progress on batches
This commit is contained in:
426
lib/screens/groups/groups_screen.dart
Normal file
426
lib/screens/groups/groups_screen.dart
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@@ -0,0 +1,426 @@
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import 'package:flutter/material.dart';
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import 'package:go_router/go_router.dart';
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import 'package:qpay/screens/groups/models/recipient_group_model.dart';
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import 'package:qpay/models/responsive_policy.dart';
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import 'package:qpay/screens/groups/controllers/group_controller.dart';
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import 'package:shared_preferences/shared_preferences.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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late GroupController controller;
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late SharedPreferences prefs;
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final _searchController = TextEditingController();
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final _scrollController = ScrollController();
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@override
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void initState() {
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super.initState();
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controller = GroupController(context);
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_loadData();
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_scrollController.addListener(_onScroll);
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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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controller.loadNextPage(userId: prefs.getString('userId') ?? '');
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}
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}
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Future<void> _loadData() async {
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prefs = await SharedPreferences.getInstance();
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final userId = prefs.getString('userId') ?? '';
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await controller.listGroups(userId: userId);
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}
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void _onSearchChanged(String value) {
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final userId = prefs.getString('userId') ?? '';
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controller.searchGroups(
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userId: userId,
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name: value.isNotEmpty ? value : null,
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);
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}
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void _onDeleteSelected() async {
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final userId = prefs.getString('userId') ?? '';
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final count = controller.model.selectedGroupIds.length;
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (ctx) => AlertDialog(
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title: const Text('Delete groups'),
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content: Text('Are you sure you want to delete $count group(s)?'),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(ctx).pop(false),
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child: const Text('Cancel'),
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),
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TextButton(
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onPressed: () => Navigator.of(ctx).pop(true),
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style: TextButton.styleFrom(foregroundColor: Colors.red),
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child: const Text('Delete'),
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),
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],
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),
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);
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if (confirmed == true) {
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await controller.deleteSelectedGroups(userId: userId);
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}
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}
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@override
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void dispose() {
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_searchController.dispose();
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_scrollController.dispose();
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controller.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 Scaffold(
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appBar: AppBar(
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title: const Text(
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'Groups',
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style: TextStyle(fontSize: 20, color: Colors.black),
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),
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centerTitle: true,
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),
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body: ListenableBuilder(
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listenable: controller,
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builder: (context, _) {
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return Column(
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children: [
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Expanded(
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child: SingleChildScrollView(
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controller: _scrollController,
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child: Center(
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child: LayoutBuilder(
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builder: (context, constraints) {
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final width = constraints.maxWidth > ResponsivePolicy.md
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? ResponsivePolicy.md.toDouble()
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: constraints.maxWidth;
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return SizedBox(
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width: width,
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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_buildSearchRow(),
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const SizedBox(height: 16),
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_buildContent(),
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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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if (controller.model.selectMode) _buildSelectionBottomBar(),
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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 _buildSearchRow() {
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return Row(
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children: [
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Expanded(
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child: TextFormField(
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controller: _searchController,
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decoration: InputDecoration(
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hintText: 'Search groups by name...',
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prefixIcon: const Icon(Icons.search),
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suffixIcon: _searchController.text.isNotEmpty
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? IconButton(
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icon: const Icon(Icons.clear),
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onPressed: () {
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_searchController.clear();
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_onSearchChanged('');
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},
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)
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: null,
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filled: true,
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fillColor: Colors.grey.shade100,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: BorderSide.none,
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: BorderSide(
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color: Theme.of(context).colorScheme.primary,
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),
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),
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),
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onChanged: _onSearchChanged,
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),
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),
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const SizedBox(width: 8),
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_buildIconButton(
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icon: controller.model.selectMode
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? Icons.checklist
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: Icons.checklist_outlined,
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tooltip: 'Select groups',
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isActive: controller.model.selectMode,
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onPressed: () => controller.toggleSelectMode(),
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),
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const SizedBox(width: 8),
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_buildIconButton(
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icon: Icons.add,
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tooltip: 'Create new group',
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isActive: false,
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onPressed: _createGroup,
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),
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],
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);
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}
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_createGroup() async {
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final response = await context.push('/groups/create');
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if (response == true) {
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_loadData();
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}
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}
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Widget _buildIconButton({
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required IconData icon,
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required String tooltip,
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required bool isActive,
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required VoidCallback onPressed,
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}) {
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return Container(
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decoration: BoxDecoration(
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color: isActive
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? Theme.of(context).colorScheme.primary
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: Colors.grey.shade100,
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borderRadius: BorderRadius.circular(12),
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),
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child: IconButton(
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icon: Icon(icon, color: isActive ? Colors.white : Colors.grey.shade700),
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tooltip: tooltip,
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onPressed: onPressed,
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),
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);
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}
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Widget _buildContent() {
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if (controller.model.isLoading) {
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return const Center(
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child: Padding(
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padding: EdgeInsets.symmetric(vertical: 60),
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child: CircularProgressIndicator(),
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),
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);
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}
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if (controller.model.groups.isEmpty) {
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return Center(child: _buildEmptyState());
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}
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return Column(
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children: [
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if (controller.model.selectMode)
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Padding(
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padding: const EdgeInsets.only(bottom: 8),
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child: Row(
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children: [
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Text(
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'${controller.model.selectedGroupIds.length} selected',
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: Colors.grey.shade600,
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),
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),
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],
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),
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),
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ListView.separated(
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shrinkWrap: true,
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physics: const NeverScrollableScrollPhysics(),
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itemCount: controller.model.groups.length,
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separatorBuilder: (_, __) => const SizedBox(height: 8),
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itemBuilder: (context, index) {
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return _buildGroupCard(controller.model.groups[index]);
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},
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),
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if (controller.model.isLoadingMore)
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const Padding(
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padding: EdgeInsets.symmetric(vertical: 16),
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child: Center(child: CircularProgressIndicator(strokeWidth: 2)),
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),
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],
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);
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}
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Widget _buildEmptyState() {
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return Column(
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children: [
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const SizedBox(height: 40),
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Icon(Icons.group_outlined, size: 64, color: Colors.grey.shade400),
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const SizedBox(height: 16),
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const Text(
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'No groups yet.',
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600),
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),
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const SizedBox(height: 8),
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Text(
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'Create a group to start sending batch payments.',
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style: TextStyle(fontSize: 14, color: Colors.grey.shade600),
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textAlign: TextAlign.center,
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),
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],
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);
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}
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Widget _buildGroupCard(RecipientGroup group) {
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final isSelected = controller.model.selectedGroupIds.contains(group.id);
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final inSelectMode = controller.model.selectMode;
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return Card(
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elevation: 0,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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side: BorderSide(
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color: inSelectMode && isSelected
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? Theme.of(context).colorScheme.primary
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: Colors.black12.withAlpha(30),
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width: inSelectMode && isSelected ? 2 : 1,
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),
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),
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child: InkWell(
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borderRadius: BorderRadius.circular(12),
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onTap: inSelectMode
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? () => controller.toggleGroupSelection(group.id!)
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: () => context.push('/groups/${group.id}', extra: group),
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Row(
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children: [
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if (inSelectMode)
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Padding(
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padding: const EdgeInsets.only(right: 12),
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child: Icon(
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isSelected
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? Icons.check_box
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: Icons.check_box_outline_blank,
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color: isSelected
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? Theme.of(context).colorScheme.primary
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: Colors.grey.shade400,
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),
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),
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CircleAvatar(
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backgroundColor: Theme.of(
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context,
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).colorScheme.primary.withAlpha(30),
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child: Text(
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_getGroupAbbreviation(group.name),
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style: TextStyle(
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color: Theme.of(context).colorScheme.primary,
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fontWeight: FontWeight.w600,
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fontSize: 16,
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),
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),
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),
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const SizedBox(width: 16),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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group.name,
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style: const TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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),
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),
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if (group.description != null &&
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group.description!.isNotEmpty)
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Padding(
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padding: const EdgeInsets.only(top: 4),
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child: Text(
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group.description!,
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style: TextStyle(
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fontSize: 13,
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color: Colors.grey.shade600,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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),
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],
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),
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),
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if (!inSelectMode)
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Icon(Icons.chevron_right, color: Colors.grey.shade400),
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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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String _getGroupAbbreviation(String name) {
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if (name.isEmpty) return '?';
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final words = name.trim().split(RegExp(r'\s+'));
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if (words.length >= 2) {
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return '${words.first[0]}${words.last[0]}'.toUpperCase();
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}
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return name.length >= 2
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? name.substring(0, 2).toUpperCase()
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: name[0].toUpperCase();
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}
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Widget _buildSelectionBottomBar() {
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final selectedCount = controller.model.selectedGroupIds.length;
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return Container(
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decoration: BoxDecoration(
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color: Colors.white,
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.08),
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blurRadius: 8,
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offset: const Offset(0, -2),
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),
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],
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),
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child: SafeArea(
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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child: Row(
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children: [
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Text(
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'$selectedCount selected',
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style: const TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w500,
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),
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),
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const Spacer(),
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TextButton.icon(
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onPressed: selectedCount > 0 ? _onDeleteSelected : null,
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icon: const Icon(Icons.delete_outline, size: 20),
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label: const Text('Delete'),
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style: TextButton.styleFrom(foregroundColor: Colors.red),
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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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Reference in New Issue
Block a user