mirror of
https://github.com/wger-project/flutter.git
synced 2026-02-18 00:17:48 +01:00
fc881c4929
This should (hopefully 🤞) take care of problems saving entries with timezone
information.
99 lines
2.8 KiB
Dart
99 lines
2.8 KiB
Dart
/*
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* This file is part of wger Workout Manager <https://github.com/wger-project>.
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* Copyright (C) 2020, 2021 wger Team
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*
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* wger Workout Manager is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import 'package:flutter/material.dart';
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import 'package:intl/intl.dart';
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num stringToNum(String? e) {
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return e == null ? 0 : num.parse(e);
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}
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num stringOrIntToNum(dynamic e) {
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if (e is int) {
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return e.toDouble(); // Convert int to double (a type of num)
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}
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return num.tryParse(e) ?? 0;
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}
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num? stringToNumNull(String? e) {
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return e == null ? null : num.parse(e);
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}
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String? numToString(num? e) {
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if (e == null) {
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return null;
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}
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return e.toString();
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}
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/*
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* Converts a datetime to ISO8601 date format, but only the date.
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* Needed e.g. when the wger api only expects a date and no time information.
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*/
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String? dateToYYYYMMDD(DateTime? dateTime) {
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if (dateTime == null) {
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return null;
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}
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return DateFormat('yyyy-MM-dd').format(dateTime);
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}
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/// Convert a date to UTC and then to an ISO8601 string.
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///
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/// This makes sure that the serialized data has correct timezone information.
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/// Otherwise the django backend will possibly treat the date as local time,
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/// which will not be correct in most cases.
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String dateToUtcIso8601(DateTime dateTime) {
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return dateTime.toUtc().toIso8601String();
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}
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/// Converts an ISO8601 datetime string in UTC to a local DateTime object.
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///
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/// Needs to be used in conjunction with [dateToUtcIso8601] in the models to
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/// correctly handle timezones.
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DateTime utcIso8601ToLocalDate(String dateTime) {
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return DateTime.parse(dateTime).toLocal();
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}
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/*
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* Converts a time to a date object.
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* Needed e.g. when the wger api only sends a time but no date information.
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*/
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TimeOfDay stringToTime(String? time) {
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time ??= '00:00';
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return TimeOfDay.fromDateTime(DateTime.parse('2020-01-01 $time'));
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}
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TimeOfDay? stringToTimeNull(String? time) {
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if (time == null) {
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return null;
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}
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return TimeOfDay.fromDateTime(DateTime.parse('2020-01-01 $time'));
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}
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/*
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* Converts a datetime to time.
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*/
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String? timeToString(TimeOfDay? time) {
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if (time == null) {
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return null;
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}
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return const DefaultMaterialLocalizations().formatTimeOfDay(time, alwaysUse24HourFormat: true);
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}
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