app/models/decidim/elections/answer.rb in decidim-elections-0.24.3 vs app/models/decidim/elections/answer.rb in decidim-elections-0.25.0.rc1

@@ -14,17 +14,38 @@
       delegate :organization, :participatory_space, to: :component
 
       belongs_to :question, foreign_key: "decidim_elections_question_id", class_name: "Decidim::Elections::Question", inverse_of: :answers
       has_one :election, through: :question, foreign_key: "decidim_elections_election_id", class_name: "Decidim::Elections::Election"
       has_one :component, through: :election, foreign_key: "decidim_component_id", class_name: "Decidim::Component"
+      has_many :results, foreign_key: "decidim_elections_answer_id", class_name: "Decidim::Elections::Result", dependent: :destroy
 
       default_scope { order(weight: :asc, id: :asc) }
 
       # Public: Get all the proposals related to the answer
       #
       # Returns an ActiveRecord::Relation.
       def proposals
         linked_resources(:proposals, "related_proposals")
+      end
+
+      def slug
+        "answer-#{id}"
+      end
+
+      # Sum all valid results from different origins (PollingStations or BulletinBoard)
+      def results_total
+        @results_total ||= results.valid_answers.sum(:value)
+      end
+
+      # A result percentage relative to the question
+      # Returns a Float.
+      def results_percentage
+        @results_percentage ||= begin
+          return 0 unless results_total.positive?
+
+          result = results_total.to_f / question.results_total * 100.0
+          result.round
+        end
       end
     end
   end
 end