weather-app

app.js

const forecast = require('./utils/forecast')
const geocode = require('./utils/geocode')
const address = process.argv[2]

if (!address){
    console.log("Please provide a valid address")
} else{

    console.log(geocode(address,(error,{Latitude,Longitude,Location}) => {
    
        
        if ( error ) {
            console.log('error',error)
         }  else{
            console.log("Location : " + Location)
            }
    

        forecast(Latitude,Longitude,(error,forecastData) => {
            if (error){
                console.log('error',error)
            }else{
            console.log(forecastData)
        }
    })
    
    }))
    
}

forecast.js

const request = require('request');

const forecast = (Latitude,Longitude,callback) => {

    const url="https://api.darksky.net/forecast/d30fc4010a9e70fcb9462595ada4233c/"+encodeURIComponent(Latitude)+","+encodeURIComponent(Longitude)+"?units=si"

    request({url,json : true},(error,{body}) => {

        if (error){
            callback('Unable to reach weather service!', undefined)
        }else if (body.code ===400){
            callback("Unable to find location.Please try again",undefined)
        } else{  
        callback(undefined,"Summary for today : " + body.currently.summary + ". The current temperature is " + body.currently.temperature 
              
        )
        }
})



}


module.exports = forecast

geocode.js

const request = require('request');

const geocode = (address,callback) => {

    const url="https://api.mapbox.com/geocoding/v5/mapbox.places/"+encodeURIComponent(address)+".json?access_token=pk.eyJ1IjoiYW51YmhhdmdpcmRoYXIiLCJhIjoiY2p6eWllZzdpMTE3NTNkcGtiN294ZnVtaSJ9.lTeS2jOgAql7IRUeb3X_oA"

    request({url,json : true},(error,{body}) => {

        if (error) {
            callback ('Unable to reach weather service!', undefined)
        }else if (body.features.length ===0){
            callback("Unable to find location.Please try again",undefined)
        } else{
                
        callback(undefined,{
            Latitude :  body.features[0].center[1],
            Longitude : body.features[0].center[0], 
            Location :  body.features[0].place_name      
        })
        }
})
// Needs a return statement here, otherwise prints "undefined"
}

    
module.exports = geocode