FunctionProject/api/assets/functions/main/weatherRequest.js
2020-08-03 12:04:07 +02:00

47 lines
2.0 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 = ({ 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')
}