[rspec-users] Design Pattern proposal for better Rails development

[Fernando Perez]

> Hmmm, could you make a helper module and mix that into all three
> controllers?  Then there'd be just one place to change it.
> 
Can you be more descriptive?

Let's say I have:

def show
  Subscription.find_if_purchased
  ...
end

def update
  Subscription.find_if_purchased
  ...
end


Now if I change the method name to find_if_subscribed in the model, then 
necessarily I will have to change it twice in my controller, well I 
could use a before_filter, but what if the method is also called in 
other controllers? That's the main problem. How would you do that?
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