SubDomain Suppling System

readme.md

SubDomain Suppling System

Created with <3 with dartpad.dev.

main.dart

void main() {
  final dp = Domain("dev-pack.org");
  print(dp.supply("sorakim"));
  print(dp.supply("made.in.apple"));
  print(dp.supply("sorakim.made.in.apple"));
}
int maxIntegerOnHex(final int hexLen)=>int.parse("f" * hexLen, radix: 16);
extension on int{
  int foldInTo(final int hexLen){
    final int max = maxIntegerOnHex(hexLen);
    if(this < max){
      return this;
    }else{
      return ((this % max) + (this ~/ max)).foldInTo(hexLen);
    }
  }
}
class Domain {
  String base;
  Domain(this.base);
  String supply(String name) {
    final String hashString = "$name.$name.suppled.$base".hashCode.foldInTo(7).toRadixString(16);
    return "$name.$hashString.suppled.$base";
  }
}