forgeplus/app/models/project_info.rb

# == Schema Information
#
# Table name: project_infos
#
#  id         :integer          not null, primary key
#  project_id :integer
#  user_id    :integer
#  created_at :datetime         not null
#  updated_at :datetime         not null
#

class ProjectInfo < ActiveRecord::Base

  belongs_to :project
  belongs_to :user
  validates_presence_of :project_id, :user_id
  validates_uniqueness_of :project_id, :scope => :user_id

end