use a single submit table to decrease load times

1 files changed, 24 insertions, 3 deletions

diff --git a/js/database.js b/js/database.js
index 73c2d17..8149c35 100644
--- a/js/database.js
+++ b/js/database.js
@@ -23,6 +23,8 @@ const DB_TEMPLATE_LIST_FOOTER = `
 
 let studentDbs = populateStudentDbs();
 
+const ID_QUERY_PARAM_REGEX = /[?&]id=(\d+)/
+
 async function populateStudentDbs() {
 	const courseUrl = `https://lernplattform.bycs.de/course/view.php?id=${getCourseId()}`;
 	const courseRes = await fetch(courseUrl);
@@ -30,11 +32,17 @@ async function populateStudentDbs() {
 
 	let dbs = new Map();
 	for (const link of courseDoc.querySelectorAll("div.activityname a.aalink")) {
+		if (link.textContent.trim() === "Submit  Datenbank") {
+			const dbId = link.href.match(ID_QUERY_PARAM_REGEX)[1]
+			dbs.set("submit", new DB(dbId));
+			continue;
+		}
+
 		const match = link.textContent.match(/(\d+)(Shadow|Public|Submit)/);
 		if (!match) continue;
 		const studentId = match[1];
 		const dbType = match[2];
-		const dbId = link.href.match(/[?&]id=(\d+)/)[1]
+		const dbId = link.href.match(ID_QUERY_PARAM_REGEX)[1]
 
 		if (!dbs.has(studentId)) {
 			dbs.set(studentId, {});
@@ -46,6 +54,11 @@ async function populateStudentDbs() {
 	return dbs;
 }
 
+async function getSubmitDb() {
+	const dbs = await studentDbs;
+	return dbs.get("submit");
+}
+
 class DB {
 	constructor(id) {
 		this.id = id;
@@ -127,13 +140,21 @@ async function addEntryToDatabaseActivity(id, json) {
 }
 
 async function addEntryToStudentDatabase(student, type, json) {
-	const dbs = await DB.getStudentDbs(student);
-	const db = dbs[type];
+	let db;
+	// global submit database
+	if (type === "submit") {
+		db = await getSubmitDb();
+	// individuell databases
+	} else {
+		const dbs = await DB.getStudentDbs(student);
+		db = dbs[type];
+	}
 	await db.saveEntry(json);
 }
 
 export {
 	DB,
+	getSubmitDb,
 	loadFromDatabaseActivity, loadFromStudentDatabase,
 	addEntryToDatabaseActivity, addEntryToStudentDatabase,
 };