Model/process level states and engineering them, like AASM (ruby)

[sanjarcode]

Why + what?
Consider the example of an Ecommerce store, the general buy process has the following steps:
Place order -> Pay -> Dispatch -> *transition from warehouses -> arrive at local warehouse -> out for delivery -> delivered -> cancel/return? -> refund?

A lot is going on here. I have of courses omitted multiple possible states at each point.

Checkout:

• https://github.com/aasm/aasm - for Ruby, mentioning here because it is a popular library
• https://dev.to/davidkpiano/you-don-t-need-a-library-for-state-machines-k7h
• https://statecharts.dev/
• SCXML - https://www.w3.org/TR/scxml/