phone_provider.dart

phone_provider.dart

const OPERATORS = {
  "0812": "telkomsel",
  "0813": "telkomsel",
  "0821": "telkomsel",
  "0822": "telkomsel",
  "0852": "telkomsel",
  "0853": "telkomsel",
  "0823": "telkomsel",
  "0851": "telkomsel",
  "0814": "indosat",
  "0815": "indosat",
  "0816": "indosat",
  "0855": "indoset",
  "0856": "indosat",
  "0857": "indosat",
  "0858": "indosat",
  "0895": "tri",
  "0896": "tri",
  "0897": "tri",
  "0898": "tri",
  "0899": "tri",
  "0881": "smartfren",
  "0882": "smartfren",
  "0883": "smartfren",
  "0884": "smartfren",
  "0885": "smartfren",
  "0886": "smartfren",
  "0887": "smartfren",
  "0888": "smartfren",
  "0889": "smartfren",
  "0817": "xl",
  "0818": "xl",
  "0819": "xl",
  "0859": "xl",
  "0877": "xl",
  "0878": "xl",
  "0838": "axis",
  "0831": "axis",
  "0832": "axis",
  "0833": "axis",
  "0999": "bolt",
  "0998": "bolt",
};


String headerNumber(String number) {

  if (number != null && number.length >= 8) {
    if (number.startsWith("+62")) {
      return '0' + number.substring(3, 6);
    }
    if (number.startsWith("62")) {
      return '0' + number.substring(2, 5);
    }
    if (number.startsWith("08")) {
      return number.substring(0, 4);
    }
    if (number.startsWith("8")) {
      return '0' + number.substring(0, 3);
    }
    return number.substring(0, 4);
  }

  return "unknown";
}

String providerNumber(String numberHeader) {
  return OPERATORS[numberHeader];
}