Ruby Rails Design Table

I have a table named OrderingRequest, i am using state_event_machine to
record different state,i have states called order_place and
order_reject,so when i click order_place a dropdown with 3 values should
display and also some other values in drop down should display when i
select order_reject, my question is how to design this order_place and
order_reject data and associate with the my current table.

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