gistfile1.txt

const express = require('express');
const https = require('https');
const ejs = require('ejs');
const { resourceLimits } = require('worker_threads');
const port = 3000;

const days = [];
const dayTemps = [];
let city;
let forecastOption;
let currentTemp;
let longitude;
let latitude;

const app = express();

app.set('view engine', 'ejs');
app.use(express.static(__dirname + '/public'));
app.use(express.urlencoded({extended: true}));
app.use(express.json());

app.get('/', (req, res) => {
    res.sendFile(__dirname + '/index.html');
});

app.get('/forecast', (req, res) => {
    console.log(city);
    console.log(currentTemp);
    res.render('forecast.ejs', {city: city, currentTemp: currentTemp, days: days, dayTemps: dayTemps});
});

app.post('/', (req, res) => {
    city = req.body.cityName;
    const apiKey = 'e595dbde89bdb2a4713be967467df95a';
    const url = `https://api.openweathermap.org/data/2.5/weather?q=${city}&appid=${apiKey}`;

    let promise = new Promise((resolve, reject) => {
        const request = https.get(url, (response) => {
            response.on('data', (data) => {
                let weatherData = JSON.parse(data);
                currentTemp = weatherData.main.temp;
                longitude = weatherData.coord.lon;
                latitude = weatherData.coord.lat;
                resolve('success');
            });
        });
        request.end();
    });

    promise.then(
        (result) => {
            const part = 'hourly,current,minutely,alerts';
            const url2 = `https://api.openweathermap.org/data/2.5/onecall?lat=${latitude}&exclude=${part}&lon=${longitude}&appid=${apiKey}`;
            const request2 = https.get(url2, (response2) => {
                const chunks = [];
                response2.on('data', (data) => {
                    chunks.push(data);
                });

                response2.on('end', () => {
                    const someData = Buffer.concat(chunks);
                    let weatherData = JSON.parse(someData);
                    for(let index = 0; index < 7; index++)
                    {
                        let unixTimestamp = weatherData.daily[index].dt;
                        let milliseconds = unixTimestamp * 1000; 
                        let dateObject = new Date(milliseconds);
                        let options = {weekday: 'long'};
                        let currentDay = dateObject.toLocaleDateString('en-US', options);
                        days.push(currentDay);

                        let temp = weatherData.daily[index].temp.day;
                        dayTemps.push(temp);
                    }

                    res.redirect('/forecast');
                });
            });
            request2.end();
        },
        (error) => {
            console.log(error);
        }
    );
});

app.listen(port, (err) => {
    if(err) console.log(err);
    else console.log('listening on port ' + port);
})