Model Code for Track (post)

Track.rb

class Track < ActiveRecord::Base
  acts_as_taggable

  include PgSearch
  pg_search_scope :search_by_title, :against => :title  #:using => [:tsearch => {:prefix => true}], #:trigram, :dmetaphone]

  pg_search_scope :search_by_weight,
    :against => {
      :title => 'B', 
      :description => 'C'
    },
    :associated_against => {
      :tags => [:name]
    },
  :using => [:tsearch] #, :trigram, :dmetaphone]

  belongs_to :author, :class_name => "User", :foreign_key => "author_id"

  has_many :track_users
  has_many :users, :through => :track_users 

#  attr_accessible :title, :category, :difficulty, :description, :missions_attributes, :author_id


  has_many :missions, :order => "position ASC", :dependent => :destroy
  accepts_nested_attributes_for :missions, :allow_destroy => true
  
  has_many :track_comments, :dependent => :destroy

  mount_uploader :image, TrackImageUploader
  acts_as_voteable

  #validates :author_id, :presence => true
  #validates :title,   :presence => true
  #validates :description,   :presence => true
  #validates :difficulty,   :presence => true
  #validates :intendedtime,   :presence => true

  DIFFICULTIES = ['Beginner', 'Medium', 'Advanced']
  CATEGORIES = ['Technology and Internet', 'Creative Arts and Music', 'Academics and Test Prep', 'Business and Professional', 'Sports and Health', 'Language', 'Game', 'Lifestyle', 'Other']
  SORT = ['Top','Recent']

end