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module RuboCop
module Cop
# This cop prevents usage of 'redirect_to' in actions 'destroy' without specifying 'status'.
# See https://gitlab.com/gitlab-org/gitlab-ce/issues/31840
class RedirectWithStatus < RuboCop::Cop::Cop
MSG = 'Do not use "redirect_to" without "status" in "destroy" action'.freeze
def on_def(node)
return unless in_controller?(node)
return unless destroy?(node) || destroy_all?(node)
node.each_descendant(:send) do |def_node|
next unless redirect_to?(def_node)
methods = []
def_node.children.last.each_node(:pair) do |pair|
methods << pair.children.first.children.first
end
add_offense(def_node, :selector) unless methods.include?(:status)
end
end
private
def in_controller?(node)
node.location.expression.source_buffer.name.end_with?('_controller.rb')
end
def destroy?(node)
node.children.first == :destroy
end
def destroy_all?(node)
node.children.first == :destroy_all
end
def redirect_to?(node)
node.children[1] == :redirect_to
end
end
end
end
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