Rijad Zuzo
490 lines
15 KiB
Dart
490 lines
15 KiB
Dart
import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:relationship_saver/core/config/app_theme.dart';
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import 'package:relationship_saver/features/shared/frosted_card.dart';
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import 'package:relationship_saver/features/sync/sync_coordinator.dart';
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import 'package:relationship_saver/features/sync/sync_queue_repository.dart';
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import 'package:relationship_saver/features/sync/sync_state.dart';
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import 'package:relationship_saver/integrations/backend/models/backend_models.dart';
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class SyncView extends ConsumerStatefulWidget {
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const SyncView({super.key});
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@override
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ConsumerState<SyncView> createState() => _SyncViewState();
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}
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class _SyncViewState extends ConsumerState<SyncView> {
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bool _busy = false;
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String _status = 'Ready. Local-first mode keeps app usable without sync.';
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final Set<String> _expandedRejections = <String>{};
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@override
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Widget build(BuildContext context) {
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final AsyncValue<SyncState> syncState = ref.watch(
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syncQueueRepositoryProvider,
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);
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return LayoutBuilder(
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builder: (BuildContext context, BoxConstraints constraints) {
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final bool compact = constraints.maxWidth < 760;
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return Padding(
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padding: EdgeInsets.fromLTRB(
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compact ? 16 : 28,
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compact ? 16 : 24,
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compact ? 16 : 28,
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compact ? 20 : 28,
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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Text('Sync', style: Theme.of(context).textTheme.headlineMedium),
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const SizedBox(height: 6),
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Text(
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'Queue local changes, then push and pull when network is available.',
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style: Theme.of(
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context,
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).textTheme.bodyLarge?.copyWith(color: AppTheme.textSecondary),
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),
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const SizedBox(height: 16),
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Expanded(
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child: syncState.when(
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data: (SyncState state) =>
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_buildBody(context, state, compact),
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loading: () =>
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const Center(child: CircularProgressIndicator()),
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error: (Object error, StackTrace stackTrace) {
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return Center(
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child: Text(
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'Unable to load sync state. $error',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: AppTheme.textSecondary,
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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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Widget _buildBody(BuildContext context, SyncState state, bool compact) {
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return ListView(
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children: <Widget>[
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FrostedCard(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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Wrap(
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spacing: 10,
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runSpacing: 10,
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children: <Widget>[
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FilledButton.icon(
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onPressed: _busy ? null : _syncNow,
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icon: const Icon(Icons.sync_rounded),
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label: const Text('Sync Now'),
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),
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OutlinedButton.icon(
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onPressed: _busy ? null : _pushPending,
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icon: const Icon(Icons.upload_rounded),
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label: const Text('Push Pending'),
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),
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OutlinedButton.icon(
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onPressed: _busy ? null : _pullChanges,
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icon: const Icon(Icons.download_rounded),
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label: const Text('Pull Changes'),
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),
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TextButton.icon(
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onPressed: _busy ? null : _clearQueue,
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icon: const Icon(Icons.clear_all_rounded),
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label: const Text('Clear Queue'),
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),
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],
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),
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const SizedBox(height: 16),
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Text(
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_status,
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style: Theme.of(
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context,
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).textTheme.bodyLarge?.copyWith(color: AppTheme.textSecondary),
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),
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],
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),
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),
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const SizedBox(height: 16),
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FrostedCard(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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Text(
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'Queue Status',
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style: Theme.of(context).textTheme.titleMedium,
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),
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const SizedBox(height: 10),
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_infoRow(
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label: 'Pending changes',
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value: '${state.pendingChanges.length}',
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compact: compact,
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),
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_infoRow(
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label: 'Cursor',
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value: state.cursor ?? 'not set',
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compact: compact,
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),
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_infoRow(
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label: 'Last sync',
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value: _formatDateTime(state.lastSyncAt),
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compact: compact,
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),
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_infoRow(
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label: 'Last attempt',
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value: _formatDateTime(state.lastAttemptAt),
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compact: compact,
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),
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_infoRow(
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label: 'Last rejected count',
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value: '${state.lastRejected.length}',
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compact: compact,
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),
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_infoRow(
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label: 'Last error',
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value: state.lastError ?? 'none',
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compact: compact,
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),
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],
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),
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),
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const SizedBox(height: 16),
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if (state.lastRejected.isNotEmpty) ...<Widget>[
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FrostedCard(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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Wrap(
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spacing: 8,
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runSpacing: 8,
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crossAxisAlignment: WrapCrossAlignment.center,
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children: <Widget>[
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Text(
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'Rejected Changes',
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style: Theme.of(context).textTheme.titleMedium,
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),
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TextButton.icon(
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onPressed: _busy ? null : _requeueRejected,
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icon: const Icon(Icons.replay_rounded),
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label: const Text('Requeue'),
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),
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TextButton.icon(
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onPressed: _busy ? null : _dismissRejections,
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icon: const Icon(Icons.done_all_rounded),
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label: const Text('Dismiss'),
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),
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],
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),
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const SizedBox(height: 8),
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...state.lastRejected.map((MutationRejection rejection) {
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final ChangeEnvelope? matched = _findRejectedChange(
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state.lastRejectedChanges,
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rejection.clientMutationId,
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);
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final bool expanded = _expandedRejections.contains(
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rejection.clientMutationId,
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);
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return Padding(
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padding: const EdgeInsets.only(bottom: 10),
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child: _rejectionTile(
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rejection,
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matched: matched,
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expanded: expanded,
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onToggleExpanded: matched?.payload == null
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? null
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: () => _toggleRejectionExpanded(
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rejection.clientMutationId,
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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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const SizedBox(height: 16),
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],
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FrostedCard(
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child: Text(
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'Sync policy\n• Core usage never blocks on backend\n• Local changes queue first and remain safe offline\n• Pull applies backend envelopes into local state',
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style: Theme.of(context).textTheme.bodyLarge,
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),
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),
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],
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);
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}
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Widget _infoRow({
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required String label,
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required String value,
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required bool compact,
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}) {
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if (compact) {
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 4),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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Text(
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label,
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style: Theme.of(
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context,
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).textTheme.labelLarge?.copyWith(color: AppTheme.textSecondary),
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),
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const SizedBox(height: 2),
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Text(value, style: Theme.of(context).textTheme.bodyMedium),
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],
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),
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);
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}
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 2),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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SizedBox(width: 150, child: Text(label)),
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Expanded(
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child: Text(
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value,
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style: Theme.of(
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context,
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).textTheme.bodyMedium?.copyWith(color: AppTheme.textSecondary),
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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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Widget _rejectionTile(
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MutationRejection rejection, {
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required ChangeEnvelope? matched,
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required bool expanded,
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required VoidCallback? onToggleExpanded,
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}) {
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return Container(
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width: double.infinity,
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.72),
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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Wrap(
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spacing: 8,
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runSpacing: 8,
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crossAxisAlignment: WrapCrossAlignment.center,
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children: <Widget>[
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
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decoration: BoxDecoration(
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color: const Color(0xFFEAF7FB),
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borderRadius: BorderRadius.circular(999),
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),
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child: Text(
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rejection.code,
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style: Theme.of(
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context,
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).textTheme.labelMedium?.copyWith(color: AppTheme.primary),
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),
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),
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Text(
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'Mutation ${rejection.clientMutationId}',
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style: Theme.of(
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context,
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).textTheme.bodySmall?.copyWith(color: AppTheme.textSecondary),
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),
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if (matched != null)
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Text(
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'${matched.entityType}:${matched.entityId}',
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: AppTheme.textSecondary,
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),
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),
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if (onToggleExpanded != null)
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IconButton(
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onPressed: onToggleExpanded,
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tooltip: expanded ? 'Hide payload' : 'Show payload',
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icon: Icon(
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expanded
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? Icons.keyboard_arrow_up_rounded
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: Icons.keyboard_arrow_down_rounded,
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color: AppTheme.textSecondary,
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),
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),
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],
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),
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const SizedBox(height: 6),
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Text(
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rejection.message,
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style: Theme.of(context).textTheme.bodyMedium,
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),
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if (expanded && matched?.payload != null) ...<Widget>[
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const SizedBox(height: 10),
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Container(
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width: double.infinity,
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padding: const EdgeInsets.all(10),
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decoration: BoxDecoration(
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color: const Color(0xFFF3F8FB),
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borderRadius: BorderRadius.circular(10),
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),
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child: SelectableText(
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const JsonEncoder.withIndent(' ').convert(matched!.payload),
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style: Theme.of(context).textTheme.bodySmall,
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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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ChangeEnvelope? _findRejectedChange(
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List<ChangeEnvelope> changes,
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String clientMutationId,
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) {
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for (final ChangeEnvelope change in changes) {
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if (change.clientMutationId == clientMutationId) {
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return change;
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}
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}
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return null;
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}
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String _formatDateTime(DateTime? value) {
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if (value == null) {
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return 'never';
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}
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final DateTime local = value.toLocal();
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final String month = local.month.toString().padLeft(2, '0');
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final String day = local.day.toString().padLeft(2, '0');
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final String hour = local.hour.toString().padLeft(2, '0');
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final String minute = local.minute.toString().padLeft(2, '0');
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return '${local.year}-$month-$day $hour:$minute';
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}
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Future<void> _syncNow() async {
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await _run((SyncCoordinator coordinator) => coordinator.syncNow());
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}
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Future<void> _pushPending() async {
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await _run((SyncCoordinator coordinator) => coordinator.pushPending());
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}
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Future<void> _pullChanges() async {
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await _run((SyncCoordinator coordinator) => coordinator.pullRemote());
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}
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Future<void> _clearQueue() async {
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setState(() {
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_busy = true;
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});
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try {
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await ref.read(syncQueueRepositoryProvider.notifier).clearQueue();
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setState(() {
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_status = 'Cleared pending sync queue.';
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});
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} finally {
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if (mounted) {
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setState(() {
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_busy = false;
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});
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}
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}
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}
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Future<void> _dismissRejections() async {
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setState(() {
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_busy = true;
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});
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try {
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await ref.read(syncQueueRepositoryProvider.notifier).clearRejections();
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setState(() {
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_status = 'Dismissed latest rejected-mutation details.';
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});
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} finally {
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if (mounted) {
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setState(() {
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_busy = false;
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});
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}
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}
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}
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Future<void> _requeueRejected() async {
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setState(() {
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_busy = true;
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});
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try {
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await ref
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.read(syncQueueRepositoryProvider.notifier)
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.requeueRejectedChanges();
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setState(() {
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_status = 'Requeued rejected changes. Sync again after local fixes.';
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});
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} finally {
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if (mounted) {
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setState(() {
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_busy = false;
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});
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}
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}
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}
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Future<void> _run(
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Future<SyncRunResult> Function(SyncCoordinator coordinator) action,
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) async {
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setState(() {
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_busy = true;
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_status = 'Running sync operation...';
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});
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try {
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final SyncRunResult result = await action(
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ref.read(syncCoordinatorProvider),
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);
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setState(() {
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_status = result.message;
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});
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} catch (error) {
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setState(() {
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_status = 'Sync operation failed unexpectedly. ($error)';
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});
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} finally {
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if (mounted) {
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setState(() {
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_busy = false;
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});
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}
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}
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}
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void _toggleRejectionExpanded(String clientMutationId) {
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setState(() {
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if (_expandedRejections.contains(clientMutationId)) {
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_expandedRejections.remove(clientMutationId);
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} else {
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_expandedRejections.add(clientMutationId);
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}
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});
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}
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}
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