Sprint 7: PartnerMeCheckInView — JWT-authenticated ticket check-in

- admin_api/views.py: PartnerMeCheckInView — validates ticket belongs to
  partner's event, marks is_checked_in=True, returns name/ticket/event/
  alreadyCheckedIn; uses IsAuthenticated (Bearer JWT, not body token)
- admin_api/urls.py: wire partners/me/check-in/

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

admin_api/urls.py

@@ -40,6 +40,8 @@ urlpatterns = [
     # Partner-Me: staff CRUD (Sprint 6)
     path('partners/me/staff/', views.PartnerMeStaffListView.as_view(), name='partner-me-staff-list'),
     path('partners/me/staff/<int:pk>/', views.PartnerMeStaffDetailView.as_view(), name='partner-me-staff-detail'),
+    # Partner-Me: check-in (Sprint 7)
+    path('partners/me/check-in/', views.PartnerMeCheckInView.as_view(), name='partner-me-check-in'),
     path('users/metrics/', views.UserMetricsView.as_view(), name='user-metrics'),
     path('users/', views.UserListView.as_view(), name='user-list'),
     path('users/<int:pk>/', views.UserDetailView.as_view(), name='user-detail'),

admin_api/views.py

@@ -4223,3 +4223,62 @@ class PartnerMeStaffDetailView(APIView):
         staff_user.is_active = False
         staff_user.save(update_fields=['is_active'])
         return Response({'status': 'revoked'}, status=204)
+
+
+# ============================================================
+# Sprint 7 — Partner Check-in (JWT-authenticated)
+# ============================================================
+
+class PartnerMeCheckInView(APIView):
+    """
+    POST /api/v1/partners/me/check-in/
+    Body: { "ticket_id": "<ticket_id>" }
+    Validates the ticket belongs to a partner-owned event, marks checked-in.
+    """
+    permission_classes = [IsAuthenticated]
+
+    def post(self, request):
+        from bookings.models import Ticket
+
+        partner, err = _require_partner(request)
+        if err:
+            return err
+
+        ticket_id = (request.data.get('ticket_id') or '').strip()
+        if not ticket_id:
+            return Response({'valid': False, 'error': 'ticket_id is required'}, status=400)
+
+        try:
+            ticket = Ticket.objects.select_related(
+                'booking__user',
+                'booking__ticket_meta__event',
+                'booking__ticket_type',
+            ).get(ticket_id=ticket_id)
+        except Ticket.DoesNotExist:
+            return Response({'valid': False, 'error': 'Ticket not found'}, status=404)
+
+        # Verify the ticket's event belongs to this partner
+        event = ticket.booking.ticket_meta.event if ticket.booking.ticket_meta_id else None
+        if not event or event.partner_id != partner.id:
+            return Response({'valid': False, 'error': 'Ticket not found'}, status=404)
+
+        user = ticket.booking.user
+        customer_name = f"{user.first_name} {user.last_name}".strip() or user.username
+        ticket_type = ticket.booking.ticket_type.ticket_type if ticket.booking.ticket_type_id else '—'
+
+        already_checked_in = ticket.is_checked_in
+
+        if not already_checked_in:
+            from datetime import datetime, timezone as _tz
+            ticket.is_checked_in = True
+            ticket.checked_in_date_time = datetime.now(_tz.utc)
+            ticket.save(update_fields=['is_checked_in', 'checked_in_date_time'])
+
+        return Response({
+            'valid': True,
+            'alreadyCheckedIn': already_checked_in,
+            'name': customer_name,
+            'ticket': ticket_type,
+            'event': event.title if event else '—',
+            'ticketId': ticket.ticket_id,
+        })