114 lines
3.3 KiB
JavaScript

/* global WeatherProvider, WeatherDay */
/* Magic Mirror
* Module: Weather
* Provider: Dark Sky
*
* By Nicholas Hubbard https://github.com/nhubbard
* MIT Licensed
*
* This class is a provider for Dark Sky.
*/
WeatherProvider.register("darksky", {
// Set the name of the provider.
// Not strictly required, but helps for debugging.
providerName: "Dark Sky",
units: {
imperial: 'us',
metric: 'si'
},
fetchCurrentWeather() {
this.fetchData(this.getUrl())
.then(data => {
if(!data || !data.currently || typeof data.currently.temperature === "undefined") {
// No usable data?
return;
}
const currentWeather = this.generateWeatherDayFromCurrentWeather(data);
this.setCurrentWeather(currentWeather);
}).catch(function(request) {
Log.error("Could not load data ... ", request);
});
},
fetchWeatherForecast() {
this.fetchData(this.getUrl())
.then(data => {
if(!data || !data.daily || !data.daily.data.length) {
// No usable data?
return;
}
const forecast = this.generateWeatherObjectsFromForecast(data.daily.data);
this.setWeatherForecast(forecast);
}).catch(function(request) {
Log.error("Could not load data ... ", request);
});
},
// Create a URL from the config and base URL.
getUrl() {
const units = this.units[this.config.units] || "auto";
return `${this.config.apiBase}${this.config.weatherEndpoint}/${this.config.apiKey}/${this.config.lat},${this.config.lon}?units=${units}&lang=${this.config.lang}`;
},
// Implement WeatherDay generator.
generateWeatherDayFromCurrentWeather(currentWeatherData) {
const currentWeather = new WeatherObject(this.config.units);
currentWeather.date = moment();
currentWeather.humidity = parseFloat(currentWeatherData.currently.humidity);
currentWeather.temperature = parseFloat(currentWeatherData.currently.temperature);
currentWeather.windSpeed = parseFloat(currentWeatherData.currently.windSpeed);
currentWeather.windDirection = currentWeatherData.currently.windBearing;
currentWeather.weatherType = this.convertWeatherType(currentWeatherData.currently.icon);
currentWeather.sunrise = moment(currentWeatherData.daily.data[0].sunriseTime, "X");
currentWeather.sunset = moment(currentWeatherData.daily.data[0].sunsetTime, "X");
return currentWeather;
},
generateWeatherObjectsFromForecast(forecasts) {
const days = [];
for (const forecast of forecasts) {
const weather = new WeatherObject(this.config.units);
weather.date = moment(forecast.time, "X");
weather.minTemperature = forecast.temperatureMin;
weather.maxTemperature = forecast.temperatureMax;
weather.weatherType = this.convertWeatherType(forecast.icon);
if (this.config.units === "metric" && !isNaN(forecast.precipAccumulation)) {
weather.rain = forecast.precipAccumulation * 10;
} else {
weather.rain = forecast.precipAccumulation;
}
days.push(weather);
}
return days;
},
// Map icons from Dark Sky to our icons.
convertWeatherType(weatherType) {
const weatherTypes = {
"clear-day": "day-sunny",
"clear-night": "night-clear",
"rain": "rain",
"snow": "snow",
"sleet": "snow",
"wind": "wind",
"fog": "fog",
"cloudy": "cloudy",
"partly-cloudy-day": "day-cloudy",
"partly-cloudy-night": "night-cloudy"
};
return weatherTypes.hasOwnProperty(weatherType) ? weatherTypes[weatherType] : null;
}
});