436 lines
13 KiB
Dart
436 lines
13 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:go_router/go_router.dart';
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import 'package:provider/provider.dart';
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import '../models/group_model.dart';
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import '../providers/group_provider.dart';
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import '../theme/app_theme.dart';
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import '../widgets/app_sidebar.dart';
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import '../widgets/responsive_layout.dart';
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class GroupsScreen extends StatefulWidget {
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const GroupsScreen({super.key});
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@override
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State<GroupsScreen> createState() => _GroupsScreenState();
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}
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class _GroupsScreenState extends State<GroupsScreen> {
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final _searchCtrl = TextEditingController();
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String _search = '';
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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<GroupProvider>().loadGroups();
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});
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}
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@override
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void dispose() {
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_searchCtrl.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return ResponsiveLayout(
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title: 'گروهها',
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sidebar: const AppSidebar(),
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body: _GroupsBody(
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search: _search,
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searchCtrl: _searchCtrl,
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onSearch: (v) => setState(() => _search = v.toLowerCase()),
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),
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);
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}
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}
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class _GroupsBody extends StatelessWidget {
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final String search;
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final TextEditingController searchCtrl;
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final ValueChanged<String> onSearch;
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const _GroupsBody({
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required this.search,
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required this.searchCtrl,
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required this.onSearch,
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});
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@override
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Widget build(BuildContext context) {
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return Padding(
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padding: const EdgeInsets.all(24),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// ── Header ───────────────────────────────────────────────
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Row(
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children: [
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const 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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'مدیریت گروهها',
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style: TextStyle(
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fontSize: 24,
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fontWeight: FontWeight.w800,
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color: AppTheme.textPrimary,
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),
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),
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SizedBox(height: 4),
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Text(
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'ایجاد و مدیریت گروههای ارتباطی',
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style: TextStyle(
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fontSize: 14, color: AppTheme.textSecondary),
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),
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],
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),
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),
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ElevatedButton.icon(
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onPressed: () => _showCreateDialog(context),
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icon: const Icon(Icons.group_add_rounded, size: 18),
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label: const Text('گروه جدید'),
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),
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],
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),
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const SizedBox(height: 20),
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// ── Search ───────────────────────────────────────────────
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TextField(
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controller: searchCtrl,
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onChanged: onSearch,
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decoration: const InputDecoration(
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hintText: 'جستجوی گروه...',
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prefixIcon: Icon(Icons.search_rounded),
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),
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),
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const SizedBox(height: 16),
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// ── Table ────────────────────────────────────────────────
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Expanded(
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child: Consumer<GroupProvider>(
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builder: (_, 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.status == LoadStatus.error) {
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return _ErrorView(
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message: provider.error ?? 'خطا',
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onRetry: () => provider.loadGroups(),
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);
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}
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final filtered = provider.groups
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.where((g) =>
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search.isEmpty || g.name.toLowerCase().contains(search))
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.toList();
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if (filtered.isEmpty) {
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return const _EmptyView(
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icon: Icons.groups_outlined,
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message: 'گروهی یافت نشد',
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);
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}
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return _GroupsTable(groups: filtered);
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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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void _showCreateDialog(BuildContext context) {
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showDialog(
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context: context,
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builder: (_) => const _CreateGroupDialog(),
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);
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}
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}
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// ── Create Group Dialog ──────────────────────────────────────────────────────
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class _CreateGroupDialog extends StatefulWidget {
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const _CreateGroupDialog();
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@override
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State<_CreateGroupDialog> createState() => _CreateGroupDialogState();
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}
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class _CreateGroupDialogState extends State<_CreateGroupDialog> {
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final _formKey = GlobalKey<FormState>();
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final _nameCtrl = TextEditingController();
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bool _loading = false;
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String? _error;
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@override
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void dispose() {
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_nameCtrl.dispose();
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super.dispose();
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}
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Future<void> _submit() async {
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if (!_formKey.currentState!.validate()) return;
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setState(() {
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_loading = true;
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_error = null;
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});
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final provider = context.read<GroupProvider>();
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final group = await provider.createGroup(
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_nameCtrl.text.trim(),
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);
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if (!mounted) return;
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setState(() => _loading = false);
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if (group != null) {
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Navigator.of(context).pop();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('گروه «${group.name}» با موفقیت ایجاد شد'),
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backgroundColor: AppTheme.success,
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),
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);
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} else {
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setState(() => _error = provider.error);
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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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return AlertDialog(
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title: const Row(
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children: [
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Icon(Icons.group_add_rounded, color: AppTheme.primary),
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SizedBox(width: 10),
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Text('ایجاد گروه جدید'),
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],
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),
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content: SizedBox(
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width: 400,
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child: Form(
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key: _formKey,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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TextFormField(
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controller: _nameCtrl,
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decoration: const InputDecoration(
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labelText: 'نام گروه',
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prefixIcon: Icon(Icons.groups_rounded),
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),
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validator: (v) => (v == null || v.trim().isEmpty)
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? 'نام گروه الزامی است'
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: null,
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),
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if (_error != null) ...[
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const SizedBox(height: 12),
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Container(
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padding: const EdgeInsets.all(10),
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decoration: BoxDecoration(
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color: AppTheme.danger.withValues(alpha: 0.08),
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borderRadius: BorderRadius.circular(8),
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border: Border.all(
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color: AppTheme.danger.withValues(alpha: 0.3)),
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),
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child: Text(
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_error!,
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style:
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const TextStyle(color: AppTheme.danger, fontSize: 13),
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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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actions: [
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TextButton(
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onPressed: _loading ? null : () => Navigator.of(context).pop(),
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child: const Text('انصراف'),
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),
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ElevatedButton(
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onPressed: _loading ? null : _submit,
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child: _loading
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? const SizedBox(
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width: 18,
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height: 18,
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child: CircularProgressIndicator(
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color: Colors.white, strokeWidth: 2))
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: const Text('ایجاد'),
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),
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],
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);
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}
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}
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// ── Groups Table ─────────────────────────────────────────────────────────────
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class _GroupsTable extends StatelessWidget {
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final List<GroupModel> groups;
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const _GroupsTable({required this.groups});
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@override
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Widget build(BuildContext context) {
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return Card(
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child: ClipRRect(
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borderRadius: BorderRadius.circular(12),
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child: SingleChildScrollView(
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child: SingleChildScrollView(
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scrollDirection: Axis.horizontal,
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child: DataTable(
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columns: const [
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DataColumn(label: Text('نام گروه')),
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DataColumn(label: Text('نوع')),
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DataColumn(label: Text('وضعیت')),
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DataColumn(label: Text('عملیات')),
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],
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rows: groups.map((g) => _buildRow(context, g)).toList(),
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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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DataRow _buildRow(BuildContext context, GroupModel group) {
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return DataRow(
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cells: [
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DataCell(
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Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Container(
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width: 34,
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height: 34,
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decoration: BoxDecoration(
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color: const Color(0xFF7C3AED).withValues(alpha: 0.12),
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borderRadius: BorderRadius.circular(8),
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),
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child: const Icon(
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Icons.groups_rounded,
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color: Color(0xFF7C3AED),
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size: 18,
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),
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),
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const SizedBox(width: 10),
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Text(
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group.name,
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style: const TextStyle(fontWeight: FontWeight.w600),
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),
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],
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),
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),
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DataCell(
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Text(
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group.type.label,
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style: const TextStyle(color: AppTheme.textSecondary),
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),
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),
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DataCell(_StatusBadge(isActive: group.isActive)),
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DataCell(
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TextButton.icon(
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onPressed: () => context.go('/groups/${group.id}'),
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icon: const Icon(Icons.arrow_forward_rounded, size: 16),
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label: const Text('جزئیات'),
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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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// ── Shared small widgets ─────────────────────────────────────────────────────
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class _StatusBadge extends StatelessWidget {
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final bool isActive;
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const _StatusBadge({required this.isActive});
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@override
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Widget build(BuildContext context) {
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final color = isActive ? AppTheme.success : AppTheme.danger;
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
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decoration: BoxDecoration(
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color: color.withValues(alpha: 0.12),
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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: 6,
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height: 6,
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decoration: BoxDecoration(color: color, shape: BoxShape.circle),
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),
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const SizedBox(width: 5),
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Text(
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isActive ? 'فعال' : 'غیرفعال',
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style: TextStyle(
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color: color,
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fontSize: 12,
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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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class _EmptyView extends StatelessWidget {
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final IconData icon;
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final String message;
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const _EmptyView({required this.icon, required this.message});
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@override
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Widget build(BuildContext context) {
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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(icon, size: 64, color: AppTheme.border),
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const SizedBox(height: 16),
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Text(
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message,
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style: const TextStyle(color: AppTheme.textSecondary, fontSize: 16),
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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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final String message;
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final VoidCallback onRetry;
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const _ErrorView({required this.message, required this.onRetry});
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@override
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Widget build(BuildContext context) {
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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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const Icon(Icons.error_outline_rounded,
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size: 64, color: AppTheme.danger),
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const SizedBox(height: 16),
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Text(message, style: const TextStyle(color: AppTheme.textSecondary)),
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const SizedBox(height: 16),
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ElevatedButton.icon(
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onPressed: onRetry,
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icon: const Icon(Icons.refresh_rounded),
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label: const Text('تلاش مجدد'),
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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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