agenda-libre-ruby/app/controllers/application_controller.rb

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# The top level controller, where can be centralised almost everything
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class ApplicationController < ActionController::Base
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before_action :set_paper_trail_whodunnit, :discard
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# Prevent CSRF attacks by raising an exception.
# For APIs, you may want to use :null_session instead.
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protect_from_forgery prepend: true, with: :exception
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preserve :region, :tag, :near
layout :handle_xhr_layout
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private
def set_locale
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I18n.locale =
http_accept_language.compatible_language_from I18n.available_locales
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end
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# Mechanism to manage filter resets
def discard
params.keys.keep_if { |key| params[key].empty? }
.each { |key| session.delete ['application', key].join '_' }
end
protected
# Useful to manage absolute url in mails
def set_mailer_host
ActionMailer::Base.default_url_options[:host] = request.host_with_port
end
# If the request is an xhr, we don't render any layout
def handle_xhr_layout
request.xhr? ? false : 'application'
end
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end