270 lines
9.7 KiB
QML
270 lines
9.7 KiB
QML
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import QtQuick
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import "root:/Data" as Data
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// Weather service using Open-Meteo API
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Item {
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id: service
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property var shell
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property string city: Data.Settings.weatherLocation
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property bool isAmerican: Data.Settings.useFahrenheit
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property int updateInterval: 3600 // 1 hour to reduce API calls
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property string weatherDescription: ""
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property var weather: null
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property Timer retryTimer: Timer {
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interval: 30000
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repeat: false
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running: false
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onTriggered: getGeocoding()
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}
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Timer {
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interval: service.updateInterval * 1000
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running: true
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repeat: true
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triggeredOnStart: true
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onTriggered: getGeocoding()
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}
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// Watch for settings changes and refresh weather data
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Connections {
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target: Data.Settings
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function onWeatherLocationChanged() {
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console.log("Weather location changed to:", Data.Settings.weatherLocation)
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retryTimer.stop()
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getGeocoding()
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}
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function onUseFahrenheitChanged() {
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console.log("Temperature unit changed to:", Data.Settings.useFahrenheit ? "Fahrenheit" : "Celsius")
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retryTimer.stop()
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getGeocoding()
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}
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}
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// WMO weather code descriptions (Open-Meteo standard)
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property var weatherConsts: {
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"omapiCodeDesc": {
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0: "Clear sky",
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1: "Mainly clear",
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2: "Partly cloudy",
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3: "Overcast",
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45: "Fog",
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48: "Depositing rime fog",
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51: "Light drizzle",
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53: "Moderate drizzle",
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55: "Dense drizzle",
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56: "Light freezing drizzle",
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57: "Dense freezing drizzle",
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61: "Slight rain",
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63: "Moderate rain",
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65: "Heavy rain",
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66: "Light freezing rain",
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67: "Heavy freezing rain",
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71: "Slight snow fall",
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73: "Moderate snow fall",
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75: "Heavy snow fall",
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77: "Snow grains",
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80: "Slight rain showers",
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81: "Moderate rain showers",
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82: "Violent rain showers",
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85: "Slight snow showers",
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86: "Heavy snow showers",
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95: "Thunderstorm",
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96: "Thunderstorm with slight hail",
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99: "Thunderstorm with heavy hail"
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}
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}
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function getTemp(temp, tempUnit) {
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return temp + tempUnit;
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}
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function updateWeather() {
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if (!weather || !weather.current || !weather.current_units) {
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console.warn("Weather data incomplete, skipping update");
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return;
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}
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const weatherCode = weather.current.weather_code;
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const temp = getTemp(Math.round(weather.current.temperature_2m || 0), weather.current_units.temperature_2m || "°C");
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// Build 3-day forecast
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const forecast = [];
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const today = new Date();
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if (weather.daily && weather.daily.time && weather.daily.weather_code && weather.daily.temperature_2m_min && weather.daily.temperature_2m_max) {
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for (let i = 0; i < Math.min(3, weather.daily.time.length); i++) {
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let dayName;
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if (i === 0) {
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dayName = "Today";
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} else if (i === 1) {
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dayName = "Tomorrow";
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} else {
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const futureDate = new Date(today);
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futureDate.setDate(today.getDate() + i);
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dayName = Qt.formatDate(futureDate, "ddd MMM d");
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}
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const dailyWeatherCode = weather.daily.weather_code[i];
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const condition = weatherConsts.omapiCodeDesc[dailyWeatherCode] || "Unknown";
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forecast.push({
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dayName: dayName,
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condition: condition,
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minTemp: Math.round(weather.daily.temperature_2m_min[i]),
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maxTemp: Math.round(weather.daily.temperature_2m_max[i])
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});
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}
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}
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// Update shell weather data in expected format
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shell.weatherData = {
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location: city,
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currentTemp: temp,
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currentCondition: weatherConsts.omapiCodeDesc[weatherCode] || "Unknown",
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details: [
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"Wind: " + Math.round(weather.current.wind_speed_10m || 0) + " km/h"
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],
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forecast: forecast
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}
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weatherDescription = weatherConsts.omapiCodeDesc[weatherCode] || "Unknown";
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shell.weatherLoading = false;
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}
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// XHR pool to prevent memory leaks
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property var activeXHRs: []
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function cleanupXHR(xhr) {
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if (xhr) {
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xhr.abort();
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xhr.onreadystatechange = null;
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xhr.onerror = null;
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const index = activeXHRs.indexOf(xhr);
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if (index > -1) {
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activeXHRs.splice(index, 1);
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}
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}
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}
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function getGeocoding() {
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if (!city || city.trim() === "") {
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console.warn("Weather location is empty, skipping weather request");
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shell.weatherLoading = false;
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return;
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}
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shell.weatherLoading = true;
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const xhr = new XMLHttpRequest();
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activeXHRs.push(xhr);
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xhr.open("GET", `https://geocoding-api.open-meteo.com/v1/search?name=${city}&count=1&language=en&format=json`);
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xhr.onreadystatechange = function () {
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if (xhr.readyState === XMLHttpRequest.DONE) {
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if (xhr.status === 200) {
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try {
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const geocoding = JSON.parse(xhr.responseText);
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if (geocoding.results && geocoding.results.length > 0) {
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const lat = geocoding.results[0].latitude;
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const lng = geocoding.results[0].longitude;
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getWeather(lat, lng);
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} else {
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console.warn("No geocoding results found for location:", city);
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retryTimer.running = true;
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shell.weatherLoading = false;
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}
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} catch (e) {
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console.error("Failed to parse geocoding response:", e);
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retryTimer.running = true;
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shell.weatherLoading = false;
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}
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} else if (xhr.status === 0) {
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// Silent handling of network issues
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if (!retryTimer.running) {
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console.warn("Weather service: Network unavailable, will retry automatically");
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}
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retryTimer.running = true;
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shell.weatherLoading = false;
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} else {
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console.error("Geocoding request failed with status:", xhr.status);
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retryTimer.running = true;
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shell.weatherLoading = false;
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}
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cleanupXHR(xhr);
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}
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};
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xhr.onerror = function () {
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console.error("Geocoding request failed with network error");
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retryTimer.running = true;
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shell.weatherLoading = false;
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cleanupXHR(xhr);
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};
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xhr.send();
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}
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function getWeather(lat, lng) {
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const xhr = new XMLHttpRequest();
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activeXHRs.push(xhr);
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xhr.open("GET", `https://api.open-meteo.com/v1/forecast?latitude=${lat}&longitude=${lng}¤t=temperature_2m,is_day,weather_code,wind_speed_10m&daily=temperature_2m_max,temperature_2m_min,weather_code&forecast_days=3&temperature_unit=` + (isAmerican ? "fahrenheit" : "celsius"));
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xhr.onreadystatechange = function () {
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if (xhr.readyState === XMLHttpRequest.DONE) {
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if (xhr.status === 200) {
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try {
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weather = JSON.parse(xhr.responseText);
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updateWeather();
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} catch (e) {
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console.error("Failed to parse weather response:", e);
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retryTimer.running = true;
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shell.weatherLoading = false;
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}
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} else if (xhr.status === 0) {
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// Silent handling of network issues
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if (!retryTimer.running) {
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console.warn("Weather service: Network unavailable for weather data");
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}
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retryTimer.running = true;
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shell.weatherLoading = false;
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} else {
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console.error("Weather request failed with status:", xhr.status);
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retryTimer.running = true;
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shell.weatherLoading = false;
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}
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cleanupXHR(xhr);
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}
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};
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xhr.onerror = function () {
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console.error("Weather request failed with network error");
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retryTimer.running = true;
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shell.weatherLoading = false;
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cleanupXHR(xhr);
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};
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xhr.send();
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}
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function loadWeather() {
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getGeocoding();
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}
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Component.onCompleted: getGeocoding()
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Component.onDestruction: {
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// Cleanup all active XHR requests
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for (let i = 0; i < activeXHRs.length; i++) {
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if (activeXHRs[i]) {
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activeXHRs[i].abort();
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activeXHRs[i].onreadystatechange = null;
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activeXHRs[i].onerror = null;
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}
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}
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activeXHRs = [];
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weather = null;
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shell.weatherData = null;
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weatherDescription = "";
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}
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}
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