add disk page

2022-12-07 00:19:10 +01:00
parent 5c34b9901e
commit b77b34442b
8 changed files with 146 additions and 55 deletions
--- a/app/lib/utils/file_formatter.dart
+++ b/app/lib/utils/file_formatter.dart
@@ -0,0 +1,15 @@
+import 'dart:math';
+
+double _log10(num x) => log(x) / ln10;
+
+extension FileFormatter on num {
+  String readableFileSize({bool base1024 = true}) {
+    if (this <= 0) return "0";
+    final base = base1024 ? 1024 : 1000;
+    final units = base1024
+        ? ["Bi", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB"]
+        : ["B", "KB", "MB", "GB", "TB", "PB", "EB"];
+    final digitGroups = (_log10(this) / _log10(base)).floor();
+    return "${(this / pow(base, digitGroups)).toStringAsFixed(2)} ${units[digitGroups]}";
+  }
+}