73 lines
1.7 KiB
Ruby
73 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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# This class is a simplified version of assign_nested_attributes_for_collection_association from ActiveRecord
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# https://github.com/rails/rails/blob/v6.0.2.1/activerecord/lib/active_record/nested_attributes.rb#L466
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module Ci
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class UpdateInstanceVariablesService
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UNASSIGNABLE_KEYS = %w(id _destroy).freeze
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def initialize(params)
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@params = params[:variables_attributes]
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end
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def execute
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instantiate_records
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persist_records
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end
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def errors
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@records.to_a.flat_map { |r| r.errors.full_messages }
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end
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private
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attr_reader :params
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def existing_records_by_id
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@existing_records_by_id ||= Ci::InstanceVariable
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.all
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.index_by { |var| var.id.to_s }
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end
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def instantiate_records
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@records = params.map do |attributes|
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find_or_initialize_record(attributes).tap do |record|
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record.assign_attributes(attributes.except(*UNASSIGNABLE_KEYS))
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record.mark_for_destruction if has_destroy_flag?(attributes)
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end
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end
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end
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def find_or_initialize_record(attributes)
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id = attributes[:id].to_s
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if id.blank?
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Ci::InstanceVariable.new
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else
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existing_records_by_id.fetch(id) { raise ActiveRecord::RecordNotFound }
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end
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end
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def persist_records
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Ci::InstanceVariable.transaction do
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success = @records.map do |record|
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if record.marked_for_destruction?
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record.destroy
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else
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record.save
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end
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end.all?
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raise ActiveRecord::Rollback unless success
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success
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end
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end
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def has_destroy_flag?(hash)
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Gitlab::Utils.to_boolean(hash['_destroy'])
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end
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end
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end
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