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# frozen_string_literal: true
require_relative '../../migration_helpers'
module RuboCop
module Cop
module Migration
class VersionedMigrationClass < RuboCop::Cop::Cop
include MigrationHelpers
ENFORCED_SINCE = 2021_09_02_00_00_00
MSG_INHERIT = 'Don\'t inherit from ActiveRecord::Migration but use Gitlab::Database::Migration[1.0] instead. See https://docs.gitlab.com/ee/development/migration_style_guide.html#migration-helpers-and-versioning.'
MSG_INCLUDE = 'Don\'t include migration helper modules directly. Inherit from Gitlab::Database::Migration[1.0] instead. See https://docs.gitlab.com/ee/development/migration_style_guide.html#migration-helpers-and-versioning.'
ACTIVERECORD_MIGRATION_CLASS = 'ActiveRecord::Migration'
def_node_search :includes_helpers?, <<~PATTERN
(send nil? :include
(const
(const
(const nil? :Gitlab) :Database) :MigrationHelpers))
PATTERN
def on_class(node)
return unless relevant_migration?(node)
return unless activerecord_migration_class?(node)
add_offense(node, location: :expression, message: MSG_INHERIT)
end
def on_send(node)
return unless relevant_migration?(node)
add_offense(node, location: :expression, message: MSG_INCLUDE) if includes_helpers?(node)
end
private
def relevant_migration?(node)
in_migration?(node) && version(node) >= ENFORCED_SINCE
end
def activerecord_migration_class?(node)
superclass(node) == ACTIVERECORD_MIGRATION_CLASS
end
def superclass(class_node)
_, *others = class_node.descendants
others.find { |node| node.const_type? && node&.const_name != 'Types' }&.const_name
end
end
end
end
end
|
