How to open the same object from different methods in controller?

Question

Ruby on Rails

After clicking on 1, a new @result object is created.
After clicking on 2, the same @result object must update some of its parameters.
Click on 3 - the object is saved, go to the results.
Question: how can I open (find) the same object if different methods in the controller are responsible for actions 1, 2, 3?

Answer 1

Sessions

Answer 2

Get familiar with JavaScript.

Answer 3

Follow this path (it's not perfect, but you need something like this): html+css -> js -> ruby ​​-> ROR.
Only after a normal understanding of the previous step, you can proceed to the next one.