This repository has been archived on 2024-10-29. You can view files and clone it, but cannot push or open issues or pull requests.
FunctionProject/api/assets/functions/main/convertCurrency.js

37 lines
1.8 KiB
JavaScript

const axios = require('axios');
const errorHandling = require('../../utils/errorHandling');
const { requiredFields } = require('../../config/errors');
const formatNumberResult = require('../secondary/formatNumberResult');
/* OUTPUTS */
module.exports = convertCurrencyOutput = ({ res, next }, argsObject) => {
let { number, baseCurrency, finalCurrency } = argsObject;
// S'il n'y a pas les champs obligatoire
if (!(number && baseCurrency && finalCurrency)) {
return errorHandling(next, requiredFields);
}
// Si ce n'est pas un nombre
number = parseFloat(number);
if (isNaN(number)) {
return errorHandling(next, { message: "Veuillez rentré un nombre valide.", statusCode: 400 });
}
axios.get(`https://api.exchangeratesapi.io/latest?base=${baseCurrency}`)
.then((response) => {
const rate = response.data.rates[finalCurrency];
if (!rate) {
return errorHandling(next, { message: "La devise n'existe pas.", statusCode: 404 });
}
const result = rate * number;
const dateObject = new Date(response.data.date);
const year = dateObject.getFullYear();
const day = ('0'+(dateObject.getDate())).slice(-2);
const month = ('0'+(dateObject.getMonth()+1)).slice(-2);
const date = `${day}/${month}/${year}`;
const resultHTML = `<p>${formatNumberResult(number)} ${response.data.base} = ${formatNumberResult(result).toFixed(2)} ${finalCurrency}</p><p>Dernier rafraîchissement du taux d'échange : ${data}</p>`;
return res.status(200).json({ date, result, resultHTML });
})
.catch(() => errorHandling(next, { message: "La devise n'existe pas.", statusCode: 404 }));
}