Voting results

gistfile1.txt

const fetch = require('node-fetch')

const calc = (pv, pvSR, column, total) => {
    const Romania = pv ? pv.map(p => p[column]).reduce((a,b)=>a+b, 0) : 0;
    const Diaspora = pvSR ? pvSR.map(p => p[column]).reduce((a,b)=>a+b, 0) : 0;
    
    return {
        Romania: total ? percent(Romania, total.Romania) : Romania,
        Diaspora: total ? percent(Diaspora, total.Diaspora) : Diaspora,
        Total: total ? percent(Romania + Diaspora, total.Total) : Romania + Diaspora
    }
}

const calcPrez = (prez, prezSR) => {
    const Romania = prez.map(p => p.LT).filter(Boolean).reduce((a,b)=>a+b, 0);
    const Diaspora = prezSR.map(p => p.LT).filter(Boolean).reduce((a,b)=>a+b, 0);
    return {
        Romania,
        Diaspora,
        Total: Romania + Diaspora
    }
}

const percent = (n, t) => {
    return `${('00' + (n/t * 100).toFixed(2)).slice(-5)}% (${n})`
}

const result = (pv, pvSR, prez, prezSR, columns, totalColumn) => {
    let total = calc(pv, pvSR, totalColumn);
    let totalPrez = calcPrez(prez, prezSR);

    const results = {};
    for(let column of columns) {
        const r = calc(pv, pvSR, column.column, total);
        results[column.name] = r;
    }

    return {
        Voturi: {
            'Voturi': totalPrez,
            'Voturi numarate': calc(pv, pvSR, totalColumn, totalPrez),
        },
        Rezultate: results
    }
}

const update = (async () => {
    let data = await fetch(`https://prezenta.bec.ro/prezidentiale10112019/data/pv/json//pv_AB.json?_=${Date.now()}`).then(res => res.json()); 
    let dataSR = await fetch(`https://prezenta.bec.ro/prezidentiale10112019/data/pv/json//pv_SR.json?_=${Date.now()}`).then(res => res.json());
    let dataPrezSR = await fetch(`https://prezenta.bec.ro/prezidentiale10112019/data/presence/json/presence_SR_now.json?_=${Date.now()}`).then(res => res.json()); 

    let pv = data.pvs.partial.table.PRSD;
    let pvSR = dataSR.pvs.partial.table.PRSD;
    let prez = [
        {LT: 8683688}
    ];
    let prezSR = dataPrezSR.precinct;
    
    const r = result(pv, pvSR, prez, prezSR, [
        {name: 'Iohannis', column: 'g1'},
        {name: 'Paleologu', column: 'g2'},
        {name: 'Barna', column: 'g3'},
        {name: 'Hunor', column: 'g4'},
        {name: 'Dancila', column: 'g5'},
        {name: 'Deaconu', column: 'g10'},
        {name: 'Cumpanasu', column: 'g14'},
    ], 'c');

    let candidates = [];
    for(let c of Object.keys(r.Rezultate)) {
        candidates.push([c, r.Rezultate[c]]);
    }
    let orderedCandidates = {}
    candidates.sort((a,b) => a[1].Total < b[1].Total).map(c => orderedCandidates[c[0]] = c[1]);
    console.table({
        ...r.Voturi,
        "": {},
        ...orderedCandidates
    });
    
});

update();