797 lines
26 KiB
Dart
797 lines
26 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'package:votianlt_app/services/developer.dart' as developer;
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import 'package:image/image.dart' as img;
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import 'package:flutter/material.dart';
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import 'package:flutter/foundation.dart';
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import 'l10n/app_localizations.dart';
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import 'models/job.dart';
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import 'models/task.dart';
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import 'models/tasks/confirmation_task.dart';
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import 'models/tasks/photo_task.dart';
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import 'models/tasks/todolist_task.dart';
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import 'models/tasks/signature_task.dart';
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import 'models/tasks/barcode_task.dart';
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import 'models/tasks/comment_task.dart';
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import 'services/database_service.dart';
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import 'widgets/offline_banner.dart';
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import 'services/websocket_service.dart';
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import 'Tasks/photo_capture_screen.dart';
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import 'Tasks/barcode_capture_screen.dart';
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import 'Tasks/signature_capture_screen.dart';
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class TaskView extends StatefulWidget {
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final Job job;
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final int? stationOrder;
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final String? stationTitle;
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const TaskView({
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super.key,
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required this.job,
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this.stationOrder,
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this.stationTitle,
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});
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@override
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State<TaskView> createState() => _TaskViewState();
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}
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class _TaskViewState extends State<TaskView> {
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final Set<String> _completedTasks = {};
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final Set<String> _skippedTasks = {};
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final DatabaseService _databaseService = DatabaseService();
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// Store SVG representations of signatures per task for later use
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final Map<String, String> _signatureSvgByTask = {};
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@override
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void initState() {
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super.initState();
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_loadTaskStatuses();
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}
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List<Task> get _visibleTasks {
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final stationOrder = widget.stationOrder;
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if (stationOrder == null) {
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return widget.job.tasks;
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}
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return widget.job.tasks
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.where((task) => task.stationOrder == stationOrder)
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.toList();
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}
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/// Load task completion statuses from database and merge with JSON task states
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Future<void> _loadTaskStatuses() async {
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final statuses = await _databaseService.loadAllTaskStatuses();
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setState(() {
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_completedTasks.clear();
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// 1) Add all completed from DB
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for (final entry in statuses.entries) {
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if (entry.value) {
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_completedTasks.add(entry.key);
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}
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}
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// 2) Merge: also mark tasks completed if the job JSON already had them completed
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for (final t in widget.job.tasks) {
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if (t.completed) {
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_completedTasks.add(t.id);
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}
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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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return Scaffold(
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appBar: AppBar(
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title: Text(
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widget.stationTitle?.isNotEmpty == true
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? '${AppLocalizations.of(context).tasks} - ${widget.stationTitle}'
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: '${AppLocalizations.of(context).tasks} - ${widget.job.jobNumber}',
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),
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backgroundColor: Colors.deepPurple[100],
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leading: IconButton(
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icon: const Icon(Icons.arrow_back),
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onPressed: () {
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Navigator.of(context).pop();
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},
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),
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actions: [
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IconButton(
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icon: const Icon(Icons.chat),
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onPressed: () {
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Navigator.of(context).pushNamed('/chats');
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},
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tooltip: AppLocalizations.of(context).openChat,
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),
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],
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),
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body: Column(
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children: [
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OfflineBanner(),
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if (_getRemark().isNotEmpty)
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Container(
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width: double.infinity,
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margin: const EdgeInsets.all(5),
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constraints: const BoxConstraints(maxHeight: 150),
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padding: const EdgeInsets.all(12.0),
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decoration: BoxDecoration(
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color: const Color(0xFFF8F9FA),
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border: Border.all(color: Colors.grey[300]!, width: 1),
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borderRadius: BorderRadius.circular(8),
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),
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child: SingleChildScrollView(
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child: Text(
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_getRemark(),
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style: TextStyle(fontSize: 14, color: Colors.grey[700]),
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),
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),
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),
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Expanded(
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [Expanded(child: _buildTasksStepper())],
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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 _buildTasksStepper() {
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if (_visibleTasks.isEmpty) {
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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(Icons.task_outlined, size: 64, color: Colors.grey[400]),
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const SizedBox(height: 16),
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Text(
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AppLocalizations.of(context).noTasks,
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style: TextStyle(fontSize: 16, color: Colors.grey[600]),
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),
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const SizedBox(height: 8),
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Text(
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AppLocalizations.of(context).noTasksMessage,
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style: TextStyle(fontSize: 14, color: Colors.grey[500]),
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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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}
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return ListView.builder(
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itemCount: _visibleTasks.length,
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itemBuilder: (context, index) {
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final task = _visibleTasks[index];
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final isCompleted = _completedTasks.contains(task.id);
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final isSkipped = _skippedTasks.contains(task.id);
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final canBeCompletedNow =
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!isCompleted && !isSkipped && _arePreviousTasksCompleted(index);
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// Hintergrundfarbe je nach Status:
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// abgeschlossen → hellgrün, übersprungen → hellgelb, bearbeitbar → weiß, gesperrt → hellgrau
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final Color cardColor =
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isCompleted
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? const Color(0xFFE8F5E9) // hellgrün
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: isSkipped
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? const Color(0xFFFFF8E1) // hellgelb
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: canBeCompletedNow
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? Colors.white
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: const Color(0xFFF5F5F5); // hellgrau
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final Color borderColor =
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isCompleted
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? Colors.green[300]!
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: isSkipped
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? Colors.amber[300]!
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: canBeCompletedNow
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? Colors.grey[300]!
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: Colors.grey[200]!;
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final Color circleColor =
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isCompleted
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? Colors.green[600]!
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: isSkipped
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? Colors.amber[600]!
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: canBeCompletedNow
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? Colors.deepPurple[400]!
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: Colors.grey[400]!;
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return Card(
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margin: const EdgeInsets.only(bottom: 12),
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elevation: isCompleted || canBeCompletedNow ? 2 : 0,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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side: BorderSide(color: borderColor, width: 1),
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),
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child: InkWell(
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onTap:
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canBeCompletedNow
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? () => _showTaskCompletionDialog(task, index)
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: null,
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borderRadius: BorderRadius.circular(12),
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child: Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(12),
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color: cardColor,
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),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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// Task number circle
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Container(
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width: 40,
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height: 40,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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color: circleColor,
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),
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child: Center(
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child: Text(
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'${index + 1}',
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style: TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.bold,
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fontSize: 16,
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),
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),
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),
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),
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const SizedBox(width: 16),
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// Task 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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_buildTaskDisplayText(
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task,
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isCompleted || isSkipped,
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index,
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),
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if (_getTaskStationLabel(task) != null) ...[
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const SizedBox(height: 4),
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Text(
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_getTaskStationLabel(task)!,
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style: TextStyle(
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fontSize: 12,
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color: Colors.grey[600],
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fontWeight: FontWeight.w500,
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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 (isCompleted) ...[
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const SizedBox(width: 8),
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Icon(Icons.check_circle, color: Colors.green[600]),
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],
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if (isSkipped) ...[
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const SizedBox(width: 8),
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Icon(Icons.skip_next, color: Colors.amber[600]),
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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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void _showTaskCompletionDialog(Task task, int taskIndex) {
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switch (task) {
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case ConfirmationTask():
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_showConfirmationDialog(task, taskIndex);
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break;
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case PhotoTask():
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_showPhotoDialog(task);
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break;
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case TodoListTask():
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_showTodoListDialog(task);
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break;
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case SignatureTask():
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_showSignatureDialog(task);
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break;
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case BarcodeTask():
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_showBarcodeDialog(task);
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break;
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case CommentTask():
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_showCommentDialog(task);
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break;
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default:
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_showGenericDialog(task);
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break;
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}
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}
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void _showConfirmationDialog(ConfirmationTask task, int taskIndex) {
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final description =
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task.description?.isNotEmpty == true
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? task.description!
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: AppLocalizations.of(context).confirmationDescription;
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final buttonText =
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task.buttonText.isNotEmpty
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? task.buttonText
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: AppLocalizations.of(context).confirm;
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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title: Text(AppLocalizations.of(context).confirmationRequired),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [Text(description)],
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(),
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child: Text(AppLocalizations.of(context).cancel),
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),
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ElevatedButton(
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onPressed: () {
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Navigator.of(context).pop();
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_completeTask(task.id, taskType: 'CONFIRMATION');
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},
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child: Text(buttonText),
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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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// Compress photos and Base64-encode while keeping total payload under a cap
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Future<List<String>> _compressAndEncodePhotos(
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List<Uint8List> photos, {
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int maxDim = 1280,
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int jpegQuality = 70,
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int maxTotalBase64Bytes = 450 * 1024,
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}) async {
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final List<String> encoded = [];
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int total = 0;
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for (final bytes in photos) {
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try {
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final img.Image? decoded = img.decodeImage(bytes);
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if (decoded == null) {
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continue;
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}
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// Resize if needed keeping aspect ratio
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final int w = decoded.width;
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final int h = decoded.height;
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img.Image resized = decoded;
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final int longest = w > h ? w : h;
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if (longest > maxDim) {
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if (w >= h) {
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resized = img.copyResize(decoded, width: maxDim);
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} else {
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resized = img.copyResize(decoded, height: maxDim);
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}
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}
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final List<int> jpg = img.encodeJpg(resized, quality: jpegQuality);
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final String b64 = base64Encode(jpg);
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// Respect total payload cap
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if (total + b64.length > maxTotalBase64Bytes) {
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break;
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}
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encoded.add(b64);
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total += b64.length;
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} catch (e, st) {
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developer.log('Photo compress/encode error: $e', name: 'TaskView');
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developer.log('Stack: $st', name: 'TaskView');
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}
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}
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return encoded;
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}
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void _showPhotoDialog(PhotoTask task) {
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Navigator.of(context).push(
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MaterialPageRoute(
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builder:
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(context) => PhotoCaptureScreen(
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task: task,
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onPhotosCompleted: (List<Uint8List> photoData) async {
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// Compress + encode photos for network send (limit payload)
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final List<String> base64List = await _compressAndEncodePhotos(
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photoData,
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);
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final bool truncated = base64List.length < photoData.length;
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// Try to persist full-quality (encoded) photos to DB for offline/backup
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try {
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// Persist the compressed versions to keep DB size reasonable as well
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await _databaseService.saveTaskPhotos(task.id, base64List);
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} catch (e, stackTrace) {
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developer.log(
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'Error saving task photos: $e',
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name: 'TaskView',
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);
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developer.log('Stack trace: $stackTrace', name: 'TaskView');
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}
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// Always complete the task regardless of persistence success/failure
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_completeTask(
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task.id,
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taskType: 'PHOTO',
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extraData: {
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'photos': base64List,
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'count': photoData.length,
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if (truncated) 'truncated': true,
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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 _showTodoListDialog(TodoListTask task) {
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final items = task.todoItems;
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final List<bool> checkedItems = List.filled(items.length, false);
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return StatefulBuilder(
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builder: (context, setState) {
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return AlertDialog(
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title: Text(AppLocalizations.of(context).checklist),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(AppLocalizations.of(context).checklistDescription),
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const SizedBox(height: 16),
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...items.asMap().entries.map((entry) {
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final index = entry.key;
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final item = entry.value;
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return CheckboxListTile(
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title: Text(item),
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value: checkedItems[index],
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onChanged: (bool? value) {
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setState(() {
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checkedItems[index] = value ?? false;
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});
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},
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dense: true,
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contentPadding: EdgeInsets.zero,
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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.of(context).pop(),
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child: Text(AppLocalizations.of(context).abort),
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),
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ElevatedButton(
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onPressed:
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checkedItems.every((checked) => checked)
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? () {
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Navigator.of(context).pop();
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_completeTask(
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task.id,
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taskType: 'TODOLIST',
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extraData: {
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'items': task.todoItems,
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'checkedStates': checkedItems,
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},
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);
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}
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: null,
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child: Text(AppLocalizations.of(context).finish),
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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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void _showSignatureDialog(SignatureTask task) {
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Navigator.of(context).push(
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MaterialPageRoute(
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builder:
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(context) => SignatureCaptureScreen(
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task: task,
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onSignatureCompleted: (String svg) async {
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try {
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// Persist SVG only (no PNG)
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await _databaseService.saveTaskSignature(task.id, svg);
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} catch (e, stackTrace) {
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developer.log(
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'Error saving task signature: $e',
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name: 'TaskView',
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);
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developer.log('Stack trace: $stackTrace', name: 'TaskView');
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}
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// Store SVG for later use in this TaskView session
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setState(() {
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_signatureSvgByTask[task.id] = svg;
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});
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// Read back once (for analyzer to see it used) and optional debug
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debugPrint(
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'Signature SVG stored for task ${task.id}: length=${_signatureSvgByTask[task.id]?.length ?? 0}',
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);
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_completeTask(
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task.id,
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taskType: 'SIGNATURE',
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extraData: {
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'signatureSvg': svg,
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'svgLength': svg.length,
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'hasSignature': true,
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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 _showBarcodeDialog(BarcodeTask task) {
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Navigator.of(context).push(
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MaterialPageRoute(
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builder:
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(context) => BarcodeCaptureScreen(
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task: task,
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onBarcodesCompleted: (List<String> barcodes) async {
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try {
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// Save barcodes to database for later use
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await _databaseService.saveTaskBarcodes(task.id, barcodes);
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} catch (e, stackTrace) {
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developer.log(
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'Error saving task barcodes: $e',
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name: 'TaskView',
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);
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developer.log('Stack trace: $stackTrace', name: 'TaskView');
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}
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_completeTask(
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task.id,
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taskType: 'BARCODE',
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extraData: {'barcodes': barcodes, 'count': barcodes.length},
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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 _showGenericDialog(Task task) {
|
|
final TextEditingController noteController = TextEditingController();
|
|
|
|
showDialog(
|
|
context: context,
|
|
builder: (BuildContext context) {
|
|
return AlertDialog(
|
|
title: Text(AppLocalizations.of(context).completeTask),
|
|
content: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(AppLocalizations.of(context).completeTaskConfirm),
|
|
const SizedBox(height: 16),
|
|
TextField(
|
|
controller: noteController,
|
|
decoration: InputDecoration(
|
|
labelText: AppLocalizations.of(context).completeTaskNote,
|
|
border: const OutlineInputBorder(),
|
|
),
|
|
maxLines: 3,
|
|
),
|
|
],
|
|
),
|
|
actions: [
|
|
TextButton(
|
|
onPressed: () => Navigator.of(context).pop(),
|
|
child: Text(AppLocalizations.of(context).abort),
|
|
),
|
|
ElevatedButton(
|
|
onPressed: () {
|
|
Navigator.of(context).pop();
|
|
_completeTask(task.id, taskType: 'GENERIC');
|
|
},
|
|
child: Text(AppLocalizations.of(context).complete),
|
|
),
|
|
],
|
|
);
|
|
},
|
|
);
|
|
}
|
|
|
|
void _completeTask(
|
|
String taskId, {
|
|
String? taskType,
|
|
Map<String, dynamic>? extraData,
|
|
}) {
|
|
setState(() {
|
|
_completedTasks.add(taskId);
|
|
});
|
|
// Save to database
|
|
_databaseService.saveTaskStatus(taskId, true);
|
|
|
|
// Notify server via STOMP about task completion (best-effort)
|
|
try {
|
|
StompService().sendTaskCompleted(
|
|
taskId: taskId,
|
|
taskType: taskType,
|
|
extraData: extraData,
|
|
);
|
|
} catch (e) {
|
|
developer.log('Error sending task completion: $e', name: 'TaskView');
|
|
}
|
|
}
|
|
|
|
bool _arePreviousTasksCompleted(int index) {
|
|
if (index <= 0) return true;
|
|
for (int i = 0; i < index; i++) {
|
|
final t = _visibleTasks[i];
|
|
if (!t.optional &&
|
|
!_completedTasks.contains(t.id) &&
|
|
!_skippedTasks.contains(t.id)) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void _showCommentDialog(CommentTask task) {
|
|
final TextEditingController commentController = TextEditingController();
|
|
commentController.text = task.commentText;
|
|
|
|
showDialog(
|
|
context: context,
|
|
builder: (BuildContext context) {
|
|
return AlertDialog(
|
|
title: Text(AppLocalizations.of(context).enterComment),
|
|
content: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(AppLocalizations.of(context).commentDescription),
|
|
const SizedBox(height: 16),
|
|
TextField(
|
|
controller: commentController,
|
|
decoration: InputDecoration(
|
|
labelText:
|
|
task.required
|
|
? AppLocalizations.of(context).commentRequired
|
|
: AppLocalizations.of(context).comment,
|
|
border: const OutlineInputBorder(),
|
|
hintText: '...',
|
|
),
|
|
maxLines: 4,
|
|
minLines: 2,
|
|
),
|
|
],
|
|
),
|
|
actions: [
|
|
TextButton(
|
|
onPressed: () => Navigator.of(context).pop(),
|
|
child: Text(AppLocalizations.of(context).abort),
|
|
),
|
|
ElevatedButton(
|
|
onPressed: () {
|
|
final comment = commentController.text.trim();
|
|
if (task.required && comment.isEmpty) {
|
|
ScaffoldMessenger.of(context).showSnackBar(
|
|
SnackBar(
|
|
content: Text(
|
|
AppLocalizations.of(context).commentRequired,
|
|
),
|
|
),
|
|
);
|
|
return;
|
|
}
|
|
Navigator.of(context).pop();
|
|
_completeTask(
|
|
task.id,
|
|
taskType: 'COMMENT',
|
|
extraData: {
|
|
'commentText': comment,
|
|
'required': task.required,
|
|
},
|
|
);
|
|
},
|
|
child: Text(AppLocalizations.of(context).save),
|
|
),
|
|
],
|
|
);
|
|
},
|
|
);
|
|
}
|
|
|
|
Widget _buildTaskDisplayText(Task task, bool isCompleted, int taskIndex) {
|
|
final titleStyle = TextStyle(
|
|
fontSize: 16,
|
|
fontWeight: FontWeight.w600,
|
|
color: Colors.grey[800],
|
|
decoration: isCompleted ? TextDecoration.lineThrough : null,
|
|
);
|
|
final subtitleStyle = TextStyle(
|
|
fontSize: 13,
|
|
color: Colors.grey[600],
|
|
decoration: isCompleted ? TextDecoration.lineThrough : null,
|
|
);
|
|
|
|
final displayName = task.displayName;
|
|
final description = task.description;
|
|
|
|
if (displayName?.isNotEmpty == true) {
|
|
return Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(displayName!, style: titleStyle),
|
|
if (description?.isNotEmpty == true) ...[
|
|
const SizedBox(height: 2),
|
|
Text(description!, style: subtitleStyle),
|
|
],
|
|
],
|
|
);
|
|
}
|
|
|
|
if (description?.isNotEmpty == true) {
|
|
return Text(description!, style: titleStyle);
|
|
}
|
|
|
|
// Fall back to standard text based on task type
|
|
return Text(_getStandardTaskDisplayText(task), style: titleStyle);
|
|
}
|
|
|
|
String _getStandardTaskDisplayText(Task task) {
|
|
// Generate display text based on task type
|
|
switch (task) {
|
|
case PhotoTask():
|
|
return '${AppLocalizations.of(context).takePhotos} (${task.minPhotoCount}-${task.maxPhotoCount} ${AppLocalizations.of(context).photosCount})';
|
|
|
|
case TodoListTask():
|
|
return '${AppLocalizations.of(context).checklist} (${task.todoItems.length} ${AppLocalizations.of(context).checklistPoints})';
|
|
|
|
case SignatureTask():
|
|
return AppLocalizations.of(context).signatureRequiredText;
|
|
|
|
case BarcodeTask():
|
|
return '${AppLocalizations.of(context).scanBarcodes} (${task.minBarcodeCount}-${task.maxBarcodeCount} ${AppLocalizations.of(context).barcodeCount})';
|
|
|
|
case CommentTask():
|
|
return task.required
|
|
? AppLocalizations.of(context).commentRequired
|
|
: AppLocalizations.of(context).commentOptional;
|
|
|
|
default:
|
|
return AppLocalizations.of(context).genericTask;
|
|
}
|
|
}
|
|
|
|
String _getRemark() => widget.job.remark;
|
|
|
|
String? _getTaskStationLabel(Task task) {
|
|
if (widget.stationOrder != null) {
|
|
return null;
|
|
}
|
|
final stationOrder = task.stationOrder;
|
|
if (stationOrder == null) {
|
|
return null;
|
|
}
|
|
|
|
for (final station in widget.job.deliveryStations) {
|
|
if (station.stationOrder == stationOrder) {
|
|
final suffix =
|
|
station.displayName.isNotEmpty ? station.displayName : station.city;
|
|
return suffix.isNotEmpty
|
|
? 'Station ${stationOrder + 1}: $suffix'
|
|
: 'Station ${stationOrder + 1}';
|
|
}
|
|
}
|
|
|
|
return 'Station ${stationOrder + 1}';
|
|
}
|
|
}
|