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