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extdirect

An PHP implementation of the Sencha Ext Direct Specification

This project has some code from J. Bruni (ExtDirect.php)

Install

composer require danielbragaalmeida/extdirect

How to Use

PHP

config.php

<?php
return [
    'discoverer' => [
        'paths' => [ // Directories of your classes
            __DIR__ . '/src', 
        ]
    ],
    'cache' => [
        'directory' => __DIR__ . '/cache',
        'lifetime' => 60,
    ],
    'api' => [
        'descriptor' => 'window.uERP_REMOTING_API',
        'declaration' => [
            'url' => 'http://api.myadomain.com/router.php', // Your router may be in another domain
            'type' => 'remoting',
            'id' => 'uERP', // it's required for the cache mechanism
            'namespace' => 'Ext.php',
            'timeout' => null,
        ]
    ]
];

Sample class src/Server.php

<?php
namespace Util;

/**
 * Class Server
 *
 * @ExtDirect
 * @ExtDirect\Alias UtilServer
 */
class Server
{
    /**
     * @param $format
     * @return bool|string
     * @ExtDirect
     */
    public function date($format)
    {
        return date($format);
    }

    /**
     *
     * @return string
     * @ExtDirect
     */
    public function hostname()
    {
        return gethostname();
    }
}

api.php

<?php
require_once __DIR__ . '/../vendor/autoload.php';

$config = new ExtDirect\Config(include 'config.php');

$discoverer = new ExtDirect\Discoverer($config);
$discoverer->start();

router.php

<?php
require_once __DIR__ . '/../vendor/autoload.php';

$config = new ExtDirect\Config(include 'config.php');

$discoverer = new ExtDirect\Router($config);
$discoverer->route();

HTML

<-- API in same domain -->
<script type="text/javascript" src="api.php"></script>

<-- API in another domain -->
<script type="text/javascript" src="http://api.mydomain.com/api.php"></script>

JavaScript:

Here, you can call actions/methods from your API. If you exposed the Util\Server (alias UtilServer) class and the date method, You must class the API as follows:

Ext.Direct.addProvider(window.uERP_REMOTING_API); // window.uERP_REMOTING_API is your descriptor
Ext.php.UtilServer.date('Y-m-d', function(result) {
    alert('Server date is ' + result); 
});

Features

1. Configure once, work everywhere.

   You configure the path where your classes resides, not which classes you will expose.

2. Use of Annotations to easily determine which classes and methods are exposed. All classes with @ExtDirect will be inspected for methods that can be exposed (only methods com @ExtDirect will be exposed).

3. Cache mechanism. Your API classes/methods will be cached to avoid overloading the discovery process. You can configure the cache lifetime.

Configuration

An array with the following structure:

• discovery
  • paths array
• cache array
  • directory string
  • lifetime int
• api
  • descriptor string
  • declaration
    • url string
    • type string
    • id string
    • namespace string
    • timeout int

Discovery config

discovery.paths: An array with paths to your classes.

<?php
...
'discoverer' => [
    'paths' => [
        __DIR__ . '/../src',
        __DIR__ . '/../lib',
    ]
],
...

cache.directory: The directory that will be used to store the cached data.

cache.lifetime: The cache lifetime, in seconds.

<?php
...
'cache' => [
    'directory' => __DIR__ . '/../cache',
    'lifetime' => 60,
],
...

API config

api.descriptor: The JavaScript variable which will receive the API declaration.

api.declaration.url: The Service URI for this API.

api.declaration.type: MUST be either remoting for Remoting API, or polling for Polling API.

api.declaration.id: The identifier for the Remoting API Provider. This is useful when there are more than one API in use. Cache mechanism require it.

api.declaration.namespace: The Namespace for the given Remoting API.

api.declaration.timeout: The number of milliseconds to use as the timeout for every Method invocation in this Remoting API. (not implemented)