422 lines
12 KiB
Dart
422 lines
12 KiB
Dart
import 'package:flutter/foundation.dart' show kIsWeb;
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:qpay/providers/uptime_provider.dart';
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import 'package:qpay/models/uptime_item_model.dart';
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class UptimeStatusScreen extends StatefulWidget {
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const UptimeStatusScreen({super.key});
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@override
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State<UptimeStatusScreen> createState() => _UptimeStatusScreenState();
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}
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class _UptimeStatusScreenState extends State<UptimeStatusScreen> {
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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context.read<UptimeProvider>().fetchUptimes();
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});
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Scaffold(
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appBar: AppBar(title: const Text('Uptime Status'), centerTitle: false),
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body: Center(
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child: SizedBox(
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width: kIsWeb ? 600 : double.infinity,
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child: Consumer<UptimeProvider>(
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builder: (context, provider, _) {
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if (provider.isLoading) {
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return const Center(child: CircularProgressIndicator());
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}
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if (provider.hasError) {
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return _ErrorView(
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message: provider.error ?? 'An unexpected error occurred.',
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onRetry: () => provider.fetchUptimes(),
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);
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}
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if (provider.status == UptimeStatus.idle) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.monitor_heart_outlined,
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size: 64,
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color: theme.colorScheme.primary.withAlpha(100),
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),
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const SizedBox(height: 16),
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Text(
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'Uptime Status',
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style: theme.textTheme.headlineSmall,
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),
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const SizedBox(height: 8),
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Text(
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'Pull to load service status.',
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style: theme.textTheme.bodyMedium?.copyWith(
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color: theme.colorScheme.onSurface.withAlpha(150),
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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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final items = provider.items;
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if (items.isEmpty) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.cloud_off,
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size: 64,
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color: theme.colorScheme.onSurface.withAlpha(80),
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),
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const SizedBox(height: 16),
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Text(
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'No services found.',
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style: theme.textTheme.titleMedium,
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),
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],
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),
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);
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}
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return RefreshIndicator(
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onRefresh: () => provider.fetchUptimes(),
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child: Column(
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children: [
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_SummaryBar(
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upCount: provider.upCount,
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downCount: provider.downCount,
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),
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Expanded(
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child: ListView.builder(
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padding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 12,
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),
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itemCount: items.length,
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itemBuilder: (context, index) {
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return _UptimeCard(item: items[index]);
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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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);
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}
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}
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class _SummaryBar extends StatelessWidget {
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const _SummaryBar({required this.upCount, required this.downCount});
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final int upCount;
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final int downCount;
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Container(
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margin: const EdgeInsets.fromLTRB(16, 16, 16, 4),
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padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 16),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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colors: [
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theme.colorScheme.primary,
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theme.colorScheme.primary.withAlpha(220),
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],
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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),
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(
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color: theme.colorScheme.primary.withAlpha(60),
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blurRadius: 12,
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offset: const Offset(0, 4),
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),
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],
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),
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child: Row(
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children: [
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_StatBadge(
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label: 'Up',
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count: upCount,
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color: const Color(0xFF10B981),
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icon: Icons.check_circle,
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),
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Container(
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height: 36,
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width: 1,
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color: Colors.white.withAlpha(60),
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margin: const EdgeInsets.symmetric(horizontal: 16),
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),
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_StatBadge(
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label: 'Down',
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count: downCount,
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color: const Color(0xFFEF4444),
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icon: Icons.cancel,
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),
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const Spacer(),
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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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'${upCount + downCount}',
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style: theme.textTheme.headlineMedium?.copyWith(
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color: Colors.white,
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fontWeight: FontWeight.w700,
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),
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),
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Text(
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'Total',
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style: theme.textTheme.bodySmall?.copyWith(
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color: Colors.white.withAlpha(200),
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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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class _StatBadge extends StatelessWidget {
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const _StatBadge({
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required this.label,
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required this.count,
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required this.color,
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required this.icon,
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});
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final String label;
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final int count;
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final Color color;
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final IconData icon;
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Row(
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children: [
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Container(
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width: 32,
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height: 32,
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decoration: BoxDecoration(
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color: color.withAlpha(40),
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borderRadius: BorderRadius.circular(8),
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),
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child: Icon(icon, size: 18, color: color),
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),
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const SizedBox(width: 8),
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'$count',
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style: theme.textTheme.titleLarge?.copyWith(
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color: Colors.white,
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fontWeight: FontWeight.w700,
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),
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),
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Text(
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label,
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style: theme.textTheme.bodySmall?.copyWith(
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color: Colors.white.withAlpha(200),
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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 _UptimeCard extends StatelessWidget {
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const _UptimeCard({required this.item});
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final UptimeItemModel item;
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IconData _iconForService(String name) {
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final lower = name.toLowerCase();
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if (lower.contains('visa') || lower.contains('mastercard')) {
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return Icons.credit_card;
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}
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if (lower.contains('ecocash')) {
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return Icons.account_balance_wallet;
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}
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if (lower.contains('econet')) {
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return Icons.signal_cellular_alt;
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}
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if (lower.contains('netone')) {
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return Icons.cell_tower;
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}
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if (lower.contains('zesa')) {
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return Icons.electric_bolt;
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}
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return Icons.dns;
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}
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String _formatTimestamp(String iso) {
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try {
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final dt = DateTime.parse(iso);
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final now = DateTime.now();
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final diff = now.difference(dt);
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if (diff.inMinutes < 1) return 'Just now';
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if (diff.inMinutes < 60) return '${diff.inMinutes}m ago';
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if (diff.inHours < 24) return '${diff.inHours}h ago';
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if (diff.inDays < 7) return '${diff.inDays}d ago';
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return '${dt.day}/${dt.month}/${dt.year}';
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} catch (_) {
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return iso;
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}
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final isUp = item.status;
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return Card(
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margin: const EdgeInsets.only(bottom: 10),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)),
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
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child: Row(
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children: [
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Container(
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width: 44,
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height: 44,
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decoration: BoxDecoration(
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color: isUp ? const Color(0xFFD1FAE5) : const Color(0xFFFEE2E2),
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borderRadius: BorderRadius.circular(12),
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),
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child: Icon(
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_iconForService(item.name),
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size: 22,
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color: isUp ? const Color(0xFF065F46) : const Color(0xFF991B1B),
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),
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),
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const SizedBox(width: 14),
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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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item.name,
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style: theme.textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.w600,
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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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'Last checked ${_formatTimestamp(item.createdAt)}',
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style: theme.textTheme.bodySmall?.copyWith(
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color: theme.colorScheme.onSurface.withAlpha(120),
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),
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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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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
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decoration: BoxDecoration(
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color: isUp ? const Color(0xFFD1FAE5) : const Color(0xFFFEE2E2),
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borderRadius: BorderRadius.circular(20),
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Container(
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width: 8,
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height: 8,
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decoration: BoxDecoration(
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color: isUp
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? const Color(0xFF10B981)
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: const Color(0xFFEF4444),
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shape: BoxShape.circle,
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),
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),
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const SizedBox(width: 6),
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Text(
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isUp ? 'Up' : 'Down',
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w600,
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color: isUp
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? const Color(0xFF065F46)
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: const Color(0xFF991B1B),
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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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}
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class _ErrorView extends StatelessWidget {
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const _ErrorView({required this.message, required this.onRetry});
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final String message;
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final VoidCallback onRetry;
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Center(
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child: Padding(
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padding: const EdgeInsets.all(32),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.error_outline,
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size: 56,
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color: theme.colorScheme.error.withAlpha(150),
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),
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const SizedBox(height: 16),
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Text('Failed to Load', style: theme.textTheme.titleLarge),
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const SizedBox(height: 8),
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Text(
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message,
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textAlign: TextAlign.center,
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style: theme.textTheme.bodyMedium?.copyWith(
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color: theme.colorScheme.onSurface.withAlpha(150),
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),
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),
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const SizedBox(height: 20),
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ElevatedButton.icon(
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onPressed: onRetry,
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icon: const Icon(Icons.refresh, size: 18),
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label: const Text('Retry'),
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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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