func TruncateTooLongNumber()

in phonenumbers.go [2467:2490]

• 23 lines of code
• 7 McCabe index (conditional complexity)

func TruncateTooLongNumber(number *PhoneNumber) bool {
	if IsValidNumber(number) {
		return true
	}
	numberCopy := &PhoneNumber{}
	proto.Merge(numberCopy, number)
	nationalNumber := number.GetNationalNumber()
	nationalNumber /= 10
	numberCopy.NationalNumber = proto.Uint64(nationalNumber)
	if IsPossibleNumberWithReason(numberCopy) == TOO_SHORT || nationalNumber == 0 {
		return false
	}
	for !IsValidNumber(numberCopy) {
		nationalNumber /= 10
		numberCopy.NationalNumber = proto.Uint64(nationalNumber)
		if IsPossibleNumberWithReason(numberCopy) == TOO_SHORT ||
			nationalNumber == 0 {
			return false
		}
	}

	number.NationalNumber = proto.Uint64(nationalNumber)
	return true
}