From 349262b8c82c96ad8c4237d2a191d4b7ba208b13 Mon Sep 17 00:00:00 2001
From: Florian Fischer <florian.fischer@muhq.space>
Date: Fri, 2 Oct 2026 15:49:05 +0200
Subject: parse the dates provided by moodle manually

The reported date values are in german locale and can not be parsed
by my browser for example.
---
 src/graduation-common.ts |  4 +++-
 src/utils-common.ts      | 26 ++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/graduation-common.ts b/src/graduation-common.ts
index 0652c59..2d1f21d 100644
--- a/src/graduation-common.ts
+++ b/src/graduation-common.ts
@@ -6,6 +6,8 @@ import EntdeckerPng from "../assets/Entdecker.png";
 import NavigatorPng from "../assets/Navigator.png";
 import PioneerPng from "../assets/Pioneer.png";
 
+import { parseMoodleDate } from "./utils-common.ts";
+
 const LEVEL_NAMES = ["Anwärter", "Entdecker", "Navigator", "Pionieer"];
 
 const LEVEL_IMAGES = [
@@ -62,7 +64,7 @@ class GraduationChange {
 		const change = JSON.parse(json);
 		return new GraduationChange(
 			Number(changeId),
-			new Date(date),
+			parseMoodleDate(date),
 			Number(change.studentId),
 			change.change,
 			change.reason,
diff --git a/src/utils-common.ts b/src/utils-common.ts
index d644b10..055fee6 100644
--- a/src/utils-common.ts
+++ b/src/utils-common.ts
@@ -77,3 +77,29 @@ export function splitmix32(a: number) {
 		return ((t = t ^ (t >>> 15)) >>> 0) / 4294967296;
 	};
 }
+
+const MOODLE_DATE_REGEX = /\w+, (\d+)\. (\w+) (\d+), (\d\d):(\d\d)/;
+const MONTHS: { [m: string]: number } = {
+	Januar: 1,
+	Februar: 2,
+	März: 3,
+	April: 4,
+	Mai: 5,
+	Juni: 6,
+	Juli: 7,
+	August: 8,
+	September: 9,
+	Oktober: 9,
+	November: 10,
+	Dezember: 11,
+};
+
+export function parseMoodleDate(s: string) {
+	const match = MOODLE_DATE_REGEX.exec(s);
+	if (!match) {
+		return new Date(-1);
+	}
+
+	const month = MONTHS[match[2]];
+	return new Date(Number(match[3]), month, Number(match[1]), Number(match[4]), Number(match[4]));
+}
-- 
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