65 lines
1.5 KiB
Dart
65 lines
1.5 KiB
Dart
import 'package:freezed_annotation/freezed_annotation.dart';
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part 'bitrate.freezed.dart';
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part 'bitrate.g.dart';
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/// Encapsulates bitrate.
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@freezed
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class Bitrate with Comparable<Bitrate>, _$Bitrate {
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/// Kilobits per second.
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double get kiloBitsPerSecond => bitsPerSecond / 1024;
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/// Megabits per second.
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double get megaBitsPerSecond => kiloBitsPerSecond / 1024;
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/// Gigabits per second.
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double get gigaBitsPerSecond => megaBitsPerSecond / 1024;
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/// Initializes an instance of [Bitrate]
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//@With<Comparable<Bitrate>>()
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const factory Bitrate(
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/// Bits per second.
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int bitsPerSecond) = _Bitrate;
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factory Bitrate.fromJson(Map<String, dynamic> json) =>
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_$BitrateFromJson(json);
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const Bitrate._();
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static const Bitrate unknown = Bitrate(0);
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@override
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int compareTo(Bitrate other) => bitsPerSecond.compareTo(other.bitsPerSecond);
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String _getLargestSymbol() {
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if (gigaBitsPerSecond.abs() >= 1) {
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return 'Gbit/s';
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}
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if (megaBitsPerSecond.abs() >= 1) {
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return 'Mbit/s';
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}
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if (kiloBitsPerSecond.abs() >= 1) {
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return 'Kbit/s';
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}
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return 'Bit/s';
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}
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num _getLargestValue() {
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if (gigaBitsPerSecond.abs() >= 1) {
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return gigaBitsPerSecond;
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}
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if (megaBitsPerSecond.abs() >= 1) {
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return megaBitsPerSecond;
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}
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if (kiloBitsPerSecond.abs() >= 1) {
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return kiloBitsPerSecond;
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}
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return bitsPerSecond;
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}
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@override
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String toString() =>
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'${_getLargestValue().toStringAsFixed(2)} ${_getLargestSymbol()}';
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}
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