selfprivacy.org.app/lib/logic/models/disk_size.dart

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import 'package:easy_localization/easy_localization.dart';
class DiskSize {
const DiskSize({final this.byte = 0});
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DiskSize.fromKibibyte(final double kibibyte)
: this(byte: (kibibyte * 1024).round());
DiskSize.fromMebibyte(final double mebibyte)
: this(byte: (mebibyte * 1024 * 1024).round());
DiskSize.fromGibibyte(final double gibibyte)
: this(byte: (gibibyte * 1024 * 1024 * 1024).round());
final int byte;
double get kibibyte => byte / 1024.0;
double get mebibyte => byte / 1024.0 / 1024.0;
double get gibibyte => byte / 1024.0 / 1024.0 / 1024.0;
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DiskSize operator +(final DiskSize other) =>
DiskSize(byte: byte + other.byte);
DiskSize operator -(final DiskSize other) =>
DiskSize(byte: byte - other.byte);
DiskSize operator *(final double other) =>
DiskSize(byte: (byte * other).round());
@override
String toString() {
if (byte < 1024) {
return '${byte.toStringAsFixed(0)} ${tr('bytes')}';
} else if (byte < 1024 * 1024) {
return 'providers.storage.kb'.tr(args: [kibibyte.toStringAsFixed(1)]);
} else if (byte < 1024 * 1024 * 1024) {
return 'providers.storage.mb'.tr(args: [mebibyte.toStringAsFixed(1)]);
} else {
return 'providers.storage.gb'.tr(args: [gibibyte.toStringAsFixed(1)]);
}
}
}