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Helpers outside your view
class ApplicationController
# Provide access to helper methods from outside controllers and views,
# such as in Presenter objects. Rails provides ActionController::Base.helpers,
# but this does not include any of our application helpers.
def self.all_helpers
@all_helpers_proxy ||= begin
# Start with just the rails helpers. This is the same method used
# by ActionController::Base.helpers
proxy = ActionView::Base.new.extend(_helpers)
# url_for depends on _routes method being defined
proxy.instance_eval do
def _routes
Rails.application.routes
end
end
# Import all named path methods
proxy.extend(Rails.application.routes.named_routes.module)
# Load all our application helpers to extend
modules_for_helpers([:all]).each do |mod|
proxy.extend(mod)
end
proxy.instance_eval do
# A hack since this proxy doesn't pick up default_url_options from anywhere
def url_for(*args)
if args.last.is_a?(Hash) && !args.last[:only_path]
args = args.dup
args << args.pop.merge(host: ActionMailer::Base.default_url_options[:host])
end
super(*args)
end
end
proxy
end
end
end
@jcasimir

Nice, was able to wrap this into a module and get it working! https://github.com/jcasimir/draper/blob/untested/lib/draper/all_helpers.rb

Super big thanks!

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