memoize in request

lib/decidim/decidim_awesome/awesome.rb

@@ -5,7 +5,7 @@ module DecidimAwesome
     include ActiveSupport::Configurable
 
     autoload :AwesomeHelpers, "decidim/decidim_awesome/awesome_helpers"
-    autoload :OrganizationMemoizer, "decidim/decidim_awesome/organization_memoizer"
+    autoload :RequestMemoizer, "decidim/decidim_awesome/request_memoizer"
     autoload :Config, "decidim/decidim_awesome/config"
     autoload :SystemChecker, "decidim/decidim_awesome/system_checker"
     autoload :ContextAnalyzers, "decidim/decidim_awesome/context_analyzers"

lib/decidim/decidim_awesome/awesome_helpers.rb

@@ -6,19 +6,15 @@ module Decidim
   # add a global helper with awesome configuration
   module DecidimAwesome
     module AwesomeHelpers
-      include OrganizationMemoizer
+      include RequestMemoizer
 
       # Returns the normalized config for an Organization and the current url
       def awesome_config_instance
-        return @awesome_config_instance if @awesome_config_instance
-
-        # if already created in the middleware, reuse it as it might have additional constraints
-        @awesome_config_instance = request.env["decidim_awesome.current_config"]
-        unless @awesome_config_instance.is_a? Config
-          @awesome_config_instance = Config.new request.env["decidim.current_organization"]
-          @awesome_config_instance.context_from_request request
+        memoize("current_config") do
+          config = Config.new(request.env["decidim.current_organization"])
+          config.context_from_request(request)
+          config
         end
-        @awesome_config_instance
       end
 
       def awesome_config
@@ -100,8 +96,9 @@ def awesome_voting_manifest_for(component)
       # Retrives all the "admins_available_authorizations" for the user along with other possible authorizations
       # returns an instance of Decidim::DecidimAwesome::Authorizator
       def awesome_authorizations_for(user)
-        @awesome_authorizations_for ||= {}
-        @awesome_authorizations_for[user.id] ||= Authorizator.new(user, awesome_config[:admins_available_authorizations])
+        memoize("awesome_authorizations_for_#{user.id}") do
+          Authorizator.new(user, awesome_config[:admins_available_authorizations])
+        end
       end
 
       def version_prefix

lib/decidim/decidim_awesome/engine.rb

@@ -23,11 +23,9 @@ class Engine < ::Rails::Engine
       # https://edgeguides.rubyonrails.org/engines.html#overriding-models-and-controllers
       # overrides
       config.to_prepare do
-        # activate Decidim LayoutHelper for the overriden views
-        ActiveSupport.on_load :action_controller do
-          helper Decidim::DecidimAwesome::AwesomeHelpers
-        end
-        # # Also for cells
+        # Include additional helpers globally
+        ActiveSupport.on_load(:action_view) { include Decidim::DecidimAwesome::AwesomeHelpers }
+        # Also for cells
         Decidim::ViewModel.include(Decidim::DecidimAwesome::AwesomeHelpers)
 
         # Override EtiquetteValidator

lib/decidim/decidim_awesome/request_memoizer.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+module Decidim
+  module DecidimAwesome
+    module RequestMemoizer
+      # memoize a piece of code in the global request instead of the helper instance (helpers are initialized for each view)
+      def memoize(key)
+        return yield unless defined?(request) && request.env["decidim.current_organization"]&.id
+
+        request.env["decidim_awesome.#{key}"] ||= yield
+      end
+    end
+  end
+end