48 lines
1.8 KiB
JavaScript
48 lines
1.8 KiB
JavaScript
const axios = require('axios');
|
|
const config = require('../utils/load_config.js')();
|
|
const { truncate_number } = require('../utils/truncate_number.js');
|
|
|
|
module.exports = {
|
|
info: {
|
|
name: 'DuckDuckGo',
|
|
},
|
|
parseCurrencies: async () => {
|
|
const promises = config['currency']['fiat'].map(fromCurrency => {
|
|
return config['currency']['fiat'].map(convCurrency => {
|
|
if (fromCurrency === convCurrency) return Promise.resolve(null);
|
|
|
|
const serviceName = module.exports.info.name;
|
|
|
|
return axios.get(
|
|
`${config['currency']['services']['duckduckgo']['base_url']}${fromCurrency}/${convCurrency}`,
|
|
)
|
|
.then((res) => {
|
|
const regExp = new RegExp('\\(\\s*(.*)\\s*\\);$', 'mg');
|
|
const data = JSON.parse(
|
|
Array.from(res.data.matchAll(regExp))[0][1],
|
|
);
|
|
const truncatedPriceStr = truncate_number(data['to'][0]['mid'], 3);
|
|
const rate = parseFloat(truncatedPriceStr);
|
|
|
|
console.log(`Data fetched from ${serviceName}: ${fromCurrency} -> ${convCurrency}, Rate: ${rate}`);
|
|
|
|
return {
|
|
from_currency: fromCurrency,
|
|
conv_currency: convCurrency,
|
|
rate: rate,
|
|
date: new Date(data['timestamp']).toISOString().substring(0, 10),
|
|
};
|
|
})
|
|
.catch((err) => {
|
|
console.error(err);
|
|
return null;
|
|
});
|
|
});
|
|
});
|
|
|
|
const flattenedPromises = promises.flat();
|
|
const results = await Promise.all(flattenedPromises);
|
|
|
|
return results.filter(result => result !== null);
|
|
}
|
|
};
|