f89e074dd1
Governed substrate for autonomous agents: scoped identity (passports), audited actions, MCP workspace. Infra IPs and secrets redacted for public release.
761 lines
26 KiB
Dart
761 lines
26 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:go_router/go_router.dart';
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import '../../../core/theme.dart';
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import '../data/models.dart';
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import '../providers/conversations_provider.dart';
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/// Chat screen — list of conversations with space selector in AppBar.
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class ChatScreen extends ConsumerStatefulWidget {
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const ChatScreen({super.key});
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@override
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ConsumerState<ChatScreen> createState() => _ChatScreenState();
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}
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class _ChatScreenState extends ConsumerState<ChatScreen> {
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final ScrollController _scrollController = ScrollController();
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@override
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void initState() {
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super.initState();
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_scrollController.addListener(_onScroll);
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}
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@override
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void dispose() {
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_scrollController.removeListener(_onScroll);
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_scrollController.dispose();
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super.dispose();
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}
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void _onScroll() {
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if (_scrollController.position.pixels >=
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_scrollController.position.maxScrollExtent - 200) {
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final notifier = ref.read(conversationsProvider.notifier);
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if (notifier.hasMore && !notifier.isLoadingMore) {
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notifier.loadMore();
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}
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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 conversationsAsync = ref.watch(conversationsProvider);
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final spacesAsync = ref.watch(spacesProvider);
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final selectedSpace = ref.watch(selectedSpaceProvider);
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// Get current space name for AppBar title
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final currentSpaceName = spacesAsync.whenOrNull(
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data: (spaces) {
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if (selectedSpace == null) return null;
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final found = spaces.where((s) => s.id == selectedSpace);
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return found.isNotEmpty ? found.first.name : null;
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},
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);
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return Scaffold(
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appBar: AppBar(
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title: _SpaceDropdownTitle(
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currentSpaceName: currentSpaceName ?? 'All Spaces',
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onTap: () => _showSpacePicker(context, ref, spacesAsync, selectedSpace),
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),
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actions: [
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IconButton(
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icon: const Icon(Icons.add),
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tooltip: 'New Conversation',
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onPressed: () async {
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final conv = await ref.read(conversationsProvider.notifier).create();
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if (conv != null && context.mounted) {
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context.go('/chat/${conv.id}');
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}
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},
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),
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IconButton(
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icon: const Icon(Icons.refresh),
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tooltip: 'Refresh',
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onPressed: () => ref.read(conversationsProvider.notifier).refresh(),
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),
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],
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),
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body: conversationsAsync.when(
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loading: () => const Center(child: CircularProgressIndicator()),
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error: (err, _) => _ErrorView(
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message: err.toString(),
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onRetry: () => ref.read(conversationsProvider.notifier).refresh(),
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),
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data: (conversations) {
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if (conversations.isEmpty) {
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return const _EmptyView();
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}
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final notifier = ref.read(conversationsProvider.notifier);
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final hasMore = notifier.hasMore;
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final itemCount = conversations.length + (hasMore ? 1 : 0);
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return RefreshIndicator(
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onRefresh: () => ref.read(conversationsProvider.notifier).refresh(),
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child: ListView.separated(
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controller: _scrollController,
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padding: const EdgeInsets.symmetric(vertical: 4),
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itemCount: itemCount,
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separatorBuilder: (_, __) => const Divider(height: 1, indent: 72),
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itemBuilder: (context, index) {
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if (index >= conversations.length) {
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return const Padding(
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padding: EdgeInsets.all(16),
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child: Center(child: CircularProgressIndicator(strokeWidth: 2)),
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);
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}
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final conv = conversations[index];
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return _ConversationTile(
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key: ValueKey('conv_${conv.id}'),
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conversation: conv,
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onTap: () {
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// Mark as read when opening
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ref.read(conversationsProvider.notifier).markAsRead(conv.id);
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context.go('/chat/${conv.id}');
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},
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onRename: () => _showRenameDialog(context, ref, conv),
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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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/// Show bottom sheet space picker — draggable and scrollable.
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void _showSpacePicker(
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BuildContext context,
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WidgetRef ref,
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AsyncValue<List<Space>> spacesAsync,
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int? selectedSpaceId,
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) {
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final spaces = spacesAsync.valueOrNull ?? [];
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HapticFeedback.selectionClick();
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showModalBottomSheet(
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context: context,
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backgroundColor: Colors.transparent,
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isScrollControlled: true,
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builder: (ctx) {
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// Initial size: min of needed content or 50% of screen
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final itemCount = spaces.length + 1;
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final screenHeight = MediaQuery.sizeOf(ctx).height;
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final neededFraction = ((80.0 + (itemCount * 60.0) + 32) / screenHeight).clamp(0.3, 0.85);
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final initialFraction = neededFraction.clamp(0.3, 0.5);
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return DraggableScrollableSheet(
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initialChildSize: initialFraction,
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minChildSize: 0.25,
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maxChildSize: 0.85,
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builder: (dragCtx, scrollController) {
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return Container(
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decoration: const BoxDecoration(
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color: GodTheme.surface,
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borderRadius: BorderRadius.vertical(top: Radius.circular(16)),
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Handle bar (drag indicator)
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Center(
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child: Container(
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margin: const EdgeInsets.only(top: 12, bottom: 8),
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width: 40,
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height: 4,
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decoration: BoxDecoration(
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color: GodTheme.textMuted.withOpacity(0.3),
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borderRadius: BorderRadius.circular(2),
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),
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),
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),
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const Padding(
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padding: EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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child: Text(
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'Select Space',
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style: TextStyle(
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color: GodTheme.textPrimary,
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fontSize: 18,
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fontWeight: FontWeight.w600,
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),
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),
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),
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const Divider(height: 1, color: GodTheme.border),
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// Scrollable list of spaces — uses the scrollController from DraggableScrollableSheet
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Expanded(
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child: ListView.builder(
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controller: scrollController,
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padding: const EdgeInsets.only(bottom: 16),
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itemCount: itemCount,
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itemBuilder: (listCtx, index) {
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// First item = "All Spaces"
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if (index == 0) {
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return ListTile(
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key: const ValueKey('space_all'),
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leading: Icon(
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Icons.grid_view_rounded,
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color: selectedSpaceId == null ? GodTheme.primary : GodTheme.textMuted,
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),
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title: Text(
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'All Spaces',
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style: TextStyle(
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color: selectedSpaceId == null ? GodTheme.primary : GodTheme.textPrimary,
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fontWeight: selectedSpaceId == null ? FontWeight.w600 : FontWeight.w400,
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),
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),
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trailing: selectedSpaceId == null
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? const Icon(Icons.check_circle, color: GodTheme.primary, size: 20)
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: null,
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onTap: () {
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ref.read(selectedSpaceProvider.notifier).state = null;
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Navigator.pop(ctx);
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},
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);
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}
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// Individual spaces
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final space = spaces[index - 1];
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final isSelected = selectedSpaceId == space.id;
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return ListTile(
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key: ValueKey('space_${space.id}'),
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leading: Icon(
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_iconForType(space.type),
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color: isSelected ? GodTheme.primary : GodTheme.textMuted,
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),
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title: Text(
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space.name,
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style: TextStyle(
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color: isSelected ? GodTheme.primary : GodTheme.textPrimary,
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fontWeight: isSelected ? FontWeight.w600 : FontWeight.w400,
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),
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),
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subtitle: space.description != null && space.description!.isNotEmpty
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? Text(
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space.description!,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: const TextStyle(color: GodTheme.textMuted, fontSize: 12),
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)
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: null,
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trailing: isSelected
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? const Icon(Icons.check_circle, color: GodTheme.primary, size: 20)
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: null,
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onTap: () {
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ref.read(selectedSpaceProvider.notifier).state = space.id;
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Navigator.pop(ctx);
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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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/// Show rename dialog for a conversation.
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void _showRenameDialog(BuildContext context, WidgetRef ref, Conversation conv) {
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final controller = TextEditingController(text: conv.title);
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HapticFeedback.mediumImpact();
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showDialog(
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context: context,
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builder: (ctx) => AlertDialog(
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backgroundColor: GodTheme.surface,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
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title: const Text('Rename Conversation', style: TextStyle(color: GodTheme.textPrimary)),
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content: TextField(
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controller: controller,
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autofocus: true,
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style: const TextStyle(color: GodTheme.textPrimary),
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decoration: InputDecoration(
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hintText: 'Enter new name',
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hintStyle: const TextStyle(color: GodTheme.textMuted),
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filled: true,
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fillColor: GodTheme.surfaceLight,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: GodTheme.border),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: GodTheme.border),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: GodTheme.primary, width: 2),
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),
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),
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onSubmitted: (value) async {
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if (value.trim().isNotEmpty && value.trim() != conv.title) {
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Navigator.pop(ctx);
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final error = await ref.read(conversationsProvider.notifier).rename(conv.id, value.trim());
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if (error != null && context.mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Rename failed: $error'),
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backgroundColor: GodTheme.error,
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duration: const Duration(seconds: 5),
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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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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx),
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child: const Text('Cancel', style: TextStyle(color: GodTheme.textMuted)),
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),
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ElevatedButton(
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style: ElevatedButton.styleFrom(
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backgroundColor: GodTheme.primary,
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
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),
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onPressed: () async {
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final value = controller.text.trim();
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if (value.isNotEmpty && value != conv.title) {
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Navigator.pop(ctx);
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final error = await ref.read(conversationsProvider.notifier).rename(conv.id, value);
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if (error != null && context.mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Rename failed: $error'),
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backgroundColor: GodTheme.error,
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duration: const Duration(seconds: 5),
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),
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);
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}
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}
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},
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child: const Text('Save'),
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),
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],
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),
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);
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}
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IconData _iconForType(String type) {
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switch (type) {
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case 'business':
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return Icons.business;
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case 'ai':
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return Icons.smart_toy;
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case 'custom':
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return Icons.dashboard_customize;
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default:
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return Icons.person;
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}
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}
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}
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/// AppBar title — shows current space name with dropdown arrow.
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class _SpaceDropdownTitle extends StatelessWidget {
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final String currentSpaceName;
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final VoidCallback onTap;
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const _SpaceDropdownTitle({
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required this.currentSpaceName,
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required this.onTap,
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});
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@override
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Widget build(BuildContext context) {
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return GestureDetector(
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onTap: onTap,
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(Icons.space_dashboard_outlined, size: 20, color: GodTheme.primary),
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const SizedBox(width: 8),
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Flexible(
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child: Text(
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currentSpaceName,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: const TextStyle(
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fontSize: 17,
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fontWeight: FontWeight.w600,
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color: GodTheme.textPrimary,
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),
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),
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),
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const SizedBox(width: 4),
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const Icon(Icons.arrow_drop_down_rounded, size: 24, color: GodTheme.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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/// Conversation tile with participants and long-press to rename.
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class _ConversationTile extends StatelessWidget {
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final Conversation conversation;
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final VoidCallback onTap;
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final VoidCallback onRename;
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const _ConversationTile({
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super.key,
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required this.conversation,
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required this.onTap,
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required this.onRename,
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});
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@override
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Widget build(BuildContext context) {
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return InkWell(
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onTap: onTap,
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onLongPress: onRename,
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Avatar or multi-avatar
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_buildLeadingAvatar(),
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const SizedBox(width: 12),
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// Content
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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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// Title row with edit icon + time
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Row(
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children: [
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Expanded(
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child: Text(
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conversation.title,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: const TextStyle(
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fontWeight: FontWeight.w600,
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fontSize: 15,
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),
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),
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),
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const SizedBox(width: 4),
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GestureDetector(
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onTap: onRename,
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child: const Padding(
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padding: EdgeInsets.all(4),
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child: Icon(Icons.edit_outlined, size: 14, color: GodTheme.textMuted),
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),
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),
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const SizedBox(width: 4),
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Text(
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conversation.timeAgo,
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style: const TextStyle(color: GodTheme.textMuted, fontSize: 12),
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),
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],
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),
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// Bound row indicator
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if (conversation.boundRowId != null) ...[
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const SizedBox(height: 3),
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Row(
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children: [
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const Icon(Icons.link, size: 11, color: Color(0xFF60A5FA)),
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const SizedBox(width: 3),
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Expanded(
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child: Text(
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'${conversation.boundTableIcon ?? ''}${conversation.boundTableIcon != null ? ' ' : ''}'
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'${conversation.boundTableName != null ? '${conversation.boundTableName}: ' : ''}'
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'${conversation.boundRowTitle ?? '#${conversation.boundRowId}'}',
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: const TextStyle(color: Color(0xFF60A5FA), fontSize: 11),
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),
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),
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],
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),
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],
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// Last message preview
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if (conversation.lastMessage != null) ...[
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const SizedBox(height: 3),
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Text(
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conversation.lastMessage!,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: const TextStyle(color: GodTheme.textSecondary, fontSize: 13),
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),
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],
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// Participants row
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if (conversation.participants.isNotEmpty) ...[
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const SizedBox(height: 6),
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_ParticipantsRow(participants: conversation.participants),
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],
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],
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),
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),
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// Unread message count badge (only show if unread > 0)
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if (conversation.unreadCount > 0) ...[
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const SizedBox(width: 8),
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Padding(
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padding: const EdgeInsets.only(top: 2),
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 7, vertical: 2),
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decoration: BoxDecoration(
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color: GodTheme.primary,
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borderRadius: BorderRadius.circular(10),
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),
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child: Text(
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conversation.unreadCount > 99
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? '99+'
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: '${conversation.unreadCount}',
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style: const TextStyle(
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color: Colors.white,
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fontSize: 11,
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fontWeight: FontWeight.w600,
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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 _buildLeadingAvatar() {
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final participants = conversation.participants;
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if (participants.isEmpty) {
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return CircleAvatar(
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radius: 22,
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backgroundColor: GodTheme.primary.withValues(alpha: 0.15),
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child: const Icon(Icons.chat_bubble_outline, color: GodTheme.primary, size: 20),
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);
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}
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if (participants.length == 1) {
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return _buildSingleAvatar(participants.first, 22);
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}
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// Stacked avatars for 2+ participants
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return SizedBox(
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width: 48,
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height: 44,
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child: Stack(
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children: [
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Positioned(
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right: 0,
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bottom: 0,
|
|
child: _buildSingleAvatar(
|
|
participants.length > 1 ? participants[1] : participants[0],
|
|
16,
|
|
),
|
|
),
|
|
Positioned(
|
|
left: 0,
|
|
top: 0,
|
|
child: Container(
|
|
decoration: BoxDecoration(
|
|
shape: BoxShape.circle,
|
|
border: Border.all(color: GodTheme.background, width: 2),
|
|
),
|
|
child: _buildSingleAvatar(participants[0], 16),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildSingleAvatar(Participant p, double radius) {
|
|
final initials = _getInitials(p.name);
|
|
final color = _colorForName(p.name);
|
|
|
|
return CircleAvatar(
|
|
radius: radius,
|
|
backgroundColor: color.withValues(alpha: 0.2),
|
|
child: Text(
|
|
initials,
|
|
style: TextStyle(
|
|
color: color,
|
|
fontSize: radius * 0.7,
|
|
fontWeight: FontWeight.w600,
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
String _getInitials(String name) {
|
|
final parts = name.trim().split(RegExp(r'\s+'));
|
|
if (parts.length >= 2 && parts[0].isNotEmpty && parts[1].isNotEmpty) {
|
|
return '${parts[0][0]}${parts[1][0]}'.toUpperCase();
|
|
}
|
|
return name.isNotEmpty ? name[0].toUpperCase() : '?';
|
|
}
|
|
|
|
Color _colorForName(String name) {
|
|
final colors = [
|
|
GodTheme.primary,
|
|
GodTheme.accent,
|
|
GodTheme.success,
|
|
GodTheme.warning,
|
|
GodTheme.info,
|
|
const Color(0xFFA855F7), // purple
|
|
const Color(0xFFF43F5E), // rose
|
|
const Color(0xFF14B8A6), // teal
|
|
];
|
|
final hash = name.codeUnits.fold(0, (prev, c) => prev + c);
|
|
return colors[hash % colors.length];
|
|
}
|
|
}
|
|
|
|
/// Compact row of participant names with avatars.
|
|
class _ParticipantsRow extends StatelessWidget {
|
|
final List<Participant> participants;
|
|
|
|
const _ParticipantsRow({required this.participants});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final maxShow = 4;
|
|
final shown = participants.take(maxShow).toList();
|
|
final remaining = participants.length - maxShow;
|
|
|
|
return Row(
|
|
children: [
|
|
// Small stacked avatars
|
|
SizedBox(
|
|
width: (shown.length * 18.0) + 2, // overlap offset
|
|
height: 20,
|
|
child: Stack(
|
|
children: List.generate(shown.length, (i) {
|
|
final p = shown[i];
|
|
final initials = _getInitials(p.name);
|
|
final color = _colorForName(p.name);
|
|
return Positioned(
|
|
left: i * 15.0,
|
|
child: Container(
|
|
decoration: BoxDecoration(
|
|
shape: BoxShape.circle,
|
|
border: Border.all(color: GodTheme.background, width: 1.5),
|
|
),
|
|
child: CircleAvatar(
|
|
radius: 9,
|
|
backgroundColor: color.withValues(alpha: 0.25),
|
|
child: Text(
|
|
initials,
|
|
style: TextStyle(
|
|
color: color,
|
|
fontSize: 8,
|
|
fontWeight: FontWeight.w700,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}),
|
|
),
|
|
),
|
|
const SizedBox(width: 4),
|
|
// Names text
|
|
Expanded(
|
|
child: Text(
|
|
_buildNamesText(shown, remaining),
|
|
maxLines: 1,
|
|
overflow: TextOverflow.ellipsis,
|
|
style: const TextStyle(
|
|
color: GodTheme.textMuted,
|
|
fontSize: 11,
|
|
),
|
|
),
|
|
),
|
|
],
|
|
);
|
|
}
|
|
|
|
String _buildNamesText(List<Participant> shown, int remaining) {
|
|
final names = shown.map((p) {
|
|
final parts = p.name.split(' ');
|
|
return parts.isNotEmpty ? parts.first : p.name;
|
|
}).join(', ');
|
|
if (remaining > 0) {
|
|
return '$names +$remaining';
|
|
}
|
|
return names;
|
|
}
|
|
|
|
String _getInitials(String name) {
|
|
final parts = name.trim().split(RegExp(r'\s+'));
|
|
if (parts.length >= 2 && parts[0].isNotEmpty && parts[1].isNotEmpty) {
|
|
return '${parts[0][0]}${parts[1][0]}'.toUpperCase();
|
|
}
|
|
return name.isNotEmpty ? name[0].toUpperCase() : '?';
|
|
}
|
|
|
|
Color _colorForName(String name) {
|
|
final colors = [
|
|
GodTheme.primary,
|
|
GodTheme.accent,
|
|
GodTheme.success,
|
|
GodTheme.warning,
|
|
GodTheme.info,
|
|
const Color(0xFFA855F7),
|
|
const Color(0xFFF43F5E),
|
|
const Color(0xFF14B8A6),
|
|
];
|
|
final hash = name.codeUnits.fold(0, (prev, c) => prev + c);
|
|
return colors[hash % colors.length];
|
|
}
|
|
}
|
|
|
|
class _EmptyView extends StatelessWidget {
|
|
const _EmptyView();
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Center(
|
|
child: Column(
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: [
|
|
Icon(Icons.chat_bubble_outline, size: 64, color: GodTheme.textMuted.withValues(alpha: 0.3)),
|
|
const SizedBox(height: 16),
|
|
const Text('No conversations yet', style: TextStyle(color: GodTheme.textSecondary)),
|
|
const SizedBox(height: 8),
|
|
const Text('Tap + to start a new chat', style: TextStyle(color: GodTheme.textMuted, fontSize: 13)),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _ErrorView extends StatelessWidget {
|
|
final String message;
|
|
final VoidCallback onRetry;
|
|
|
|
const _ErrorView({required this.message, required this.onRetry});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Center(
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(24),
|
|
child: Column(
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: [
|
|
const Icon(Icons.error_outline, size: 48, color: GodTheme.error),
|
|
const SizedBox(height: 16),
|
|
Text(message, textAlign: TextAlign.center, style: const TextStyle(color: GodTheme.textSecondary)),
|
|
const SizedBox(height: 16),
|
|
OutlinedButton.icon(
|
|
onPressed: onRetry,
|
|
icon: const Icon(Icons.refresh),
|
|
label: const Text('Retry'),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|