294 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Dart
		
	
	
	
	
	
			
		
		
	
	
			294 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Dart
		
	
	
	
	
	
| import 'package:easy_localization/easy_localization.dart';
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| import 'package:fl_chart/fl_chart.dart';
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| import 'package:flutter/material.dart';
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| import 'package:hooks_riverpod/hooks_riverpod.dart';
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| import 'package:island/models/activity.dart';
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| import 'package:island/widgets/account/event_calendar_content.dart';
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| import 'package:island/widgets/content/sheet.dart';
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| import 'package:styled_widget/styled_widget.dart';
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| 
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| /// A widget that displays a graph of fortune levels over time
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| /// This can be used alongside the EventCalendarWidget to provide a different visualization
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| class FortuneGraphWidget extends HookConsumerWidget {
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|   /// The list of calendar entries to display
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|   final AsyncValue<List<SnEventCalendarEntry>> events;
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| 
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|   /// Whether to constrain the width of the graph
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|   final bool constrainWidth;
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| 
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|   /// Maximum width constraint when constrainWidth is true
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|   final double maxWidth;
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| 
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|   /// Height of the graph
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|   final double height;
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| 
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|   /// Callback when a point is selected
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|   final void Function(DateTime)? onPointSelected;
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| 
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|   final String? eventCalandarUser;
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| 
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|   final EdgeInsets? margin;
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| 
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|   const FortuneGraphWidget({
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|     super.key,
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|     required this.events,
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|     this.constrainWidth = false,
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|     this.maxWidth = double.infinity,
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|     this.height = 180,
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|     this.onPointSelected,
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|     this.eventCalandarUser,
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|     this.margin,
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|   });
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| 
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|   @override
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|   Widget build(BuildContext context, WidgetRef ref) {
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|     // Filter events to only include those with check-in results
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|     final filteredEvents = events.whenData(
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|       (data) =>
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|           data
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|               .where((event) => event.checkInResult != null)
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|               .toList()
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|               .cast<SnEventCalendarEntry>()
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|             // Sort by date
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|             ..sort((a, b) => a.date.compareTo(b.date)),
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|     );
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| 
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|     final content = Column(
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|       crossAxisAlignment: CrossAxisAlignment.stretch,
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|       children: [
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|         Row(
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|           mainAxisAlignment: MainAxisAlignment.spaceBetween,
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|           children: [
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|             Text('fortuneGraph').tr().fontSize(18).bold(),
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|             if (eventCalandarUser != null)
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|               IconButton(
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|                 icon: const Icon(Icons.calendar_month, size: 20),
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|                 visualDensity: const VisualDensity(
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|                   horizontal: -4,
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|                   vertical: -4,
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|                 ),
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|                 padding: EdgeInsets.zero,
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|                 constraints: const BoxConstraints(),
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|                 onPressed: () {
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|                   showModalBottomSheet(
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|                     context: context,
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|                     isScrollControlled: true,
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|                     builder:
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|                         (context) => SheetScaffold(
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|                           titleText: 'eventCalendar'.tr(),
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|                           child: EventCalendarContent(
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|                             name: eventCalandarUser!,
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|                             isSheet: true,
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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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|         ).padding(all: 16, bottom: 24),
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|         SizedBox(
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|           height: height,
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|           child: filteredEvents.when(
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|             data: (data) {
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|               if (data.isEmpty) {
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|                 return Center(child: Text('noFortuneData').tr());
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|               }
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| 
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|               // Create spots for the line chart
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|               final spots =
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|                   data
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|                       .map(
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|                         (e) => FlSpot(
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|                           e.date.millisecondsSinceEpoch.toDouble(),
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|                           e.checkInResult!.level.toDouble(),
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|                         ),
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|                       )
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|                       .toList();
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| 
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|               // Get min and max dates for the x-axis
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|               final minDate = data.first.date;
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|               final maxDate = data.last.date;
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| 
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|               return Padding(
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|                 padding: const EdgeInsets.fromLTRB(16, 0, 16, 0),
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|                 child: LineChart(
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|                   LineChartData(
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|                     gridData: FlGridData(
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|                       show: true,
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|                       horizontalInterval: 1,
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|                       drawVerticalLine: false,
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|                     ),
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|                     titlesData: FlTitlesData(
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|                       bottomTitles: AxisTitles(
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|                         sideTitles: SideTitles(
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|                           showTitles: true,
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|                           reservedSize: 30,
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|                           interval: _calculateDateInterval(minDate, maxDate),
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|                           getTitlesWidget: (value, meta) {
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|                             final date = DateTime.fromMillisecondsSinceEpoch(
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|                               value.toInt(),
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|                             );
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|                             return Padding(
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|                               padding: const EdgeInsets.only(top: 8.0),
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|                               child: Text(
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|                                 DateFormat.MMMd().format(date),
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|                                 style: TextStyle(fontSize: 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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|                       leftTitles: AxisTitles(
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|                         sideTitles: SideTitles(
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|                           showTitles: true,
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|                           interval: 1,
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|                           reservedSize: 40,
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|                           getTitlesWidget: (value, meta) {
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|                             final level = value.toInt();
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|                             if (level < 0 || level > 4) return const SizedBox();
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|                             return Padding(
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|                               padding: const EdgeInsets.only(right: 8.0),
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|                               child: Text(
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|                                 'checkInResultT$level'.tr(),
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|                                 style: TextStyle(fontSize: 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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|                       topTitles: AxisTitles(
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|                         sideTitles: SideTitles(showTitles: false),
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|                       ),
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|                       rightTitles: AxisTitles(
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|                         sideTitles: SideTitles(showTitles: false),
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|                       ),
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|                     ),
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|                     borderData: FlBorderData(
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|                       show: true,
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|                       border: Border(
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|                         bottom: BorderSide(
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|                           color: Theme.of(context).dividerColor,
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|                         ),
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|                         left: BorderSide(color: Theme.of(context).dividerColor),
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|                       ),
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|                     ),
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|                     minX: minDate.millisecondsSinceEpoch.toDouble(),
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|                     maxX: maxDate.millisecondsSinceEpoch.toDouble(),
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|                     minY: 0,
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|                     maxY: 4,
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|                     lineTouchData: LineTouchData(
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|                       touchTooltipData: LineTouchTooltipData(
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|                         getTooltipItems: (touchedSpots) {
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|                           return touchedSpots.map((spot) {
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|                             final date = DateTime.fromMillisecondsSinceEpoch(
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|                               spot.x.toInt(),
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|                             );
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|                             final level = spot.y.toInt();
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|                             return LineTooltipItem(
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|                               '${DateFormat.yMMMd().format(date)}\n',
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|                               TextStyle(
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|                                 color: Theme.of(context).colorScheme.onSurface,
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|                                 fontWeight: FontWeight.bold,
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|                               ),
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|                               children: [
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|                                 TextSpan(
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|                                   text: 'checkInResultLevel$level'.tr(),
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|                                   style: TextStyle(
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|                                     color:
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|                                         Theme.of(context).colorScheme.onSurface,
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|                                     fontWeight: FontWeight.normal,
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|                                   ),
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|                                 ),
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|                               ],
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|                             );
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|                           }).toList();
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|                         },
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|                       ),
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|                       touchCallback: (
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|                         FlTouchEvent event,
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|                         LineTouchResponse? response,
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|                       ) {
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|                         if (event is FlTapUpEvent &&
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|                             response != null &&
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|                             response.lineBarSpots != null &&
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|                             response.lineBarSpots!.isNotEmpty) {
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|                           final spot = response.lineBarSpots!.first;
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|                           final date = DateTime.fromMillisecondsSinceEpoch(
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|                             spot.x.toInt(),
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|                           );
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|                           onPointSelected?.call(date);
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|                         }
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|                       },
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|                     ),
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|                     lineBarsData: [
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|                       LineChartBarData(
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|                         spots: spots,
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|                         isCurved: true,
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|                         color: Theme.of(context).colorScheme.primary,
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|                         barWidth: 3,
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|                         isStrokeCapRound: true,
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|                         dotData: FlDotData(
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|                           show: true,
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|                           getDotPainter: (spot, percent, barData, index) {
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|                             return FlDotCirclePainter(
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|                               radius: 4,
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|                               color: Theme.of(context).colorScheme.primary,
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|                               strokeWidth: 2,
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|                               strokeColor:
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|                                   Theme.of(context).colorScheme.surface,
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|                             );
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|                           },
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|                         ),
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|                         belowBarData: BarAreaData(
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|                           show: true,
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|                           color: Theme.of(
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|                             context,
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|                           ).colorScheme.primary.withOpacity(0.2),
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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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|             loading: () => const Center(child: CircularProgressIndicator()),
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|             error: (error, stack) => Center(child: Text('Error: $error')),
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|           ),
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|         ),
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|       ],
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|     );
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| 
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|     if (constrainWidth) {
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|       return ConstrainedBox(
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|         constraints: BoxConstraints(maxWidth: maxWidth),
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|         child: Card(margin: margin ?? EdgeInsets.all(16), child: content),
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|       ).center();
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|     }
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| 
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|     return content;
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|   }
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| 
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|   /// Calculate an appropriate interval for date labels based on the date range
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|   double _calculateDateInterval(DateTime minDate, DateTime maxDate) {
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|     final difference = maxDate.difference(minDate).inDays;
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| 
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|     // If less than 7 days, show all days
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|     if (difference <= 7) {
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|       return 24 * 60 * 60 * 1000; // One day in milliseconds
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|     }
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| 
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|     // If less than a month, show every 3 days
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|     if (difference <= 30) {
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|       return 3 * 24 * 60 * 60 * 1000; // Three days in milliseconds
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|     }
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| 
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|     // If less than 3 months, show weekly
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|     if (difference <= 90) {
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|       return 7 * 24 * 60 * 60 * 1000; // One week in milliseconds
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|     }
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| 
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|     // Otherwise show every 2 weeks
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|     return 14 * 24 * 60 * 60 * 1000; // Two weeks in milliseconds
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|   }
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| }
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