Contents

# frozen_string_literal: true

require_relative '../model_helpers'

module Gitlab
  module Styles
    module Rubocop
      module Cop
        # Cop that prevents the use of `dependent: ...` in ActiveRecord models.
        class ActiveRecordDependent < RuboCop::Cop::Cop
          include ModelHelpers

          MSG = 'Do not use `dependent:` to remove associated data, ' \
            'use foreign keys with cascading deletes instead.'

          METHOD_NAMES = [:has_many, :has_one, :belongs_to].freeze
          ALLOWED_OPTIONS = [:restrict_with_error].freeze

          def on_send(node)
            return unless in_model?(node)
            return unless METHOD_NAMES.include?(node.children[1])

            node.children.last.each_node(:pair) do |pair|
              key_name = pair.children[0].children[0]
              option_name = pair.children[1].children[0]

              break if ALLOWED_OPTIONS.include?(option_name)

              add_offense(pair) if key_name == :dependent
            end
          end
        end
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
gitlab-styles-7.1.0	lib/gitlab/styles/rubocop/cop/active_record_dependent.rb
gitlab-styles-7.0.0	lib/gitlab/styles/rubocop/cop/active_record_dependent.rb