98 lines
2.4 KiB
Dart
98 lines
2.4 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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import 'dart:async';
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import 'package:yumi/app_localizations.dart';
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import 'package:yumi/ui_kit/components/text/sc_text.dart';
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class CountdownTimer extends StatefulWidget {
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final DateTime expiryDate;
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final Color? color;
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final double? fontSize;
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final FontWeight? fontWeight;
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const CountdownTimer({
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super.key,
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required this.expiryDate,
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this.color,
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this.fontSize,
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this.fontWeight,
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});
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@override
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State<CountdownTimer> createState() => _CountdownTimerState();
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}
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class _CountdownTimerState extends State<CountdownTimer> {
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Timer? _timer;
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Duration _remainingTime = Duration.zero;
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@override
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void initState() {
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super.initState();
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_calculateRemainingTime();
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_startTimer();
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}
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@override
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void dispose() {
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_timer?.cancel();
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super.dispose();
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}
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void _calculateRemainingTime() {
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final now = DateTime.now();
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if (widget.expiryDate.isAfter(now)) {
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setState(() {
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_remainingTime = widget.expiryDate.difference(now);
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});
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} else {
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setState(() {
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_remainingTime = Duration.zero;
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});
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}
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}
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void _startTimer() {
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_timer = Timer.periodic(const Duration(seconds: 1), (timer) {
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_calculateRemainingTime();
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});
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}
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String _formatDuration(Duration duration) {
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if (duration.inSeconds <= 0) {
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return SCAppLocalizations.of(context)!.expired;
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}
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String twoDigits(int n) => n.toString().padLeft(2, '0');
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final days = duration.inDays;
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final hours = twoDigits(duration.inHours.remainder(24));
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final minutes = twoDigits(duration.inMinutes.remainder(60));
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final seconds = twoDigits(duration.inSeconds.remainder(60));
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if (days > 0) {
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return '${days}D $hours:$minutes:$seconds';
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}
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return '$hours:$minutes:$seconds';
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}
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@override
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Widget build(BuildContext context) {
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return Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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text(
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_formatDuration(_remainingTime),
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fontSize: widget.fontSize ?? 14.sp,
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fontWeight: widget.fontWeight ?? FontWeight.bold,
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textColor:
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_remainingTime.inSeconds <= 0
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? Colors.grey
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: (widget.color ?? Colors.black),
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),
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],
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);
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}
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}
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