Add surveys; custom generated by admins

Available during registration or after conference

Co-authored-by: Shyukri <shshyukriev@suse.com>
Co-authored-by: Henne <hvogel@opensuse.org>
Co-authored-by: Moises <mdeniz@suse.com>

app/controllers/admin/surveys_controller.rb

@@ -0,0 +1,48 @@
+module Admin
+  class SurveysController < Admin::BaseController
+    load_and_authorize_resource :conference, find_by: :short_title
+    load_and_authorize_resource
+
+    def index
+      @surveys = @conference.surveys
+    end
+
+    def new
+      @survey = Survey.new(survey_params)
+      @url = admin_conference_surveys_path(@conference.short_title)
+    end
+
+    def create
+      @survey = Survey.new(survey_params)
+      if @survey.save
+        redirect_to new_admin_conference_survey_survey_question_path(@conference.short_title, @survey), notice: 'Successfully created survey'
+      else
+        redirect_to new_admin_conference_survey_survey_question_path(@conference.short_title, @survey), error: 'Could not create survey.' + @survey.errors.full_messates.to_sentence
+      end
+    end
+
+    def edit
+      @url = admin_conference_survey_path(@conference.short_title, @survey)
+    end
+
+    def update
+      if @survey.update_attributes(survey_params)
+        redirect_to admin_conference_surveys_path(@conference.short_title)
+      else
+        @url = admin_conference_survey_path(@conference.short_title, @survey)
+        render action: :edit
+      end
+    end
+
+    def destroy
+      @survey.destroy
+      redirect_to admin_conference_surveys_path(@conference.short_title)
+    end
+
+    private
+
+    def survey_params
+      params.require(:survey).permit(:title, :description, :target, :start_date, :end_date, :surveyable_type, :surveyable_id)
+    end
+  end
+end