579 lines
16 KiB
Dart
579 lines
16 KiB
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 '../manager/analysis_range.dart';
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import '../manager/analysis_chart_metric.dart';
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import '../manager/analysis_ui_state.dart';
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import '../manager/analysis_view_model.dart';
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import '../widgets/analysis_line_chart.dart';
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class AnalysisPage extends ConsumerWidget {
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const AnalysisPage({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final theme = Theme.of(context);
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final rangePreset = ref.watch(analysisRangeNotifierProvider);
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final chartMetric = ref.watch(analysisChartMetricNotifierProvider);
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final stateAsync = ref.watch(analysisViewModelProvider);
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return Scaffold(
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backgroundColor: theme.scaffoldBackgroundColor,
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appBar: AppBar(
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title: const Text('Analysis'),
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backgroundColor: theme.scaffoldBackgroundColor,
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surfaceTintColor: theme.scaffoldBackgroundColor,
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elevation: 0,
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scrolledUnderElevation: 0,
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),
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body: RefreshIndicator(
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onRefresh: () async => ref.invalidate(analysisViewModelProvider),
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child: ListView(
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physics: const AlwaysScrollableScrollPhysics(),
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padding: const EdgeInsets.fromLTRB(16, 12, 16, 24),
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children: [
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_RangeSelector(
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selected: rangePreset,
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onSelected: (preset) => ref
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.read(analysisRangeNotifierProvider.notifier)
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.setRange(preset),
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),
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const SizedBox(height: 10),
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_ChartMetricSelector(
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selected: chartMetric,
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onSelected: (metric) => ref
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.read(analysisChartMetricNotifierProvider.notifier)
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.setMetric(metric),
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),
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const SizedBox(height: 12),
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stateAsync.when(
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data: (state) =>
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_AnalysisBody(state: state, chartMetric: chartMetric),
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loading: () => const _LoadingBody(),
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error: (error, stackTrace) => _ErrorBody(
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onRetry: () => ref.invalidate(analysisViewModelProvider),
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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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class _RangeSelector extends StatelessWidget {
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const _RangeSelector({required this.selected, required this.onSelected});
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final AnalysisRangePreset selected;
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final ValueChanged<AnalysisRangePreset> onSelected;
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@override
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Widget build(BuildContext context) {
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return SegmentedButton<AnalysisRangePreset>(
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segments: AnalysisRangePreset.values
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.map(
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(preset) => ButtonSegment(value: preset, label: Text(preset.label)),
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)
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.toList(growable: false),
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selected: <AnalysisRangePreset>{selected},
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onSelectionChanged: (selection) {
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if (selection.isEmpty) return;
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onSelected(selection.first);
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},
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);
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}
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}
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class _AnalysisBody extends StatelessWidget {
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const _AnalysisBody({required this.state, required this.chartMetric});
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final AnalysisUiState state;
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final AnalysisChartMetric chartMetric;
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@override
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Widget build(BuildContext context) {
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final summary = state.summary ?? AnalysisSummaryUiModel.empty;
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final series = state.series ?? const <AnalysisSeriesPointUiModel>[];
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final rangeLabel = state.rangeLabel ?? '';
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final values = series
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.map(
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(p) => switch (chartMetric) {
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AnalysisChartMetric.scans => p.scanCount.toDouble(),
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AnalysisChartMetric.pointsUsed => p.pointsUsed.toDouble(),
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},
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)
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.toList(growable: false);
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final totalValue = switch (chartMetric) {
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AnalysisChartMetric.scans => summary.scans,
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AnalysisChartMetric.pointsUsed => summary.pointsUsed,
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};
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final xLabels = series.map((p) => p.label).toList(growable: false);
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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_ChartCard(
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title: chartMetric.label,
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subtitle: rangeLabel,
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totalValue: totalValue,
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chart: AnalysisLineChart(values: values),
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xLabels: xLabels,
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),
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const SizedBox(height: 12),
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_InsightRow(state: state),
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const SizedBox(height: 12),
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_KpiGrid(summary: summary),
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],
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);
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}
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}
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class _ChartCard extends StatelessWidget {
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const _ChartCard({
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required this.title,
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required this.subtitle,
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required this.totalValue,
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required this.chart,
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required this.xLabels,
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});
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final String title;
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final String subtitle;
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final int totalValue;
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final Widget chart;
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final List<String> xLabels;
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@override
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Widget build(BuildContext context) {
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final colorScheme = Theme.of(context).colorScheme;
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final textTheme = Theme.of(context).textTheme;
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return Container(
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decoration: BoxDecoration(
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color: colorScheme.surface,
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borderRadius: BorderRadius.circular(16),
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border: Border.all(color: colorScheme.outlineVariant.withOpacity(0.5)),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.06),
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blurRadius: 14,
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offset: const Offset(0, 6),
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),
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],
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),
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child: Padding(
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padding: const EdgeInsets.fromLTRB(16, 14, 16, 14),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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title,
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style: textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.w700,
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),
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),
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const SizedBox(height: 4),
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Text(
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subtitle,
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style: textTheme.bodySmall?.copyWith(
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color: colorScheme.onSurfaceVariant,
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),
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),
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],
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),
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),
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Column(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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Text(
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totalValue.toString(),
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style: textTheme.headlineSmall?.copyWith(
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fontWeight: FontWeight.w800,
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),
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),
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const SizedBox(height: 4),
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const SizedBox.shrink(),
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],
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),
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],
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),
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const SizedBox(height: 12),
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chart,
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if (xLabels.isNotEmpty) ...[
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const SizedBox(height: 10),
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_XAxisLabels(labels: xLabels),
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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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class _KpiGrid extends StatelessWidget {
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const _KpiGrid({required this.summary});
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final AnalysisSummaryUiModel summary;
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@override
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Widget build(BuildContext context) {
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return GridView.count(
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crossAxisCount: 2,
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crossAxisSpacing: 12,
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mainAxisSpacing: 12,
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shrinkWrap: true,
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physics: const NeverScrollableScrollPhysics(),
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childAspectRatio: 1.5,
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children: [
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_KpiCard(
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title: 'Scans',
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value: summary.scans.toString(),
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icon: Icons.qr_code_scanner_rounded,
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),
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_KpiCard(
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title: 'Users',
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value: summary.users.toString(),
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icon: Icons.people_alt_rounded,
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),
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_KpiCard(
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title: 'Active Users',
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value: summary.activeUsers.toString(),
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icon: Icons.person_pin_circle_rounded,
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),
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_KpiCard(
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title: 'Points Used',
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value: summary.pointsUsed.toString(),
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icon: Icons.stars_rounded,
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),
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_KpiCard(
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title: 'Points/User',
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value: summary.users == 0
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? '0'
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: (summary.pointsUsed / summary.users).toStringAsFixed(2),
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icon: Icons.functions_rounded,
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),
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_KpiCard(
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title: 'Success Rate',
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value: '${summary.successRatePercent}%',
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icon: Icons.verified_rounded,
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),
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],
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);
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}
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}
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class _ChartMetricSelector extends StatelessWidget {
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const _ChartMetricSelector({
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required this.selected,
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required this.onSelected,
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});
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final AnalysisChartMetric selected;
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final ValueChanged<AnalysisChartMetric> onSelected;
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@override
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Widget build(BuildContext context) {
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return SegmentedButton<AnalysisChartMetric>(
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segments: AnalysisChartMetric.values
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.map(
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(metric) => ButtonSegment(value: metric, label: Text(metric.label)),
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)
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.toList(growable: false),
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selected: <AnalysisChartMetric>{selected},
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onSelectionChanged: (selection) {
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if (selection.isEmpty) return;
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onSelected(selection.first);
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},
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);
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}
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}
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class _XAxisLabels extends StatelessWidget {
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const _XAxisLabels({required this.labels});
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final List<String> labels;
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@override
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Widget build(BuildContext context) {
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final textStyle = Theme.of(context).textTheme.labelSmall;
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final onSurfaceVariant = Theme.of(context).colorScheme.onSurfaceVariant;
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final count = labels.length;
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final desiredTicks = 4;
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final step = count <= desiredTicks ? 1 : (count - 1) ~/ (desiredTicks - 1);
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final ticks = <int>{0, count - 1};
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for (var i = 0; i < count; i += step) {
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ticks.add(i);
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}
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return Row(
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children: List.generate(count, (i) {
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final show = ticks.contains(i);
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return Expanded(
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child: Align(
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alignment: i == 0
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? Alignment.centerLeft
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: i == count - 1
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? Alignment.centerRight
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: Alignment.center,
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child: Text(
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show ? labels[i] : '',
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: textStyle?.copyWith(color: onSurfaceVariant),
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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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class _InsightRow extends StatelessWidget {
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const _InsightRow({required this.state});
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final AnalysisUiState state;
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@override
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Widget build(BuildContext context) {
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final colorScheme = Theme.of(context).colorScheme;
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final textTheme = Theme.of(context).textTheme;
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final averageScansPerDay = state.averageScansPerDay ?? 0;
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final averagePointsPerDay = state.averagePointsPerDay ?? 0;
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final pointsPerScan = state.pointsPerScan ?? 0;
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final activeUserRatePercent = state.activeUserRatePercent ?? 0;
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return Wrap(
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spacing: 12,
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runSpacing: 12,
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children:
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[
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_InsightCard(
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title: 'Avg scans/day',
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value: averageScansPerDay.toStringAsFixed(1),
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icon: Icons.stacked_line_chart_rounded,
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),
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_InsightCard(
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title: 'Avg points/day',
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value: averagePointsPerDay.toStringAsFixed(1),
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icon: Icons.trending_up_rounded,
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),
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_InsightCard(
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title: 'Points/scan',
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value: pointsPerScan.toStringAsFixed(2),
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icon: Icons.bolt_rounded,
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),
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_InsightCard(
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title: 'Active rate',
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value: '$activeUserRatePercent%',
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icon: Icons.percent_rounded,
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),
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]
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.map((w) {
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return SizedBox(
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width: (MediaQuery.of(context).size.width - 16 * 2 - 12) / 2,
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child: w,
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);
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})
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.toList(growable: false),
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);
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}
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}
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class _InsightCard extends StatelessWidget {
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const _InsightCard({
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required this.title,
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required this.value,
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required this.icon,
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});
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|
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final String title;
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final String value;
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final IconData icon;
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|
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@override
|
||
|
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Widget build(BuildContext context) {
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|
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final colorScheme = Theme.of(context).colorScheme;
|
||
|
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final textTheme = Theme.of(context).textTheme;
|
||
|
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return Container(
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decoration: BoxDecoration(
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|
|
color: colorScheme.surface,
|
||
|
|
borderRadius: BorderRadius.circular(16),
|
||
|
|
border: Border.all(color: colorScheme.outlineVariant.withOpacity(0.5)),
|
||
|
|
boxShadow: [
|
||
|
|
BoxShadow(
|
||
|
|
color: Colors.black.withOpacity(0.06),
|
||
|
|
blurRadius: 14,
|
||
|
|
offset: const Offset(0, 6),
|
||
|
|
),
|
||
|
|
],
|
||
|
|
),
|
||
|
|
child: Padding(
|
||
|
|
padding: const EdgeInsets.fromLTRB(14, 14, 14, 14),
|
||
|
|
child: Row(
|
||
|
|
children: [
|
||
|
|
Container(
|
||
|
|
width: 38,
|
||
|
|
height: 38,
|
||
|
|
decoration: BoxDecoration(
|
||
|
|
color: colorScheme.primaryContainer,
|
||
|
|
shape: BoxShape.circle,
|
||
|
|
),
|
||
|
|
alignment: Alignment.center,
|
||
|
|
child: Icon(
|
||
|
|
icon,
|
||
|
|
color: colorScheme.onPrimaryContainer,
|
||
|
|
size: 20,
|
||
|
|
),
|
||
|
|
),
|
||
|
|
const SizedBox(width: 12),
|
||
|
|
Expanded(
|
||
|
|
child: Column(
|
||
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
||
|
|
children: [
|
||
|
|
Text(
|
||
|
|
value,
|
||
|
|
style: textTheme.titleMedium?.copyWith(
|
||
|
|
fontWeight: FontWeight.w800,
|
||
|
|
),
|
||
|
|
),
|
||
|
|
const SizedBox(height: 2),
|
||
|
|
Text(
|
||
|
|
title,
|
||
|
|
style: textTheme.bodySmall?.copyWith(
|
||
|
|
color: colorScheme.onSurfaceVariant,
|
||
|
|
),
|
||
|
|
),
|
||
|
|
],
|
||
|
|
),
|
||
|
|
),
|
||
|
|
],
|
||
|
|
),
|
||
|
|
),
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class _KpiCard extends StatelessWidget {
|
||
|
|
const _KpiCard({
|
||
|
|
required this.title,
|
||
|
|
required this.value,
|
||
|
|
required this.icon,
|
||
|
|
});
|
||
|
|
|
||
|
|
final String title;
|
||
|
|
final String value;
|
||
|
|
final IconData icon;
|
||
|
|
|
||
|
|
@override
|
||
|
|
Widget build(BuildContext context) {
|
||
|
|
final colorScheme = Theme.of(context).colorScheme;
|
||
|
|
final textTheme = Theme.of(context).textTheme;
|
||
|
|
|
||
|
|
return Container(
|
||
|
|
decoration: BoxDecoration(
|
||
|
|
color: colorScheme.surface,
|
||
|
|
borderRadius: BorderRadius.circular(16),
|
||
|
|
border: Border.all(color: colorScheme.outlineVariant.withOpacity(0.5)),
|
||
|
|
boxShadow: [
|
||
|
|
BoxShadow(
|
||
|
|
color: Colors.black.withOpacity(0.06),
|
||
|
|
blurRadius: 14,
|
||
|
|
offset: const Offset(0, 6),
|
||
|
|
),
|
||
|
|
],
|
||
|
|
),
|
||
|
|
child: Padding(
|
||
|
|
padding: const EdgeInsets.fromLTRB(14, 14, 14, 14),
|
||
|
|
child: Column(
|
||
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
||
|
|
children: [
|
||
|
|
Container(
|
||
|
|
width: 38,
|
||
|
|
height: 38,
|
||
|
|
decoration: BoxDecoration(
|
||
|
|
color: colorScheme.primaryContainer,
|
||
|
|
shape: BoxShape.circle,
|
||
|
|
),
|
||
|
|
alignment: Alignment.center,
|
||
|
|
child: Icon(
|
||
|
|
icon,
|
||
|
|
color: colorScheme.onPrimaryContainer,
|
||
|
|
size: 20,
|
||
|
|
),
|
||
|
|
),
|
||
|
|
const Spacer(),
|
||
|
|
Text(
|
||
|
|
value,
|
||
|
|
style: textTheme.titleLarge?.copyWith(
|
||
|
|
fontWeight: FontWeight.w800,
|
||
|
|
),
|
||
|
|
),
|
||
|
|
const SizedBox(height: 2),
|
||
|
|
Text(
|
||
|
|
title,
|
||
|
|
style: textTheme.bodySmall?.copyWith(
|
||
|
|
color: colorScheme.onSurfaceVariant,
|
||
|
|
),
|
||
|
|
),
|
||
|
|
],
|
||
|
|
),
|
||
|
|
),
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class _LoadingBody extends StatelessWidget {
|
||
|
|
const _LoadingBody();
|
||
|
|
|
||
|
|
@override
|
||
|
|
Widget build(BuildContext context) {
|
||
|
|
return Padding(
|
||
|
|
padding: const EdgeInsets.only(top: 40),
|
||
|
|
child: Center(
|
||
|
|
child: Column(
|
||
|
|
mainAxisSize: MainAxisSize.min,
|
||
|
|
children: const [
|
||
|
|
CircularProgressIndicator(),
|
||
|
|
SizedBox(height: 12),
|
||
|
|
Text('Loading analytics...'),
|
||
|
|
],
|
||
|
|
),
|
||
|
|
),
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class _ErrorBody extends StatelessWidget {
|
||
|
|
const _ErrorBody({required this.onRetry});
|
||
|
|
|
||
|
|
final VoidCallback onRetry;
|
||
|
|
|
||
|
|
@override
|
||
|
|
Widget build(BuildContext context) {
|
||
|
|
return Padding(
|
||
|
|
padding: const EdgeInsets.only(top: 40),
|
||
|
|
child: Center(
|
||
|
|
child: Column(
|
||
|
|
mainAxisSize: MainAxisSize.min,
|
||
|
|
children: [
|
||
|
|
const Text('Unable to load analytics'),
|
||
|
|
const SizedBox(height: 10),
|
||
|
|
TextButton(onPressed: onRetry, child: const Text('Retry')),
|
||
|
|
],
|
||
|
|
),
|
||
|
|
),
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|