diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/model/badge_motive_selection_factory.dart | 4 | ||||
| -rw-r--r-- | lib/model/motive_selection/flutter_blue_plus_motive_selection.dart | 135 |
2 files changed, 139 insertions, 0 deletions
diff --git a/lib/model/badge_motive_selection_factory.dart b/lib/model/badge_motive_selection_factory.dart index 32678a1..45851c2 100644 --- a/lib/model/badge_motive_selection_factory.dart +++ b/lib/model/badge_motive_selection_factory.dart @@ -14,8 +14,10 @@ // along with this program. If not, see <https://www.gnu.org/licenses/>. import 'package:uvok_epaper_badge/model/device/device.dart'; +import 'package:uvok_epaper_badge/model/device/flutter_blue_plus_device.dart'; import 'package:uvok_epaper_badge/model/device/universal_ble_device.dart'; import 'package:uvok_epaper_badge/model/motive_selection/badge_motive_selection.dart'; +import 'package:uvok_epaper_badge/model/motive_selection/flutter_blue_plus_motive_selection.dart'; import 'package:uvok_epaper_badge/model/motive_selection/mock_badge_motive_selection.dart'; import 'package:uvok_epaper_badge/model/motive_selection/universal_blue_motive_selection.dart'; @@ -23,6 +25,8 @@ class BadgeMotiveSelectionFactory { static BadgeMotiveSelection createBadgeMotiveSelection(Device device) { if (device is UniversalBleDevice) { return UniversalBlueMotiveSelection(device: device); + } else if (device is FlutterBluePlusDevice) { + return FlutterBluePlusMotiveSelection(device: device); } return MockBadgeMotiveSelection(); } diff --git a/lib/model/motive_selection/flutter_blue_plus_motive_selection.dart b/lib/model/motive_selection/flutter_blue_plus_motive_selection.dart new file mode 100644 index 0000000..1f86936 --- /dev/null +++ b/lib/model/motive_selection/flutter_blue_plus_motive_selection.dart @@ -0,0 +1,135 @@ +// Copyright (C) 2025, uvok cheetah +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <https://www.gnu.org/licenses/>. + +import 'dart:convert'; + +import 'package:flutter_blue_plus/flutter_blue_plus.dart'; +import 'package:uvok_epaper_badge/model/device/flutter_blue_plus_device.dart'; +import 'package:uvok_epaper_badge/string_ext.dart'; +import 'package:uvok_epaper_badge/badge_exception.dart'; +import 'package:uvok_epaper_badge/model/badge_motive.dart'; +import 'package:uvok_epaper_badge/model/motive_selection/badge_motive_selection.dart'; + +class FlutterBluePlusMotiveSelection implements BadgeMotiveSelection { + final FlutterBluePlusDevice _device; + final String _badgeService = "ca260000-b4bb-46b2-bd06-b7b7a61ea990"; + final String _currentMotiveCharacteristic = + "ca260001-b4bb-46b2-bd06-b7b7a61ea990"; + final String _availableMotivesCharacteristic = + "ca260002-b4bb-46b2-bd06-b7b7a61ea990"; + bool _loadedServices = false; + + List<BadgeMotive> _cachedMotives = []; + + late final BluetoothDevice _fbpDevice; + + FlutterBluePlusMotiveSelection({required FlutterBluePlusDevice device}) + : _device = device { + _fbpDevice = _device.scanResult.device; + } + + @override + Future<BadgeMotive> getCurrentMotive() async { + await _ensureConnected(); + + if (_cachedMotives.isEmpty) { + await getMotives(); + } + if (_cachedMotives.isEmpty) { + throw BadgeException( + "No motives available, so there's no current motive", + ); + } + + try { + var serv = _fbpDevice.servicesList.firstWhere( + (s) => s.uuid.str == _badgeService, + ); + var c = serv.characteristics.firstWhere( + (c) => c.characteristicUuid.str == _currentMotiveCharacteristic, + ); + + var val = await c.read(); + int? currentMotive = int.tryParse(ascii.decode(val)); + if (currentMotive == null) { + throw BadgeException("Error reading current motive."); + } + return _cachedMotives.singleWhere( + (bm) => bm.id == currentMotive, + orElse: () => throw BadgeException("Selected motive not in templates"), + ); + } on StateError { + throw BadgeException("Characeristic/Service not found."); + } + } + + @override + Future<List<BadgeMotive>> getMotives() async { + await _ensureConnected(); + + try { + var serv = _fbpDevice.servicesList.firstWhere( + (s) => s.uuid.str == _badgeService, + ); + var c = serv.characteristics.firstWhere( + (c) => c.characteristicUuid.str == _availableMotivesCharacteristic, + ); + var val = await c.read(); + var templates = ascii.decode(val); + _cachedMotives = templates + .split(";") + .where((s) => s.isNotEmpty) + .map((String s) { + List<String> parts = s.splitFirst("-"); + if (parts.length != 2) { + return BadgeMotive(-1, "Invalid value"); + } + return BadgeMotive(int.tryParse(parts[0]) ?? -1, parts[1]); + }) + .toList(growable: false); + } on StateError { + throw BadgeException("Characeristic/Service not found."); + } + + return _cachedMotives; + } + + Future<void> _ensureConnected() async { + if (_fbpDevice.isDisconnected) { + throw BadgeException("Not connected"); + } + if (!_loadedServices) { + await _fbpDevice.discoverServices(); + _loadedServices = true; + } + } + + @override + Future<void> setCurrentMotive(BadgeMotive motive) async { + await _ensureConnected(); + try { + var serv = _fbpDevice.servicesList.firstWhere( + (s) => s.uuid.str == _badgeService, + ); + var c = serv.characteristics.firstWhere( + (c) => c.characteristicUuid.str == _currentMotiveCharacteristic, + ); + + await c.write(ascii.encode(motive.id.toString())); + } on StateError { + throw BadgeException("Characeristic/Service not found."); + } + } +} |