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generate_orders

This worker creates both fulfillment and purchase orders periodically.

How often and how many

It produces about 150 orders total every minute and it creates more puchase orders than fulfillment orders overtime. Sometimes it creates more fulfillment orders in one period.

Development Setup

Requirements

  • Heroku connect
  • Heroku Postgres add-on
  • Redis add-on

Nodejs setup

npm install

Environment variables

You can find the most of these variables on Salesforce

Development Server

node index.js

How to start/stop/reset order creation process

By default, it's stopped. The worker is subscribing to Redis and you can send a command to channel generate_orders.

command takes start, stop, or reset.

The format is:

{
  type: 'command',
  value: '{start|stop|reset}''
}
  • start starts making new orders
  • stop stops the process
  • reset also stops the process then starts deleting all rows.

User interface

You can run viz and go to /ordercontrol and you will see three buttons with start, stop, and delete all(reset). By pressing these buttons, you can send commands to this woker. There is a status text you can see to know what it's doing.

Configuration

You can find the config files under generate_orders/config.

  • CATEGORY_LIST List of categories for orders

  • ORDER_INTERVAL This value defines how often orders are created

  • ORDER_QUANTITY This value defines the base amount of orders to create for each categories

  • ORDER_QUANTITY_RANDOMNESS A random number is generated from 0 to this value and it's either added or subtracted from the base value when order is made.

  • FULFILLMENT_ORDER_MULTIPLY When a fulfillment order is created, its amount will be multiplied by this value

  • FULFILLMENT_ORDER_RATIO This value defines how often a fulfillment order is created. For example, if this value is 5, then it's created about 1 in 5 times.

  • FULFILLMENT_ORDER_TYPE The name of the fulfilment order type

  • PURCHASE_ORDER_TYPE The name of the purchase order type

  • REDIS_CHANNEL The name of the redis channel

Logs shows the current state of the worker

The logs section of the Heroku dashboard should show what this worker is doing in detail. The worker's name is order_maker in the log. If you want to test this worker, open this log and the UI.