add decorators; add scope to current_user to rails app that use devis…

…e with another scoped

.gitignore

@@ -1,5 +1,7 @@
 *.gem
 *.rbc
+.DS_Store
+**/*/.DS_Store
 .bundle
 .config
 .yardoc

README.md

@@ -62,6 +62,19 @@ Typical implementation would be:
 If you are using authentication gems like devise, you get `current_user` for free
 and you don't have to define it.
 
+### Override
+
+Override path to redirect after answer the survey
+
+```ruby
+# my_app/app/decorators/controllers/rapidfire/answer_groups_controller_decorator.rb
+Rapidfire::AnswerGroupsController.class_eval do
+  def after_answer_path_for
+    main_app.root_path
+  end
+end
+```
+
 ### Routes Information
 Once this gem is mounted on, say at 'rapidfire', it generates several routes
 You can see them by running `bundle exec rake routes`.

app/controllers/rapidfire/application_controller.rb

@@ -7,5 +7,15 @@ def authenticate_administrator!
         raise Rapidfire::AccessDenied.new("cannot administer questions")
       end
     end
+
+    # Override prefixes to consider the scoped.
+    # for method current_user
+    def scoped
+      :user
+    end
+
+    def current_user
+      send 'current_'+scoped.to_s
+    end
   end
 end

app/controllers/rapidfire/attempts_controller.rb

@@ -10,13 +10,14 @@ def create
       @attempt_builder = AttemptBuilder.new(attempt_params)
 
       if @attempt_builder.save
-        redirect_to surveys_path
+        redirect_to after_answer_path_for
       else
         render :new
       end
     end
 
     private
+
     def find_survey!
       @survey = Survey.find(params[:survey_id])
     end
@@ -25,5 +26,21 @@ def attempt_params
       answer_params = { params: (params[:attempt] || {}) }
       answer_params.merge(user: current_user, survey: @survey)
     end
+
+    # Override path to redirect after answer the survey
+    # Write:
+    #   # my_app/app/decorators/controllers/rapidfire/answer_groups_controller_decorator.rb
+    #   Rapidfire::AnswerGroupsController.class_eval do
+    #     def after_answer_path_for
+    #       main_app.root_path
+    #     end
+    #   end
+    def after_answer_path_for
+      question_groups_path
+    end
+
+    def rapidfire_current_scoped
+      send 'current_'+scoped.to_s
+    end
   end
 end

lib/rapidfire/engine.rb

@@ -2,6 +2,13 @@
 
 module Rapidfire
   class Engine < ::Rails::Engine
+    # engine_name 'rapidfire'
     isolate_namespace Rapidfire
+
+    config.to_prepare do
+      Dir.glob(Rails.root + "app/decorators/**/*_decorator*.rb").each do |c|
+        require_dependency(c)
+      end
+    end
   end
 end