form validation
    27
    

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28. ➡ We can add validators to our form(entries).
    ➡ isValid() will check form values, and create
    errors which can be displayed with the
    form_errors() twig function.
    28
    

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29. namespace Noxlogic\GuestbookBundle\Form;
    use Symfony\Component\Form\AbstractType;
    use Symfony\Component\Form\FormBuilderInterface;
    use Symfony\Component\Validator\Constraints;
    class CommentType extends AbstractType
    {
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
    $builder->add('name', 'text', array(
    'constraints' => new Constraints\NotBlank(),
    ));
    $builder->add('email', 'email');
    $builder->add('comment', 'textarea', array(
    'constraints' => array(
    new Constraints\NotBlank(),
    new Constraints\Length(array('min' => 10, 'max' => 50)),
    )
    ));
    }
    public function getName()
    {
    return 'comment';
    }
    }
    29
    

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30. ➡ NotBlank
    ➡ Blank
    ➡ NotNull
    ➡ Null
    ➡ True
    ➡ False
    ➡ Type
    ➡ Email
    ➡ MinLength
    ➡ MaxLength
    ➡ Length
    ➡ Url
    ➡ Regex
    ➡ Ip
    ➡ Max
    ➡ Min
    ➡ Range
    ➡ Date
    ➡ DateTime
    ➡ Time
    ➡ Choice
    ➡ Collection
    ➡ Count
    ➡ UniqueEntity
    ➡ Language
    ➡ Locale
    ➡ Country
    ➡ File
    ➡ Image
    ➡ Callback
    ➡ All
    ➡ UserPasswor
    d
    ➡ Valid
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31. namespace Noxlogic\GuestbookBundle\Form;
    use Symfony\Component\Form\AbstractType;
    use Symfony\Component\Form\FormBuilderInterface;
    use Symfony\Component\Validator\Constraints;
    class CommentType extends AbstractType
    {
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
    $builder->add('name', 'text', array(
    'constraints' => new Constraints\NotBlank(),
    ));
    $builder->add('email', 'email');
    $builder->add(‘country’, ‘country’);
    $builder->add('comment', 'textarea', array(
    'constraints' => array(
    new Constraints\NotBlank(),
    new Constraints\Length(array('min' => 10, 'max' => 50)),
    )
    ));
    }
    public function getName()
    {
    return 'comment';
    }
    }
    31
    

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32. ➡ Validations etc can be added to configuration
    to simplify things.
    ➡ Normally, validation is done on “entities”.
    32
    

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33. 33
    ➡ As with (almost) anything, you can write
    your custom validators as well.
    ➡ Check for valid customer-id, ISBN, VAT
    numbers etc..
    

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34. Using entities
    34
    

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35. ➡ Form data is usually coupled to models/
    entities
    ➡ Doctrine2, but standalone models are
    possible too.
    35
    

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36. namespace NoxLogic\GuestbookBundle\Entity;
    class Comment {
    protected $name;
    protected $email;
    protected $comment;
    // getters and setters getName(), setName() etc..
    }
    36
    

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37. namespace Noxlogic\GuestbookBundle\Controller;
    use Symfony\Bundle\FrameworkBundle\Controller\Controller;
    use Noxlogic\GuestbookBundle\Form\CommentType;
    use Noxlogic\GuestbookBundle\Entity\Comment;
    class CommentController extends Controller
    {
    public function indexAction()
    {
    $comment = new Comment();
    $form = $this->createForm(new CommentType(), $comment);
    $request = $this->getRequest();
    if ($request->getMethod() == "POST") {
    $form->handleRequest($request);
    // $comment is now filled with our form values
    if ($form->isValid()) {
    $this->get("session")->setFlash("notice", "Thank you for posting your comment!");
    $url = $this->generateUrl("noxlogic_guestbook_homepage", array("name" => $comment->getName()));
    return $this->redirect($url);
    }
    }
    return $this->render('NoxlogicGuestbookBundle:Comment:index.html.twig', array(
    'form' => $form->createView())
    );
    }
    }
    37
    

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38. Doctrine2
    38
    

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39. class User {
    protected $id;
    protected $firstname;
    protected $lastname;
    protected $email;
    protected $birthdate;
    }
    39
    

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40. use Doctrine\ORM\Mapping AS ORM;
    /** @ORM\Entity */
    class User {
    /**
    * @ORM\Id
    * @ORM\GeneratedValue
    * @ORM\Column(type=”integer”)
    */
    protected $id;
    /** @ORM\Column(type=”string”, length=25);
    protected $firstname;
    /** @ORM\Column(type=”string”, length=25);
    protected $lastname;
    /** @ORM\Column(type=”string”, length=50);
    protected $email;
    /** @ORM\Column(type=”date”);
    protected $birthdate;
    }
    40
    

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41. ➡ The entitymanager takes care of loading
    and saving your entities (through
    repositories).
    41
    

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42. public function indexAction() {
    $user = new User();
    $user->setFirstName(“John”);
    $user->setLastName(“Doe”);
    $user->setBirthdate(new \DateTime(“1 august 1980”));
    $em = $this->getDoctrine()->getManager();
    $em->persist($user);
    $em->flush();
    }
    42
    

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43. public function indexAction() {
    $user = $this->getDoctrine()
    ->getRepository(“NoxlogicBundle:User”)
    ->find(1);
    if (!$user) {
    throw new \HttpNotFoundException();
    }
    $this->render(“myview.html”, array(“user” => $user));
    }
    43
    

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44. $usersNamedJohn = $this->getDoctrine()
    ->getRepository(“NoxlogicBundle:User”)
    ->findAllByFirstName(“John”);
    $usersNamedDoe = $this->getDoctrine()
    ->getRepository(“NoxlogicBundle:User”)
    ->findAllByLastName(“Doe”);
    $em = $this->getDoctrine()->getManager();
    foreach ($usersNamedDoe as $doe) {
    $em->remove($doe);
    }
    $em->flush();
    44
    

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45. ➡ Repositories provides ways to find /
    query for your entities.
    ➡ Standard repository:
    ➡ fetchAll, fetchOne, fetchAllBy*,
    fetchOneBy*
    45
    

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