Add "Week" grouping option to reporting

resources/js/packages/ui/src/utils/time.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, test } from 'vitest';
-import { formatHumanReadableDuration, formatReportingDuration } from './time';
+import { formatHumanReadableDuration, formatReportingDuration, formatWeekRange } from './time';
 
 const seconds = 14 * 3600 + 45 * 60 + 6; // 14h 45m 06s
 
@@ -42,3 +42,21 @@ describe('formatReportingDuration', () => {
         );
     });
 });
+
+describe('formatWeekRange', () => {
+    test('renders the six days following the given first day of the week', () => {
+        expect(formatWeekRange('2026-07-27', 'slash-separated-dd-mm-yyyy')).toBe(
+            '27/07/2026 - 02/08/2026'
+        );
+    });
+
+    test('spans a month boundary', () => {
+        expect(formatWeekRange('2026-07-27')).toBe('27.7.2026 - 2.8.2026');
+    });
+
+    test('spans a year boundary', () => {
+        expect(formatWeekRange('2025-12-29', 'slash-separated-dd-mm-yyyy')).toBe(
+            '29/12/2025 - 04/01/2026'
+        );
+    });
+});

resources/js/packages/ui/src/utils/time.ts

@@ -236,6 +236,15 @@ export function formatWeek(date: string | null): string {
     return 'Week ' + getDayJsInstance()(date).week();
 }
 
+/*
+ * Returns the range covered by the week starting on the given day.
+ * @param date - first day of a week, in the format of 'YYYY-MM-DD'
+ */
+export function formatWeekRange(date: string, format?: DateFormat): string {
+    const end = getDayJsInstance()(date).add(6, 'day').format('YYYY-MM-DD');
+    return `${formatDate(date, format)} - ${formatDate(end, format)}`;
+}
+
 /*
  * Returns a human readable date format.
  * @param date - date in the format of 'YYYY-MM-DD'