event-sourcing-poc

An event sourcing/CQRS POC using systemic

Architecture diagram

Usage

Start the service by doing

npm install
npm run docker
npm run start

You will need Docker running in your machine.

If you then go to http://localhost:4000/api-docs you should see a swagger UI showing the available endpoints.

Tests

You can test the two available APIs with the following HTTP requests:

Book API

Create a book

curl -X POST -H "Content-Type: application/json" -d '{"title":"Event sourcing & CQRS", "author": { "id": "1", "name": "Felipe Polo" }, "id": "1"}' http://localhost:4000/api/v1/books

Update a book multiple times

curl -X PUT -H "Content-Type: application/json" -d '{"title":"Event sourcing & CQRS", "author": { "id": "1", "name": "Felipe Polo" }, "id": "1"}' http://localhost:4000/api/v1/books/1

curl -X PUT -H "Content-Type: application/json" -d '{"title":"Event sourcing & CQRS", "author": { "id": "1", "name": "Felipe Polo" }, "location": "Madrid", "id": "1"}' http://localhost:4000/api/v1/books/1

curl -X PUT -H "Content-Type: application/json" -d '{"title":"Event sourcing & CQRS", "author": { "id": "1", "name": "Felipe Polo" }, "location": "Caceres", "id": "1"}' http://localhost:4000/api/v1/books/1

Reindex all book commands

curl -X POST http://localhost:4000/api/v1/books/reindex

Get a book

curl -X GET http://localhost:4000/api/v1/books/1

Paragraph API

Create a paragraph on a book

curl -X POST -H "Content-Type: application/json" -d '{"title":"My paragraph", "text": "bla bla bla"}' http://localhost:4000/api/v1/books/1/paragraphs

Author API

Get an author

curl -X GET http://localhost:4000/api/v1/authors/1