fix: add editable work order travel expenses

Introduce a dedicated travel-expenses table for work orders so Broj sati, Količina dnevnica, and Iznos dnevnice can be reviewed and edited before PDF generation. The PDF now uses the stored travel-expenses values, with default HR rate and cache invalidation on updates.

backend/modules/fleet/migrations/0036_workordertravelexpenses_table.py

@@ -0,0 +1,34 @@
+from decimal import Decimal
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('fleet', '0035_generatedfleetarchive'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='WorkOrderTravelExpensesTable',
+            fields=[
+                ('id', models.UUIDField(editable=False, primary_key=True, serialize=False)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('is_active', models.BooleanField(default=True)),
+                ('broj_sati', models.DecimalField(decimal_places=2, default=Decimal('0.00'), max_digits=10, verbose_name='Broj sati')),
+                ('kolicina_dnevnica', models.DecimalField(decimal_places=2, default=Decimal('0.00'), max_digits=10, verbose_name='Količina dnevnica')),
+                ('iznos_dnevnica', models.DecimalField(decimal_places=2, default=Decimal('30.00'), max_digits=10, verbose_name='Iznos dnevnice')),
+                ('daily_rate_country', models.CharField(choices=[('HR', 'Hrvatska'), ('BIH', 'BiH'), ('SI', 'Slovenija'), ('CG', 'Crna Gora')], default='HR', max_length=8, verbose_name='Država dnevnice')),
+                ('total_for_payout', models.DecimalField(decimal_places=2, default=Decimal('0.00'), max_digits=12, verbose_name='Ukupan iznos')),
+                ('work_order', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='travel_expenses_table', to='fleet.workorder', verbose_name='Putni nalog')),
+            ],
+            options={
+                'verbose_name': 'Tablica obračuna putnih troškova',
+                'verbose_name_plural': 'Tablice obračuna putnih troškova',
+                'ordering': ['-updated_at'],
+            },
+        ),
+    ]

backend/modules/fleet/models.py

@@ -417,6 +417,63 @@ class WorkOrderAdditionalCostsTable(BaseModel):
         return f"Additional costs table for work order {self.work_order_id}"
 
 
+class WorkOrderTravelExpensesTable(BaseModel):
+    RATE_CHOICES = [
+        ('HR', _("Hrvatska")),
+        ('BIH', _("BiH")),
+        ('SI', _("Slovenija")),
+        ('CG', _("Crna Gora")),
+    ]
+
+    DEFAULT_RATE_COUNTRY = 'HR'
+    DEFAULT_RATE_AMOUNT = Decimal('30.00')
+
+    work_order = models.OneToOneField(
+        WorkOrder,
+        on_delete=models.CASCADE,
+        related_name='travel_expenses_table',
+        verbose_name=_("Putni nalog"),
+    )
+    broj_sati = models.DecimalField(
+        max_digits=10,
+        decimal_places=2,
+        default=Decimal('0.00'),
+        verbose_name=_("Broj sati"),
+    )
+    kolicina_dnevnica = models.DecimalField(
+        max_digits=10,
+        decimal_places=2,
+        default=Decimal('0.00'),
+        verbose_name=_("Količina dnevnica"),
+    )
+    iznos_dnevnica = models.DecimalField(
+        max_digits=10,
+        decimal_places=2,
+        default=DEFAULT_RATE_AMOUNT,
+        verbose_name=_("Iznos dnevnice"),
+    )
+    daily_rate_country = models.CharField(
+        max_length=8,
+        choices=RATE_CHOICES,
+        default=DEFAULT_RATE_COUNTRY,
+        verbose_name=_("Država dnevnice"),
+    )
+    total_for_payout = models.DecimalField(
+        max_digits=12,
+        decimal_places=2,
+        default=Decimal('0.00'),
+        verbose_name=_("Ukupan iznos"),
+    )
+
+    class Meta:
+        ordering = ['-updated_at']
+        verbose_name = _("Tablica obračuna putnih troškova")
+        verbose_name_plural = _("Tablice obračuna putnih troškova")
+
+    def __str__(self):
+        return f"Travel expenses table for work order {self.work_order_id}"
+
+
 class WorkOrderPhoto(BaseModel):
     work_order = models.ForeignKey(
         WorkOrder,

backend/modules/fleet/serializers.py

@@ -14,6 +14,7 @@ from .models import (
     VehicleNotification,
     WorkOrder,
     WorkOrderAdditionalCostsTable,
+    WorkOrderTravelExpensesTable,
     WorkOrderPhoto,
     WorkOrderInvoice,
     VehicleServiceRecord,
@@ -501,6 +502,105 @@ class WorkOrderAdditionalCostsTableSerializer(serializers.ModelSerializer):
         return super().update(instance, validated_data)
 
 
+class WorkOrderTravelExpensesTableSerializer(serializers.ModelSerializer):
+    RATE_DEFAULTS = {
+        'HR': Decimal('30.00'),
+        'BIH': Decimal('50.00'),
+        'SI': Decimal('80.00'),
+        'CG': Decimal('50.00'),
+    }
+
+    class Meta:
+        model = WorkOrderTravelExpensesTable
+        fields = [
+            'id',
+            'work_order',
+            'broj_sati',
+            'kolicina_dnevnica',
+            'iznos_dnevnica',
+            'daily_rate_country',
+            'total_for_payout',
+            'created_at',
+            'updated_at',
+        ]
+        read_only_fields = ['id', 'total_for_payout', 'created_at', 'updated_at']
+
+    @staticmethod
+    def _parse_decimal(value):
+        if value in (None, ''):
+            return None
+        try:
+            normalized = str(value).strip().replace('€', '').replace(' ', '').replace(',', '.')
+            return Decimal(normalized)
+        except (InvalidOperation, ValueError, TypeError):
+            raise serializers.ValidationError('Neispravna decimalna vrijednost.')
+
+    def validate_daily_rate_country(self, value):
+        normalized = str(value or '').strip().upper()
+        if not normalized:
+            return WorkOrderTravelExpensesTable.DEFAULT_RATE_COUNTRY
+        valid_choices = {choice for choice, _label in WorkOrderTravelExpensesTable.RATE_CHOICES}
+        if normalized not in valid_choices:
+            raise serializers.ValidationError('Neispravna država dnevnice.')
+        return normalized
+
+    def validate(self, attrs):
+        instance = getattr(self, 'instance', None)
+        country = attrs.get(
+            'daily_rate_country',
+            getattr(instance, 'daily_rate_country', WorkOrderTravelExpensesTable.DEFAULT_RATE_COUNTRY),
+        )
+
+        if 'iznos_dnevnica' not in attrs or attrs.get('iznos_dnevnica') in (None, ''):
+            attrs['iznos_dnevnica'] = self.RATE_DEFAULTS.get(
+                country,
+                WorkOrderTravelExpensesTable.DEFAULT_RATE_AMOUNT,
+            )
+
+        if 'broj_sati' in attrs:
+            attrs['broj_sati'] = self._parse_decimal(attrs['broj_sati'])
+        if 'kolicina_dnevnica' in attrs:
+            attrs['kolicina_dnevnica'] = self._parse_decimal(attrs['kolicina_dnevnica'])
+        if 'iznos_dnevnica' in attrs:
+            attrs['iznos_dnevnica'] = self._parse_decimal(attrs['iznos_dnevnica'])
+
+        attrs['broj_sati'] = attrs.get(
+            'broj_sati',
+            getattr(instance, 'broj_sati', Decimal('0.00')),
+        ) or Decimal('0.00')
+        attrs['kolicina_dnevnica'] = attrs.get(
+            'kolicina_dnevnica',
+            getattr(instance, 'kolicina_dnevnica', Decimal('0.00')),
+        ) or Decimal('0.00')
+        attrs['iznos_dnevnica'] = attrs.get(
+            'iznos_dnevnica',
+            getattr(instance, 'iznos_dnevnica', self.RATE_DEFAULTS.get(country, WorkOrderTravelExpensesTable.DEFAULT_RATE_AMOUNT)),
+        ) or self.RATE_DEFAULTS.get(country, WorkOrderTravelExpensesTable.DEFAULT_RATE_AMOUNT)
+        attrs['daily_rate_country'] = country
+        return attrs
+
+    def _calculate_total_for_payout(self, validated_data):
+        quantity = validated_data.get('kolicina_dnevnica', Decimal('0.00'))
+        rate = validated_data.get('iznos_dnevnica', Decimal('0.00'))
+        if not isinstance(quantity, Decimal):
+            quantity = self._parse_decimal(quantity) or Decimal('0.00')
+        if not isinstance(rate, Decimal):
+            rate = self._parse_decimal(rate) or Decimal('0.00')
+        return (quantity * rate).quantize(Decimal('0.01'))
+
+    def create(self, validated_data):
+        validated_data['total_for_payout'] = self._calculate_total_for_payout(validated_data)
+        return super().create(validated_data)
+
+    def update(self, instance, validated_data):
+        merged = {
+            'kolicina_dnevnica': validated_data.get('kolicina_dnevnica', instance.kolicina_dnevnica),
+            'iznos_dnevnica': validated_data.get('iznos_dnevnica', instance.iznos_dnevnica),
+        }
+        validated_data['total_for_payout'] = self._calculate_total_for_payout(merged)
+        return super().update(instance, validated_data)
+
+
 class WorkOrderPhotoSerializer(serializers.ModelSerializer):
     class Meta:
         model = WorkOrderPhoto

backend/modules/fleet/tests/test_work_order_images_endpoint.py

@@ -274,6 +274,30 @@ class WorkOrderImagesEndpointTests(TestCase):
         self.assertFalse(cached.is_active)
         self.assertEqual(cached.status, 'failed')
 
+    def test_travel_expenses_update_invalidates_work_order_pdf_cache(self):
+        cached = GeneratedWorkOrderPdf.objects.create(
+            work_order=self.work_order,
+            requested_by=self.user,
+            pdf_type='work_order',
+            status='ready',
+            filename='MT150726.work-order.pdf',
+            expires_at=timezone.now() + timedelta(hours=1),
+        )
+        response = self.client.put(
+            f"/api/fleet/work-orders/{self.work_order.pk}/travel-expenses-table/",
+            data={
+                'broj_sati': '9.5',
+                'kolicina_dnevnica': '0.5',
+                'iznos_dnevnica': '30',
+                'daily_rate_country': 'HR',
+            },
+            format='json',
+        )
+        self.assertEqual(response.status_code, 200, response.content)
+        cached.refresh_from_db()
+        self.assertFalse(cached.is_active)
+        self.assertEqual(cached.status, 'failed')
+
     def test_service_records_docx_contains_embedded_service_photos(self):
         VehicleServicePhoto.objects.create(
             service_record=self.service_record,
@@ -491,6 +515,19 @@ class WorkOrderImagesEndpointTests(TestCase):
             },
         )
 
+        save_response = self.client.put(
+            f'/api/fleet/work-orders/{self.work_order.pk}/travel-expenses-table/',
+            data={
+                'broj_sati': '9.5',
+                'kolicina_dnevnica': '0.5',
+                'iznos_dnevnica': '80',
+                'daily_rate_country': 'SI',
+            },
+            format='json',
+        )
+        self.assertEqual(save_response.status_code, 200, save_response.content)
+        self.assertEqual(save_response.data['total_for_payout'], '40.00')
+
         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')
@@ -501,6 +538,39 @@ class WorkOrderImagesEndpointTests(TestCase):
         self.assertIn('25.12.2033.', text)
         self.assertIn('9,5', text)
         self.assertIn('0,5', text)
+        self.assertIn('80.00 €', text)
+        self.assertIn('40.00 €', text)
+
+    def test_work_order_travel_expenses_table_defaults_to_hr_rate_and_calculates_total(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': '1',
+                        'work_hours': '6',
+                    },
+                    {
+                        'date': '25.12.2033',
+                        'work_time_from': '09:00',
+                        'work_time_to': '15:00',
+                        'travel_hours': '0,5',
+                        'work_hours': '2',
+                    },
+                ]
+            },
+        )
+
+        response = self.client.get(f'/api/fleet/work-orders/{self.work_order.pk}/travel-expenses-table/')
+        self.assertEqual(response.status_code, 200, response.content)
+        self.assertEqual(response.data['broj_sati'], '9.50')
+        self.assertEqual(response.data['kolicina_dnevnica'], '0.50')
+        self.assertEqual(response.data['daily_rate_country'], 'HR')
+        self.assertEqual(response.data['iznos_dnevnica'], '30.00')
+        self.assertEqual(response.data['total_for_payout'], '15.00')
 
     def test_calculate_daily_quantity_from_hours_follows_business_rules(self):
         self.assertEqual(_calculate_daily_quantity_from_hours(0), 0.0)

backend/modules/fleet/views.py

@@ -53,6 +53,7 @@ from .models import (
     GeneratedFleetArchive,
     WorkOrderInvoice,
     WorkOrderAdditionalCostsTable,
+    WorkOrderTravelExpensesTable,
     VehicleServiceRecord,
     VehicleServicePhoto,
     VehicleServiceAttachment,
@@ -63,6 +64,7 @@ from .serializers import (
     WorkOrderSerializer,
     WorkOrderInvoiceSerializer,
     WorkOrderAdditionalCostsTableSerializer,
+    WorkOrderTravelExpensesTableSerializer,
     WorkOrderPhotoSerializer,
     VehicleServiceRecordSerializer,
     VehicleNotificationSerializer,
@@ -276,6 +278,84 @@ def _task_work_hours_entries(task):
         }]
 
     return []
+    return []
+
+def _format_decimal_display(value, *, default='0'):
+    if value in (None, ''):
+        return default
+    try:
+        normalized = Decimal(str(value))
+    except (InvalidOperation, TypeError, ValueError):
+        return str(value)
+    text = format(normalized.normalize(), 'f')
+    if '.' in text:
+        text = text.rstrip('0').rstrip('.')
+    return text.replace('.', ',') or default
+
+
+def _format_decimal_fixed(value, *, default='0.00', places=2):
+    if value in (None, ''):
+        return default
+    try:
+        normalized = Decimal(str(value))
+    except (InvalidOperation, TypeError, ValueError):
+        return str(value)
+    quantizer = Decimal('1').scaleb(-places)
+    return format(normalized.quantize(quantizer), 'f')
+
+
+def _work_order_travel_expenses_context(work_order):
+    related_tasks = list(_work_order_related_tasks_queryset(work_order))
+    trip_entries = []
+    for task in related_tasks:
+        trip_entries.extend(_task_work_hours_entries(task))
+
+    travel_start = getattr(work_order, 'travel_start_at', None)
+    travel_end = getattr(work_order, 'travel_end_at', None)
+    trip_start_date = travel_start.date() if travel_start else getattr(work_order, 'date', None)
+    trip_end_date = travel_end.date() if travel_end else getattr(work_order, 'date', None)
+    total_hours = sum((entry['total_hours'] for entry in trip_entries), Decimal('0.00'))
+
+    if trip_entries:
+        entry_dates = [entry['date'] for entry in trip_entries if entry.get('date')]
+        start_candidates = [entry['start_dt'] for entry in trip_entries if entry.get('start_dt')]
+        end_candidates = [entry['end_dt'] for entry in trip_entries if entry.get('end_dt')]
+        if entry_dates:
+            trip_start_date = min(entry_dates)
+            trip_end_date = max(entry_dates)
+        if start_candidates:
+            travel_start = min(start_candidates)
+        if end_candidates:
+            travel_end = max(end_candidates)
+
+    table = getattr(work_order, 'travel_expenses_table', None)
+    if table:
+        broj_sati = Decimal(str(table.broj_sati or '0'))
+        kolicina_dnevnica = Decimal(str(table.kolicina_dnevnica or '0'))
+        iznos_dnevnica = Decimal(str(table.iznos_dnevnica or '0'))
+        daily_rate_country = str(table.daily_rate_country or WorkOrderTravelExpensesTable.DEFAULT_RATE_COUNTRY)
+        total_for_payout = Decimal(str(table.total_for_payout or '0')).quantize(Decimal('0.01'))
+    else:
+        broj_sati = total_hours.quantize(Decimal('0.01'))
+        kolicina_dnevnica = Decimal(str(_calculate_daily_quantity_from_hours(broj_sati)))
+        daily_rate_country = WorkOrderTravelExpensesTable.DEFAULT_RATE_COUNTRY
+        iznos_dnevnica = WorkOrderTravelExpensesTable.DEFAULT_RATE_AMOUNT
+        total_for_payout = (kolicina_dnevnica * iznos_dnevnica).quantize(Decimal('0.01'))
+
+    return {
+        'related_tasks': related_tasks,
+        'trip_entries': trip_entries,
+        'travel_start': travel_start,
+        'travel_end': travel_end,
+        'trip_start_date': trip_start_date,
+        'trip_end_date': trip_end_date,
+        'broj_sati': broj_sati,
+        'kolicina_dnevnica': kolicina_dnevnica,
+        'iznos_dnevnica': iznos_dnevnica,
+        'daily_rate_country': daily_rate_country,
+        'total_for_payout': total_for_payout,
+    }
+
 
 def _can_access_service_record(user, service_record):
     service_record_id = getattr(service_record, 'pk', service_record)
@@ -715,35 +795,18 @@ def _build_work_order_pdf(work_order):
     )
     creator_residence = (getattr(creator, 'residence', None) or '').strip() or "-"
     creator_work_position = (getattr(creator, 'work_position', None) or '').strip() or creator_occupation
-    related_tasks = list(_work_order_related_tasks_queryset(work_order))
-    trip_entries = []
-    for task in related_tasks:
-        trip_entries.extend(_task_work_hours_entries(task))
-
-    travel_start = work_order.travel_start_at
-    travel_end = work_order.travel_end_at
-    trip_start_date = travel_start.date() if travel_start else getattr(work_order, 'date', None)
-    trip_end_date = travel_end.date() if travel_end else getattr(work_order, 'date', None)
-    travel_hours = _hours_between(travel_start, travel_end)
-
-    if trip_entries:
-        entry_dates = [entry['date'] for entry in trip_entries if entry.get('date')]
-        start_candidates = [entry['start_dt'] for entry in trip_entries if entry.get('start_dt')]
-        end_candidates = [entry['end_dt'] for entry in trip_entries if entry.get('end_dt')]
-        total_hours = sum((entry['total_hours'] for entry in trip_entries), Decimal('0.00'))
-        travel_hours = float(total_hours.quantize(Decimal('0.01')))
-        if entry_dates:
-            trip_start_date = min(entry_dates)
-            trip_end_date = max(entry_dates)
-        if start_candidates:
-            travel_start = min(start_candidates)
-        if end_candidates:
-            travel_end = max(end_candidates)
-
-    daily_qty = _calculate_daily_quantity_from_hours(travel_hours)
-    daily_rate = 0.0
-    daily_total = daily_qty * daily_rate
-    transport_total = float(work_order.servicer_vehicle_fuel_cost or 0.0)
+    travel_context = _work_order_travel_expenses_context(work_order)
+    related_tasks = travel_context['related_tasks']
+    trip_entries = travel_context['trip_entries']
+    travel_start = travel_context['travel_start']
+    travel_end = travel_context['travel_end']
+    trip_start_date = travel_context['trip_start_date']
+    trip_end_date = travel_context['trip_end_date']
+    travel_hours = travel_context['broj_sati']
+    daily_qty = travel_context['kolicina_dnevnica']
+    daily_rate = travel_context['iznos_dnevnica']
+    daily_total = travel_context['total_for_payout']
+    transport_total = _parse_decimal(work_order.servicer_vehicle_fuel_cost)
     place_label = (work_order.location or 'Zagreb').split(',')[0].strip() or 'Zagreb'
     origin_label = (work_order.origin_location or 'Zagreb').split(',')[0].strip() or 'Zagreb'
     additional_table = getattr(work_order, 'additional_costs_table', None)
@@ -752,7 +815,7 @@ def _build_work_order_pdf(work_order):
     if additional_table and isinstance(additional_table.data, dict):
         additional_rows_data = additional_table.data.get('rows', []) if isinstance(additional_table.data.get('rows', []), list) else []
         additional_total_decimal = _parse_decimal(additional_table.total_for_payout)
-    grand_total = daily_total + transport_total + float(additional_total_decimal)
+    grand_total = daily_total + transport_total + additional_total_decimal
 
     attachment_names = [
         str(row.get('prilog', '')).strip()
@@ -926,8 +989,8 @@ def _build_work_order_pdf(work_order):
             _fmt_time(travel_start),
             _fmt_date(trip_end_date or work_order.date),
             _fmt_time(travel_end),
-            str(travel_hours).replace('.', ','),
-            str(daily_qty).replace('.', ','),
+            _format_decimal_display(travel_hours),
+            _format_decimal_display(daily_qty),
             _fmt_eur(daily_rate),
             _fmt_eur(daily_total),
         ],
@@ -3720,11 +3783,26 @@ class WorkOrderViewSet(viewsets.ModelViewSet):
             if additional_costs_table
             else {'work_order': str(work_order.pk), 'data': {'rows': []}, 'total_for_payout': '0.00'}
         )
+        travel_expenses_context = _work_order_travel_expenses_context(work_order)
+        travel_expenses_table = getattr(work_order, 'travel_expenses_table', None)
+        travel_expenses_payload = (
+            WorkOrderTravelExpensesTableSerializer(travel_expenses_table).data
+            if travel_expenses_table
+            else {
+                'work_order': str(work_order.pk),
+                'broj_sati': _format_decimal_fixed(travel_expenses_context['broj_sati']),
+                'kolicina_dnevnica': _format_decimal_fixed(travel_expenses_context['kolicina_dnevnica']),
+                'iznos_dnevnica': _format_decimal_fixed(travel_expenses_context['iznos_dnevnica']),
+                'daily_rate_country': WorkOrderTravelExpensesTable.DEFAULT_RATE_COUNTRY,
+                'total_for_payout': _format_decimal_fixed(travel_expenses_context['total_for_payout']),
+            }
+        )
 
         return Response({
             'work_order_id': work_order.pk,
             'tasks': payload,
             'additional_costs_table': additional_costs_payload,
+            'travel_expenses_table': travel_expenses_payload,
         }, status=status.HTTP_200_OK)
 
     @action(detail=True, methods=['get', 'put', 'patch'], url_path='additional-costs-table')
@@ -3757,6 +3835,40 @@ class WorkOrderViewSet(viewsets.ModelViewSet):
         _invalidate_work_order_pdf_cache(work_order, pdf_types=['work_order', 'invoices'])
         return Response(WorkOrderAdditionalCostsTableSerializer(instance).data, status=status.HTTP_200_OK)
 
+    @action(detail=True, methods=['get', 'put', 'patch'], url_path='travel-expenses-table')
+    def travel_expenses_table(self, request, pk=None):
+        work_order = self.get_object()
+        table = getattr(work_order, 'travel_expenses_table', None)
+        fallback = _work_order_travel_expenses_context(work_order)
+
+        if request.method.lower() == 'get':
+            if table:
+                return Response(WorkOrderTravelExpensesTableSerializer(table).data, status=status.HTTP_200_OK)
+            return Response({
+                'work_order': str(work_order.pk),
+                'broj_sati': _format_decimal_fixed(fallback['broj_sati']),
+                'kolicina_dnevnica': _format_decimal_fixed(fallback['kolicina_dnevnica']),
+                'iznos_dnevnica': _format_decimal_fixed(fallback['iznos_dnevnica']),
+                'daily_rate_country': fallback['daily_rate_country'],
+                'total_for_payout': _format_decimal_fixed(fallback['total_for_payout']),
+            }, status=status.HTTP_200_OK)
+
+        serializer = WorkOrderTravelExpensesTableSerializer(
+            table,
+            data={
+                'work_order': str(work_order.pk),
+                'broj_sati': request.data.get('broj_sati', fallback['broj_sati']),
+                'kolicina_dnevnica': request.data.get('kolicina_dnevnica', fallback['kolicina_dnevnica']),
+                'iznos_dnevnica': request.data.get('iznos_dnevnica', fallback['iznos_dnevnica']),
+                'daily_rate_country': request.data.get('daily_rate_country', fallback['daily_rate_country']),
+            },
+            partial=bool(table),
+        )
+        serializer.is_valid(raise_exception=True)
+        instance = serializer.save(work_order=work_order)
+        _invalidate_work_order_pdf_cache(work_order, pdf_types=['work_order'])
+        return Response(WorkOrderTravelExpensesTableSerializer(instance).data, status=status.HTTP_200_OK)
+
     @action(detail=True, methods=['post'], url_path='send-email')
     def send_email(self, request, pk=None):
         work_order = self.get_object()