app/models/permission.rb

	permission.rb revision cdb58a323a2a1b4c2191163a6a6772658462c136
fdbad18e66c0e293f94694458d47df305f050c71Christian Maederclass Permission < ActiveRecord::Base
fdbad18e66c0e293f94694458d47df305f050c71Christian Maeder
fdbad18e66c0e293f94694458d47df305f050c71Christian Maeder  # thrown if the last admin/owner tries to remove itself
fdbad18e66c0e293f94694458d47df305f050c71Christian Maeder  class PowerVaccuumError < Exception; end
5214cf3742dc626a7efc5ec851db09bf0ff1f579Christian Maeder
e973af819c2fb17f426944c8c4cfa00de5cd81a1Christian Maeder  belongs_to :subject, :polymorphic => true
b96b500ba4430269d97a08f07de87838278e9c5dChristian Maeder  belongs_to :item, :polymorphic => true
96f7c7a07f939807a52234fde508fac35bd3405bChristian Maeder
e973af819c2fb17f426944c8c4cfa00de5cd81a1Christian Maeder  scope :item, ->(item) {
5214cf3742dc626a7efc5ec851db09bf0ff1f579Christian Maeder    where \
5214cf3742dc626a7efc5ec851db09bf0ff1f579Christian Maeder      item_id:   item.id,
5214cf3742dc626a7efc5ec851db09bf0ff1f579Christian Maeder      item_type: item.class.to_s
  }

  scope :subject, ->(subject) {
    where \
      subject_id:   subject.id,
      subject_type: subject.class.to_s
  }
end