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MariaBundle

What is MariaBundle

Maria is a simple and flexible business rule engine that you can integrate easily into your Symfony applications through Bundle mechanism. It allows taking an action based on the rules when the input data matched. You can trigger Maria by a trigger event you defined. It checks the input argument which comes through the trigger event by the rules and invokes the action handler when matching occurred. Action handlers might be a class or a reference that points to a service definition in the dependency injection system. So you can communicate with other Symfony components easily through action handlers on Maria scenarios.

Installation

You can install Maria through composer

Add the bundle class to the bundle list by your Symfony version:

For Symfony 3.x users:

AppKernel.php

For Symfony >= 4 users:

config/bundles.php

Configuration Reference

See Also

• Iterable Matchers
• Arithmetic And Logic Operators

Example Usage

Define the following configuration into config/packages/maria.yaml

Create a handler class in order to take an action to give free shipment

Trigger Maria where you updated cart in the project.

Working In Asynchronous Way

Maria does not provide a way to invoke action handlers as asynchronous. However, you can make action handlers asynchronous easily by using other third-parties like RabbitMqBundle or built-in Symfony components like Messenger You can make your action handler asynchronous by following the steps below:

Important Notice: We strongly recommend to follow the installation steps from rabbitmq-bundle repository: https://github.com/php-amqplib/RabbitMqBundle

Install RabbitMqBundle

Add the bundle class to bundle the bundle list in the project:

For Symfony 3.x users:

AppKernel.php

For Symfony >= 4 users:

config/bundles.php

Configure the RabbitMq bundle.

And.. say maria, use email_producer as an action handler.

Enjoy!

TODO:

• Moving the scenario rules into different type of storage providers such as in_memory or doctrine
• Validation improvement for configuration.

License:

You can access the license documentation here.

Credits:

Bundles structure, extension tests and the documentation partially inspired RabbitMqBundle.