app/models/permission.rb

	permission.rb revision c622fbf3120c732e74ab43bb0457388b477e6898
98N/Aclass Permission < ActiveRecord::Base
98N/A
1246N/A  ROLES = %w(owner editor)
98N/A
98N/A  # thrown if the last admin/owner tries to remove itself
919N/A  class PowerVaccuumError < Exception; end
919N/A
919N/A  attr_accessible :subject, :subject_id, :subject_type, :role
919N/A
919N/A  belongs_to :subject, :polymorphic => true
919N/A  belongs_to :item, :polymorphic => true
919N/A  belongs_to :creator, :class_name => 'User'
919N/A
919N/A  validates_inclusion_of :role, :in => ROLES
919N/A
919N/A  scope :item, ->(item) {
919N/A    where \
919N/A      item_id:   item.id,
919N/A      item_type: item.class.to_s
919N/A  }
919N/A
919N/A  scope :subject, ->(subject) {
98N/A    where \
98N/A      subject_id:   subject.id,
98N/A      subject_type: subject.class.to_s
98N/A  }
810N/A
810N/A  scope :role, ->(role) { where :role => role }
810N/A  scope :owner, role(:owner)
810N/A  scope :editor, role(:editor)
354N/A
354N/Aend
354N/A