added stuff to support getting the max_score attribute to client via json

ruby/lib/jam_ruby/models/music_session.rb

@@ -2,7 +2,7 @@ module JamRuby
   class MusicSession < ActiveRecord::Base
     self.primary_key = 'id'
 
-    attr_accessor :legal_terms, :skip_genre_validation
+    attr_accessor :legal_terms, :skip_genre_validation, :max_score
     attr_accessible :creator, :description, :musician_access, :approval_required, :fan_chat, :fan_access, :genres
 
     belongs_to :creator, :inverse_of => :music_sessions, :class_name => "JamRuby::User", :foreign_key => "user_id"
@@ -43,6 +43,15 @@ module JamRuby
 
     #default_scope :select => "*, 0 as score"
 
+    def attributes
+      super.merge('max_score' => self.max_score)
+    end
+
+    def max_score
+      nil unless has_attribute?(:max_score)
+      read_attribute(:max_score).to_i
+    end
+
     before_create :create_uuid
     def create_uuid
        #self.id = SecureRandom.uuid

web/app/views/api_music_sessions/show.rabl

@@ -13,7 +13,7 @@ if !current_user
   }
 else
 
-  attributes :id, :description, :musician_access, :approval_required, :fan_access, :fan_chat, :band_id, :user_id, :claimed_recording_initiator_id, :track_changes_counter
+  attributes :id, :description, :musician_access, :approval_required, :fan_access, :fan_chat, :band_id, :user_id, :claimed_recording_initiator_id, :track_changes_counter, :max_score
 
   node :genres do |item|
     item.genres.map(&:description)