Software Público Brasileiro

class Vote < ActiveRecord::Base

  scope :for_voter, -> *args {
    where "voter_id = ? AND voter_type = ?", args.first.id, args.first.class.base_class.name
  }
  scope :for_voteable, -> *args {
    where "voteable_id = ? AND voteable_type = ?", args.first.id, args.first.class.base_class.name
  }
  scope :recent, -> *args {
    where "created_at > ?", (args.first || 2.weeks.ago).to_s(:db)
  }
  scope :descending, -> { order "created_at DESC" }

  # NOTE: Votes belong to the "voteable" interface, and also to voters
  belongs_to :voteable, :polymorphic => true
  belongs_to :voter,    :polymorphic => true

  attr_accessible :vote, :voter, :voteable

  # Uncomment this to limit users to a single vote on each item.
  #validates_uniqueness_of :voteable_id, :scope => [:voteable_type, :voter_type, :voter_id]

end