Added new methods to Poll question and Poll answers

app/models/poll/question.rb

@@ -60,4 +60,8 @@ class Poll::Question < ActiveRecord::Base
     where(poll_id: Poll.answerable_by(user).pluck(:id))
   end
 
+  def answers_total_votes
+    question_answers.map { |a| Poll::Answer.where(question_id: self, answer: a.title).count }.sum
+  end
+
 end

app/models/poll/question/answer.rb

@@ -31,4 +31,18 @@ class Poll::Question::Answer < ActiveRecord::Base
   def self.last_position(question_id)
     where(question_id: question_id).maximum('given_order') || 0
   end
+
+  def total_votes
+    Poll::Answer.where(question_id: question, answer: title).count
+  end
+
+  def is_winner?
+    answers = question.question_answers
+                  .map { |a| Poll::Answer.where(question_id: a.question, answer: a.title).count }
+    !answers.any?{ |a| a > total_votes }
+  end
+
+  def total_votes_percentage
+    ((total_votes*100) / question.answers_total_votes).round(2)
+  end
 end