65 lines
2.2 KiB
Ruby
65 lines
2.2 KiB
Ruby
# frozen_string_literal: true
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#
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# Copyright (C) 2014 - 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 VisibilityPluckingHelper
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def self.included(base)
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base.extend(ClassMethods)
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end
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module ClassMethods
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def visible_object_ids_in_course_by_user(column_to_pluck, opts)
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use_global_id = opts.delete(:use_global_id)
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check_args(opts, :user_id)
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vis_hash = {}
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pluck_own_and_user_ids(column_to_pluck, opts).each do |user_id, column_val|
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user_id = Shard.global_id_for(user_id) if use_global_id
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vis_hash[user_id] ||= []
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vis_hash[user_id] << column_val
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end
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# if users have no visibilities add their keys to the hash with an empty array
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vis_hash.reverse_merge!(empty_id_hash(opts[:user_id]))
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end
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def users_with_visibility_by_object_id(column_to_pluck, opts)
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check_args(opts, column_to_pluck)
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vis_hash = {}
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pluck_own_and_user_ids(column_to_pluck, opts).each do |user_id, column_val|
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vis_hash[column_val] ||= []
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vis_hash[column_val] << user_id
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end
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# if assignment/quiz has no users with visibility, add their keys to the hash with an empty array
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vis_hash.reverse_merge!(empty_id_hash(opts[column_to_pluck]))
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end
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def empty_id_hash(ids)
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# [1,2,3] => {1:[],2:[],3:[]}
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Hash[ids.zip(ids.map{[]})]
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end
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def check_args(opts, key)
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# throw error if the the right args aren't given
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[:course_id, key].each{ |k| opts.fetch(k) }
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end
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def pluck_own_and_user_ids(column_to_pluck, opts)
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self.where(opts).pluck(:user_id, column_to_pluck)
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end
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end
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end |