Less Time, Less Code, Less Headache

LESS TIME
LESS CODE
LESS HEADACHE
Lithium: the framework that tries to suck less

THE GOAL
• Posting with photo upload

• RSS updates

• Geo-tagged images & geo-spatial search

• Logging?

$ git clone
git://dev.lithify.me/lithium.git
photoblog

Bonus Points – add the li3 command to your system PATH:
http://bit.ly/li3path

$ cd photoblog/app
$ chmod -R 777 resources/

photoblog/conﬁg/bootstrap.php
require __DIR__ . '/bootstrap/connections.php';

photoblog/conﬁg/bootstrap/connections.php
use lithiumdataConnections;

Connections::add('default', array(
'type' => 'MongoDb',
'host' => 'localhost',
'database' => 'photoblog'
));

ALTERNATIVES...

'type' => 'http',
'adapter' => 'CouchDb',
'database' => 'app'
));

ALTERNATIVES...

'type' => 'database',
'adapter' => 'MySql',
'login' => 'web',
'password' => 'sekrit',
'database' => 'app'
));

$ li3 create Photos
Photos created in appmodels.
PhotosController created in appcontrollers.
PhotosTest created in apptestscasesmodels.
PhotosControllerTest created in apptestscasescontrollers.

http://path/to/web/photoblog/photos

photoblog/controllers/PhotosController.php
class PhotosController extends lithiumactionController {

public function index() {
$photos = Photos::all();
return compact('photos');
}

// ...
}

photoblog/views/photos/index.html.php
<?php if (!count($photos)): ?>
<em>No photos</em>.
<?=$this->html->link('Add one', 'Photos::add'); ?>.
<?php endif ?>

public function add() {
$photo = Photo::create();

if (($this->request->data) && $photo->save($this->request->data)) {
$this->redirect(array('Photos::view', 'id' => $photo->_id));
$this->redirect(array('Photos::view', 'id' => $photo->_id));
}
$this->_render['template'] = 'edit';
return compact('photo');
}

photoblog/views/photos/edit.html.php
<?=$this->form->create($photo, array('type' => 'file')); ?>
<?=$this->form->field('title'); ?>
<?=$this->form->field('description'); ?>
<?php if (!$photo->exists()) { ?>
<?=$this->form->field('file', array('type' => 'file')); ?>
<?php } ?>
<?=$this->form->submit('Save'); ?>
<?=$this->form->end(); ?>

http://path/to/web/photoblog/photos/add

photoblog/models/Photos.php
class Photo extends lithiumdataModel {

public $validates = array();

protected $_meta = array('source' => 'fs.files');

}

photoblog/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}}');

Router::connect('/{:controller}/{:action}/{:id:[0-9a-f]{24}}.{:type}', array('id' => null));
Router::connect('/{:controller}/{:action}/{:id:[0-9a-f]{24}}');

{:id:[0-9a-f]{24}}

http://path/to/web/photoblog/photos/view/...

photoblog/views/photos/view.html.php
<h1><?=$photo->title; ?></h1>
<p><?=$photo->description; ?></p>
<p>
<?=$this->html->link('Edit', array('Photos::edit', 'id' => $photo->_id)); ?>
</p>

<?=$this->html->image("/photos/view/{$photo->_id}.jpg", array(
'alt' => $photo->title,
'width' => 500
)); ?>

photoblog/conﬁg/bootstrap.php
/**
* This file contains configurations for handling different
* content types within the framework, including converting data to
* and from different formats, and handling static media assets.
*/
require __DIR__ . '/bootstrap/media.php';

photoblog/conﬁg/bootstrap/media.php
Media::type('jpg', 'image/jpeg', array(
'cast' => false,
'encode' => function($data) {
return $data['photo']->file->getBytes();
}
));

Router::connect('/.../{:id:[0-9a-f]{24}}. {:type}
{:type}', array(...));

Controller
$photo

Media

HTML JSON JPEG
templateView => array( ) Media type
handler
View Layout json_encode( )

use appmodelsPhotos;
use lithiumactionResponse;

Router::connect('/photos/view/{:id:[0-9a-f]{24}}.jpg', array(), function($request) {
return new Response(array(
'headers' => array('Content-type' => 'image/jpeg'),
'body' => Photos::first($request->id)->file->getBytes()
));
});

<ul>
<?php foreach ($photos as $photo): ?>
<li>
<?=$this->html->link($photo->title, array(
'controller' => 'photos',
'action' => 'view',
'id' => $photo->_id
)); ?>
</li>
<?php endforeach ?>
</ul>

<ul>
<li>
<?=$this->html->image(
"/photos/view/{$photo->_id}.jpg",
array('width'=> 100)
); ?>
<?=$this->html->link(
$photo->title,
array('Photos::view', 'id' => $photo->_id)
array('Photos::view', 'id' => $photo->_id)
); ?>
</li>
<?php endforeach ?>
</ul>

photoblog/conﬁg/bootstrap/media.php

Media::type('rss', 'application/rss+xml');

photoblog/views/layouts/default.rss.php
<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/">
<channel>
<title>Photos</title>
<pubDate>
<?=date("D, j M Y H:i:s", gmmktime()) . ' GMT'; ?>
</pubDate>
<?=$this->content(); ?>
</channel>
</rss>

photoblog/views/photos/index.rss.php
<item>
<title><?=$photo->title; ?></title>
<link><?=$this->url(array('Photos::view', 'id' => $photo->_id)); ?></link>
<description><?=$photo->description; ?></description>
</item>
<?php endforeach; ?>

http://path/to/web/photoblog/photos.rss

http://path/to/web/photoblog/photos.json
[{
"photo": {
"_id": "4d70c5017675ab4de900001f",
"title": "FML",
"description": "How the subway schedule sometimes makes me feel.",
"filename": "FML.jpg",
"uploadDate": 1299236097,
"length": 452751,
"chunkSize": 262144,
"md5": "e74c961185efdd69acbccaa59b7b13c0",
"file": { ... }
}
}]

$ cd libraries/

$ git clone
code@dev.lithify.me:li3_geo.git

Note – you will need an account. Sign up here:
http://dev.lithify.me/users/add

photoblog/conﬁg/bootstrap/libraries.php
/**
* Add some plugins
*/
Libraries::add('li3_geo');

use li3_geoextensionsGeocoder;
use li3_geoextensionsdatabehaviorLocatable;

class Photos extends lithiumdataModel {

// ...

public static function __init() {
parent::__init();

Locatable::bind(__CLASS__, array('fields' => array(
'location.latitude', 'location.longitude'
)));
}
}

public function save($entity, $data = null, array $options = array()) {
if ($data) {
$entity->set($data);
}
if (!$entity->exists() && isset($entity->file->tmp_name)) {
$entity->location = Geocoder::exifCoords(
exif_read_data($entity->file->tmp_name)
);
}
return parent::save($entity, null, $options);
}

use li3_geoextensionsGeocoder;

// ...

public function near($place = null) {
$this->_render['template'] = 'index';
$location = Geocoder::find('google', $place);
$photos = Photos::near($location, array('limit' => 5));
return compact('photos');
}

http://.../photos/near/New+York,+NY

photoblog/conﬁg/bootstrap/logging.php
use lithiumanalysisLogger;

Logger::config(array(
'default' => array('adapter' => 'File')
));

Connections::get('default')->applyFilter('read', function($self, $params, $chain) {
$query = $params['query'];

Logger::debug(
'Read: ' . $query->source() . ': ' . json_encode($query->conditions())
);

return $chain->next($self, $params, $chain);
});

Connections::get('default')->applyFilter('update', function($self, $params, $chain) {
$query = $params['query'];
$data = json_encode($query->conditions()) . ', ' . json_encode($query->data());
Logger::debug('Update: ' . $query->source() . ": {$data}");

return $chain->next($self, $params, $chain);
});

photoblog/resources/tmp/logs/debug.log
2011-03-04 18:37:07 Read: fs.files: {"location":{"$near":{"latitude":
40.7143528,"longitude":-74.0059731}}}
2011-03-04 18:37:07 Read: fs.files: {"_id":"4d710afc7675ab95d0000004"}

Thanks, y’all!
Getting connected AOP Resources
lithify.me bit.ly/aop-design

github.com/UnionOfRAD bit.ly/aop-gwoo

#li3 on irc.freenode.net bit.ly/aop-li3

@nateabele bit.ly/aop-oop

@UnionOfRAD bit.ly/mwop-aop

Less Time, Less Code, Less Headache

Recommended

Recommended

More Related Content

Viewers also liked

Viewers also liked (19)

Recently uploaded

Recently uploaded (20)

Less Time, Less Code, Less Headache

Editor's Notes