106 lines
3.2 KiB
Dart
106 lines
3.2 KiB
Dart
import 'package:meta/meta.dart';
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import 'package:time_progress_tracker/models/app_exceptions.dart';
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import 'package:time_progress_tracker/persistence/time_progress_entity.dart';
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import 'package:time_progress_tracker/uuid.dart';
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@immutable
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class TimeProgress {
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final String id;
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final String name;
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final DateTime startTime;
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final DateTime endTime;
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TimeProgress(this.name, this.startTime, this.endTime, {String? id})
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: id = id ?? Uuid().generateV4();
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factory TimeProgress.initialDefault() {
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int thisYear = DateTime.now().year;
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return TimeProgress(
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"Initial Name", DateTime(thisYear - 1), DateTime(thisYear + 1));
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}
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factory TimeProgress.defaultFromDuration(Duration duration) =>
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TimeProgress("", DateTime.now(), DateTime.now().add(duration));
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TimeProgress copyWith(
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{String? id, String? name, DateTime? startTime, DateTime? endTime}) =>
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TimeProgress(
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name ?? this.name,
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startTime ?? this.startTime,
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endTime ?? this.endTime,
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id: id ?? this.id,
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);
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int daysBehind() => DateTime.now().difference(startTime).inDays;
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int daysLeft() => endTime.difference(DateTime.now()).inDays;
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int allDays() => endTime.difference(startTime).inDays;
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double percentDone() {
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double percent = daysBehind() / (allDays() / 100) / 100;
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if (percent < 0) percent = 0;
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if (percent > 1) percent = 1;
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return percent;
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}
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bool hasStarted() =>
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DateTime.now().millisecondsSinceEpoch > startTime.millisecondsSinceEpoch;
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int daysTillStart() {
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if (hasStarted()) throw TimeProgressHasStartedException();
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return startTime.difference(DateTime.now()).inDays;
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}
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bool hasEnded() =>
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DateTime.now().millisecondsSinceEpoch > endTime.millisecondsSinceEpoch;
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int daysSinceEnd() {
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if (!hasEnded()) throw TimeProgressHasNotEndedException();
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return DateTime.now().difference(endTime).inDays;
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}
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@override
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int get hashCode =>
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id.hashCode ^ name.hashCode ^ startTime.hashCode ^ endTime.hashCode;
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@override
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bool operator ==(Object other) =>
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identical(this, other) ||
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other is TimeProgress &&
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runtimeType == other.runtimeType &&
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id == other.id &&
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name == other.name &&
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startTime == other.startTime &&
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endTime == other.endTime;
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@override
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String toString() =>
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"TimeProgress{id: $id, name: $name, startTime: $startTime, endTime: $endTime}";
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TimeProgressEntity toEntity() {
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if (!TimeProgress.isNameValid(name)) {
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throw TimeProgressInvalidNameException(name);
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}
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if (!TimeProgress.areTimesValid(startTime, endTime)) {
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throw TimeProgressStartTimeIsNotBeforeEndTimeException(
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startTime, endTime);
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}
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return TimeProgressEntity(id, name, startTime, endTime);
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}
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static TimeProgress fromEntity(TimeProgressEntity entity) =>
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TimeProgress(entity.name, entity.startTime, entity.endTime,
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id: entity.id);
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static bool isValid(TimeProgress tp) =>
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TimeProgress.isNameValid(tp.name) &&
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TimeProgress.areTimesValid(tp.startTime, tp.endTime);
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static bool isNameValid(String name) =>
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name != "" && name.length > 2 && name.length < 21;
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static bool areTimesValid(DateTime startTime, DateTime endTime) =>
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startTime.isBefore(endTime);
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}
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