Add ratings script

2021/ratings.js

@@ -0,0 +1,88 @@
+#!/bin/node
+
+// Downloads and calculates data for community ratings
+// TODO: Filter reviews before date
+
+// Commandline switches:
+//  --alphabetical: Sorts packages alphabetically by title instead of score
+//  --unfiltered: Doesn't filter unhelpful reviews
+//  --scoresonly: Only lists scores (no table)
+
+const https = require("https");
+
+const fetch = (url, callback) => https.get(url, res => {
+    let data = "";
+    res.on("data", chunk => data += chunk);
+    res.on("end", () => callback(JSON.parse(data)));
+}).on("error", console.log);
+
+const graph = data => {
+    if (process.argv.includes("--alphabetical")) {
+        data.sort((a, b) => b.title.toLowerCase() > a.title.toLowerCase() ? -1 : 1);
+    } else {
+        data.sort((a, b) => b.score - a.score);
+    }
+
+    if (process.argv.includes("--scoresonly")) {
+        for (const score of data) {
+            console.log(score.score);
+        }
+        return
+    }  
+
+    let table = [];
+    for (const score of data) {
+        const r = score.ratings;
+        let data = {};
+
+        data["Package"] = score.title;
+        data["Total"] = r.total;
+        data["Ratings"] = `+${r.positive} / -${r.negative}`;
+        data["Discarded"] = `+${r.positive - r.positive_valid} / -${r.negative - r.negative_valid}`;
+        data["Kept"] = `+${r.positive_valid} / -${r.negative_valid}`;
+        data["Score"] = score.score;
+
+        table.push(data);
+    }
+    console.table(table);
+}
+
+fetch("https://content.minetest.net/api/packages/?tag=jam_game_2021", async packages => {
+    let scores = [];
+
+    for (const package of packages) {
+        let ratings = {
+            total: 0,
+            total_valid: 0,
+            negative: 0,
+            negative_valid: 0,
+            positive: 0,
+            positive_valid: 0,
+        };
+
+        const reviews = await new Promise(resolve => fetch(`https://content.minetest.net/api/packages/${package.author}/${package.name}/reviews/`, resolve));
+
+        for (const review of reviews) {
+            const valid = process.argv.includes("--unfiltered") ? true : review.votes.unhelpful <= review.votes.helpful;
+            if (review.is_positive) {
+                ratings.positive++;
+                if (valid) ratings.positive_valid++;
+            } else {
+                ratings.negative++;
+                if (valid) ratings.negative_valid++;
+            }
+            ratings.total++;
+            if (valid) ratings.total_valid++;
+        }
+
+        scores.push({
+            name: package.name,
+            author: package.author,
+            title: package.title,
+            ratings: ratings,
+            score: Math.round(((ratings.positive_valid + 1) / (ratings.total_valid + 2)) * 100) / 100,
+        });
+    }
+
+    graph(scores);
+});