43 lines
1.5 KiB
Ruby
43 lines
1.5 KiB
Ruby
#
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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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class AddContextToContentExports < ActiveRecord::Migration[4.2]
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tag :predeploy
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def self.up
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add_column :content_exports, :context_type, :string
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add_column :content_exports, :context_id, :integer, :limit => 8
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remove_foreign_key :content_exports, :courses
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change_column_default :content_exports, :context_type, 'Course'
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while ContentExport.where("context_id IS NULL AND course_id IS NOT NULL").limit(1000).
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update_all("context_id = course_id, context_type = 'Course'") > 0; end
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end
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def self.down
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while ContentExport.where("course_id IS NULL AND context_id IS NOT NULL AND context_type = ?", "Course").
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limit(1000).update_all("course_id = context_id") > 0; end
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add_foreign_key :content_exports, :courses
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remove_column :content_exports, :context_type
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remove_column :content_exports, :context_id
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end
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end
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