gitlab-org--gitlab-foss/rubocop/cop/polymorphic_associations.rb
Yorick Peterse 5819ca1a24
Added Cop to blacklist polymorphic associations
One should really use a separate table instead of using polymorphic
associations.

See https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/11168 for
more information.
2017-06-07 17:36:55 +02:00

23 lines
625 B
Ruby

require_relative '../model_helpers'
module RuboCop
module Cop
# Cop that prevents the use of polymorphic associations
class PolymorphicAssociations < RuboCop::Cop::Cop
include ModelHelpers
MSG = 'Do not use polymorphic associations, use separate tables instead'.freeze
def on_send(node)
return unless in_model?(node)
return unless node.children[1] == :belongs_to
node.children.last.each_node(:pair) do |pair|
key_name = pair.children[0].children[0]
add_offense(pair, :expression) if key_name == :polymorphic
end
end
end
end
end