A Laravel Eloquent ORM/Capsule service provider for Silex
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README.md

Silex Capsule Service Provider

Build Status

This is a service provider for the Silex Micro Framework that integrates Laravel's Eloquent ORM via Capsule, its standalone wrapper implementation.

Requirements

In order to use the service provider you'll need to be running PHP 5.5.9+

Installation

The best way to install the service provider is using Composer:

composer require ziadoz/silex-capsule:2.*

Alternatively, you can add it directly to your composer.json file:

{
    "require": {
        "ziadoz/silex-capsule": "2.*"
    }
}

Basic Usage

To use it in your application just register the service provider with Silex:

<?php
$app = new Silex\Application;

$app->register(new Ziadoz\Silex\Provider\CapsuleServiceProvider, [
    'capsule.connection' => [
        'driver'    => 'mysql',
        'host'      => 'localhost',
        'database'  => 'database',
        'username'  => 'username',
        'password'  => 'password',
        'charset'   => 'utf8',
        'collation' => 'utf8_unicode_ci',
        'prefix'    => '',
        'logging'   => true,
    ],
]);

For more information about the available options you should refer to the Capsule documentation.

Once you've registered the service provider a Capsule object will be created and Eloquent booted up before any of your route controllers are called. If you're interested in the technical aspects, Capsule is registered as before middleware with Silex using Application::EARLY_EVENT, so it'll only ever be made available once your application is run and before anything else happens.

If you need Capsule and Eloquent to be booted up before your application is run ($app->run()), for example in a Symfony Console command, you just need to access its array element within the dependency injection container:

$app['capsule'];

Capsule will be made available globally by default, allowing you to write queries directly in your controllers should you wish:

use Illuminate\Database\Capsule\Manager as Capsule;

$app->get('/book/{id}', function(Application $app, $id) {
    $book = Capsule::table('books')->where('id', $id)->get();
    return $app->json($book);
});

If you don't want Capsule to be booted then set the capsule.global setting to false. If you don't plan to use Eloquent to build models then you can also prevent it from being booted by setting capsule.eloquent to false.

Creating Eloquent models is identical to how you would create them in Laravel:

use Illuminate\Database\Eloquent\Model;

class Book extends Model
{
    protected $table = 'books';

    protected $fillable = [
        'title',
        'author',
    ];

    protected $casts = [
        'title'  => 'string',
        'author' => 'string',
    ];

    // The rest of your model code...
}

Then you can use it, and all of its features, in your controllers just like you would in Laravel:

$app->get('/books', function(Application $app) {
    $books = Book::with('tags')->all();
    return $app->json($books);
});

$app->post('/book', function(Application $app, Request $request) {
    $book         = new Book();
    $book->title  = $request->request->get('title');
    $book->author = $request->request->get('author');
    $book->save();
});

Advanced Usage

You can setup multiple connections and even caching with the service provider; simply use the capsule.connections option:

<?php
$app = new Silex\Application;

$app->register(new Ziadoz\Silex\Provider\CapsuleServiceProvider, [
    // Connections
    'capsule.connections' => [
        'default' => [
            'driver'    => 'mysql',
            'host'      => 'localhost',
            'database'  => 'dname1',
            'username'  => 'root',
            'password'  => '',
            'charset'   => 'utf8',
            'collation' => 'utf8_unicode_ci',
            'prefix'    => '',
            'logging'   => false,
        ],

        'other' => [
            'driver'    => 'mysql',
            'host'      => 'localhost',
            'database'  => 'dbname2',
            'username'  => 'root',
            'password'  => '',
            'charset'   => 'utf8',
            'collation' => 'utf8_unicode_ci',
            'prefix'    => '',
            'logging'   => true,
        ],
    ],
]);

If you've enabled query logging on your connection you can retrieve it through Capsule:

Capsule::connection($name)->getQueryLog();

You can toggling query logging on a per-connection basis using the logging option in your connection credentials.

You can also use Eloquent's schema building tools to build migrations:

$app['capsule']->schema()->create('books', function($table) {
    $table->increments('id');
    $table->string('title');
    $table->string('author');
    $table->timestamps();
});

By default the service provider installs the Laravel Events package, so you can also use model observers:

<?php
class BookObserver
{
    public function saving($model)
    {
        // Do something
    }
}

Book:observe(new BookObserver());

Capsule Options Example

The following is a full example of all the available options that you can pass to the service provider:

<?php
$app = new Silex\Application;

$app->register(new Ziadoz\Silex\Provider\CapsuleServiceProvider, [
    // Multiple Connections
    'capsule.connections' => [
        'default' => [
            'driver'    => 'mysql',
            'host'      => 'localhost',
            'database'  => 'dname1',
            'username'  => 'root',
            'password'  => '',
            'charset'   => 'utf8',
            'collation' => 'utf8_unicode_ci',
            'prefix'    => '',
            'logging'   => false, // Toggle query logging on this connection.
        ],

        'other' => [
            'driver'    => 'mysql',
            'host'      => 'localhost',
            'database'  => 'dbname2',
            'username'  => 'root',
            'password'  => '',
            'charset'   => 'utf8',
            'collation' => 'utf8_unicode_ci',
            'prefix'    => '',
            'logging'   => true,  // Toggle query logging on this connection.
        ],
    ],

    /*
    // Single Connection
    'capsule.connection' => [
        'driver'    => 'mysql',
        'host'      => 'localhost',
        'database'  => 'dbname',
        'username'  => 'root',
        'password'  => '',
        'charset'   => 'utf8',
        'collation' => 'utf8_unicode_ci',
        'prefix'    => '',
        'logging'   => true, // Toggle query logging on this connection.
    ],
    */

    /*
    // Other Options
    'capsule.global'   => true, // Enable global access to Capsule query builder.
    'capsule.eloquent' => true, // Automatically boot Eloquent ORM.
    */
]);

Testing

There are some basic tests to ensure that the Capsule object is correctly registered with Silex. You can run them using PHPUnit, and you'll also need SQLite as the tests use a simple in-memory database.

If you make a pull request please ensure you add the accompanying tests.