Class: Gitlab::Styles::Rubocop::Cop::ActiveRecordDependent

Inherits:
RuboCop::Cop::Cop
  • Object
show all
Includes:
ModelHelpers
Defined in:
lib/gitlab/styles/rubocop/cop/active_record_dependent.rb

Overview

Cop that prevents the use of ‘dependent: …` in ActiveRecord models.

Constant Summary collapse

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

Instance Method Summary collapse

Methods included from ModelHelpers

#in_model?

Instance Method Details

#on_send(node) ⇒ Object 



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# File 'lib/gitlab/styles/rubocop/cop/active_record_dependent.rb', line 19

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