class RuboCop::Cop::Rails::WhereRange

def extract_column_and_value(template_node, values_node)
  case template_node.value
  when GTEQ_ANONYMOUS_RE
    lhs = values_node[0]
    operator = '..'
  when LTEQ_ANONYMOUS_RE
    if target_ruby_version >= 2.7
      operator = range_operator(Regexp.last_match(2))
      rhs = values_node[0]
    end
  when RANGE_ANONYMOUS_RE
    if values_node.size >= 2
      lhs = values_node[0]
      operator = range_operator(Regexp.last_match(2))
      rhs = values_node[1]
    end
  when GTEQ_NAMED_RE
    value_node = values_node[0]
    if value_node.hash_type?
      pair = find_pair(value_node, Regexp.last_match(2))
      lhs = pair.value
      operator = '..'
    end
  when LTEQ_NAMED_RE
    value_node = values_node[0]
    if value_node.hash_type?
      pair = find_pair(value_node, Regexp.last_match(2))
      if pair && target_ruby_version >= 2.7
        operator = range_operator(Regexp.last_match(2))
        rhs = pair.value
      end
    end
  when RANGE_NAMED_RE
    value_node = values_node[0]
    if value_node.hash_type?
      pair1 = find_pair(value_node, Regexp.last_match(2))
      pair2 = find_pair(value_node, Regexp.last_match(4))
      if pair1 && pair2
        lhs = pair1.value
        operator = range_operator(Regexp.last_match(3))
        rhs = pair2.value
      end
    end
  end
  if lhs
    lhs_source = parentheses_needed?(lhs) ? "(#{lhs.source})" : lhs.source
  end
  if rhs
    rhs_source = parentheses_needed?(rhs) ? "(#{rhs.source})" : rhs.source
  end
  [Regexp.last_match(1), "#{lhs_source}#{operator}#{rhs_source}"] if operator
end