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Merged
zaelgohary merged 5 commits into from
May 18, 2025
Merged

Keep the connection to tfchain enabled #1024

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45bf475
Keep the connection to tfchain enabled
AhmedHanafy725 May 18, 2025
babec89
Handle no connection in dao, refactor dao screen
zaelgohary May 18, 2025
8222338
Fix listing farms
zaelgohary May 18, 2025
1116e9d
Update app/lib/screens/dao_screen.dart
zaelgohary May 18, 2025
22085fd
Edit err msg
zaelgohary May 18, 2025
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2 changes: 1 addition & 1 deletion app/lib/providers/wallets_provider.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,7 @@ class WalletsNotifier extends StateNotifier<List<Wallet>> {
}

void reloadBalances() async {
if (!_reload) return await TFChainService.disconnect();
if (!_reload) return;
if (!_loading) {
final chainUrl = Globals().chainUrl;
await _mutex.protect(() async {
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225 changes: 120 additions & 105 deletions app/lib/screens/dao_screen.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ import 'package:threebotlogin/helpers/logger.dart';
import 'package:threebotlogin/widgets/layout_drawer.dart';
import 'package:threebotlogin/widgets/dao/proposals.dart';
import 'package:threebotlogin/services/tfchain_service.dart';
import 'package:connectivity_plus/connectivity_plus.dart';

class DaoPage extends StatefulWidget {
const DaoPage({super.key});
Expand All @@ -21,78 +22,96 @@ class _DaoPageState extends State<DaoPage> with SingleTickerProviderStateMixin {
bool failed = false;
late final TabController _tabController;

@override
void initState() {
super.initState();
loadProposals();
_tabController = TabController(length: 2, vsync: this);
}

@override
void dispose() {
_tabController.dispose();
super.dispose();
}

Future<void> loadProposals() async {
setState(() {
loading = true;
failed = false;
});
_setLoadingState();

try {
final connectivityResult = await (Connectivity().checkConnectivity());

if (connectivityResult.contains(ConnectivityResult.none)) {
_handleFailure(
'No internet connection. Please check your network.',
);
return;
}

final proposals = await getProposals().timeout(
const Duration(minutes: 1),
onTimeout: () {
throw TimeoutException('Loading DAO proposals timed out');
},
);

logger.i('Proposals loaded successfully');

if (activeList.isNotEmpty) activeList.clear();
if (inactiveList.isNotEmpty) inactiveList.clear();
activeList.addAll(proposals['activeProposals']!);
inactiveList.addAll(proposals['inactiveProposals']!);
setState(() {
loading = false;
failed = false;
});
_handleSuccess(proposals);
} on TimeoutException catch (e) {
logger.e('Loading proposals timed out: $e');
if (context.mounted) {
final timeoutFailure = SnackBar(
content: Text(
'Loading proposals timed out. Please try again.',
style: Theme.of(context)
.textTheme
.bodyMedium!
.copyWith(color: Theme.of(context).colorScheme.errorContainer),
),
duration: const Duration(seconds: 3),
);
ScaffoldMessenger.of(context).clearSnackBars();
ScaffoldMessenger.of(context).showSnackBar(timeoutFailure);
}
setState(() {
loading = false;
failed = true;
});
} catch (e) {
logger.e('Failed to load proposals due to $e');
if (context.mounted) {
final loadingProposalFailure = SnackBar(
content: Text(
'Failed to load proposals',
style: Theme.of(context)
.textTheme
.bodyMedium!
.copyWith(color: Theme.of(context).colorScheme.errorContainer),
),
duration: const Duration(seconds: 3),
);
ScaffoldMessenger.of(context).clearSnackBars();
ScaffoldMessenger.of(context).showSnackBar(loadingProposalFailure);
}
setState(() {
loading = false;
failed = true;
});
_handleFailure(
'Loading proposals timed out. Please check your network',
error: e,
);
} on Exception catch (e) {
_handleFailure(
'Failed to load proposals. Please try again.',
error: e,
);
}
}

@override
void initState() {
super.initState();
loadProposals();
_tabController = TabController(length: 2, vsync: this);
void _setLoadingState() {
setState(() {
loading = true;
failed = false;
});
}

void _handleSuccess(Map<String, List<Proposal>?> proposals) {
activeList.clear();
inactiveList.clear();
activeList.addAll(proposals['activeProposals'] ?? []);
inactiveList.addAll(proposals['inactiveProposals'] ?? []);

setState(() {
loading = false;
failed = false;
});
}

void _handleFailure(String userMessage, {Object? error}) {
if (error != null) {
logger.e('Load proposals failed', error: error);
}

if (mounted) {
final errorSnackbar = SnackBar(
content: Text(
userMessage,
style: Theme.of(context)
.textTheme
.bodyMedium!
.copyWith(color: Theme.of(context).colorScheme.errorContainer),
),
duration: const Duration(seconds: 3),
);
ScaffoldMessenger.of(context).clearSnackBars();
ScaffoldMessenger.of(context).showSnackBar(errorSnackbar);
}

setState(() {
loading = false;
failed = true;
});
}

@override
Expand All @@ -102,9 +121,10 @@ class _DaoPageState extends State<DaoPage> with SingleTickerProviderStateMixin {
content = Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
const CircularProgressIndicator(),
const SizedBox(height: 15),
const SizedBox(height: 16),
Text(
'Loading Proposals...',
style: Theme.of(context).textTheme.bodyLarge!.copyWith(
Expand All @@ -117,66 +137,61 @@ class _DaoPageState extends State<DaoPage> with SingleTickerProviderStateMixin {
content = Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
const SizedBox(height: 15),
ElevatedButton.icon(
icon: const Icon(Icons.refresh),
label: const Text('Try Again'),
onPressed: () async {
setState(() {
failed = false;
loading = true;
});
await loadProposals();
onPressed: () {
loadProposals();
},
),
const SizedBox(height: 16),
],
),
);
} else {
content = DefaultTabController(
length: 2,
child: Column(
children: [
PreferredSize(
preferredSize: const Size.fromHeight(50.0),
child: Container(
color: Theme.of(context).scaffoldBackgroundColor,
child: TabBar(
controller: _tabController,
labelColor: Theme.of(context).colorScheme.primary,
indicatorColor: Theme.of(context).colorScheme.primary,
unselectedLabelColor: Theme.of(context).colorScheme.onSurface,
dividerColor: Theme.of(context).scaffoldBackgroundColor,
labelStyle: Theme.of(context).textTheme.titleLarge,
unselectedLabelStyle: Theme.of(context).textTheme.titleMedium,
tabs: const [
Tab(text: 'Active'),
Tab(text: 'Executable'),
],
),
),
),
Expanded(
child: TabBarView(
content = Column(
children: [
PreferredSize(
preferredSize: const Size.fromHeight(50.0),
child: Container(
color: Theme.of(context).scaffoldBackgroundColor,
child: TabBar(
controller: _tabController,
children: [
RefreshIndicator(
onRefresh: loadProposals,
child: ProposalsWidget(
proposals: activeList,
active: true,
)),
RefreshIndicator(
onRefresh: loadProposals,
child: ProposalsWidget(
proposals: inactiveList,
)),
labelColor: Theme.of(context).colorScheme.primary,
indicatorColor: Theme.of(context).colorScheme.primary,
unselectedLabelColor: Theme.of(context).colorScheme.onSurface,
dividerColor: Theme.of(context).scaffoldBackgroundColor,
labelStyle: Theme.of(context).textTheme.titleLarge,
unselectedLabelStyle: Theme.of(context).textTheme.titleMedium,
tabs: const [
Tab(text: 'Active'),
Tab(text: 'Executable'),
],
),
),
],
),
),
Expanded(
child: TabBarView(
controller: _tabController,
children: [
RefreshIndicator(
onRefresh: loadProposals,
child: ProposalsWidget(
proposals: activeList,
active: true,
)),
RefreshIndicator(
onRefresh: loadProposals,
child: ProposalsWidget(
proposals: inactiveList,
active: false,
)),
],
),
),
],
);
}
return LayoutDrawer(titleText: 'Dao', content: content);
Expand Down
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