didvan-app/lib/views/widgets/didvan/page_view.dart

1051 lines
46 KiB
Dart

// ignore_for_file: deprecated_member_use
import 'dart:async';
import 'dart:math';
import 'package:carousel_slider/carousel_slider.dart';
import 'package:didvan/config/design_config.dart';
import 'package:didvan/config/theme_data.dart';
import 'package:didvan/constants/app_icons.dart';
import 'package:didvan/main.dart';
import 'package:didvan/models/requests/news.dart';
import 'package:didvan/models/requests/radar.dart';
import 'package:didvan/routes/routes.dart';
import 'package:didvan/services/app_initalizer.dart';
import 'package:didvan/services/media/media.dart';
import 'package:didvan/utils/action_sheet.dart';
import 'package:didvan/views/home/media/widgets/audio_waveform_progress.dart';
import 'package:didvan/views/widgets/animated_visibility.dart';
import 'package:didvan/views/widgets/didvan/button.dart';
import 'package:didvan/views/widgets/didvan/card.dart';
import 'package:didvan/views/widgets/didvan/divider.dart';
import 'package:didvan/views/widgets/didvan/text.dart';
import 'package:didvan/views/widgets/ink_wrapper.dart';
import 'package:didvan/views/widgets/item_title.dart';
import 'package:didvan/views/widgets/overview/multitype.dart';
import 'package:didvan/views/widgets/skeleton_image.dart';
import 'package:didvan/views/widgets/tag_item.dart';
import 'package:flutter/material.dart';
import 'package:flutter_html/flutter_html.dart';
import 'package:flutter_svg/svg.dart';
import 'package:just_audio/just_audio.dart';
import 'package:persian_number_utility/persian_number_utility.dart';
import 'package:url_launcher/url_launcher_string.dart';
class DidvanPageView extends StatefulWidget {
final List items;
final int initialIndex;
final int currentIndex;
final bool isRadar;
final void Function(int id, bool value) onMarkChanged;
final ScrollController scrollController;
final void Function(int index) onPageChanged;
const DidvanPageView({
Key? key,
required this.initialIndex,
required this.items,
required this.scrollController,
required this.onPageChanged,
required this.isRadar,
required this.currentIndex,
required this.onMarkChanged,
}) : super(key: key);
@override
State<DidvanPageView> createState() => _DidvanPageViewState();
}
class _DidvanPageViewState extends State<DidvanPageView> {
static String? _lastPlayedUrl;
String _formatDuration(Duration duration) {
String twoDigits(int n) => n.toString().padLeft(2, "0");
String twoDigitMinutes = twoDigits(duration.inMinutes.remainder(60));
String twoDigitSeconds = twoDigits(duration.inSeconds.remainder(60));
return "${duration.inHours > 0 ? '${twoDigits(duration.inHours)}:' : ''}$twoDigitMinutes:$twoDigitSeconds";
}
PopupMenuItem<double> popUpSpeed({required double value}) {
return PopupMenuItem<double>(
value: value,
child: DidvanText('$value X'),
);
}
String _getCategoryIcon(String label) {
if (label.contains('سیاسی')) {
return 'lib/assets/icons/SiasiNoBG.svg';
} else if (label.contains('کسب')) {
return 'lib/assets/icons/KasbokarNoBG.svg';
} else if (label.contains('اقتصادی')) {
return 'lib/assets/icons/Economic_NoBG.svg';
} else if (label.contains('اجتماعی')) {
return 'lib/assets/icons/EjtemaeiNoBg.svg';
} else if (label.contains('محیطی') || label.contains('زیست')) {
return 'lib/assets/icons/ZistMohitNoBG.svg';
} else if (label.contains('فناوری')) {
return 'lib/assets/icons/FanavariNoBG.svg';
}
return 'lib/assets/icons/discovery.svg';
}
@override
void dispose() {
MediaService.audioPlayer.stop();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Theme.of(context).colorScheme.background,
appBar: PreferredSize(
preferredSize: const Size.fromHeight(90.0),
child: AppBar(
backgroundColor: Theme.of(context).colorScheme.surface,
elevation: 0,
automaticallyImplyLeading: false,
flexibleSpace: SafeArea(
child: Container(
padding:
const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Center(
child: SvgPicture.asset(
'lib/assets/images/logos/logo-horizontal-light.svg',
height: 55,
),
),
IconButton(
icon: SvgPicture.asset(
'lib/assets/icons/arrow-left.svg',
color: Theme.of(context).colorScheme.caption,
height: 24,
),
onPressed: () {
Navigator.pop(context);
},
),
],
),
),
),
)),
body: Column(
children: [
Expanded(
child: Stack(
children: [
Directionality(
textDirection: TextDirection.ltr,
child: CarouselSlider.builder(
itemCount: widget.items.length,
options: CarouselOptions(
onPageChanged: (index, reason) =>
widget.onPageChanged(index),
height: double.infinity,
initialPage: widget.initialIndex,
viewportFraction: 1.0,
enableInfiniteScroll: false,
scrollPhysics: const BouncingScrollPhysics(),
),
itemBuilder: (context, index, realIndex) {
final item = widget.items[index];
if (item == null) {
return const SizedBox();
}
final bool isActive = index == widget.currentIndex;
return Directionality(
textDirection: TextDirection.rtl,
child: LayoutBuilder(
builder: (context, constraints) {
final double imageHeight =
constraints.maxWidth / (16 / 9);
const double overlap = 24.0;
return SizedBox(
height: constraints.maxHeight,
child: SingleChildScrollView(
controller:
isActive ? widget.scrollController : null,
physics: const BouncingScrollPhysics(),
padding: const EdgeInsets.only(bottom: 92),
child: Stack(
children: [
Positioned(
top: 0,
left: 0,
right: 0,
height: imageHeight,
child: SkeletonImage(
imageUrl: item.image,
borderRadius: BorderRadius.zero,
width: double.infinity,
),
),
if (widget.isRadar &&
item.categories != null &&
item.categories.isNotEmpty)
Positioned(
top: 16,
left: 16,
child: Wrap(
spacing: 8.0,
runSpacing: 8.0,
direction: Axis.horizontal,
alignment: WrapAlignment.start,
children: [
for (var i = 0;
i < item.categories.length;
i++)
Container(
padding:
const EdgeInsets.symmetric(
horizontal: 12,
vertical: 6),
decoration: BoxDecoration(
color: const Color.fromARGB(
255, 230, 242, 246),
borderRadius:
BorderRadius.circular(16),
),
child: Row(
mainAxisSize:
MainAxisSize.min,
children: [
SvgPicture.asset(
_getCategoryIcon(item
.categories[i].label),
height: 16,
width: 16,
color:
const Color.fromARGB(
255, 25, 93, 128),
),
const SizedBox(width: 6),
DidvanText(
item.categories[i].label,
style: Theme.of(context)
.textTheme
.bodySmall
?.copyWith(
color: const Color
.fromARGB(255,
25, 93, 128),
fontWeight:
FontWeight.bold,
fontSize: 12,
),
),
],
),
),
],
),
),
Container(
margin: EdgeInsets.only(
top: imageHeight - overlap),
decoration: BoxDecoration(
color: Theme.of(context)
.colorScheme
.background,
borderRadius:
const BorderRadius.vertical(
top: Radius.circular(24),
),
boxShadow: [
BoxShadow(
color:
Colors.black.withOpacity(0.05),
blurRadius: 10,
offset: const Offset(0, -5),
),
],
),
child: Padding(
padding: const EdgeInsets.symmetric(
vertical: 24),
child: Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
if (widget.isRadar &&
item.podcast != null)
_AnimatedEntry(
isActive: isActive,
delay: 0,
child: _buildPodcastStylePlayer(
context, item),
),
_AnimatedEntry(
isActive: isActive,
delay: 100,
child: Padding(
padding:
const EdgeInsets.symmetric(
horizontal: 16),
child: DidvanText(
item.title,
style: Theme.of(context)
.textTheme
.titleMedium,
),
),
),
const SizedBox(height: 8),
if (!widget.isRadar &&
item.description != null &&
item.description!.isNotEmpty)
_AnimatedEntry(
isActive: isActive,
delay: 200,
child: Padding(
padding: const EdgeInsets
.symmetric(
horizontal: 16),
child: Column(
crossAxisAlignment:
CrossAxisAlignment
.start,
children: [
DidvanText(
'خلاصه خبر:',
style: Theme.of(context)
.textTheme
.bodyMedium
?.copyWith(
color: Theme.of(
context)
.colorScheme
.primary,
fontWeight:
FontWeight
.bold,
),
),
const SizedBox(height: 8),
DidvanText(
item.description!,
style:
Theme.of(context)
.textTheme
.bodyMedium
?.copyWith(
color: const Color
.fromARGB(
255,
102,
102,
102),
)),
const SizedBox(height: 2),
const DidvanDivider(),
],
),
),
),
if (widget.isRadar &&
item.description != null &&
item.description!.isNotEmpty)
_AnimatedEntry(
isActive: isActive,
delay: 200,
child: Padding(
padding: const EdgeInsets
.symmetric(
horizontal: 16),
child: Column(
crossAxisAlignment:
CrossAxisAlignment
.start,
children: [
DidvanText(
'خلاصه پویش افق:',
style: Theme.of(context)
.textTheme
.bodyMedium
?.copyWith(
color: Theme.of(
context)
.colorScheme
.primary,
fontWeight:
FontWeight
.bold,
),
),
const SizedBox(height: 8),
DidvanText(
item.description!,
style: Theme.of(context)
.textTheme
.bodyMedium
?.copyWith(
color: const Color
.fromARGB(
255,
102,
102,
102),
),
),
const SizedBox(height: 2),
const DidvanDivider(),
],
),
),
),
_AnimatedEntry(
isActive: isActive,
delay: 300,
child: Padding(
padding:
const EdgeInsets.symmetric(
horizontal: 16),
child: _subtitle(item),
),
),
_AnimatedEntry(
isActive: isActive,
delay: 400,
child: Column(
children: [
for (var i = 0;
i < item.contents.length;
i++)
Padding(
padding: const EdgeInsets
.symmetric(
horizontal: 16,
vertical: 4,
),
child: _contentBuilder(
item, i),
),
],
),
),
if (item.tags.isNotEmpty)
const SizedBox(height: 20),
Padding(
padding:
const EdgeInsets.symmetric(
horizontal: 16),
child: Wrap(
spacing: 8,
runSpacing: 8,
children: [
for (var i = 0;
i < item.tags.length;
i++)
TagItem(
tag: item.tags[i],
onMarkChanged:
widget.onMarkChanged,
type: widget.isRadar
? 'radar'
: 'news',
),
],
),
),
const Padding(
padding: EdgeInsets.only(
left: 16,
right: 16,
top: 16,
),
child: DidvanDivider(
verticalPadding: 0),
),
const Padding(
padding: EdgeInsets.symmetric(
horizontal: 16.0,
vertical: 16.0),
child: ItemTitle(
title: 'مطالب مرتبط:'),
),
if (item.relatedContents.isEmpty &&
!item.relatedContentsIsEmpty)
for (var i = 0; i < 3; i++)
Padding(
padding:
const EdgeInsets.only(
bottom: 8,
left: 16,
right: 16,
),
child: MultitypeOverview
.placeholder,
),
for (var i = 0;
i < item.relatedContents.length;
i++)
Padding(
padding:
const EdgeInsets.symmetric(
horizontal: 16,
vertical: 4),
child: MultitypeOverview(
item: item.relatedContents[i],
onMarkChanged: (id, value) {},
),
),
const SizedBox(height: 8),
],
),
),
),
],
),
),
);
},
),
);
},
),
),
],
),
),
],
),
);
}
Widget _buildPodcastStylePlayer(BuildContext context, dynamic item) {
return Column(
mainAxisSize: MainAxisSize.min,
children: [
const SizedBox(
height: 16,
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Row(
children: [
Expanded(
child: StreamBuilder<Duration>(
stream: MediaService.audioPlayer.positionStream,
builder: (context, snapshot) {
final position = snapshot.data ?? Duration.zero;
return StreamBuilder<Duration?>(
stream: MediaService.audioPlayer.durationStream,
builder: (context, durationSnapshot) {
final totalDuration = durationSnapshot.data ??
Duration(
minutes:
int.tryParse(item.duration.toString()) ??
0);
final progress = totalDuration.inMilliseconds > 0
? position.inMilliseconds /
totalDuration.inMilliseconds
: 0.0;
return Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
DidvanText(
_formatDuration(totalDuration),
style: TextStyle(
fontSize: 12,
color: Theme.of(context).colorScheme.caption,
),
),
const SizedBox(width: 8),
Expanded(
child: AudioWaveformProgress(
progress: progress.clamp(0.0, 1.0),
isActive: true,
onChanged: (value) {
final newPosition = Duration(
milliseconds:
(totalDuration.inMilliseconds * value)
.round(),
);
MediaService.audioPlayer.seek(newPosition);
},
),
),
const SizedBox(width: 8),
DidvanText(
_formatDuration(position),
style: TextStyle(
fontSize: 12,
color: Theme.of(context).colorScheme.caption,
),
),
],
);
},
);
},
),
),
],
),
),
const SizedBox(height: 16),
Row(
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
IconButton(
icon: SvgPicture.asset(
'lib/assets/icons/timer-pause.svg',
width: 24,
height: 24,
color: Theme.of(context).colorScheme.caption,
),
onPressed: () {
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
content: Text("تایمر خواب در این بخش فعال نیست")));
},
),
IconButton(
onPressed: () {
MediaService.audioPlayer.seek(
Duration(
seconds: max(
0, MediaService.audioPlayer.position.inSeconds + 10),
),
);
},
icon: SvgPicture.asset('lib/assets/icons/forward-10-seconds.svg'),
),
StreamBuilder<PlayerState>(
stream: MediaService.audioPlayer.playerStateStream,
builder: (context, snapshot) {
final playerState = snapshot.data;
final processingState = playerState?.processingState;
final playing = playerState?.playing;
if (processingState == ProcessingState.loading ||
processingState == ProcessingState.buffering) {
return Container(
margin: const EdgeInsets.all(8.0),
width: 48.0,
height: 48.0,
child: const CircularProgressIndicator(),
);
} else if (playing != true) {
return IconButton(
icon: const Icon(Icons.play_circle_fill, size: 68),
color: Theme.of(context).primaryColor,
onPressed: () async {
if (_lastPlayedUrl != item.podcast) {
_lastPlayedUrl = item.podcast;
await MediaService.audioPlayer.setUrl(item.podcast);
}
MediaService.audioPlayer.play();
},
);
} else if (processingState != ProcessingState.completed) {
return IconButton(
icon: const Icon(Icons.pause_circle_filled, size: 68),
color: Theme.of(context).primaryColor,
onPressed: MediaService.audioPlayer.pause,
);
} else {
return IconButton(
icon: const Icon(Icons.replay_circle_filled, size: 48),
color: Theme.of(context).primaryColor,
onPressed: () =>
MediaService.audioPlayer.seek(Duration.zero),
);
}
},
),
IconButton(
onPressed: () {
MediaService.audioPlayer.seek(
Duration(
seconds:
max(0, MediaService.audioPlayer.position.inSeconds - 5),
),
);
},
icon: SvgPicture.asset('lib/assets/icons/backward-5-seconds.svg'),
),
StreamBuilder<double>(
stream: MediaService.audioPlayer.speedStream,
builder: (context, snapshot) {
if (!snapshot.hasData) return const SizedBox();
return PopupMenuButton<double>(
child: Container(
padding:
const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
borderRadius: DesignConfig.mediumBorderRadius,
border: Border.all(
color: Theme.of(context).colorScheme.caption)),
child: DidvanText(
'${snapshot.data!.toString().replaceAll('.0', '')}X',
style: TextStyle(
fontWeight: FontWeight.w900,
color: Theme.of(context).colorScheme.caption,
fontSize: 12),
),
),
onSelected: (value) async {
await MediaService.audioPlayer.setSpeed(value);
},
itemBuilder: (BuildContext context) =>
<PopupMenuEntry<double>>[
popUpSpeed(value: 0.5),
popUpSpeed(value: 0.75),
popUpSpeed(value: 1.0),
popUpSpeed(value: 1.25),
popUpSpeed(value: 1.5),
popUpSpeed(value: 2.0),
],
);
},
),
],
),
const SizedBox(height: 16),
],
);
}
Widget _contentBuilder(dynamic item, int index) {
final content = item.contents[index];
if (content.text != null) {
return Html(
data: content.text,
onAnchorTap: (href, _, element) {
if (href!.contains('navigate-')) {
if (href.contains('statistic')) {
Navigator.of(navigatorKey.currentContext!)
.pushNamed(Routes.statisticDetails, arguments: {
'onMarkChanged': (value) {},
'label': href.split('-')[2],
'title': href.split('-').last,
'marked': false,
});
} else if (href.contains('radar')) {
Navigator.of(navigatorKey.currentContext!).pushNamed(
Routes.radarDetails,
arguments: {
'onMarkChanged': (id, value) {},
'onCommentsChanged': (id, count) {},
'id': int.parse(href.split('-').last),
'args': const RadarRequestArgs(page: 0),
'hasUnmarkConfirmation': false,
},
);
} else if (href.contains('news')) {
Navigator.of(navigatorKey.currentContext!).pushNamed(
Routes.newsDetails,
arguments: {
'onMarkChanged': (id, value) {},
'id': int.parse(href.split('-').last),
'args': const NewsRequestArgs(page: 0),
'hasUnmarkConfirmation': false,
},
);
}
} else if (href.contains('popup-')) {
showDialog(
context: context,
builder: (context) => Dialog(
shape: const RoundedRectangleBorder(
borderRadius: DesignConfig.lowBorderRadius,
),
alignment: Alignment.center,
child: SizedBox(
width: ActionSheetUtils(context).mediaQueryData.size.width,
child: DidvanCard(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Row(
children: [
Icon(
DidvanIcons.info_circle_solid,
color: Theme.of(context).colorScheme.primary,
),
const SizedBox(width: 8),
DidvanText(
element!.text,
style: Theme.of(context).textTheme.titleSmall,
),
],
),
const SizedBox(height: 8),
DidvanText(href.split('-').last),
const SizedBox(height: 16),
DidvanButton(
title: 'بستن',
onPressed: ActionSheetUtils(context).pop,
),
],
),
),
),
),
);
} else {
AppInitializer.openWebLink(context, href,
mode: LaunchMode.inAppWebView);
}
},
style: {
'*': Style(
direction: TextDirection.rtl,
textAlign: TextAlign.right,
lineHeight: LineHeight.percent(135),
margin: const Margins(),
padding: HtmlPaddings.zero,
color: const Color.fromRGBO(102, 102, 102, 1),
),
'a': Style(
textAlign: TextAlign.left,
color: const Color.fromARGB(255, 0, 126, 167),
textDecoration: TextDecoration.none,
fontWeight: FontWeight.normal,
),
},
);
}
if (content.image != null) {
return Column(
children: [
GestureDetector(
onTap: () {
showDialog(
context: context,
builder: (context) => Stack(
children: [
Positioned.fill(
child: InteractiveViewer(
child: Center(
child: SkeletonImage(
width: min(MediaQuery.of(context).size.width,
MediaQuery.of(context).size.height),
imageUrl: content.largeImage ?? content.image,
),
),
),
),
const Positioned(
right: 24,
top: 24,
child: _BackButton(),
),
],
),
);
},
child: SkeletonImage(
imageUrl: content.image!,
width: double.infinity,
),
),
if (content.caption != null)
Center(
child: DidvanText(
content.caption,
textAlign: TextAlign.center,
style: Theme.of(context).textTheme.bodySmall,
),
),
],
);
}
return const SizedBox();
}
Widget _subtitle(dynamic item) {
if (widget.isRadar) {
return Wrap(
crossAxisAlignment: WrapCrossAlignment.center,
children: [
SvgPicture.asset('lib/assets/icons/calendar.svg'),
const SizedBox(
width: 5,
),
DidvanText(
DateTime.parse(item.createdAt!).toPersianDateStr(),
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.caption,
),
),
],
);
} else {
return Row(
children: [
SvgPicture.asset('lib/assets/icons/calendar.svg'),
const SizedBox(
width: 5,
),
DidvanText(
DateTime.parse(item.createdAt!).toPersianDateStr(),
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.caption,
),
),
],
);
}
}
}
class _BackButton extends StatefulWidget {
final ScrollController? scrollController;
// ignore: unused_element_parameter
const _BackButton({Key? key, this.scrollController}) : super(key: key);
@override
__BackButtonState createState() => __BackButtonState();
}
class __BackButtonState extends State<_BackButton> {
bool _isVisible = false;
@override
void didUpdateWidget(covariant _BackButton oldWidget) {
if (widget.scrollController != null) {
_isVisible = false;
_handleScroll();
}
super.didUpdateWidget(oldWidget);
}
@override
void initState() {
if (widget.scrollController != null) {
_handleScroll();
} else {
_isVisible = true;
}
super.initState();
}
void _handleScroll() {
widget.scrollController!.addListener(() {
final position = widget.scrollController!.position.pixels;
final size = MediaQuery.of(context).size.height * 0.3;
if (position > size && _isVisible == false) {
setState(() {
_isVisible = true;
});
}
if (position < size && _isVisible == true) {
setState(() {
_isVisible = false;
});
}
});
}
@override
Widget build(BuildContext context) {
return AnimatedVisibility(
duration: DesignConfig.lowAnimationDuration,
isVisible: _isVisible,
child: InkWrapper(
borderRadius: DesignConfig.lowBorderRadius,
onPressed: Navigator.of(context).pop,
child: Container(
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.splash,
border: Border.all(color: Theme.of(context).colorScheme.border),
borderRadius: DesignConfig.lowBorderRadius,
),
child: const Icon(
DidvanIcons.back_regular,
size: 32,
),
),
),
);
}
}
class _AnimatedEntry extends StatefulWidget {
final Widget child;
final int delay;
final bool isActive;
const _AnimatedEntry({
Key? key,
required this.child,
required this.delay,
required this.isActive,
}) : super(key: key);
@override
State<_AnimatedEntry> createState() => _AnimatedEntryState();
}
class _AnimatedEntryState extends State<_AnimatedEntry> {
bool _shouldAnimate = false;
Timer? _timer;
@override
void initState() {
super.initState();
_checkAnimation();
}
@override
void didUpdateWidget(covariant _AnimatedEntry oldWidget) {
super.didUpdateWidget(oldWidget);
if (widget.isActive != oldWidget.isActive) {
_checkAnimation();
}
}
@override
void dispose() {
_timer?.cancel();
super.dispose();
}
void _checkAnimation() {
if (widget.isActive) {
_timer?.cancel();
_timer = Timer(Duration(milliseconds: widget.delay), () {
if (mounted) {
setState(() {
_shouldAnimate = true;
});
}
});
} else {
_timer?.cancel();
if (_shouldAnimate) {
setState(() {
_shouldAnimate = false;
});
}
}
}
@override
Widget build(BuildContext context) {
return AnimatedOpacity(
duration: const Duration(milliseconds: 500),
curve: Curves.easeOut,
opacity: _shouldAnimate ? 1.0 : 0.0,
child: AnimatedPadding(
duration: const Duration(milliseconds: 600),
curve: Curves.easeOutQuart,
padding: EdgeInsets.only(top: _shouldAnimate ? 0 : 50),
child: widget.child,
),
);
}
}