49 lines
1.2 KiB
Ruby
49 lines
1.2 KiB
Ruby
# frozen_string_literal: true
|
|
require_relative '../../migration_helpers'
|
|
|
|
module RuboCop
|
|
module Cop
|
|
module Migration
|
|
# Cop that checks if a foreign key constraint is added and require a index for it
|
|
class AddReference < RuboCop::Cop::Cop
|
|
include MigrationHelpers
|
|
|
|
MSG = '`add_reference` requires `index: true`'
|
|
|
|
def on_send(node)
|
|
return unless in_migration?(node)
|
|
|
|
name = node.children[1]
|
|
|
|
return unless name == :add_reference
|
|
|
|
opts = node.children.last
|
|
|
|
add_offense(node, location: :selector) unless opts && opts.type == :hash
|
|
|
|
index_present = false
|
|
|
|
opts.each_node(:pair) do |pair|
|
|
index_present ||= index_enabled?(pair)
|
|
end
|
|
|
|
add_offense(node, location: :selector) unless index_present
|
|
end
|
|
|
|
private
|
|
|
|
def index_enabled?(pair)
|
|
hash_key_type(pair) == :sym && hash_key_name(pair) == :index && pair.children[1].true_type?
|
|
end
|
|
|
|
def hash_key_type(pair)
|
|
pair.children[0].type
|
|
end
|
|
|
|
def hash_key_name(pair)
|
|
pair.children[0].children[0]
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|