migrator of rainbow crown

.dockerignore

@@ -55,3 +55,6 @@ public/assets/song_skins
 .venv*
 app.pyc
 .vscode
+
+node_modules
+build

.gitignore

@@ -55,3 +55,6 @@ public/assets/song_skins
 .venv*
 app.pyc
 .vscode
+
+node_modules
+build

tools/migrate-rainbow-crown/package.json

+{
+  "name": "migrate-rainbow-crown",
+  "version": "1.0.0",
+  "description": "",
+  "main": "build/run.js",
+  "scripts": {
+    "build": "./node_modules/.bin/tsc",
+    "start": "node build/run.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://code.mycard.moe/nanahira/taiko-web"
+  },
+  "author": "Nanahira",
+  "license": "AGPL-3.0",
+  "dependencies": {
+    "@types/node": "^14.0.14",
+    "@types/underscore": "^1.10.2",
+    "then-mongo": "^3.1.0",
+    "typescript": "^3.9.6",
+    "underscore": "^1.10.2"
+  }
+}

tools/migrate-rainbow-crown/run.ts

+import mongo, { Database, Collection } from "then-mongo";
+
+const scoreKeys = ["points", "good", "ok", "bad", "maxCombo", "drumroll"];
+
+class Score {
+	original: string;
+	available: boolean;
+	crown: number;
+	points: number;
+	good: number;
+	ok: number;
+	bad: number;
+	maxCombo: number;
+	drumroll: number;
+	constructor(str: string) {
+		this.original = str;
+		if (!str.length) {
+			this.available = false;
+			return;
+		}
+		this.available = true;
+		this.crown = parseInt(str.slice(0, 1));
+		const components = str.slice(1).split(",");
+		for (let i = 0; i < components.length; ++i) {
+			this[scoreKeys[i]] = parseInt(components[i], 36);
+		}
+	}
+	toString() {
+		if (!this.available) {
+			return "";
+		}
+		const components = scoreKeys.map(key => {
+			return this[key].toString(36);
+		});
+		return `${this.crown}${components.join(",")}`;
+	}
+}
+
+function replaceString(src: string) {
+	const diffs = src.split(";").map(m => new Score(m));
+	for (let score of diffs) {
+		if (score.crown === 2 && score.ok === 0) {
+			score.crown = 3;
+		}
+	}
+	return diffs.map(s => s.toString()).join(";");
+}
+
+//console.log(replaceString("2imnw,4h,0,0,4h,k"));
+
+const mongoUrl = process.argv[2];
+let col: Collection;
+
+async function updateOne(scoreRow: any) {
+	const str = scoreRow.score;
+	const newStr = replaceString(str);
+	if (str !== newStr) {
+		await col.update({ _id: scoreRow._id }, { $set: { score: newStr } });
+		console.log(`Score of ${scoreRow.username} ${scoreRow.hash} updated from ${str} to ${newStr}.`);
+	}
+}
+
+async function main() {
+	console.log("Started.");
+	const db = mongo(mongoUrl);
+	col = db.collection("scores");
+	console.log("Checking scores.");
+	await col.find().map(updateOne);
+	console.log("Finished.");
+	process.exit();
+}
+main();

tools/migrate-rainbow-crown/tsconfig.json

+{
+	"compilerOptions": {
+		"outDir": "build",
+		"module": "commonjs",
+		"target": "esnext",
+		"esModuleInterop": true,
+		"sourceMap": true
+	},
+	"compileOnSave": true,
+	"allowJs": true,
+	"include": [
+		"*.ts"
+	]
+}