121 lines
3.1 KiB
JavaScript
121 lines
3.1 KiB
JavaScript
import { writeFile } from "fs/promises";
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// derived from https://git.dervland.net/biglyderv/new-bigly-chat/src/branch/master/docs/stats.php
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function rankCalc(result, iterations = 10) {
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let matrixe = {}
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let fng = {};
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let fnc = {};
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let frs = {};
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let msum_old = 0;
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let pr = {};
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for (let unn in result) {
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matrixe[unn] = {};
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matrixe[unn][unn] = 1;
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frs[unn] = result[unn].followers;
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fng[unn] = result[unn].following;
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fnc[unn] = fng[unn].length;
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pr[unn] = 1;
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}
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for (let unn in result) {
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let fnu = frs[unn];
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for (let follow of fnu) {
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if (follow == unn) continue;
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let dst = fnc[fnu] || 0;
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matrixe[unn][follow] = 1 + 0.1 / (dst + 10);
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msum_old += matrixe[unn][follow];
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}
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for (let unn2 in result) {
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if (!matrixe[unn][unn2]) {
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matrixe[unn][unn2] = 0;
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}
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}
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}
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for (let i = 0; i < iterations; i++) {
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let prold = structuredClone(pr);
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let matrixf = structuredClone(matrixe);
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let msum = 1;
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for (let una in result) {
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pr[una] = 0;
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if (frs[una].length == 0) continue;
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for (let unb in result) {
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let prb = prold[unb];
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if (prb < 1 / 1e4 || Object.keys(fng[unb]).length == 0) {
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//msum += matrixe[una][unb];
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continue;
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}
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matrixe[una][unb] = 0.03;
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for (let unc in result) {
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matrixe[una][unb] += matrixf[una][unc] * matrixf[unc][unb];
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}
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msum += matrixe[una][unb];
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pr[una] += prb * matrixe[una][unb];
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}
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}
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for (let una in result) {
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if ((frs[una]).length == 0) continue;
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for (let unb in result) {
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matrixe[una][unb] *= msum_old / msum;
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}
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}
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let new_sum = Object.values(pr).reduce((a, b) => a + b, 0)
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for (let unn in result) {
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pr[unn] /= new_sum;
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}
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console.log(`Iteration ${i} calculated`);
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}
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return pr;
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}
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(async function () {
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let users = [];
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let i = 0;
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while (true) {
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let h1 = await fetch(`https://api.darflen.com/users/paradock/followers/${i}`)
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let j1 = await h1.json();
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let users2 = j1.followers.map(x => x.profile.username);
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users = [...users, ...users2];
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if (users2.length == 0) break;
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i++;
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}
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let data = {};
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for (let u of users) {
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let h1 = await fetch(`https://api.darflen.com/users/${u}/followers`)
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let j1 = await h1.json();
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let h2 = await fetch(`https://api.darflen.com/users/${u}/following`)
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let j2 = await h2.json();
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data[u] = {
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followers: j1.followers.map(x => x.profile.username),
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following: j2.following.map(x => x.profile.username)
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}
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console.log(`User ${u} calculated`);
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}
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let dat = Object.entries(rankCalc(data, 100));
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dat = dat.sort((a, b) => a[1] - b[1])
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let srz = JSON.stringify(dat);
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writeFile(`./users.json`,srz,'utf8');
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})()
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