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# frozen_string_literal: true
require "active_support/concern"
module Decidim
# A concern with the components needed when you want a model to have a scope.
#
# The including model needs to implement the following interface:
#
# @abstract An instance method that returns the id of the scope
# @method decidim_scope_id
# @return [Integer]
#
# @abstract An instance method that states whether scopes are enabled or not
# @method scopes_enabled
# @return [Boolean]
#
# @abstract An method that gives an associated organization
# @method organization
# @return [Decidim::Organization]
#
module Scopable
extend ActiveSupport::Concern
included do
belongs_to :scope,
foreign_key: "decidim_scope_id",
class_name: "Decidim::Scope",
optional: true
delegate :scopes, to: :organization
validate :scope_belongs_to_organization
end
# Gets the children scopes of the object's scope.
#
# If it's global, returns the organization's top scopes.
#
# Returns an ActiveRecord::Relation.
def subscopes
scope ? scope.children : organization.top_scopes
end
# Whether the resource has subscopes or not.
#
# Returns a boolean.
def has_subscopes?
scopes_enabled && subscopes.any?
end
# Whether the passed subscope is out of the resource's scope.
#
# Returns a boolean
def out_of_scope?(subscope)
scope && !scope.ancestor_of?(subscope)
end
private
def scope_belongs_to_organization
return if !scope || !organization
errors.add(:scope, :invalid) unless organization.scopes.where(id: scope.id).exists?
end
end
end
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28 entries across 28 versions & 1 rubygems