prooph-saga-playground

Small CLI application to introduce Saga pattern. It reflects the business process of making a reservation. It uses message driven approach (see ProcessManager section). Prooph/service-bus was used for handling messages (commands, domain events).

Inspired by:

• Modeling complex processes and time with Saga pattern talk by Mariusz Gil performed on 2017.phpce conference
• Saga on sagas section from a book "Exploring CQRS and Event Sourcing"
• broadway/broadway-saga nice repo with saga implementation

Requirements

non-docker:

• PHP 7.1 or later, composer

docker:

• Make and Docker

Installation (non-docker):

• git clone [email protected]:lzakrzewski/prooph-saga-playground.git
• cd prooph-saga-playground && composer install

Usage

non-docker:

• bin/console prooph:saga:playground

docker:

• make playground (with docker installation step might be skipped)

Example output

ProcessManager

It can handle two scenarios. When everything is fine then OrderProcessManager dispatches OrderConfirmed event and process ends. If there is not enough seats available then OrderProcessManager dispatches AddSeatsToWaitList command.

happy-path:

unhappy-path: