class Course < ActiveRecord::Base
  include Redmine::SafeAttributes
  
  attr_accessible :code, :extra, :name, :state, :tea_id, :time , :location
  belongs_to :project, :class_name => 'Project', :foreign_key => :extra
  has_many :bid
  validates_presence_of :code, :time,  :location, :name
  safe_attributes 'extra',
  'time',
  'name',
  'extra',
  'code',
  'location'
 

end