fix: sync multi-day work hours accounting

Aggregate task work-hour rows into travel-cost calculations and monthly servicer reporting, and keep the frontend calendar aligned with the task work-hours source.

backend/modules/fleet/tests/test_work_order_images_endpoint.py

@@ -24,8 +24,9 @@ from modules.fleet.models import (
     GeneratedFleetArchive,
     VehicleNotification,
 )
-from modules.task_management.models import Task
+from modules.task_management.models import Task, TaskWorkHoursTable
 from modules.fleet.tasks import build_monthly_archive_cached_task
+from modules.fleet.views import _build_monthly_servicer_report_rows
 
 
 def create_test_image(filename='test.jpg', size=(40, 40), color='red'):
@@ -467,6 +468,73 @@ class WorkOrderImagesEndpointTests(TestCase):
         self.assertIn('MT150726.work-order.pdf', names)
         self.assertTrue(any(name.startswith('Racuni/MT150726/') for name in names), names)
 
+    def test_work_order_pdf_travel_expense_uses_task_work_hours_table(self):
+        TaskWorkHoursTable.objects.create(
+            task=self.task,
+            data={
+                'rows': [
+                    {
+                        'date': '24.12.2033',
+                        'work_time_from': '08:00',
+                        'work_time_to': '16:00',
+                        'travel_hours': '2',
+                        'work_hours': '6',
+                    },
+                    {
+                        'date': '25.12.2033',
+                        'work_time_from': '09:00',
+                        'work_time_to': '15:00',
+                        'travel_hours': '1,5',
+                        'work_hours': '4',
+                    },
+                ]
+            },
+        )
+
+        response = self.client.get(f'/api/fleet/work-orders/{self.work_order.pk}/pdf/')
+        self.assertEqual(response.status_code, 200, response.content)
+        self.assertEqual(response['Content-Type'], 'application/pdf')
+
+        reader = PdfReader(BytesIO(response.content))
+        text = '\n'.join((page.extract_text() or '') for page in reader.pages)
+        self.assertIn('24.12.2033.', text)
+        self.assertIn('25.12.2033.', text)
+        self.assertIn('13,5', text)
+        self.assertIn('0,6', text)
+
+    def test_monthly_servicer_report_rows_use_task_work_hours_table_hours(self):
+        TaskWorkHoursTable.objects.create(
+            task=self.task,
+            data={
+                'rows': [
+                    {
+                        'date': '24.12.2033',
+                        'work_time_from': '08:00',
+                        'work_time_to': '16:00',
+                        'travel_hours': '2',
+                        'work_hours': '6',
+                    },
+                    {
+                        'date': '25.12.2033',
+                        'work_time_from': '09:00',
+                        'work_time_to': '15:00',
+                        'travel_hours': '1,5',
+                        'work_hours': '4',
+                    },
+                ]
+            },
+        )
+
+        rows = _build_monthly_servicer_report_rows(self.user, 2033, 12)
+        row_by_date = {row['date']: row for row in rows if row['source'] == 'task'}
+        self.assertIn(date(2033, 12, 24), row_by_date)
+        self.assertIn(date(2033, 12, 25), row_by_date)
+        self.assertEqual(row_by_date[date(2033, 12, 24)]['redovan_rad'], '8')
+        self.assertEqual(row_by_date[date(2033, 12, 24)]['prekovremeni'], '8')
+        self.assertEqual(row_by_date[date(2033, 12, 25)]['redovan_rad'], '8')
+        self.assertEqual(row_by_date[date(2033, 12, 25)]['prekovremeni'], '5.5')
+
+
     def test_monthly_service_tasks_archive_request_creates_ready_download_with_notification(self):
         response = self.client.post(
             '/api/fleet/reports/monthly-service-tasks-archive-request/',