Added bill field to agenda_item.

Author: patcon

app/api/v0/entities.rb

@@ -100,6 +100,7 @@ class AgendaItems < Grape::Entity
       expose :subjects
       expose :classification
       expose :event_related_entities, as: :related_entities, using: EventRelatedEntities
+      expose :bill
     end
 
     class EventParticipants < Grape::Entity

app/models/agenda_item.rb

@@ -8,6 +8,10 @@ class AgendaItem < ActiveRecord::Base
   belongs_to :event
   has_many :event_related_entities
 
+  def bill
+    self.event_related_entities[0]
+  end
+
   def self.votable
     self.where.contains(classification: ['action'])
   end