How to set in a middleware a variable accessible in all my application?
You can use 'env' for that. So in your middleware you do this:
def call(env) env['account'] = Account.find(1) @app.call(env)endYou can get the value by using 'request' in your app:
request.env['account']And please don't use global variables or class attributes as some people suggest here. That's a sure way to get yourself into troubles and really is a bad habit.
I don't know if this can be done with a Middelware. My suggestion would be this:
class ApplicationController < ActionController::Base protect_from_forgery before_filter :set_my_varprivate def set_my_var @account ||= Account.find(1) endendThis way all your controllers and views have access to @account
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.