52 lines
2.0 KiB
Ruby
52 lines
2.0 KiB
Ruby
# frozen_string_literal: true
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#
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# Copyright (C) 2015 - 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 BrandConfigHelpers
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def branding_allowed?
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root_account? || root_account.sub_account_includes?
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end
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def effective_brand_config
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shard_id, md5 = Rails.cache.fetch_with_batched_keys("effective_brand_config_ids", batch_object: self, batched_keys: [:account_chain, :brand_config]) do
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branded_account = brand_config_chain(include_self: true).select(&:branding_allowed?).find(&:brand_config_md5)
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[branded_account&.shard&.id, branded_account&.brand_config_md5]
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end
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return nil unless md5
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BrandConfig.find_cached_by_md5(shard_id, md5)
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end
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def first_parent_brand_config
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brand_config_chain(include_self: false).find(&:brand_config_md5).try(:brand_config)
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end
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private
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def brand_config_chain(include_self:)
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# It would be surprising to legacy consortia to have theme settings inherit
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# even though that would be the more correct behavior given the general
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# conecept of account chains, so explicitly tack site admin onto the chain
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# so we always inherit from siteadmin even if we don't want consortia parents
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chain = account_chain(include_federated_parent: !root_account.primary_settings_root_account?).dup
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chain << Account.site_admin unless chain.include?(Account.site_admin)
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chain.shift unless include_self
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chain
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end
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end
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