paulfioravanti/sample_app

# == Schema Information
#
# Table name: relationships
#
#  id          :integer          not null, primary key
#  follower_id :integer          not null
#  followed_id :integer          not null
#  created_at  :datetime         not null
#  updated_at  :datetime         not null
#
# Indexes
#
#  index_relationships_on_followed_id                  (followed_id)
#  index_relationships_on_follower_id                  (follower_id)
#  index_relationships_on_follower_id_and_followed_id  (follower_id,followed_id) UNIQUE
#

class Relationship < ActiveRecord::Base

  attr_accessible :followed_id

  belongs_to :follower, class_name: "User"
  belongs_to :followed, class_name: "User"

  validates :follower, presence: true
  validates :followed, presence: true

  def self.with_users_actively_followed_by(user)
    select(:followed_id).where("follower_id = ?", user)
  end
end