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Contents
module Pageflow
class Membership < ActiveRecord::Base
belongs_to :user
belongs_to :entity, polymorphic: true
belongs_to :entry,
-> { where(pageflow_memberships: {entity_type: 'Pageflow::Entry'}) },
foreign_key: 'entity_id'
belongs_to :account,
-> { where(pageflow_memberships: {entity_type: 'Pageflow::Account'}) },
foreign_key: 'entity_id'
validates :user, :entity, :role, presence: true
validates :user_id, uniqueness: {scope: [:entity_type, :entity_id]}
validate :account_membership_exists, if: :on_entry?
validates :role,
inclusion: {in: %w(previewer editor publisher manager)},
if: :on_entry?
validates :role,
inclusion: {in: %w(member previewer editor publisher manager)},
if: :on_account?
scope :on_entries, -> { where(entity_type: 'Pageflow::Entry') }
scope :on_accounts, -> { where(entity_type: 'Pageflow::Account') }
scope :as_manager, -> { where(role: :manager) }
scope :as_publisher_or_above, -> { where(role: %w(publisher manager)) }
scope :as_previewer_or_above, -> { where(role: %w(previewer editor publisher manager)) }
after_create do
entity.increment!(:users_count)
end
after_destroy do
entity.decrement!(:users_count)
end
private
def account_membership_exists
unless user.accounts.include?(entity.account)
errors[:base] << 'Entry Membership misses presupposed Membership on account of entry'
end
end
def on_entry?
entity_type == 'Pageflow::Entry'
end
def on_account?
entity_type == 'Pageflow::Account'
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems