reversed questions

app/models/attempt.rb

@@ -51,7 +51,7 @@ class Attempt < ApplicationRecord
 
   def response
     return 'No Answer Yet' if answer_index.blank?
-    question.options[answer_index - 1]
+    question.options[answer_index_with_reverse - 1]
   end
 
   def save_response(answer_index: nil, twilio_details: nil, responded_at: Time.new)
@@ -66,6 +66,11 @@ class Attempt < ApplicationRecord
     end
   end
 
+  def answer_index_with_reverse
+    return 5 - answer_index if question.reverse?
+    return answer_index
+  end
+
   private
 
     def update_school_categories

app/models/question.rb

@@ -40,9 +40,9 @@ class Question < ApplicationRecord
     school_responses = attempts.for_school(school).with_answer.order(id: :asc)
     return unless school_responses.present?
 
-    response_answer_total = school_responses.inject(0) { |total, response| total + response.answer_index }
+    response_answer_total = school_responses.inject(0) { |total, response| total + response.answer_index_with_reverse }
+    histogram = school_responses.group_by(&:answer_index_with_reverse)
 
-    histogram = school_responses.group_by(&:answer_index)
     most_popular_answer_index = histogram.to_a.sort_by { |info| info[1].length }.last[0]
     most_popular_answer = send("option#{most_popular_answer_index}")
 

app/models/school_category.rb

@@ -19,7 +19,7 @@ class SchoolCategory < ApplicationRecord
       for_school(school).
       select('count(attempts.id) as attempt_count').
       select('count(attempts.answer_index) as response_count').
-      select('sum(attempts.answer_index) as answer_index_total')[0]
+      select('sum(case when questions.reverse then 5 - attempts.answer_index else attempts.answer_index end) as answer_index_total')[0]
 
     return {
       attempt_count: attempt_data.attempt_count || 0,

app/views/questions/_question.html.haml

@@ -35,4 +35,4 @@
         = render 'shared/histogram', data: aggregated_responses
 
       %p.collapse{id: "raw-data#{question.id}"}
-        = aggregated_responses.responses.map(&:answer_index).join(', ')
+        = aggregated_responses.responses.map(&:answer_index_with_reverse).join(', ')

app/views/recipients/show.html.haml

@@ -76,4 +76,4 @@
         %td
           = attempt.sent_at.strftime('%x') if attempt.sent_at.present?
         %td= link_to truncate(attempt.question.text, length: 60), [@school, attempt.question], title: attempt.question.text
-        %td= "(#{attempt.answer_index}) #{attempt.response}"
+        %td= "(#{attempt.answer_index_with_reverse}) #{attempt.response}"

app/views/shared/_histogram.html.haml

@@ -1,4 +1,4 @@
-- histogram = data.responses.map(&:answer_index).group_by { |a| a.to_s }
+- histogram = data.responses.map(&:answer_index_with_reverse).group_by { |a| a.to_s }
 %table.answers
   %tbody
     - data.question.options.each_with_index do |option, index|

db/migrate/20171028181758_add_reverse_to_questions.rb

@@ -0,0 +1,5 @@
+class AddReverseToQuestions < ActiveRecord::Migration[5.0]
+  def change
+    add_column :questions, :reverse, :boolean, default: false
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170418173141) do
+ActiveRecord::Schema.define(version: 20171028181758) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -72,6 +72,7 @@ ActiveRecord::Schema.define(version: 20170418173141) do
     t.datetime "updated_at",                             null: false
     t.integer  "target_group",           default: 0
     t.boolean  "for_recipient_students", default: false
+    t.boolean  "reverse",                default: false
   end
 
   create_table "recipient_lists", force: :cascade do |t|