Intro to Lithium @lonestarphp

Every framework claims to help you build the next killer app in less time and with less effort , but do they really help you do it your way? In this tactical tour-de-force, you'll learn how Lithium pulls together different tools, technologies, and paradigms to assist even the most complex and diabolical plans. By the end of the session, you'll know each step in the process required to get from zero to Instragram using Lithium.

Transcript

1. Intro to Lithium 2012-06-30 @ lonestarphp ONE BILLION DOLLARS AN HOUR
2. About Lithium Simple, Uniform API Unified Constructor Adaptable Filters (for AOP) $_classes (for DI) Plays nice with others
3. Documentation http://lithify.me/docs/lithium
5. Manual http://lithify.me/docs/manual
7. $1B
8. $ li3 library extract moneygram moneygram created in /<path to app> from / <path to lithium>/console/command/create/ template/app.phar.gz
11. $ cd moneygram/ && sudo chmod -R 777 resources/
12. config/bootstrap/connections.php use lithium\data\Connections; Connections::add('default', array( 'type' => 'MongoDb', 'host' => 'localhost', 'database' => 'moneygram' ));
14. Photos
15. $ li3 create Photos Photos created in models/Photos.php. PhotosController created in controllers/PhotosController.php. PhotosTest created in tests/cases/models/PhotosTest.php PhotosControllerTest created in tests/cases/controllers/PhotosControllerTest.php
16. config/routes.php Router::connect('/', 'Pages::view'); Router::connect('/', 'Photos::index');
18. $ li3 create view Photos index.html index.html.php created in views/photos.
19. views/photos/index.html.php <?php if (!count($photos)): ?> <p> No photos! <?=$this->html->link('Add one', 'Photos::add'); ?>. </p> <?php endif ?> <ul> <?php foreach ($photos as $photo): ?> <li><?=$this->html->link($photo->title, array('Photos::view', 'id' => $photo->_id)); ?></li> <?php endforeach ?> </ul>
21. $ li3 create view Photos add.html add.html.php created in views/photos.
22. views/photos/add.html.php <?=$this->form->create($photo, array( 'type' => 'file' )); ?> <?=$this->form->field('title'); ?> <?=$this->form->field('description'); ?> <?=$this->form->field('file', array( 'type' => 'file' )); ?> <?=$this->form->submit('Save'); ?> <?=$this->form->end(); ?>
24. models/Photos.php namespace moneygram\models; class Photos extends \lithium\data\Model { // .. protected $_meta = array('source' => 'fs.files'); }
26. config/routes.php Router::connect( '/{:controller}/{:action}/{:id:[0-9a-f]{24}}.{:type}', array('id' => null) ); Router::connect( '/{:controller}/{:action}/{:id:[0-9a-f]{24}}' );
28. views/photos/view.html.php <h2><?=$photo->title; ?></h2> <?=$this->html->image( "/photos/view/{$photo->_id}.jpe", array('alt' => $photo->title, 'width' => "40%") ); ?> <p><?=$photo->description; ?></p>
29. config/bootstrap/media.php Media::type('jpg', 'image/jpeg', array( 'cast' => false, 'encode' => function($data) { return $data['photo']->file->getBytes(); } )); config/bootstrap.php require __DIR__ . '/bootstrap/media.php';
30. views/photos/index.html.php <?php foreach ($photos as $photo): ?> <div class="photo" style="width:220px;text- align:center;float:left"> <?=$this->html->image("/photos/view/{$photo->_id}.jpe", array('width'=> 200)); ?> <p><?=$this->html->link($photo->title, array('Photos::view', 'id' => $photo->_id)); ?></p> </div> <?php endforeach ?>
31. views/photos/view.html.php <p> <?=$this->html->link( 'Smurf-ify!', array('Photos::edit', 'id' => $photo->_id) ); ?> </p>
32. $ git submodule add git://github.com/avalanche123/Imagine.git libraries/_source/Imagine Cloning into libraries/_source/Imagine... .... .... $ cd libraries/ && ln -s ./_source/Imagine/lib/Imagine Imagine
33. config/bootstrap/libraries.php Libraries::add('Imagine');
34. $ mkdir extensions/imagine $ wget https://raw.github.com/gist/ 2380165/6879278999eef20a0298a4ac7931b604831 2f6da/SepiaToneFilter.php -O extensions/ imagine/SepiaToneFilter.php
35. controllers/PhotosController.php use Imagine\Imagick\Imagine; class Photos extends \lithium\data\Model { public static $_classes = array( 'sepia' => 'moneygram\extensions\imagine\SepiaToneFilter' ); public function apply($photo, $type, array $options = array()) { set_time_limit(0); $imagine = new Imagine(); $filter = static::$_classes[$type]; $class = new $filter($imagine); $new = $class->apply($imagine->load( $photo->file->getBytes() )); return $new; } }
36. controllers/PhotosController.php class PhotosController extends \lithium\action\Controller { public function edit() { // ... } }
37. controllers/PhotosController.php public function edit() { $photo = Photos::find($this->request->id); $new = $photo->apply('sepia'); $photo->delete(); $photo = Photos::create(array( '_id' => $photo->_id, 'title' => $photo->title, 'file' => $new->get('jpg') )); $photo->save(); return $this->redirect(array( 'Photos::view', 'id' => $photo->_id )); }
38. extensions/imagine/SepiaToneFilter.php namespace moneygram\extensions\imagine; use Imagine\Image\Box; use Imagine\Image\Point; use Imagine\Image\Color; class SepiaToneFilter implements \Imagine\Filter\FilterInterface { // ... }
39. extensions/imagine/SepiaToneFilter.php public function apply(\Imagine\Image\ImageInterface $image) { $new = $this->_imagine->create($image->getSize(), new Color('fff')); for ($x = 0; $x < $image->getSize()->getWidth(); $x++) { for ($y = 0; $y < $image->getSize()->getHeight(); $y++) { $position = new Point($x, $y); $pixel = $image->getColorAt($position); $r = $pixel->getRed(); $g = $pixel->getGreen(); $b = $pixel->getBlue(); $r = min(array((0.272 * $r) + (0.534 * $g) + (0.131 * ($b)), 255)); $g = min(array((0.349 * $r) + (0.686 * $g) + (0.168 * ($b)), 255)); $b = min(array((0.393 * $r) + (0.769 * $g) + (0.189 * ($b)), 255)); $r = ($r > 255) ? 255 : $r; $g = ($g > 255) ? 255 : $g; $b = ($b > 255) ? 255 : $b; $pixel = new Color(array($r, $g, $b)); $new->draw()->dot($position, $pixel); } } return $new; }
40. Profit!
41. More
42. CSRF http://lithify.me/docs/lithium/security/ validation/RequestToken.php
43. Form signing coming soon
44. <?php $this->security->sign($this->form); ?> posts/add.html.php controllers/PostsController.php use lithium\security\validation\FormSignature ... FormSignature::check($this->request)
45. lithium101.com additional resources
46. Plugins where the real power lives
47. li3_docs: automatic docs from blocks li3_quality: commit the right code li3_access: authorize users and actions li3_resources: declarative parameter support > 200 Plugins
48. Sponsored by @engineyard