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index.js
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index.js
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require('dotenv').config();
const axios = require('axios');
const notifier = require('node-notifier');
const Preferences = require("preferences");
const path = require('node:path');
const { Epoch } = require("@jmac18/epoch");
const args = require('minimist')(process.argv.slice(2));
const { snooze, requests, noSnooze } = args;
const startTime = Epoch().now;
const snoozeSplit = snooze?.split(":");
const snoozeD = snoozeSplit?.[0] || 1;
const snoozeH = snoozeSplit?.[1] || 0;
const snoozeM = snoozeSplit?.[2] || 0;
const getConversionRate = async ({ from, to }) => {
let response;
try {
response = await axios.get(`https://api.coingecko.com/api/v3/coins/${from.toLowerCase()}`);
} catch(ex) {
console.log(`1 ${from.padEnd(10)} = ${to.toUpperCase()}: error(${ex.message})`);
}
if (response) {
// success
const resNameTo = to.toUpperCase();
const resNameFrom = response.data.symbol.toUpperCase();
const resPrice = response.data.market_data.current_price[to.toLowerCase()];
const rate = resPrice;
return rate;
}
}
const loadPrefs = () => new Preferences('com.rami-majdoub.crypto-alert',{}, {
encrypt: false
});
const isSnoozed = (prefs) => Epoch().days(snoozeD).hours(snoozeH).minutes(snoozeM).ago < Epoch(prefs.last_check || 0).now;
const save = (prefs) => prefs.last_check = startTime || Epoch().now;
const showAlert= (request) => {
notifier.notify({
title: 'Crpto alert | Conversion rate satisfied',
message: request
});
}
const prefs = loadPrefs();
console.log(`date: ${Epoch().now}`);
if(!noSnooze){
const canrun = !isSnoozed(prefs);
if(!canrun) return;
}
const check = async (request) => {
const [from, operator, amount, to] = request.split(" ");
const rate = await getConversionRate({ from, to });
console.log({ request, rate });
if (
operator == ">" && rate > amount
|| operator == "<" && rate < amount
){
showAlert(request);
if(!noSnooze){
save(prefs);
}
}
}
(async () => {
requests.replaceAll(", ", ",").split(",").forEach(async request => await check(request))
})();