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tuiche/lib/controller/weather/weather_controller.dart

365 lines
12 KiB
Dart

import 'dart:async';
import 'package:EasyDartModule/EasyDartModule.dart';
import 'package:ef/ef.dart';
import 'package:geocoding/geocoding.dart';
import 'package:geolocator/geolocator.dart';
import 'package:json_annotation/json_annotation.dart';
import 'package:vbvs_app/common/util/CommonVariables.dart';
import 'package:vbvs_app/controller/setting/language/language_controller.dart';
import 'package:weather/weather.dart';
part 'weather_controller.g.dart';
@JsonSerializable()
class WeatherModel {
double? longitude; // 经度
double? latitude; // 纬度
String? weather_info = ''; // 天气
int? current_temperature; // 温度
int? min_temperature; // 最低温度
int? max_temperature; // 最高温度
String? wind_direction; // 风向
int? wind_speed; // 风速等级
String? cityName; // 城市名
String? weatherIcon; // 天气图标
String? weatherIconurl; // 天气图标url
WeatherModel();
static WeatherModel fromJson(Map<String, dynamic> json) =>
_$WeatherModelFromJson(json);
Map<String, dynamic> toJson() => _$WeatherModelToJson(this);
}
class WeatherModelController extends GetControllerEx<WeatherModel> {
LanguageController languageController = Get.find();
WeatherModelController() {
attr = GetModel(WeatherModel()).obs;
weatherFactory = WeatherFactory(CommonVariables.weather_apiKey,
language: Language.CHINESE_SIMPLIFIED);
}
Timer? _weatherTimer;
Timer? _locationTimer;
late WeatherFactory weatherFactory;
@override
Future<void> onInit() async {
super.onInit();
try {
await _getCurrentLocation();
_weatherTimer = Timer.periodic(Duration(seconds: 5), (timer) {
_getCurrentWeather(); // 每 5 秒更新一次天气
});
_locationTimer = Timer.periodic(Duration(minutes: 10), (timer) {
_getCurrentLocation(); // 每 10 分钟更新一次位置
});
} catch (e) {
ef.log("[天气和定位请求失败]");
}
}
@override
void onClose() {
_weatherTimer?.cancel(); // 取消天气更新定时器
_locationTimer?.cancel(); // 取消位置更新定时器
super.onClose();
}
// 获取当前位置并存储到 model
Future<void> _getCurrentLocation() async {
try {
Position position = await determinePosition();
if (position == null) {
throw Exception("获取位置失败");
}
String? language = "zh_CN";
if (languageController.selectLanguage != null) {
language = languageController.selectLanguage.value!.language_code;
}
List<Placemark> placemarks = [];
// placemarks = await placemarkFromCoordinates(position.latitude, position.longitude,
// localeIdentifier: language);
placemarks = await placemarkFromCoordinates(
position.latitude,
position.longitude,
);
if (placemarks.isNotEmpty) {
model.cityName = placemarks[0].locality ?? "未知数据".tr;
model.latitude = position.latitude;
model.longitude = position.longitude;
}
// 调用获取天气方法
_getCurrentWeather();
} catch (e) {
print(e);
EasyDartModule.logger.error("获取位置失败: $e");
}
}
// 获取当前位置
Future<Position> determinePosition() async {
bool serviceEnabled;
LocationPermission permission;
serviceEnabled = await Geolocator.isLocationServiceEnabled();
if (!serviceEnabled) {
return Future.error('位置服务未启用');
}
permission = await Geolocator.checkPermission();
if (permission == LocationPermission.denied) {
permission = await Geolocator.requestPermission();
if (permission == LocationPermission.denied) {
return Future.error('位置权限被拒绝');
}
}
if (permission == LocationPermission.deniedForever) {
return Future.error('位置权限被永久拒绝');
}
return await Geolocator.getCurrentPosition(
locationSettings: const LocationSettings(
accuracy: LocationAccuracy.low, // 使用高精度定位,但不依赖 Google Play
distanceFilter: 1000, // 设置最小距离过滤
timeLimit: Duration(seconds: 10), // 设置获取位置的最大等待时间
),
);
}
// 获取天气信息
Future<void> _getCurrentWeather() async {
if (model.latitude == null || model.longitude == null) {
EasyDartModule.logger.error("获取天气失败:位置数据获取失败");
return; // 如果位置数据没有获取到,则不更新天气
}
String? language = "zh_CN";
if (languageController.selectLanguage != null) {
language = languageController.selectLanguage.value!.language_code;
}
List<Placemark> placemarks = [];
// placemarks = await placemarkFromCoordinates(model.latitude!, model.longitude!,
// localeIdentifier: language);
if (placemarks.isNotEmpty) {
model.cityName = placemarks[0].locality ?? "未知数据".tr;
}
try {
weatherFactory.language = Language.CHINESE_SIMPLIFIED;
String? language = "zh_CN";
if (languageController.selectLanguage != null) {
language = languageController.selectLanguage.value!.language_code;
}
if (language == "zh_CN") {
weatherFactory.language = Language.CHINESE_SIMPLIFIED;
} else {
weatherFactory.language = Language.ENGLISH;
}
Weather weather = await weatherFactory.currentWeatherByLocation(
model.latitude!, model.longitude!);
model.weather_info = weather.weatherDescription;
model.min_temperature = weather.tempMin?.celsius?.toInt();
model.max_temperature = weather.tempMax?.celsius?.toInt();
model.current_temperature = weather.temperature?.celsius?.toInt();
model.wind_speed = weather.windSpeed?.toInt();
model.weatherIcon = weather.weatherIcon;
if (model.weatherIcon != null) {
model.weatherIconurl =
"https://openweathermap.org/img/w/${model.weatherIcon}.png";
}
updateAll(); // 更新 UI
} catch (e) {
EasyDartModule.logger.error("获取天气失败: $e");
print('获取天气失败: $e');
}
}
// 获取 5 天天气预报
Future<List<Weather>> getWeatherForecast(
double latitude, double longitude) async {
try {
return await weatherFactory.fiveDayForecastByLocation(
latitude, longitude);
} catch (e) {
print('获取天气预报失败: $e');
rethrow;
}
}
}
// import 'dart:async';
// import 'package:EasyDartModule/EasyDartModule.dart';
// import 'package:ef/ef.dart';
// import 'package:amap_flutter_location/amap_flutter_location.dart'; // 导入 amap_flutter_location 插件
// import 'package:geocoding/geocoding.dart';
// import 'package:json_annotation/json_annotation.dart';
// import 'package:vbvs_app/common/util/CommonVariables.dart';
// import 'package:vbvs_app/controller/setting/language/language_controller.dart';
// import 'package:weather/weather.dart';
// part 'weather_controller.g.dart';
// @JsonSerializable()
// class WeatherModel {
// double? longitude; // 经度
// double? latitude; // 纬度
// String? weather_info = ''; // 天气
// int? current_temperature; // 温度
// int? min_temperature; // 最低温度
// int? max_temperature; // 最高温度
// String? wind_direction; // 风向
// int? wind_speed; // 风速等级
// String? cityName; // 城市名
// String? weatherIcon; // 天气图标
// String? weatherIconurl; // 天气图标url
// WeatherModel();
// static WeatherModel fromJson(Map<String, dynamic> json) =>
// _$WeatherModelFromJson(json);
// Map<String, dynamic> toJson() => _$WeatherModelToJson(this);
// }
// class WeatherModelController extends GetControllerEx<WeatherModel> {
// LanguageController languageController = Get.find();
// WeatherModelController() {
// attr = GetModel(WeatherModel()).obs;
// weatherFactory = WeatherFactory(CommonVariables.weather_apiKey,
// language: Language.CHINESE_SIMPLIFIED);
// }
// Timer? _weatherTimer;
// Timer? _locationTimer;
// late WeatherFactory weatherFactory;
// late AMapFlutterLocation location; // 声明 AMapFlutterLocation 实例
// @override
// Future<void> onInit() async {
// super.onInit();
// location = AMapFlutterLocation(); // 初始化 AMapFlutterLocation
// try {
// await _getCurrentLocation();
// _weatherTimer = Timer.periodic(Duration(seconds: 5), (timer) {
// _getCurrentWeather(); // 每 5 秒更新一次天气
// });
// _locationTimer = Timer.periodic(Duration(minutes: 10), (timer) {
// _getCurrentLocation(); // 每 10 分钟更新一次位置
// });
// } catch (e) {
// ef.log("[天气和定位请求失败]");
// }
// }
// @override
// void onClose() {
// _weatherTimer?.cancel(); // 取消天气更新定时器
// _locationTimer?.cancel(); // 取消位置更新定时器
// location.stopLocation(); // 停止高德定位
// super.onClose();
// }
// // 获取当前位置并存储到 model
// Future<void> _getCurrentLocation() async {
// try {
// // 开始定位
// location.startLocation();
// // 监听定位回调
// location.onLocationChanged().listen((Map<String, Object> result) {
// ///result即为定位结果
// ef.log("[位置]:${result}");
// });
// // location.onLocationChanged.listen((locationData) {
// // if (locationData.latitude != null && locationData.longitude != null) {
// // model.latitude = locationData.latitude;
// // model.longitude = locationData.longitude;
// // // 获取位置对应的城市名
// // _getCityName(locationData.latitude!, locationData.longitude!);
// // }
// // });
// } catch (e) {
// print(e);
// EasyDartModule.logger.error("获取位置失败: $e");
// }
// }
// // 获取城市名
// Future<void> _getCityName(double latitude, double longitude) async {
// try {
// List<Placemark> placemarks =
// await placemarkFromCoordinates(latitude, longitude);
// if (placemarks.isNotEmpty) {
// model.cityName = placemarks[0].locality ?? "未知数据".tr;
// }
// // 获取天气
// _getCurrentWeather();
// } catch (e) {
// print(e);
// EasyDartModule.logger.error("获取城市名失败: $e");
// }
// }
// // 获取天气信息
// Future<void> _getCurrentWeather() async {
// if (model.latitude == null || model.longitude == null) {
// EasyDartModule.logger.error("获取天气失败:位置数据获取失败");
// return; // 如果位置数据没有获取到,则不更新天气
// }
// try {
// weatherFactory.language = Language.CHINESE_SIMPLIFIED;
// Weather weather = await weatherFactory.currentWeatherByLocation(
// model.latitude!, model.longitude!);
// model.weather_info = weather.weatherDescription;
// model.min_temperature = weather.tempMin?.celsius?.toInt();
// model.max_temperature = weather.tempMax?.celsius?.toInt();
// model.current_temperature = weather.temperature?.celsius?.toInt();
// model.wind_speed = weather.windSpeed?.toInt();
// model.weatherIcon = weather.weatherIcon;
// if (model.weatherIcon != null) {
// model.weatherIconurl =
// "https://openweathermap.org/img/w/${model.weatherIcon}.png";
// }
// updateAll(); // 更新 UI
// } catch (e) {
// EasyDartModule.logger.error("获取天气失败: $e");
// print('获取天气失败: $e');
// }
// }
// // 获取 5 天天气预报
// Future<List<Weather>> getWeatherForecast(
// double latitude, double longitude) async {
// try {
// return await weatherFactory.fiveDayForecastByLocation(
// latitude, longitude);
// } catch (e) {
// print('获取天气预报失败: $e');
// rethrow;
// }
// }
// }