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em-weather.js
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let API_KEY = null
let API_ID_MUNICIPIO = null;
let API_URL = "";
let dayNumber = 0;
const daysOfWeek = ["Dom", "Lun", "Mar", "Mié", "Jue", "Vie", "Sáb"];
const today = new Date().getDay();
const nextDays = [today, (today + 1) % 7, (today + 2) % 7];
const nextThreeDaysAbbreviated = nextDays.map((dayIndex) => daysOfWeek[dayIndex]);
const token = getQueryParamValue(window.location.search, 'token');
const municipioId = getQueryParamValue(window.location.search, 'municipioId');
if (token && municipioId) {
API_KEY = token;
API_ID_MUNICIPIO = municipioId;
getWeatherForecast();
} else {
console.log('The token or municipioId variable not found in the url query params.');
}
function getQueryParamValue(url, param) {
const queryString = url.split('?')[1];
if (!queryString) {
return null;
}
const pairs = queryString.split('&');
for (let i = 0; i < pairs.length; i++) {
const [key, value] = pairs[i].split('=');
if (decodeURIComponent(key) === param) {
return decodeURIComponent(value || '');
}
}
return null;
}
function getFirstPartOfCityName(fullCityName) {
const cityNameSplitted = fullCityName.split('/');
return cityNameSplitted.length > 1 ? cityNameSplitted[0] : fullCityName;
}
function getFirstElementNotEmptyOfPrediction(skyStatus) {
const firstElement = skyStatus.find((element) => element.value !== "");
return firstElement || "";
}
function getWeatherCurrentConditions(){
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function() {
if (xhr.readyState === XMLHttpRequest.DONE) {
if (xhr.status === 200) {
var data = JSON.parse(xhr.responseText);
if (data.estado === 200) {
var API_URL = data.datos;
var xhr2 = new XMLHttpRequest();
xhr2.onreadystatechange = function() {
if (xhr2.readyState === XMLHttpRequest.DONE) {
if (xhr2.status === 200) {
var data = JSON.parse(xhr2.responseText);
var hour = new Date().getHours();
var temp = 0;
data[0].prediccion.dia[0].temperatura.every(function(entry) {
if (hour <= parseInt(entry.periodo)) {
temp = entry.value;
return false;
}
return true;
});
var cityNameElement = document.getElementById("cityName");
cityNameElement.textContent = temp + "º";
} else {
console.log("Error al realizar la segunda solicitud:", xhr2.statusText);
var cityNameElement = document.getElementById("cityName");
cityNameElement.textContent = "N/A";
}
}
};
xhr2.open("GET", API_URL, true);
xhr2.send();
} else {
console.log("Estado de la primera solicitud no válido:", data.estado);
}
} else {
console.log("Error al realizar la primera solicitud:", xhr.statusText);
}
}
};
xhr.open("GET", "https://opendata.aemet.es/opendata/api/prediccion/especifica/municipio/horaria/" + API_ID_MUNICIPIO + "/?api_key=" + API_KEY, true);
xhr.send();
}
function getWeatherForecast(){
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function() {
if (xhr.readyState === XMLHttpRequest.DONE) {
if (xhr.status === 200) {
var data = JSON.parse(xhr.responseText);
if (data.estado === 200) {
var API_URL = data.datos;
var xhr2 = new XMLHttpRequest();
xhr2.onreadystatechange = function() {
if (xhr2.readyState === XMLHttpRequest.DONE) {
if (xhr2.status === 200) {
var jsonData = JSON.parse(xhr2.responseText);
var weatherContainer = document.getElementById("weatherContainer");
if (jsonData[0].nombre) {
var cityElement = document.createElement("div");
cityElement.id = "cityId";
cityElement.className = "city";
cityElement.innerHTML = getFirstPartOfCityName(jsonData[0].nombre);
var cityNameElement = document.createElement("span");
cityNameElement.id = "cityName";
cityNameElement.textContent = "...";
cityElement.appendChild(cityNameElement);
weatherContainer.appendChild(cityElement);
}
var dataSliced = jsonData[0].prediccion.dia.slice(0, 3);
dataSliced.forEach(function(entry) {
var weatherCard = document.createElement("div");
weatherCard.className = "weather-card";
var dayElement = document.createElement("div");
dayElement.className = "day";
dayElement.textContent = dayNumber === 0 ? "Hoy" : nextThreeDaysAbbreviated[dayNumber];
weatherCard.appendChild(dayElement);
var conditionIcon = document.createElement("img");
conditionIcon.className = "condition-icon";
conditionIcon.src = "https://www.aemet.es/imagenes/png/estado_cielo/" + getFirstElementNotEmptyOfPrediction(entry.estadoCielo).value + ".png";
weatherCard.appendChild(conditionIcon);
var temperatureContainer = document.createElement("div");
temperatureContainer.className = "temperature";
var temperatureElement = document.createElement("div");
temperatureElement.className = "temp-max";
temperatureElement.textContent = entry.temperatura.maxima + "º";
temperatureContainer.appendChild(temperatureElement);
var temperatureSecondaryElement = document.createElement("div");
temperatureSecondaryElement.className = "temp-min";
temperatureSecondaryElement.textContent = entry.temperatura.minima + "º";
temperatureContainer.appendChild(temperatureSecondaryElement);
weatherCard.appendChild(temperatureContainer);
weatherContainer.appendChild(weatherCard);
dayNumber++;
});
getWeatherCurrentConditions();
} else {
console.log("Error al realizar la segunda solicitud:", xhr2.statusText);
var weatherContainer = document.getElementById("weatherContainer");
var cityElement = document.createElement("div");
cityElement.id = "cityId";
cityElement.className = "city";
cityElement.textContent = "Tiempo no disponible.";
weatherContainer.appendChild(cityElement);
}
}
};
xhr2.open("GET", API_URL, true);
xhr2.send();
} else {
console.log("Estado de la primera solicitud no válido:", data.estado);
}
} else {
console.log("Error al realizar la primera solicitud:", xhr.statusText);
}
}
};
xhr.open("GET", "https://opendata.aemet.es/opendata/api/prediccion/especifica/municipio/diaria/" + API_ID_MUNICIPIO + "/?api_key=" + API_KEY, true);
xhr.send();
}