51 lines
1.5 KiB
Ruby
51 lines
1.5 KiB
Ruby
#
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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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require 'active_support/concern'
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module Canvas::SoftDeletable
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extend ActiveSupport::Concern
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included do
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include Workflow
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workflow do
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state :active
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state :deleted
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end
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scope :active, -> { where workflow_state: "active" }
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# save the previous definition of `destroy` and alias it to `destroy_permanently!`
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# Note: `destroy_permanently!` now does NOT throw errors while the newly defined
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# `destroy` DOES throw errors due to `save!`
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alias_method :destroy_permanently!, :destroy
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def destroy
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return true if deleted?
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self.workflow_state = 'deleted'
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run_callbacks(:destroy) { save! }
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end
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# `restore` was taken by too many other methods...
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def undestroy
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self.workflow_state = 'active'
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save!
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true
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end
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end
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end
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