57 lines
1.5 KiB
Dart
57 lines
1.5 KiB
Dart
import 'package:dart_mappable/dart_mappable.dart';
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import 'package:dartx/dartx.dart';
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import 'package:freezed_annotation/freezed_annotation.dart';
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import 'package:hiddify/core/localization/translations.dart';
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part 'optional_range.mapper.dart';
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@MappableClass()
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class OptionalRange with OptionalRangeMappable {
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const OptionalRange({this.min, this.max});
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final int? min;
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final int? max;
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String format() => [min, max].whereNotNull().join("-");
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String present(TranslationsEn t) =>
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format().isEmpty ? t.general.notSet : format();
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factory OptionalRange.parse(
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String input, {
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bool allowEmpty = false,
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}) =>
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switch (input.split("-")) {
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[final String val] when val.isEmpty && allowEmpty =>
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const OptionalRange(),
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[final String min] => OptionalRange(min: int.parse(min)),
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[final String min, final String max] => OptionalRange(
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min: int.parse(min),
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max: int.parse(max),
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),
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_ => throw Exception("Invalid range: $input"),
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};
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static OptionalRange? tryParse(
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String input, {
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bool allowEmpty = false,
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}) {
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try {
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return OptionalRange.parse(input, allowEmpty: allowEmpty);
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} catch (_) {
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return null;
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}
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}
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}
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class OptionalRangeJsonConverter
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implements JsonConverter<OptionalRange, String> {
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const OptionalRangeJsonConverter();
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@override
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OptionalRange fromJson(String json) =>
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OptionalRange.parse(json, allowEmpty: true);
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@override
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String toJson(OptionalRange object) => object.format();
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}
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