43 lines
1.9 KiB
Ruby
43 lines
1.9 KiB
Ruby
#
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# Copyright (C) 2020 - 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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#
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class CreateNotificationPolicyOverrides < ActiveRecord::Migration[5.2]
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tag :predeploy
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def change
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create_table :notification_policy_overrides do |t|
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t.belongs_to :context, polymorphic: { default: 'Course' },
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limit: 8, null: false, index: { name: 'index_notification_policy_overrides_on_context' }
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t.belongs_to :communication_channel, null: false, foreign_key: true
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t.belongs_to :notification, index: true
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t.string :workflow_state, default: 'active', null: false, index: true
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t.string :frequency
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t.timestamps
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end
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add_index :notification_policy_overrides, %i(communication_channel_id notification_id),
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name: 'index_notification_policies_overrides_on_cc_id_and_notification'
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add_index :notification_policy_overrides, %i(context_id context_type communication_channel_id notification_id),
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where: 'notification_id IS NOT NULL',
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unique: true, name: 'index_notification_policies_overrides_uniq_context_notification'
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add_index :notification_policy_overrides, %i(context_id context_type communication_channel_id),
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where: 'notification_id IS NULL',
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unique: true, name: 'index_notification_policies_overrides_uniq_context_and_cc'
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end
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end
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