57 lines
1.6 KiB
Ruby
57 lines
1.6 KiB
Ruby
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class Sequencer
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class Unit
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module Import
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module Common
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module Model
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class Update < Sequencer::Unit::Base
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include ::Sequencer::Unit::Import::Common::Model::Mixin::HandleFailure
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prepend ::Sequencer::Unit::Import::Common::Model::Mixin::SkipOnProvidedInstanceAction
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uses :instance, :mapped
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provides :instance_action
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def process
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# check if no instance is given - so we can't update it
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return if !instance
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# lock the current instance for write access
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instance.with_lock do
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# delete since we have an update and
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# the record is already created
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mapped.delete(:created_by_id)
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# assign regular attributes
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instance.assign_attributes(mapped)
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action = changed? ? :updated : :unchanged
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state.provide(:instance_action, action)
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end
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rescue => e
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handle_failure(e)
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end
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private
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def changed?
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logger.debug("Changed instance attributes: #{changes.inspect}")
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changes.present?
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end
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def changes
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@changes ||= begin
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if instance.changed?
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# dry run
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instance.changes
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else
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# live run
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instance.previous_changes
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end
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end
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end
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end
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end
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end
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end
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end
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end
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