345 lines
12 KiB
Dart
345 lines
12 KiB
Dart
import 'dart:async';
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import 'package:mobdr/config/constant.dart';
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import 'package:mobdr/config/global_style.dart';
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import 'package:mobdr/model/flashsale_model.dart';
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import 'package:mobdr/ui/general/product_detail/product_detail.dart';
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import 'package:mobdr/ui/home/search.dart';
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import 'package:mobdr/ui/reusable/reusable_widget.dart';
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import 'package:mobdr/ui/reusable/cache_image_network.dart';
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import 'package:mobdr/ui/reusable/global_function.dart';
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import 'package:flutter/material.dart';
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class FlashSalePage extends StatefulWidget {
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final int seconds;
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const FlashSalePage({Key? key, this.seconds = 0}) : super(key: key);
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@override
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_FlashSalePageState createState() => _FlashSalePageState();
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}
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class _FlashSalePageState extends State<FlashSalePage> {
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// initialize global function and reusable widget
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final _globalFunction = GlobalFunction();
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final _reusableWidget = ReusableWidget();
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Timer? _flashsaleTimer;
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late int _flashsaleSecond;
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void _startFlashsaleTimer() {
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const period = const Duration(seconds: 1);
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_flashsaleTimer = Timer.periodic(period, (timer) {
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setState(() {
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_flashsaleSecond--;
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});
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if (_flashsaleSecond == 0) {
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_cancelFlashsaleTimer();
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}
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});
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}
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void _cancelFlashsaleTimer() {
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if (_flashsaleTimer != null) {
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_flashsaleTimer?.cancel();
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_flashsaleTimer = null;
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}
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}
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@override
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void initState() {
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_flashsaleSecond = widget.seconds;
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if (_flashsaleSecond != 0) {
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_startFlashsaleTimer();
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}
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super.initState();
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}
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@override
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void dispose() {
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_cancelFlashsaleTimer();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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iconTheme: IconThemeData(
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color: GlobalStyle.appBarIconThemeColor,
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),
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elevation: GlobalStyle.appBarElevation,
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title: Text(
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'Flash Sale',
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style: GlobalStyle.appBarTitle,
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),
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backgroundColor: GlobalStyle.appBarBackgroundColor,
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systemOverlayStyle: GlobalStyle.appBarSystemOverlayStyle,
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actions: [
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IconButton(
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icon: Icon(Icons.search, color: BLACK_GREY),
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onPressed: () {
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Navigator.push(context,
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MaterialPageRoute(builder: (context) => SearchPage()));
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}),
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],
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bottom: _reusableWidget.bottomAppBar(),
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),
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body: WillPopScope(
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onWillPop: () {
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Navigator.pop(context);
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return Future.value(true);
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},
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child: ListView(
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physics: AlwaysScrollableScrollPhysics(),
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children: [
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buildCacheNetworkImage(
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width: MediaQuery.of(context).size.width,
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height: MediaQuery.of(context).size.width / 2,
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url: GLOBAL_URL + '/flashsale/1.jpg'),
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Container(
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margin: EdgeInsets.all(16),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text('Flash sale end in :',
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style: TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 14,
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color: CHARCOAL)),
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_buildFlashsaleTime(),
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],
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),
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),
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CustomScrollView(
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shrinkWrap: true,
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primary: false,
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slivers: <Widget>[
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SliverPadding(
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padding: EdgeInsets.fromLTRB(12, 8, 12, 8),
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sliver: SliverGrid(
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gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 2,
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mainAxisSpacing: 8,
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crossAxisSpacing: 8,
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childAspectRatio:
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GlobalStyle.gridDelegateFlashsaleRatio,
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),
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delegate: SliverChildBuilderDelegate(
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(BuildContext context, int index) {
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return _buildFlashsaleCard(index);
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},
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childCount: flashsaleData.length,
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),
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),
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),
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])
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],
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),
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));
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}
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Widget _buildFlashsaleTime() {
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int hour = _flashsaleSecond ~/ 3600;
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int minute = _flashsaleSecond % 3600 ~/ 60;
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int second = _flashsaleSecond % 60;
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return Row(
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children: [
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Container(
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padding: EdgeInsets.fromLTRB(3, 4, 3, 4),
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decoration: BoxDecoration(
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color: Colors.red, borderRadius: BorderRadius.circular(5)), //
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child: Text(_globalFunction.formatTime(hour),
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style: TextStyle(
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color: Colors.white,
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fontSize: 13,
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fontWeight: FontWeight.bold)),
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),
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Text(' : ',
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style: TextStyle(
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color: Colors.red, fontSize: 13, fontWeight: FontWeight.bold)),
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Container(
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padding: EdgeInsets.fromLTRB(3, 4, 3, 4),
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decoration: BoxDecoration(
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color: Colors.red, borderRadius: BorderRadius.circular(5)), //
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child: Text(_globalFunction.formatTime(minute),
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style: TextStyle(
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color: Colors.white,
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fontSize: 13,
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fontWeight: FontWeight.bold)),
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),
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Text(' : ',
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style: TextStyle(
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color: Colors.red, fontSize: 13, fontWeight: FontWeight.bold)),
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Container(
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padding: EdgeInsets.fromLTRB(3, 4, 3, 4),
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decoration: BoxDecoration(
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color: Colors.red, borderRadius: BorderRadius.circular(5)), //
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child: Text(_globalFunction.formatTime(second),
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style: TextStyle(
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color: Colors.white,
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fontSize: 13,
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fontWeight: FontWeight.bold)),
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)
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],
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);
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}
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Widget _buildFlashsaleCard(index) {
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final double boxImageSize =
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((MediaQuery.of(context).size.width) - 24) / 2 - 12;
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return Container(
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child: Card(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(10),
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),
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elevation: 2,
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color: Colors.white,
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child: GestureDetector(
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behavior: HitTestBehavior.translucent,
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onTap: () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => ProductDetailPage(
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name: flashsaleData[index].name,
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image: flashsaleData[index].image,
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price: flashsaleData[index].price,
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rating: 4,
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review: 45,
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sale: flashsaleData[index].sale)));
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},
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child: Column(
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children: <Widget>[
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Stack(
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children: [
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ClipRRect(
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(10),
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topRight: Radius.circular(10)),
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child: buildCacheNetworkImage(
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width: boxImageSize,
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height: boxImageSize,
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url: flashsaleData[index].image)),
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Positioned(
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right: 0,
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top: 10,
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child: Container(
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decoration: BoxDecoration(
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color: Colors.red,
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(6),
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bottomLeft: Radius.circular(6))),
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padding: EdgeInsets.fromLTRB(12, 6, 12, 6),
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child: Text(
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flashsaleData[index].discount.toString() + '%',
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style: TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.bold,
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fontSize: 13)),
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),
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),
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],
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),
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Container(
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margin: EdgeInsets.fromLTRB(8, 8, 8, 8),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.start,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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flashsaleData[index].name,
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style: GlobalStyle.productName,
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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Container(
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margin: EdgeInsets.only(top: 8),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'\$ ' +
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_globalFunction.removeDecimalZeroFormat(
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(100 - flashsaleData[index].discount) *
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flashsaleData[index].price /
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100),
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style: GlobalStyle.productPrice),
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Container(
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margin: EdgeInsets.only(top: 5),
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child: Text(
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'\$ ' +
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_globalFunction.removeDecimalZeroFormat(
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flashsaleData[index].price),
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style: GlobalStyle.productPriceDiscounted,
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textAlign: TextAlign.right,
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),
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)
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],
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),
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),
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_createAvailableBar(flashsaleData[index].sale.toDouble(),
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flashsaleData[index].countItem),
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Container(
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margin: EdgeInsets.only(top: 5),
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child: Text(
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flashsaleData[index].countItem -
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flashsaleData[index].sale ==
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0
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? 'Sold out'
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: 'Available',
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style: TextStyle(
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color: CHARCOAL,
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fontSize: 12,
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fontWeight: FontWeight.bold)),
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)
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],
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),
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),
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],
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),
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),
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),
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);
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}
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Widget _createAvailableBar(double sale, double total) {
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final double availableWidth =
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((MediaQuery.of(context).size.width) - 24) / 2 - 28;
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return Container(
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margin: EdgeInsets.only(top: 10),
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child: Container(
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child: Row(
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children: [
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Container(
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width: sale / total * (availableWidth),
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height: 5,
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decoration: BoxDecoration(
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color: SOFT_BLUE,
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(10),
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bottomLeft: Radius.circular(10),
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topRight: Radius.circular(sale == total ? 10 : 0),
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bottomRight: Radius.circular(sale == total ? 10 : 0)),
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),
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),
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Container(
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width: (total - sale) / total * (availableWidth),
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height: 5,
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decoration: BoxDecoration(
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color: Colors.grey[300],
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(sale == 0 ? 10 : 0),
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bottomLeft: Radius.circular(sale == 0 ? 10 : 0),
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topRight: Radius.circular(10),
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bottomRight: Radius.circular(10)),
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),
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),
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],
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),
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),
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);
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}
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}
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