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index.js
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index.js
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const userTab = document.querySelector("[data-userWeather]");
const searchTab = document.querySelector("[data-searchWeather]");
const userContainer = document.querySelector(".weather-container");
const grantAccessContainer = document.querySelector(".grant-location-container");
const searchForm = document.querySelector("[data-searchForm]");
const loadingScreen = document.querySelector(".loading-container");
const userInfoContainer = document.querySelector(".user-info-container");
// initially variables need
let oldTab = userTab;
const API_KEY = "be84b33cb55ae12eeadc0670513a0f4d";
oldTab.classList.add("current-tab");
getfromSessionStorage();
function switchTab(newTab){
// apiErrorContainer.classList.remove("current-tab");
if(newTab != oldTab){
oldTab.classList.remove("current-tab");
oldTab = newTab;
oldTab.classList.add("current-tab");
if(!searchForm.classList.contains("active")){
//kya search form vala container is invisible,if yes the make it visible
userInfoContainer.classList.remove("active");
grantAccessContainer.classList.remove("active");
searchForm.classList.add("active");
}else{
//main pahle search wale tab pr tha, ab your weather tab visible krna hai
searchForm.classList.remove("active");
userInfoContainer.classList.remove("active");
//ab main your weather tab me aagya hu, toh weather bhi display krna pdega, so let's check first
//for coordinates, if we haved saved then there
getfromSessionStorage();
}
}
}
userTab.addEventListener("click", () => {
// pass newTab tab as input parameter
switchTab(userTab);
});
searchTab.addEventListener("click", () => {
// pass newTab tab as input parameter
switchTab(searchTab);
});
//check if coordinates are already present in session storage
function getfromSessionStorage(){
const localCoordinates = sessionStorage.getItem("user-coordinates");
if(!localCoordinates){
//agar local coordinates nahi mile
grantAccessContainer.classList.add("active");
}
else{
const coordinates = JSON.parse(localCoordinates);
fetchUserWeatherInfo(coordinates);
}
}
async function fetchUserWeatherInfo(coordinates){
const {lat, lon} = coordinates;
//make grantcontainer invisible
grantAccessContainer.classList.remove("active");
//make loader visible
loadingScreen.classList.add("active");
//API Call
try{
const response = await fetch(
`https://api.openweathermap.org/data/2.5/weather?lat=${lat}&lon=${lon}&appid=${API_KEY}&units=metric`
);
const data = await response.json();
loadingScreen.classList.remove("active");
userInfoContainer.classList.add("active");
renderWeatherInfo(data);
}
catch(err){
loadingScreen.classList.remove("active");
notFound.classList.add('active');
}
}
function renderWeatherInfo(weatherInfo){
//firstly, we have to fetch the elements
const cityName = document.querySelector("[data-cityName]");
const countryIcon = document.querySelector("[data-countryIcon]");
const desc = document.querySelector("[data-weatherDesc]");
const weatherIcon = document.querySelector("[data-weatherIcon]");
const temp = document.querySelector("[data-temp]");
const windspeed = document.querySelector("[data-windspeed]");
const humidity = document.querySelector("[data-humidity]");
const cloudiness = document.querySelector("[data-cloudiness]");
//fetch values from weatherInfo object and put UI elements
cityName.innerText = weatherInfo?.name;
countryIcon.src = `https://flagcdn.com/144x108/${weatherInfo?.sys?.country.toLowerCase()}.png`;
desc.innerText = weatherInfo?.weather?.[0]?.description;
weatherIcon.src = `https://openweathermap.org/img/w/${weatherInfo?.weather?.[0]?.icon}.png`;
temp.innerText = `${weatherInfo?.main?.temp} °C`;
windspeed.innerText = `${weatherInfo?.wind?.speed} m/s`;
humidity.innerText = `${weatherInfo?.main?.humidity}%`;
cloudiness.innerText = `${weatherInfo?.clouds?.all}%`;
}
function getLocation(){
if(navigator.geolocation){
navigator.geolocation.getCurrentPosition(showPosition);
}else{
//Homework -> Shoe alert for no geolocation support avialaible
alert("Search City Name only");
}
}
function showPosition(position){
const userCoordinates = {
lat: position.coords.latitude,
lon: position.coords.longitude,
}
sessionStorage.setItem("user-coordinates",JSON.stringify(userCoordinates));
fetchUserWeatherInfo(userCoordinates);
}
const grantAccessButton = document.querySelector("[data-grantAccess]");
grantAccessButton.addEventListener("click", getLocation);
const searchInput = document.querySelector("[data-searchInput]");
searchForm.addEventListener("submit", (e) => {
e.preventDefault();
let cityName = searchInput.value;
if(cityName === "")
return;
else
fetchSearchWeatherInfo(cityName);
})
async function fetchSearchWeatherInfo(city){
loadingScreen.classList.add("active");
userInfoContainer.classList.remove("active");
grantAccessContainer.classList.remove("active");
try{
const response = await fetch(
`https://api.openweathermap.org/data/2.5/weather?q=${city}&appid=${API_KEY}&units=metric`
);
const data = await response.json();
loadingScreen.classList.remove("active");
userInfoContainer.classList.add("active");
renderWeatherInfo(data);
}
catch(err){
//homework
}
}