Initial commit

.gitignore

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+/vendor
+composer.phar
+composer.lock
+.DS_Store

.travis.yml

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+language: php
+
+php:
+  - 5.3
+  - 5.4
+  - 5.5
+  - 5.6
+  - hhvm
+
+before_script:
+  - composer self-update
+  - composer install --prefer-source --no-interaction --dev
+
+script: phpunit

composer.json

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+{
+    "name": "laracasts/commander",
+    "description": "",
+    "authors": [
+        {
+            "name": "Jeffrey Way",
+            "email": "[email protected]"
+        }
+    ],
+    "require": {
+        "php": ">=5.3.0",
+        "illuminate/support": "4.1.*"
+    },
+    "autoload": {
+        "psr-0": {
+            "Laracasts\\Commander": "src/"
+        }
+    },
+    "minimum-stability": "stable"
+}

phpunit.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+         syntaxCheck="false"
+>
+    <testsuites>
+        <testsuite name="Package Test Suite">
+            <directory suffix=".php">./tests/</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>

src/Laracasts/Commander/BasicCommandTranslator.php

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+<?php namespace Laracasts\Commander;
+
+use Exception;
+
+class BasicCommandTranslator implements CommandTranslator {
+
+    public function toCommandHandler($command)
+    {
+        $handler = str_replace('Command', 'CommandHandler', get_class($command));
+
+        if ( ! class_exists($handler))
+        {
+            $message = "Command handler [$handler] does not exist.";
+
+            throw new Exception($message);
+        }
+
+        return $handler;
+    }
+
+    public function toValidator($command)
+    {
+        return str_replace('Command', 'Validator', get_class($command));
+    }
+
+} 

src/Laracasts/Commander/CommandBus.php

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+<?php namespace Laracasts\Commander;
+
+interface CommandBus {
+
+    public function execute($command);
+
+}

src/Laracasts/Commander/CommandHandler.php

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+<?php namespace Laracasts\Commander;
+
+interface CommandHandler {
+
+    /**
+     * Handle the command
+     *
+     * @param $command
+     * @return mixed
+     */
+    public function handle($command);
+
+} 

src/Laracasts/Commander/CommandTranslator.php

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+<?php namespace Laracasts\Commander;
+
+interface CommandTranslator {
+
+    public function toCommandHandler($command);
+
+    public function toValidator($command);
+}

src/Laracasts/Commander/CommanderServiceProvider.php

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+<?php namespace Laracasts\Commander;
+
+use Illuminate\Support\ServiceProvider;
+
+class CommanderServiceProvider extends ServiceProvider {
+
+	/**
+	 * Indicates if loading of the provider is deferred.
+	 *
+	 * @var bool
+	 */
+	protected $defer = false;
+
+	/**
+	 * Register the service provider.
+	 *
+	 * @return void
+	 */
+	public function register()
+	{
+        $this->registerCommandTranslator();
+
+        $this->registerCommandBus();
+    }
+
+	/**
+	 * Get the services provided by the provider.
+	 *
+	 * @return array
+	 */
+	public function provides()
+	{
+		return ['commander'];
+	}
+
+    private function registerCommandTranslator()
+    {
+        $this->app->bind('Laracasts\Commander\CommandTranslator', 'Laracasts\Commander\BasicCommandTranslator');
+    }
+
+    private function registerCommandBus()
+    {
+        $this->app->bindShared('Laracasts\Commander\CommandBus', function ()
+        {
+            return $this->app->make('Laracasts\Commander\ValidationCommandBus');
+        });
+    }
+
+}

src/Laracasts/Commander/DefaultCommandBus.php

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+<?php namespace Laracasts\Commander;
+
+use Illuminate\Foundation\Application;
+
+class DefaultCommandBus implements CommandBus {
+
+    /**
+     * @var Application
+     */
+    protected $app;
+
+    /**
+     * @var CommandTranslator
+     */
+    protected $commandTranslator;
+
+    /**
+     * @param Application $app
+     * @param CommandTranslator $commandTranslator
+     */
+    function __construct(Application $app, CommandTranslator $commandTranslator)
+    {
+        $this->app = $app;
+        $this->commandTranslator = $commandTranslator;
+    }
+
+    /**
+     * @param $command
+     * @return mixed
+     */
+    public function execute($command)
+    {
+        $handler = $this->commandTranslator->toCommandHandler($command);
+
+        return $this->app->make($handler)->handle($command);
+    }
+
+} 

src/Laracasts/Commander/Events/EventDispatcher.php

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+<?php namespace Laracasts\Commander\Events;
+
+use Illuminate\Events\Dispatcher;
+use Illuminate\Log\Writer;
+
+class EventDispatcher {
+
+    protected $event;
+
+    protected $log;
+
+    function __construct(Dispatcher $event, Writer $log)
+    {
+        $this->event = $event;
+        $this->log = $log;
+    }
+
+    public function dispatch(array $events)
+    {
+        foreach($events as $event)
+        {
+            $eventName = $this->getEventName($event);
+
+            $this->event->fire($eventName, $event);
+
+            $this->log->info("$eventName was fired.");
+        }
+    }
+
+    protected function getEventName($event)
+    {
+        return str_replace('\\', '.', get_class($event));
+    }
+
+} 

src/Laracasts/Commander/Events/EventGenerator.php

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+<?php namespace Laracasts\Commander\Events;
+
+trait EventGenerator {
+
+    protected $pendingEvents = [];
+
+    public function raise($event)
+    {
+        $this->pendingEvents[] = $event;
+    }
+
+    public function releaseEvents()
+    {
+        $events = $this->pendingEvents;
+
+        $this->pendingEvents = [];
+
+        return $events;
+    }
+
+} 

src/Laracasts/Commander/Events/EventListener.php

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+<?php namespace Laracasts\Commander\Events;
+
+use ReflectionClass;
+
+abstract class EventListener {
+
+    public function handle($event)
+    {
+        $eventName = $this->getEventName($event);
+
+        if ($this->listenerIsRegistered($eventName))
+        {
+            return call_user_func([$this, 'when'.$eventName], $event);
+        }
+    }
+
+    /**
+     * @param $event
+     * @return string
+     */
+    protected function getEventName($event)
+    {
+        return (new ReflectionClass($event))->getShortName();
+    }
+
+    /**
+     * @param $eventName
+     * @return bool
+     */
+    protected function listenerIsRegistered($eventName)
+    {
+        $method = "when{$eventName}";
+
+        return method_exists($this, $method);
+    }
+} 

src/Laracasts/Commander/ValidationCommandBus.php

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+<?php namespace Laracasts\Commander;
+
+class ValidationCommandBus extends DefaultCommandBus {
+
+    public function execute($command)
+    {
+        $validator = $this->commandTranslator->toValidator($command);
+
+        if (class_exists($validator))
+        {
+            $this->app->make($validator)->validate($command);
+        }
+
+        return parent::execute($command);
+    }
+
+}