How to set in a middleware a variable accessible in all my application?

Question

I am using Ruby on Rails 3 and I am trying to use middlewares in order to set a variable @variable_name accessible later in controllers.

For example my midd

Answer 1

You can have a cattr_accessor :my_var in any model and set this variable from middleware by

  MyModel.my_var = 'something'

And you can access this anywhere in the application.