canvas-lms/lib/rubric_context.rb

50 lines
1.7 KiB
Ruby

#
# Copyright (C) 2013 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
module RubricContext
def self.included(klass)
if klass < ActiveRecord::Base
klass.has_many :rubrics, :as => :context, :inverse_of => :context
klass.has_many :rubric_associations, -> { preload(:rubric) }, as: :context, inverse_of: :context, dependent: :destroy
klass.send :include, InstanceMethods
end
end
module InstanceMethods
# return the rubric but only if it's available in either the context or one
# of the context's associated accounts.
def available_rubric(rubric_id, opts={})
outcome = rubrics.where(id: rubric_id).first
return outcome if outcome
unless opts[:recurse] == false
(associated_accounts.uniq - [self]).each do |context|
rubric = context.available_rubric(rubric_id, :recurse => false)
return rubric if rubric
end
end
return nil
end
def available_rubrics
[self, *associated_accounts].uniq.map do |context|
[context.rubrics]
end.flatten.uniq
end
end
end