90 lines
3.2 KiB
Ruby
90 lines
3.2 KiB
Ruby
# frozen_string_literal: true
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#
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# Copyright (C) 2012 - present Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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module LearningOutcomeContext
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def self.included(klass)
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if klass < ActiveRecord::Base
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klass.has_many :learning_outcome_links, -> { where("content_tags.tag_type='learning_outcome_association' AND content_tags.workflow_state<>'deleted'") }, as: :context, inverse_of: :context, class_name: "ContentTag"
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klass.has_many :linked_learning_outcomes, -> { distinct.where(content_tags: { content_type: "LearningOutcome" }) }, through: :learning_outcome_links, source: :learning_outcome_content
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klass.has_many :created_learning_outcomes, class_name: "LearningOutcome", as: :context, inverse_of: :context
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klass.has_many :learning_outcome_groups, as: :context, inverse_of: :context
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klass.include InstanceMethods
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klass.after_save :update_root_outcome_group_name, if: -> { saved_change_to_name? }
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end
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end
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module InstanceMethods
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# create a shim for plugins that use the old association name. this is
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# TEMPORARY. the plugins should update to use the new association name, and
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# once they're updated, this shim removed. DO NOT USE in new code.
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def learning_outcomes
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created_learning_outcomes
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end
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# return the outcome but only if it's available in either the context or one
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# of the context's associated accounts.
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def available_outcome(outcome_id, opts = {})
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if opts[:allow_global]
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outcome = LearningOutcome.global.where(id: outcome_id).first
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return outcome if outcome
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end
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outcome =
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linked_learning_outcomes.where(id: outcome_id).first ||
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created_learning_outcomes.where(id: outcome_id).first
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return outcome if outcome
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unless opts[:recurse] == false
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(associated_accounts.uniq - [self]).each do |context|
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outcome = context.available_outcome(outcome_id, recurse: false)
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return outcome if outcome
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end
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end
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nil
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end
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def available_outcomes
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[self, *associated_accounts].uniq.map do |context|
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[context.linked_learning_outcomes, context.created_learning_outcomes.active]
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end.flatten.uniq
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end
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def has_outcomes?
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Rails.cache.fetch(["has_outcomes", self].cache_key) do
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linked_learning_outcomes.exists?
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end
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end
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def root_outcome_group(force = true)
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LearningOutcomeGroup.find_or_create_root(self, force)
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end
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def update_root_outcome_group_name
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root = root_outcome_group(false)
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return unless root
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self.class.connection.after_transaction_commit do
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root.update! title: name
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end
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end
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end
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end
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