ca56de3648
This changes the minimum supported version of PostgreSQL to 9.3.
68 lines
2.2 KiB
Ruby
68 lines
2.2 KiB
Ruby
# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
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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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module Associations
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class Assign < Sequencer::Unit::Base
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include ::Sequencer::Unit::Import::Common::Model::Mixin::HandleFailure
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uses :instance, :associations, :action, :dry_run
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provides :action
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def process
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return if dry_run
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return if instance.blank?
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return if associations.blank? && log_associations_error
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register_changes
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instance.assign_attributes(associations)
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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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# always returns true
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def log_associations_error
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return true if %i[skipped failed deactivated].include?(action)
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logger.error { 'associations cannot be nil' } if associations.nil?
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true
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end
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def register_changes
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return if !(action == :unchanged && changes.any?)
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logger.debug { "Changed instance associations: #{changes.inspect}" }
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state.provide(:action, :updated)
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end
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# Why not just use instance.changes?
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# Because it doesn't include associations
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# stored on OTHER TABLES (has-one, has-many, HABTM)
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def changes
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@changes ||= unfiltered_changes.reject { |_attribute, values| no_diff?(values) }
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end
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def unfiltered_changes
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attrs = associations.keys
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before = attrs.map { |attribute| instance.send(attribute) }
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after = associations.values
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attrs.zip(before.zip(after)).to_h.with_indifferent_access
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end
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def no_diff?(values)
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values.map!(&:sort) if values.all? { |val| val.respond_to?(:sort) }
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values.map!(&:presence) # [nil, []] -> [nil, nil]
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values.uniq.length == 1
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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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