Add some handy functions. Improve READMEs

README.md

@@ -8,7 +8,7 @@ This is where all development happens. The repository provides a friendly enviro
 Features:
 
 * [JMS](https://docs.oracle.com/javaee/7/api/javax/jms/package-summary.html) like transport [abstraction](https://github.com/php-enqueue/psr-queue).
-* Feature rich.
+* [Feature rich](docs/quick_tour.md).
 * Supports  transports:
     - [AMQP](docs/transport/amqp.md) (RabbitMQ, ActiveMQ and others), 
     - [STOMP](docs/transport/stomp.md)
@@ -18,7 +18,56 @@ Features:
     - [Filesystem](docs/transport/filesystem.md)
     - [Null](docs/transport/null.md).
 * Generic purpose abstraction level (the transport level).
+
+    ```php
+    <?php
+    use function Enqueue\dsn_to_context;
+    use function Enqueue\send_queue;
+    use function Enqueue\consume;
+    use Enqueue\Psr\PsrMessage;
+    use Enqueue\Consumption\Result;
+
+    // composer require enqueue/enqueue enqueue/amqp-ext
+
+    $c = dsn_to_context('amqp:://');
+
+    send_queue($c, 'a_queue', 'Hello there');
+
+    consume($c, 'a_queue', function(PsrMessage $message) {
+       $body = $message->getBody();
+
+       // to stop consumption: throw new \Enqueue\Consumption\Exception\ConsumptionInterruptedException;  
+
+       return Result::ACK;
+    });
+    ```
+
 * Easy to use abstraction level (the client level).
+
+    ```php
+    <?php
+    use Enqueue\SimpleClient\SimpleClient;
+    use Enqueue\Psr\PsrMessage;
+    use Enqueue\Consumption\Result;
+
+    // composer require enqueue/simple-client enqueue/fs
+
+    $client = new SimpleClient('file://');
+    $client->bind('a_topic', 'a_processor', function(PsrMessage $message) {
+        $body = $message->getBody();
+
+        // to stop consumption: throw new \Enqueue\Consumption\Exception\ConsumptionInterruptedException;
+
+        return Result::ACK;
+    });
+
+    $client->setupBroker();
+
+    $client->send('a_topic', 'Hello there');
+
+    $client->consume();
+    ```
+
 * [Symfony bundle](https://github.com/php-enqueue/enqueue-dev/blob/master/docs/bundle/quick_tour.md)
 * [Magento1 extension](https://github.com/php-enqueue/enqueue-dev/blob/master/docs/magento/quick_tour.md)
 * [Message bus](http://www.enterpriseintegrationpatterns.com/patterns/messaging/MessageBus.html) support.
@@ -30,6 +79,7 @@ Features:
 
 ## Resources
 
+* [Quick tour](https://github.com/php-enqueue/enqueue-dev/blob/master/docs/quick_tour.md)
 * [Documentation](https://github.com/php-enqueue/enqueue-dev/blob/master/docs/index.md)
 * [Questions](https://gitter.im/php-enqueue/Lobby)
 * [Issue Tracker](https://github.com/php-enqueue/enqueue-dev/issues)

pkg/enqueue-bundle/README.md

@@ -9,6 +9,7 @@ Integrates message queue components to Symfony application.
 
 ## Resources
 
+* [Quick tour](https://github.com/php-enqueue/enqueue-dev/blob/master/docs/bundle/quick_tour.md)
 * [Documentation](https://github.com/php-enqueue/enqueue-dev/blob/master/docs/index.md)
 * [Questions](https://gitter.im/php-enqueue/Lobby)
 * [Issue Tracker](https://github.com/php-enqueue/enqueue-dev/issues)

pkg/enqueue/functions.php

@@ -3,6 +3,7 @@
 namespace Enqueue;
 
 use Enqueue\AmqpExt\AmqpConnectionFactory;
+use Enqueue\Consumption\QueueConsumer;
 use Enqueue\Fs\FsConnectionFactory;
 use Enqueue\Null\NullConnectionFactory;
 use Enqueue\Psr\PsrConnectionFactory;
@@ -56,3 +57,42 @@ function dsn_to_context($dsn)
 {
     return dsn_to_connection_factory($dsn)->createContext();
 }
+
+/**
+ * @param PsrContext $c
+ * @param string     $topic
+ * @param string     $body
+ */
+function send_topic(PsrContext $c, $topic, $body)
+{
+    $topic = $c->createTopic($topic);
+    $message = $c->createMessage($body);
+
+    $c->createProducer()->send($topic, $message);
+}
+
+/**
+ * @param PsrContext $c
+ * @param string     $queue
+ * @param string     $body
+ */
+function send_queue(PsrContext $c, $queue, $body)
+{
+    $queue = $c->createQueue($queue);
+    $message = $c->createMessage($body);
+
+    $c->createProducer()->send($queue, $message);
+}
+
+/**
+ * @param PsrContext $c
+ * @param string     $queue
+ * @param callable   $callback
+ */
+function consume(PsrContext $c, $queue, callable $callback)
+{
+    $queueConsumer = new QueueConsumer($c);
+    $queueConsumer->bind($queue, $callback);
+
+    $queueConsumer->consume();
+}