Feature/fix external subscription client expiry (#6333)

* fix(sub): honor client expiry for external links

* fix(ui): show client expiry on external links

* fix(sub): address external expiry review

frontend/src/test/client-external-link-expiry.test.ts

@@ -0,0 +1,17 @@
+import { describe, expect, it } from 'vitest';
+
+import { resolveExternalLinkExpiry } from '@/lib/clients/external-link';
+
+describe('resolveExternalLinkExpiry', () => {
+  it('uses the client expiry when the external link has no specific expiry', () => {
+    expect(resolveExternalLinkExpiry(0, 1_800_000_000_000)).toBe(1_800_000_000_000);
+  });
+
+  it('keeps an explicit external-link expiry', () => {
+    expect(resolveExternalLinkExpiry(1_700_000_000_000, 1_800_000_000_000)).toBe(1_700_000_000_000);
+  });
+
+  it('stays empty when neither expiry is set', () => {
+    expect(resolveExternalLinkExpiry(0, 0)).toBe(0);
+  });
+});

frontend/src/test/date-time-picker.test.tsx

@@ -1,11 +1,32 @@
-import { fireEvent } from '@testing-library/react';
+import { fireEvent, screen } from '@testing-library/react';
 import dayjs from 'dayjs';
 import type { Dayjs } from 'dayjs';
-import { describe, expect, it, vi } from 'vitest';
+import { afterEach, describe, expect, it, vi } from 'vitest';
 
 import DateTimePicker from '@/components/form/DateTimePicker';
+import { setDatepicker } from '@/hooks/useDatepicker';
 import { renderWithProviders } from './test-utils';
 
+vi.mock('persian-calendar-suite', () => ({
+  PersianDateTimePicker: ({
+    maxDate,
+    onChange,
+  }: {
+    maxDate?: Date;
+    onChange?: (value: number) => void;
+  }) => (
+    <button
+      type="button"
+      aria-label="Persian date time picker"
+      data-testid="persian-date-time-picker"
+      data-max-date={maxDate?.toISOString()}
+      onClick={() => onChange?.((maxDate?.getTime() ?? 0) + 1)}
+    />
+  ),
+}));
+
+afterEach(() => setDatepicker('gregorian'));
+
 function openPicker(): void {
   const input = document.querySelector('.ant-picker input');
   if (!input) throw new Error('picker input not rendered');
@@ -40,4 +61,34 @@ describe('DateTimePicker', () => {
 
     expect(document.querySelector('.ant-picker-ok')).toBeNull();
   });
+
+  it('hides the Gregorian clear control and disables dates after maxDate', () => {
+    const maxDate = dayjs().add(1, 'day').startOf('day');
+    renderWithProviders(
+      <DateTimePicker value={maxDate} onChange={vi.fn()} allowClear={false} maxDate={maxDate} />,
+    );
+
+    expect(document.querySelector('.ant-picker-clear')).toBeNull();
+    openPicker();
+    const blockedCell = document.querySelector(
+      `.ant-picker-cell[title="${maxDate.add(1, 'day').format('YYYY-MM-DD')}"]`,
+    );
+    expect(blockedCell?.classList.contains('ant-picker-cell-disabled')).toBe(true);
+  });
+
+  it('applies clear and max-date constraints to the Jalali picker', () => {
+    setDatepicker('jalalian');
+    const maxDate = dayjs('2030-01-02T03:04:05');
+    const onChange = vi.fn();
+    renderWithProviders(
+      <DateTimePicker value={maxDate} onChange={onChange} allowClear={false} maxDate={maxDate} />,
+    );
+
+    expect(document.querySelector('.jdp-clear')).toBeNull();
+    expect(screen.getByTestId('persian-date-time-picker').dataset.maxDate).toBe(
+      maxDate.toDate().toISOString(),
+    );
+    fireEvent.click(screen.getByTestId('persian-date-time-picker'));
+    expect(onChange).not.toHaveBeenCalled();
+  });
 });