config/modules/home/services/quickshell/qml/Services/WeatherService.qml
2025-07-22 20:21:21 -04:00

269 lines
9.7 KiB
QML

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