Version 1.2.0

- Event publishing without queue
- Broadcastable event can be non json serializable

README.md

@@ -33,8 +33,9 @@ return [
 
 ### 1. Creating regular events for publishing to a RabbitMQ
 
-Create an event that implements the `Broadcast` interface. `Broadcast` interface 
+Create an event that implements the `Broadcast` interface. 
-extends `JsonSerializable` then your event should implements `jsonSerialize` method.
+Your event should implements `JsonSerializable` interface if 
+default serializer is used.
 
 ```php
 namespace App\Events;
@@ -42,8 +43,9 @@ namespace App\Events;
 use Diffhead\PHP\LaravelRabbitMQ\Event\Broadcast;
 use Diffhead\PHP\LaravelRabbitMQ\Trait\BroadcastEvent;
 use Illuminate\Foundation\Events\Dispatchable;
+use JsonSerializable;
 
-class UserCreated implements Broadcast
+class UserCreated implements Broadcast, JsonSerializable
 {
     use Dispatchable, BroadcastEvent;
 
@@ -83,7 +85,7 @@ customizing concrete event or override this behaviour globally by changing
 following env variables:
 
 * `RABBITMQ_EVENT_CONNECTION=default`
-* `RABBITMQ_EVENT_QUEUE=default`
+* `RABBITMQ_EVENT_QUEUE=`
 * `RABBITMQ_EVENT_EXCHANGE=amq.direct`
 * `RABBITMQ_EVENT_EXCHANGE_TYPE=direct`
 * `RABBITMQ_EVENT_EXCHANGE_IS_DEFAULT=true`

composer.json

@@ -3,7 +3,7 @@
   "description": "A laravel package for events emitting between services using RabbitMQ as message broker.",
   "type": "library",
   "license": "MIT",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "keywords": [
     "laravel", "rabbitmq", "event", "emit", "microservice",
     "pipeline", "data exchanging", "message", "broker", "php8",

config/rabbitmq.php

@@ -35,7 +35,7 @@ return [
          */
         'defaults' => [
             'connection' => env('RABBITMQ_EVENT_CONNECTION', 'default'),
-            'queue' => env('RABBITMQ_EVENT_QUEUE', 'default'),
+            'queue' => env('RABBITMQ_EVENT_QUEUE', ''),
             'exchange' => env('RABBITMQ_EVENT_EXCHANGE', 'amq.direct'),
             'exchange_type' => env('RABBITMQ_EVENT_EXCHANGE_TYPE', 'direct'),
             'exchange_is_default' => (bool) env('RABBITMQ_EVENT_EXCHANGE_IS_DEFAULT', true),

src/Command/Consume.php

@@ -46,27 +46,35 @@ class Consume extends Command
         );
 
         $queue = $this->getQueue($params);
+        $exchange = $this->getExchange($params);
 
-        $this->connection = $connector->connect($config, $queue);
+        $this->connection = $connector->connect($config, $exchange, $queue);
 
         $tag = $params->tag->value() ?? 'rabbitmq-laravel-consumer';
 
         $consumer = function (AMQPMessage $message) use ($handler, $queue, $logger): void {
             try {
-                $this->info(sprintf('Received message: %s', $message->getBody()));
+                $this->info('Received message');
+
+                if ($message->getRoutingKey()) {
+                    $this->info(
+                        sprintf('Routing key: %s', $message->getRoutingKey())
+                    );
+                }
+
+                $this->info($message->getBody());
 
                 $mergedQueue = $this->getMergedQueue($queue, $message);
 
                 $handler->handle($mergedQueue, $message);
                 $message->ack();
 
-                $this->info('Message processed successfully.');
+                $this->info('Message processed');
             } catch (Exception $e) {
                 $message->nack();
 
-                $this->error(
+                $this->error('Error');
-                    sprintf('Processing error: %s', $e->getMessage())
+                $this->error($e->getMessage());
-                );
 
                 $logger->error($e->getMessage());
             }
@@ -89,18 +97,20 @@ class Consume extends Command
 
     private function getQueue(ConsumerParameters $params): Queue
     {
-        $routingKey = $params->routingKey->value() ?? '';
-
         return new Queue(
             name: $params->queue->value() ?? 'default',
-            exchange: new Exchange(
-                name: $params->exchange->value() ?? 'amq.direct',
-                type: $params->exchangeType->value() ?? 'direct',
-                isDefault: $params->exchangeIsDefault->value(),
-                declaration: new ExchangeDeclaration()
-            ),
             declaration: new QueueDeclaration(),
-            bindings: new QueueBindings($routingKey),
+            bindings: new QueueBindings($params->routingKey->toString()),
+        );
+    }
+
+    private function getExchange(ConsumerParameters $params): Exchange
+    {
+        return new Exchange(
+            name: $params->exchange->toString() ?? 'amq.direct',
+            type: $params->exchangeType->toString() ?? 'direct',
+            isDefault: $params->exchangeIsDefault->toBool(),
+            declaration: new ExchangeDeclaration()
         );
     }
 
@@ -108,7 +118,6 @@ class Consume extends Command
     {
         return new Queue(
             name: $queue->name(),
-            exchange: $queue->exchange(),
             declaration: $queue->declaration(),
             bindings: new QueueBindings(
                 routingKey: $message->getRoutingKey(),

src/Event/Broadcast.php

@@ -4,9 +4,7 @@ declare(strict_types=1);
 
 namespace Diffhead\PHP\LaravelRabbitMQ\Event;
 
-use JsonSerializable;
+interface Broadcast
-
-interface Broadcast extends JsonSerializable
 {
     public function getConnection(): string;
     public function getQueue(): string;

src/Listener/PublishEvent.php

@@ -32,29 +32,34 @@ class PublishEvent implements ShouldQueue
     {
         $config = $this->configuration->getConnection($event->getConnection());
 
-        $queue = new Queue(
+        $exchange = new Exchange(
-            name: $event->getQueue(),
+            name: $event->getExchange(),
-            exchange: new Exchange(
+            type: $event->getExchangeType(),
-                name: $event->getExchange(),
+            isDefault: $event->getExchangeIsDefault(),
-                type: $event->getExchangeType(),
+            declaration: new ExchangeDeclaration()
-                isDefault: $event->getExchangeIsDefault(),
-                declaration: new ExchangeDeclaration()
-            ),
-            declaration: new QueueDeclaration(),
-            bindings: new QueueBindings(
-                routingKey: $event->getRoutingKey()
-            ),
         );
 
-        $connection = $this->connector->connect($config, $queue);
+        $queue = null;
+
+        if ($event->getQueue()) {
+            $queue = new Queue(
+                name: $event->getQueue(),
+                declaration: new QueueDeclaration(),
+                bindings: new QueueBindings(
+                    routingKey: $event->getRoutingKey()
+                ),
+            );
+        }
+
+        $connection = $this->connector->connect($config, $exchange, $queue);
 
         try {
             $message = $this->serializer->serialize($event);
 
             $connection->channel()->basic_publish(
                 msg: $message,
-                exchange: $queue->exchange()->name(),
+                exchange: $exchange->name(),
-                routing_key: $queue->bindings()->routingKey(),
+                routing_key: $event->getRoutingKey() ?? '',
             );
         } catch (Exception $e) {
             throw $e;

src/Object/Queue.php

@@ -8,7 +8,6 @@ class Queue
 {
     public function __construct(
         private string $name = 'default',
-        private Exchange $exchange,
         private QueueDeclaration $declaration,
         private QueueBindings $bindings,
     ) {}
@@ -18,11 +17,6 @@ class Queue
         return $this->name;
     }
 
-    public function exchange(): Exchange
-    {
-        return $this->exchange;
-    }
-
     public function declaration(): QueueDeclaration
     {
         return $this->declaration;

src/Service/Connector.php

@@ -6,12 +6,14 @@ namespace Diffhead\PHP\LaravelRabbitMQ\Service;
 
 use Diffhead\PHP\LaravelRabbitMQ\Object\Connection;
 use Diffhead\PHP\LaravelRabbitMQ\Object\ConnectionWithChannel;
+use Diffhead\PHP\LaravelRabbitMQ\Object\Exchange;
 use Diffhead\PHP\LaravelRabbitMQ\Object\Queue;
+use PhpAmqpLib\Channel\AMQPChannel;
 use PhpAmqpLib\Connection\AMQPStreamConnection;
 
 class Connector
 {
-    public function connect(Connection $config, Queue $queue): ConnectionWithChannel
+    public function connect(Connection $config, Exchange $exchange, ?Queue $queue = null): ConnectionWithChannel
     {
         $connection = new AMQPStreamConnection(
             $config->host(),
@@ -23,6 +25,35 @@ class Connector
 
         $channel = $connection->channel();
 
+        $this->declareNotDefaultExchange($channel, $exchange);
+
+        if ($queue) {
+            $this->declareQueue($channel, $queue);
+            $this->bindQueue($channel, $queue, $exchange);
+        }
+
+        return new ConnectionWithChannel($connection, $channel);
+    }
+
+    private function declareNotDefaultExchange(AMQPChannel $channel, Exchange $exchange): void
+    {
+        if (! $exchange->isDefault()) {
+            $channel->exchange_declare(
+                $exchange->name(),
+                $exchange->type(),
+                $exchange->declaration()->passive(),
+                $exchange->declaration()->durable(),
+                $exchange->declaration()->autoDelete(),
+                $exchange->declaration()->internal(),
+                $exchange->declaration()->nowait(),
+                $exchange->declaration()->arguments(),
+                $exchange->declaration()->ticket()
+            );
+        }
+    }
+
+    private function declareQueue(AMQPChannel $channel, Queue $queue): void
+    {
         $channel->queue_declare(
             $queue->name(),
             $queue->declaration()->passive(),
@@ -33,30 +64,17 @@ class Connector
             $queue->declaration()->arguments(),
             $queue->declaration()->ticket()
         );
+    }
 
-        if (! $queue->exchange()->isDefault()) {
+    private function bindQueue(AMQPChannel $channel, Queue $queue, Exchange $exchange): void
-            $channel->exchange_declare(
+    {
-                $queue->exchange()->name(),
-                $queue->exchange()->type(),
-                $queue->exchange()->declaration()->passive(),
-                $queue->exchange()->declaration()->durable(),
-                $queue->exchange()->declaration()->autoDelete(),
-                $queue->exchange()->declaration()->internal(),
-                $queue->exchange()->declaration()->nowait(),
-                $queue->exchange()->declaration()->arguments(),
-                $queue->exchange()->declaration()->ticket()
-            );
-        }
-
         $channel->queue_bind(
             $queue->name(),
-            $queue->exchange()->name(),
+            $exchange->name(),
             $queue->bindings()->routingKey(),
             $queue->bindings()->nowait(),
             $queue->bindings()->arguments(),
             $queue->bindings()->ticket()
         );
-
-        return new ConnectionWithChannel($connection, $channel);
     }
 }

src/Service/Serializer.php

@@ -11,16 +11,16 @@ use PhpAmqpLib\Message\AMQPMessage;
 
 class Serializer implements SerializerInterface
 {
-    public function serialize(object $data): AMQPMessage
+    public function serialize(object $event): AMQPMessage
     {
-        if ($data instanceof JsonSerializable) {
+        if ($event instanceof JsonSerializable) {
             return new AMQPMessage(
-                json_encode($data->jsonSerialize())
+                json_encode($event->jsonSerialize())
             );
         }
 
         throw new InvalidArgumentException(
-            'Data should be an instance of BroadcastEvent'
+            'Event should be an instance of JsonSerializable'
         );
     }
 }