gistfile1.rb

def cidr_conflicts
  ipa = get_ip_address
  if permission
    rules = user.rules.denied
  else
    rules = user.rules.allowed
  end
  conflicts_array = []
  rules.each do |rule|
    rule_ipa = get_ip_address(rule.cidr)
    next unless rule_ipa.present?
    if rule_ipa.include?(ipa) || ipa.include?(rule_ipa)
      conflicts_array << rule_ipa.to_string
    end
  end
  conflicts_array
end

def cidr_conflicts
  opposing_rules = self.permission? ? user.rules.denied : user.rules.allowed
  our_ip_addresses(self.cidr)
  opposing_rules.select { |rule| get_ip_address(rule.cidr) & our_ip_addresses }
end