Umstellung auf anzeige x h y min

helpers/utils.js

@@ -132,6 +132,22 @@ function getWeekStart(dateStr) {
   return `${year}-${month}-${dayOfMonth}`;
 }
 
+// Helper: Dezimalstunden in Anzeige "X h Y min" (z. B. 8.25 -> "8 h 15 min", -1.5 -> "-1 h 30 min")
+function formatHoursMin(decimalHours) {
+  if (decimalHours == null || !Number.isFinite(Number(decimalHours))) return '0 h 0 min';
+  const n = Number(decimalHours);
+  const sign = n < 0 ? -1 : 1;
+  const absVal = Math.abs(n);
+  let h = Math.floor(absVal);
+  let min = Math.round((absVal - h) * 60);
+  if (min >= 60) {
+    h += 1;
+    min = 0;
+  }
+  const prefix = sign < 0 ? '-' : '';
+  return prefix + h + ' h ' + min + ' min';
+}
+
 module.exports = {
   hasRole,
   getDefaultRole,
@@ -143,5 +159,6 @@ module.exports = {
   formatDateTime,
   getCalendarWeek,
   getWeekDatesFromCalendarWeek,
-  getWeekStart
+  getWeekStart,
+  formatHoursMin
 };