zypeh / setel-practice

Setel Interview Challange

Is okay bro... they ghosted me after I submitted this repo anyway.

Notes

• We are using embedded persistent memory instead of using ORM and database. So the content will be flushed away when the node instance get terminated.

• After 10 seconds the confirmed order will be set to 'DELIVERED' state using Nodejs eventloop mechanism -- setTimeout will register the tasklet to eventloop and loop until it reached the time.

But in real world there are message queues and other solution to get this job right.

• The payment app will randomly reject your order. (like 50/50 percent change you will get unsuccessful order create; if you can't create an order, don't worry)

API

1. To create an order

{
    "id": "123"
}

2. To check order

GET http://localhost:3000/order/:order_id

where order_id is the id of the order

3. To cancelled an order

{
    "id": "123"
}

This operation will success if it is not set to 'DELIVERED' state

Run this thing

cd order-app
yarn
yarn start

In another shell:

cd payment-app
yarn
yarn start