Implement Event Ratings

lib/tasks/migrate_votes.rake

@@ -0,0 +1,20 @@
+namespace :votes do
+  desc 'Migrate old votes to new voting system'
+  task migrate: :environment do
+    ActiveRecord::Base.transaction do
+      Conference.all.each do |conf|
+        VotableField.create(title: 'Overall', conference_id: conf.id, for_admin: true, stars: conf.program.rating, votable_type: 'Event')
+        Event.all.each do |event|
+          votes     = Vote.where(event_id: event.id)
+          break unless votes.present?
+          avg_votes = votes.pluck(:rating).sum / votes.count
+          votes.each do |vote|
+            Rate.create(dimension: 'Overall', rater_id: vote.user_id, rateable_type: 'Event', stars: vote.rating, rateable_id: event.id )
+          end
+          RatingCache.create(cacheable_id: event.id, cacheable_type: 'Event', avg: avg_votes, qty: votes.count, dimension: 'Overall')
+        end
+      end
+    end
+  puts 'All done!'
+  end
+end