For a Ruby on Rails project, i have to implement two different methods to check if the sender of a request has the rights to access, depending on the "Accept"- header. I located the check in the Application controller and use before_action to call it from different controllers. Knowing that Rails has a way to treat different "Accept"-types, I want do do the following:
class ApplicationController < ActionController::Base
#my function to test, if the sender can access
def authenticate
respond_to do |format|
format.json {
#do the test for an API request
}
format.html {
#do the test for a HTML website request
}
end
end
end
Since my respond_to won't always call a redirect_to or render (if the sender has access, another controller method will be executed), I'm wondering, if I can still use it like this. Or should I analyse the headers instead?
The point of respond_to is to do different things based on the type of request (HTML, JS, JSON, etc.): therefore, it doesn't matter if you need redirect_to or render.
If you have to change the behavior of your method based on which type of request you receive, feel free to use it; if the behavior would be the same regardless, respond_to is unnecessary.
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