class RuboCop::Cop::Rails::SchemaComment

def on_send(node)
  if add_column_without_comment?(node)
    add_offense(node, message: COLUMN_MSG)
  elsif create_table_without_comment?(node)
    add_offense(node, message: TABLE_MSG)
  elsif create_table_with_block?(node.parent)
    check_column_within_create_table_block(node.parent.body)
  end
end