FunctionProject/api/assets/functions/main/weatherRequest.js

46 lines
2.2 KiB
JavaScript

const axios = require('axios');
const Queue = require('smart-request-balancer');
const errorHandling = require('../../utils/errorHandling');
const { requiredFields } = require('../../config/errors');
const { WEATHER_API_KEY } = require('../../config/config');
const dateTimeUTC = require('../secondary/dateTimeManagement');
const capitalize = require('../secondary/capitalize');
const queue = new Queue({
/*
rate: number of requests
per
limit: number of seconds
*/
rules: {
weatherRequest: {
rate: 50,
limit: 60,
priority: 1
},
}
});
/* OUTPUTS */
module.exports = weatherRequestOutput = ({ res, next }, argsObject) => {
let { cityName } = argsObject;
// S'il n'y a pas les champs obligatoire
if (!(cityName)) {
return errorHandling(next, requiredFields);
}
cityName = cityName.split(' ').join('+');
// Récupère les données météo grâce à l'API : openweathermap.org. (→ avec limite de 50 requêtes par minute)
queue.request(() => {
axios.get(`https://api.openweathermap.org/data/2.5/weather?q=${cityName}&lang=fr&units=metric&appid=${WEATHER_API_KEY}`)
.then((response) =>{
const json = response.data;
const showDateTimeValue = dateTimeUTC((json.timezone / 60 / 60).toString()).showDateTimeValue;
const resultHTML = `<p>🌎 Position : <a href="https://www.google.com/maps/search/?api=1&query=${json.coord.lat},${json.coord.lon}" rel="noopener noreferrer" target="_blank">${json.name}, ${json.sys.country}</a><br/>⏰ Date et heure : ${showDateTimeValue} <br/>☁️ Météo : ${capitalize(json.weather[0].description)}<br/>🌡️ Température : ${json.main.temp} °C<br/> 💧 Humidité : ${json.main.humidity}% <br/> <img src="https://openweathermap.org/img/wn/${json.weather[0].icon}@2x.png"/></p>`;
return res.status(200).json({ result: json, resultHTML });
})
.catch(() => errorHandling(next, { message: "La ville n'existe pas (dans l'API de openweathermap.org).", statusCode: 404 }));
}, 'everyone', 'weatherRequest');
}