event sourcing your react-redux applications

Event-Sourcing yourReact-Redux applicationsMaurice de Beijer - @mauricedb

ROME 24-25 MARCH 2017

Who am I?• Maurice de Beijer• The Problem Solver• Microsoft Azure MVP• Freelance developer/instructor• Twitter: @mauricedb and @React_Tutorial• Web: http://www.TheProblemSolver.nl• E-mail: maurice.de.beijer@gmail.com

(Semi) Structured storage

Database CRUD Server HTTP BrowserReact

A React component to display data

Command Query Responsibility Segregation

Command Query Responsibility Segregation

Database

Query Service HTTPBrowser

React

Command Service

HTTP

Read

Update

The JavaScript command

A Redux Action Creator

Event Sourcing

Projections

Database

Query Service HTTP

BrowserReact

Command Service

HTTP

Read

Update

EventsDatabase

Projector Service

Event Pushing

ProjectionsDatabase

Query Service HTTP

BrowserReact

Command Service

HTTP

Read

UpdateEventsDatabase

Projector Service

Push Service

Web So

cket

The permit drafted event

Projecting a permit drafted event

React with Redux

View

Server

Store

ActionAPITriggers

HTTPUse

Notifies

Updates

Socket

The permit collection reducer

The single permit reducer

The React application startup

Connecting the state to the component

Maurice de Beijer - @mauricedb