Initial
This commit is contained in:
Aditya Pulipaka
406
lib/BlindMasterScreens/individualControl/device_screen.dart
Normal file
406
lib/BlindMasterScreens/individualControl/device_screen.dart
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import 'dart:convert';
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import 'package:blind_master/BlindMasterResources/error_snackbar.dart';
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import 'package:blind_master/BlindMasterResources/secure_transmissions.dart';
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import 'package:blind_master/BlindMasterResources/text_inputs.dart';
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import 'package:blind_master/BlindMasterScreens/individualControl/peripheral_screen.dart';
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import 'package:flutter/material.dart';
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import 'package:google_fonts/google_fonts.dart';
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class DeviceScreen extends StatefulWidget {
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final int deviceId;
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const DeviceScreen({super.key, required this.deviceId});
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@override
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State<DeviceScreen> createState() => _DeviceScreenState();
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}
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class _DeviceScreenState extends State<DeviceScreen> {
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bool enabled = false;
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final _newPeripheralNameController = TextEditingController();
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final _hubRenameController = TextEditingController();
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List<Map<String, dynamic>> peripherals = [];
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List occports = [];
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Widget? peripheralList;
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String deviceName = "...";
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@override
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void initState() {
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super.initState();
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initAll();
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}
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Future initAll() async {
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await getDeviceName();
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await populatePeripherals();
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}
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Future getDeviceName() async {
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try {
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final payload = {
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"deviceId": widget.deviceId
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};
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final response = await secureGet('device_name', queryParameters: payload);
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if (response == null) throw Exception("no response!");
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if (response.statusCode == 200) {
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final body = json.decode(response.body) as Map<String, dynamic>;
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setState(() {
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deviceName = body['device_name'];
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});
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}
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} catch (e) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
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}
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}
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Future populatePeripherals() async {
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setState(() {
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peripheralList = null;
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});
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try {
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final payload = {
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"deviceId": widget.deviceId
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};
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final response = await secureGet('peripheral_list', queryParameters: payload);
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if (response == null) throw Exception("no response!");
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if (response.statusCode == 200) {
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final body = json.decode(response.body) as Map<String, dynamic>;
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final names = body['peripheral_names'] as List;
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final ids = body['peripheral_ids'] as List;
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occports = body['port_nums'] as List;
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peripherals = List.generate(names.length, (i) => {
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'id': ids[i],
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'name': names[i],
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'port': occports[i]
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});
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peripherals.sort((a, b) => (a['port'] as int).compareTo(b['port'] as int));
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enabled = peripherals.length < 4;
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}
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setState(() {
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peripheralList = RefreshIndicator(
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onRefresh: populatePeripherals,
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child: peripherals.isEmpty ? SingleChildScrollView(
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physics: const AlwaysScrollableScrollPhysics(),
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child: SizedBox(
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height: MediaQuery.of(context).size.height * 0.6,
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child: const Center(
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child: Text(
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"No peripherals found...\nAdd one using the '+' button",
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textAlign: TextAlign.center,
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style: TextStyle(fontSize: 16),
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),
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),
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),
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) : ListView.builder(
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itemCount: peripherals.length,
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itemBuilder: (context, i) {
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final peripheral = peripherals[i];
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return Dismissible(
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key: Key(peripheral['id'].toString()),
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direction: DismissDirection.endToStart,
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background: Container(
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color: Colors.red,
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alignment: Alignment.centerRight,
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padding: const EdgeInsets.symmetric(horizontal: 20),
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child: const Icon(Icons.delete, color: Colors.white),
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),
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confirmDismiss: (direction) async {
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// Ask for confirmation (optional)
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return await showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Delete Peripheral'),
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content: const Text('Are you sure you want to delete this peripheral?'),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).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(context).pop(true),
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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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},
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onDismissed: (direction) => deletePeripheral(peripheral['id'], i),
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child: Card(
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child: ListTile(
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leading: const Icon(Icons.blinds),
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title: Text(peripheral['name']),
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subtitle: Text("Port #${peripheral['port']}"),
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trailing: const Icon(Icons.arrow_forward_ios_rounded),
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onTap: () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => PeripheralScreen(peripheralId: peripheral['id'],
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peripheralNum: peripheral['port'], deviceId: widget.deviceId,),
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),
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).then((_) { populatePeripherals(); });
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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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return Future.delayed(Duration(milliseconds: 500));
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} catch (e) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
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}
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}
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Future deletePeripheral(int id, int i) async {
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setState(() {
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peripherals.removeAt(i);
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peripheralList = null;
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});
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final payload = {
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'periphId': id,
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};
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try {
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final response = await securePost(payload, 'delete_peripheral');
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if (response == null) return;
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if (response.statusCode != 204) {
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if (response.statusCode == 404) {throw Exception('Device Not Found');}
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else if (response.statusCode == 500) {throw Exception('Server Error');}
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}
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if (mounted){
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: const Text(
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'Deleted',
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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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} catch (e) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
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}
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populatePeripherals();
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}
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void addPeripheral() {
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var freePorts = <int>{};
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for (int i = 1; i < 5; i++) {
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freePorts.add(i);
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}
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freePorts = freePorts.difference(occports.toSet());
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int? port = freePorts.firstOrNull;
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showDialog(
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context: context,
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builder: (BuildContext dialogContext) { // Use dialogContext for navigation within the dialog
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return AlertDialog(
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title: Text(
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'New Peripheral',
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style: GoogleFonts.aBeeZee(),
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),
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content: Column(
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mainAxisSize: MainAxisSize.min, // Keep column compact
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children: <Widget>[
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TextFormField(
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controller: _newPeripheralNameController,
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decoration: const InputDecoration(
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labelText: 'Peripheral Name',
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border: OutlineInputBorder(),
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),
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),
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const SizedBox(height: 20),
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DropdownButtonFormField<int>(
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value: port,
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decoration: const InputDecoration(
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labelText: 'Hub Port',
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border: OutlineInputBorder(),
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),
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items: freePorts.map((int number) {
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return DropdownMenuItem<int>(
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value: number,
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child: Text('$number'),
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);
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}).toList(),
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onChanged: (int? newValue) {
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setState(() {
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port = newValue;
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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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Row(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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children: [
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ElevatedButton(
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onPressed: () {
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Navigator.of(dialogContext).pop();
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},
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child: const Text(
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"Cancel",
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style: TextStyle(
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color: Colors.red
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),
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)
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),
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ElevatedButton(
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onPressed: () {
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uploadPeriphData(_newPeripheralNameController.text, port);
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Navigator.of(dialogContext).pop();
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},
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child: const Text("Add"),
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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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Future uploadPeriphData(String name, int? port) async {
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try {
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if (name.isEmpty || port == null) {
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throw Exception("Name and Port Required");
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}
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final payload = {
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'device_id': widget.deviceId,
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'port_num': port,
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'peripheral_name': name
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};
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final response = await securePost(payload, 'add_peripheral');
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if (response == null) throw Exception("Auth Error");
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if (response.statusCode != 201) {
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if (response.statusCode == 409) throw Exception("Choose a unique name!");
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throw Exception("Server Error");
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}
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populatePeripherals();
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} catch (e) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
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}
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}
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void rename() {
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showDialog(
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context: context,
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builder: (BuildContext dialogContext) {
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return AlertDialog(
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title: Text(
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"Rename Hub",
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style: GoogleFonts.aBeeZee(),
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),
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content: BlindMasterMainInput("New Hub Name", controller: _hubRenameController,),
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actions: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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children: [
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ElevatedButton(
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onPressed: () {
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Navigator.of(dialogContext).pop();
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},
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child: const Text(
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"Cancel",
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style: TextStyle(
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color: Colors.red
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),
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)
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),
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ElevatedButton(
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onPressed: () {
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updateHubName(_hubRenameController.text, widget.deviceId);
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Navigator.of(dialogContext).pop();
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},
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child: const Text("Confirm")
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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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Future updateHubName(String name, int id) async {
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try {
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if (name.isEmpty) throw Exception("New name cannot be empty!");
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final payload = {
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'deviceId': id,
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'newName': name,
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};
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final response = await securePost(payload, 'rename_device');
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if (response == null) throw Exception("Auth Error");
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if (response.statusCode != 204) {
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if (response.statusCode == 409) throw Exception("Choose a unique name!");
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throw Exception("Server Error");
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}
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getDeviceName();
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} catch (e) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
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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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deviceName,
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style: GoogleFonts.aBeeZee(),
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),
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backgroundColor: Theme.of(context).primaryColorLight,
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foregroundColor: Colors.white,
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),
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body: peripheralList ?? SizedBox(
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height: MediaQuery.of(context).size.height * 0.8,
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child: Center(
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child: CircularProgressIndicator(
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color: Theme.of(context).primaryColorLight,
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),
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)
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),
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floatingActionButton: Container(
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padding: EdgeInsets.all(25),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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FloatingActionButton(
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backgroundColor: Theme.of(context).primaryColorDark,
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foregroundColor: Theme.of(context).highlightColor,
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heroTag: "rename",
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onPressed: rename,
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tooltip: "Rename Hub",
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child: Icon(Icons.drive_file_rename_outline_sharp),
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),
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FloatingActionButton(
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backgroundColor: enabled
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? Theme.of(context).primaryColorDark
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: Theme.of(context).disabledColor,
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foregroundColor: Theme.of(context).highlightColor,
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heroTag: "add",
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onPressed: enabled ? addPeripheral : null,
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tooltip: "Add Peripheral",
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child: Icon(Icons.add),
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)
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],
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)
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),
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floatingActionButtonLocation: FloatingActionButtonLocation.centerFloat,
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);
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}
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}
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