Some of my application's controllers are a blend of modules from other people's Rubygems, such as ShopifyApp library. They inject before and after action filters around my actions. Sometimes they abort the request and redirect somewhere else. I wanted to know what filters were being invoked and in what order:
class ProductsController < AuthenticatedController def index __callbacks[:process_action].map { |c| [c.kind, c.instance_variable_get(:"@key")] } end end The output was like:
[ [:around, 82000], [:before, :set_shop_host], [:before, :redirect_to_splash_page], [:before, :set_locale], [:after, :set_test_cookie], [:before, :verify_authenticity_token], [:after, :verify_same_origin_request], [:after, :set_esdk_headers], [:before, :login_again_if_different_user_or_shop], [:around, :activate_shopify_session], [:before, :set_shop_origin] ] 
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