54 lines
1.5 KiB
Dart
54 lines
1.5 KiB
Dart
import 'dart:math';
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final storageUnits = ["bytes", "KB", "MB", "GB"];
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String convertBytesToReadableFormat(int bytes) {
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int storageUnitIndex = 0;
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while (bytes >= 1024 && storageUnitIndex < storageUnits.length - 1) {
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storageUnitIndex++;
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bytes = (bytes / 1024).round();
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}
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return bytes.toString() + " " + storageUnits[storageUnitIndex];
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}
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String formatBytes(int bytes, [int decimals = 2]) {
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if (bytes == 0) return '0 bytes';
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const k = 1024;
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final int dm = decimals < 0 ? 0 : decimals;
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final int i = (log(bytes) / log(k)).floor();
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return ((bytes / pow(k, i)).toStringAsFixed(dm)) + ' ' + storageUnits[i];
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}
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//shows 1st decimal only if less than 10GB & omits decimal if decimal is 0
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num roundBytesUsedToGBs(int usedBytes, int freeSpace) {
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const tenGBinBytes = 10737418240;
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num bytesInGB = convertBytesToGBs(usedBytes);
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if ((usedBytes >= tenGBinBytes && freeSpace >= tenGBinBytes) ||
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bytesInGB % 1 == 0) {
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bytesInGB = bytesInGB.truncate();
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}
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return bytesInGB;
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}
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//Eg: 0.3 GB, 11.0 GB, 532.3 GB
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num convertBytesToGBs(int bytes) {
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return num.parse((bytes / (pow(1024, 3))).toStringAsFixed(1));
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}
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int convertBytesToAbsoluteGBs(int bytes) {
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return (bytes / pow(1024, 3)).round();
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}
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int convertBytesToMBs(int bytes) {
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return (bytes / pow(1024, 2)).round();
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}
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//Eg: 1TB, 1.3TB, 4.9TB, 3TB
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num roundGBsToTBs(sizeInGBs) {
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final num sizeInTBs = num.parse((sizeInGBs / 1000).toStringAsFixed(1));
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if (sizeInTBs % 1 == 0) {
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return sizeInTBs.truncate();
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} else {
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return sizeInTBs;
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}
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}
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