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https://github.com/ndthuan/aws-sqs-wrapper

PHP library for simplified SQS queue messages processing
https://github.com/ndthuan/aws-sqs-wrapper

aws aws-sqs-wrapper php php-library php7 php70 php71 php72 php73 sqs sqs-client sqs-consumer sqs-interface sqs-message sqs-poller sqs-queue sqs-queues

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PHP library for simplified SQS queue messages processing

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# aws-sqs-wrapper
PHP library for simplified SQS queue messages processing.

![Build Status](https://travis-ci.org/ndthuan/aws-sqs-wrapper.svg?branch=master)

## Introduction
- This library converts send/receive/delete SQS messages results into objects. This enables you to utilize code autocompletion without memorizing common attribute names.
- It removes your boilerplate code by introducing simplified send/receive/delete methods.
- It decouples publishing and subscribing responsibilities so that your business logic is free from infrastructure awareness.

## Installation

```bash
composer require ndthuan/aws-sqs-wrapper
```

## Usage

### Sending a message
```php
use Aws\Sqs\SqsClient;
use Ndthuan\AwsSqsWrapper\Publishing\Publisher;
use Ndthuan\AwsSqsWrapper\Queue\Connector;

$queueUrl = ''; // get this from your own AWS SQS setup

// creating a publisher
$sqsClient = new SqsClient(...);
$queueConnector = new Connector($sqsClient, $queueUrl);
$publisher = new Publisher($queueConnector);

// send a string message
$publisher->publishString('My message body');
// or send a json serializable object/array
$myMessage = [
'my' => 'data',
];
$publisher->publishJsonSerializable($myMessage);
```

### Subscribing to a queue
```php
use Aws\Sqs\SqsClient;
use Ndthuan\AwsSqsWrapper\Queue\Connector;
use Ndthuan\AwsSqsWrapper\Queue\ReceivedMessage;
use Ndthuan\AwsSqsWrapper\Queue\ResultMetadata;
use Ndthuan\AwsSqsWrapper\Subscribing\DelegatorSubscriber;

// defining a message processor
class MyMessageProcessor implements MessageProcessorInterface
{
/**
* @inheritdoc
*/
public function processMessage(ReceivedMessage $message, ResultMetadata $resultMetadata)
{
// your processing logic
}
}

$queueUrl = ''; // get this from your own AWS SQS setup

// creating a subscriber
$sqsClient = new SqsClient(...);
$queueConnector = new Connector($sqsClient, $queueUrl);
$subscriber = new DelegatorSubscriber(new MyMessageProcessor(), $queueConnector);

// run the subscriber
$subscriber->pullAndProcessMessages();
```

## Exception handling

A message processor may throw exceptions or errors. Subscriber will react differently depending on exception type:

- On `LogicException` and `ValidationFailureException`: the corresponding message is deleted from queue and the subscriber continues to process other messages.
- On `FatalException`: the corresponding message is not deleted from queue but the subscriber stops processing and bubbles up the exception.
- On other kinds of `\Throwable`: the corresponding message is not deleted from queue and the subscriber continues to process other messages.