Add stats overview

lib/utils/number_formatters.dart

@@ -1,26 +1,16 @@
-import 'dart:math';
+import 'package:humanizer/humanizer.dart';
 
-import 'package:intl/intl.dart';
+extension ByteFormatter on int {
+  String size() => bytes().toString();
 
-const _units = ["B", "kB", "MB", "GB", "TB"];
+  static final _sizeOfFormat =
+      InformationSizeFormat(permissibleValueUnits: {InformationUnit.gibibyte});
 
-({String size, String unit}) formatByte(int input, {int? unit}) {
-  const base = 1024;
-  if (input <= 0) return (size: "0", unit: _units[unit ?? 0]);
-  final int digitGroups = unit ?? (log(input) / log(base)).round();
-  return (
-    size: NumberFormat("#,##0.#").format(input / pow(base, digitGroups)),
-    unit: _units[digitGroups],
-  );
-}
-
-// TODO remove
-({String size, String unit}) formatByteSpeed(int speed) {
-  const base = 1024;
-  if (speed <= 0) return (size: "0", unit: "B/s");
-  final int digitGroups = (log(speed) / log(base)).round();
-  return (
-    size: NumberFormat("#,##0.#").format(speed / pow(base, digitGroups)),
-    unit: "${_units[digitGroups]}/s",
-  );
+  String sizeOf(int total) =>
+      "${_sizeOfFormat.format(bytes())} / ${_sizeOfFormat.format(total.bytes())}";
+
+  static final _rateFormat =
+      InformationRateFormat(permissibleRateUnits: {RateUnit.second});
+
+  String speed() => _rateFormat.format(bytes().per(const Duration(seconds: 1)));
 }