initial

lib/utils/number_formatters.dart

@@ -0,0 +1,22 @@
+import 'dart:math';
+
+import 'package:intl/intl.dart';
+
+const _units = ["B", "kB", "MB", "GB", "TB"];
+
+({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: "${_units[digitGroups]}/s",
+  );
+}
+
+String formatTrafficByteSize(int consumption, int total) {
+  const base = 1024;
+  if (total <= 0) return "0 B / 0 B";
+  final formatter = NumberFormat("#,##0.#");
+  return "${formatter.format(consumption / pow(base, 3))} GB / ${formatter.format(total / pow(base, 3))} GB";
+}