✨ Big update to the admin-screen and smaller bug-fixes

frontend/src/lib/admin.ts

@@ -0,0 +1,56 @@
+import type { QuizData } from '$lib/quiz_types';
+
+export const get_question_title = (q_number: number, quiz_data: QuizData): string => {
+	if (q_number - 1 === quiz_data.questions.length) {
+		return;
+	}
+	try {
+		return quiz_data.questions[q_number].question;
+	} catch (e) {
+		return '';
+	}
+};
+
+export const getWinnersSorted = (
+	quiz_data: QuizData,
+	final_results: Array<null> | Array<Array<PlayerAnswer>>
+) => {
+	const winners = {};
+	const q_count = quiz_data.questions.length;
+	for (let i = 0; i < q_count; i++) {
+		const q_res = final_results[i];
+		if (q_res === null) {
+			continue;
+		}
+		for (let j = 0; j < q_res.length; j++) {
+			const res = q_res[j];
+			if (res['right']) {
+				if (winners[res['username']] === undefined) {
+					winners[res['username']] = 0;
+				}
+				winners[res['username']] += 1;
+			}
+		}
+	}
+
+	function sortObjectbyValue(obj) {
+		const asc = false;
+		const ret = {};
+		Object.keys(obj)
+			.sort((a, b) => obj[asc ? a : b] - obj[asc ? b : a])
+			.forEach((s) => (ret[s] = obj[s]));
+		return ret;
+	}
+
+	return sortObjectbyValue(winners);
+};
+
+export interface Player {
+	username: string;
+}
+
+export interface PlayerAnswer {
+	username: string;
+	answer: string;
+	right: string;
+}