Volunteers, positions and days and volunteers list for admin, volunteering option for attendees

app/models/vposition.rb

@@ -0,0 +1,10 @@
+class Vposition < ActiveRecord::Base
+  attr_accessible :title, :description, :date, :vday_ids
+
+  belongs_to :conference
+
+  has_many :vchoices
+  has_many :vdays, :through => :vchoices
+
+  validates_presence_of :title, :vdays
+end