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# frozen_string_literal: true
require_relative '../../migration_helpers'
module RuboCop
module Cop
module Migration
class ScheduleAsync < RuboCop::Cop::Cop
include MigrationHelpers
ENFORCED_SINCE = 2020_02_12_00_00_00
MSG = <<~MSG
Don't call the background migration worker directly, use the `#migrate_async`,
`#migrate_in`, `#bulk_migrate_async` or `#bulk_migrate_in` migration helpers
instead.
MSG
def_node_matcher :calls_background_migration_worker?, <<~PATTERN
(send (const nil? :BackgroundMigrationWorker) {:perform_async :perform_in :bulk_perform_async :bulk_perform_in} ... )
PATTERN
def on_send(node)
return unless in_migration?(node)
return if version(node) < ENFORCED_SINCE
add_offense(node, location: :expression) if calls_background_migration_worker?(node)
end
def autocorrect(node)
# This gets rid of the receiver `BackgroundMigrationWorker` and
# replaces `perform` with `schedule`
schedule_method = method_name(node).to_s.sub('perform', 'migrate')
arguments = arguments(node).map(&:source).join(', ')
replacement = "#{schedule_method}(#{arguments})"
lambda do |corrector|
corrector.replace(node.source_range, replacement)
end
end
private
def method_name(node)
node.children.second
end
def arguments(node)
node.children[2..]
end
end
end
end
end
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