To-DO abgearbeitet

helpers/utils.js

@@ -117,6 +117,21 @@ function getWeekDatesFromCalendarWeek(year, weekNumber) {
   };
 }
 
+// Helper: Berechnet week_start (Montag) aus einem Datum
+function getWeekStart(dateStr) {
+  const date = new Date(dateStr);
+  const day = date.getDay(); // 0 = Sonntag, 1 = Montag, ..., 6 = Samstag
+  const diff = day === 0 ? -6 : 1 - day; // Montag = 1, Sonntag = 0
+  const monday = new Date(date);
+  monday.setDate(date.getDate() + diff);
+  
+  // Format: YYYY-MM-DD
+  const year = monday.getFullYear();
+  const month = String(monday.getMonth() + 1).padStart(2, '0');
+  const dayOfMonth = String(monday.getDate()).padStart(2, '0');
+  return `${year}-${month}-${dayOfMonth}`;
+}
+
 module.exports = {
   hasRole,
   getDefaultRole,
@@ -127,5 +142,6 @@ module.exports = {
   formatDate,
   formatDateTime,
   getCalendarWeek,
-  getWeekDatesFromCalendarWeek
+  getWeekDatesFromCalendarWeek,
+  getWeekStart
 };