108 lines
2.9 KiB
Dart
108 lines
2.9 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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TimeProgress copyWith(
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{String id, String name, DateTime startTime, DateTime endTime}) {
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return 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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}
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int daysBehind() {
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return DateTime.now().difference(startTime).inDays;
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}
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int daysLeft() {
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return endTime.difference(DateTime.now()).inDays;
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}
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int allDays() {
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return endTime.difference(startTime).inDays;
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}
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double percentDone() {
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return this.daysBehind() / (this.allDays() / 100) / 100;
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}
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bool hasStarted() {
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return DateTime.now().millisecondsSinceEpoch >
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startTime.millisecondsSinceEpoch;
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}
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bool hasEnded() {
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return DateTime.now().millisecondsSinceEpoch >
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endTime.millisecondsSinceEpoch;
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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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return "TimeProgress{id: $id, name: $name, startTime: $startTime, endTime: $endTime}";
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}
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TimeProgressEntity toEntity() {
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if (!TimeProgress.isNameValid(name))
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throw new TimeProgressInvalidNameException(name);
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if (!TimeProgress.areTimesValid(startTime, endTime))
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throw new TimeProgressStartTimeIsNotBeforeEndTimeException(
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startTime, endTime);
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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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return TimeProgress(
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entity.name,
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entity.startTime,
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entity.endTime,
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id: entity.id ?? Uuid().generateV4(),
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);
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}
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static bool isValid(TimeProgress tp) {
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return TimeProgress.isNameValid(tp.name) &&
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TimeProgress.areTimesValid(tp.startTime, tp.endTime);
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}
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static bool isNameValid(String name) {
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return name != null && name != "" && name.length > 2 && name.length < 21;
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}
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static bool areTimesValid(DateTime startTime, DateTime endTime) {
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return startTime.isBefore(endTime);
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}
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}
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