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()

frontend/src/components/dashboard/WorkOrderInvoicesPdfPage.jsx

@@ -10,10 +10,12 @@ import {
     fetchWorkOrderAdditionalCostsTable,
     fetchWorkOrderById,
     fetchWorkOrderInvoices,
+    fetchWorkOrderTravelExpensesTable,
     fetchWorkOrderTaskServiceContext,
     updateTaskWorkHoursTable,
     updateTaskServiceReportNote,
     updateWorkOrderAdditionalCostsTable,
+    updateWorkOrderTravelExpensesTable,
 } from '../../stores/fleetDashboardStore';
 import { $accessToken, $authReady, hydrateAuthFromStorage } from '../../stores/authStore';
 import { fetchNotifications, connectNotifications } from '../../stores/notificationStore';
@@ -21,6 +23,7 @@ import { formatWorkOrderDisplayCode } from '../../lib/displayIds';
 import { useAuthenticatedMediaSources } from './WorkOrderImageCarousel';
 import TaskWorkHoursTableModal from './TaskWorkHoursTableModal';
 import WorkOrderAdditionalCostsModal from './WorkOrderAdditionalCostsModal';
+import WorkOrderTravelExpensesModal from './WorkOrderTravelExpensesModal';
 import WorkOrderServiceNotesModal from './WorkOrderServiceNotesModal';
 
 function readWorkOrderIdFromQuery() {
@@ -147,6 +150,7 @@ export default function WorkOrderInvoicesPdfPage() {
     const [workOrder, setWorkOrder] = useState(null);
     const [invoices, setInvoices] = useState([]);
     const [taskContext, setTaskContext] = useState({ tasks: [] });
+    const [travelExpensesTable, setTravelExpensesTable] = useState({ broj_sati: '0.00', kolicina_dnevnica: '0.00', iznos_dnevnica: '30.00', daily_rate_country: 'HR', total_for_payout: '0.00' });
     const [loading, setLoading] = useState(true);
     const [error, setError] = useState('');
     const [editingTask, setEditingTask] = useState(null);
@@ -154,6 +158,8 @@ export default function WorkOrderInvoicesPdfPage() {
     const [additionalCostsTable, setAdditionalCostsTable] = useState({ data: { rows: [] }, total_for_payout: '0.00' });
     const [editingAdditionalCosts, setEditingAdditionalCosts] = useState(false);
     const [savingAdditionalCosts, setSavingAdditionalCosts] = useState(false);
+    const [editingTravelExpenses, setEditingTravelExpenses] = useState(false);
+    const [savingTravelExpenses, setSavingTravelExpenses] = useState(false);
     const [editingTaskNote, setEditingTaskNote] = useState(null);
     const [savingTaskNote, setSavingTaskNote] = useState(false);
     const [taskNoteError, setTaskNoteError] = useState('');
@@ -192,11 +198,12 @@ export default function WorkOrderInvoicesPdfPage() {
 
         (async () => {
             try {
-                const [contextPayload, order, invoiceItems, additionalCostsPayload] = await Promise.all([
+                const [contextPayload, order, invoiceItems, additionalCostsPayload, travelExpensesPayload] = await Promise.all([
                     fetchWorkOrderTaskServiceContext(workOrderId),
                     fetchWorkOrderById(workOrderId),
                     fetchWorkOrderInvoices(workOrderId),
                     fetchWorkOrderAdditionalCostsTable(workOrderId),
+                    fetchWorkOrderTravelExpensesTable(workOrderId),
                 ]);
                 if (cancelled) {
                     return;
@@ -205,6 +212,13 @@ export default function WorkOrderInvoicesPdfPage() {
                 setWorkOrder(order);
                 setInvoices(invoiceItems);
                 setAdditionalCostsTable(additionalCostsPayload || contextPayload?.additional_costs_table || { data: { rows: [] }, total_for_payout: '0.00' });
+                setTravelExpensesTable(travelExpensesPayload || contextPayload?.travel_expenses_table || {
+                    broj_sati: '0.00',
+                    kolicina_dnevnica: '0.00',
+                    iznos_dnevnica: '30.00',
+                    daily_rate_country: 'HR',
+                    total_for_payout: '0.00',
+                });
             } catch (err) {
                 if (!cancelled) {
                     setError(err?.message || 'Neuspješno dohvaćanje podataka o računima.');
@@ -311,6 +325,24 @@ export default function WorkOrderInvoicesPdfPage() {
         }
     };
 
+    const handleSaveTravelExpensesTable = async (tableData) => {
+        if (!workOrderId) return;
+        setSavingTravelExpenses(true);
+        try {
+            const response = await updateWorkOrderTravelExpensesTable(workOrderId, tableData);
+            setTravelExpensesTable(response || {
+                broj_sati: '0.00',
+                kolicina_dnevnica: '0.00',
+                iznos_dnevnica: '30.00',
+                daily_rate_country: 'HR',
+                total_for_payout: '0.00',
+            });
+            setEditingTravelExpenses(false);
+        } finally {
+            setSavingTravelExpenses(false);
+        }
+    };
+
     return (
         <section className="mx-auto w-full max-w-5xl space-y-4 p-4 sm:p-6">
             <div className="rounded-xl border border-border-hairline bg-canvas-elevated p-4">
@@ -338,6 +370,14 @@ export default function WorkOrderInvoicesPdfPage() {
                         >
                             Preuzmi DOCX putnog naloga
                         </button>
+                        <button
+                            type="button"
+                            onClick={() => setEditingTravelExpenses(true)}
+                            disabled={!workOrderId}
+                            className="rounded-lg border border-border-hairline px-4 py-2 text-sm font-semibold text-text-main hover:bg-canvas-deep disabled:opacity-60"
+                        >
+                            Uredi obračun putnih troškova
+                        </button>
                     </div>
                 </div>
             </div>
@@ -570,6 +610,14 @@ export default function WorkOrderInvoicesPdfPage() {
                 onClose={() => setEditingAdditionalCosts(false)}
                 onSave={handleSaveAdditionalCostsTable}
             />
+            <WorkOrderTravelExpensesModal
+                open={editingTravelExpenses}
+                workOrder={workOrder}
+                tableData={travelExpensesTable}
+                saving={savingTravelExpenses}
+                onClose={() => setEditingTravelExpenses(false)}
+                onSave={handleSaveTravelExpensesTable}
+            />
             <WorkOrderServiceNotesModal
                 open={!!editingTaskNote}
                 task={editingTaskNote}

frontend/src/components/dashboard/WorkOrderTravelExpensesModal.jsx

@@ -0,0 +1,203 @@
+import { useEffect, useMemo, useState } from 'preact/hooks';
+import ModalShell from '../ui/ModalShell';
+
+const RATE_OPTIONS = [
+    { value: 'HR', label: 'Hrvatska', amount: '30.00' },
+    { value: 'BIH', label: 'BiH', amount: '50.00' },
+    { value: 'SI', label: 'Slovenija', amount: '80.00' },
+    { value: 'CG', label: 'Crna Gora', amount: '50.00' },
+];
+
+const DEFAULT_ROW = {
+    broj_sati: '0.00',
+    kolicina_dnevnica: '0.00',
+    iznos_dnevnica: '30.00',
+    daily_rate_country: 'HR',
+};
+
+function parseAmount(value) {
+    const normalized = String(value || '').trim().replace('€', '').replace(/\s+/g, '').replace(',', '.');
+    const parsed = Number(normalized);
+    return Number.isFinite(parsed) ? parsed : 0;
+}
+
+function toDisplayValue(value) {
+    if (value == null || value === '') return '0.00';
+    const numeric = Number(String(value).replace(',', '.'));
+    return Number.isFinite(numeric) ? numeric.toFixed(2) : String(value);
+}
+
+function getRateAmount(country) {
+    const option = RATE_OPTIONS.find((item) => item.value === country);
+    return option ? option.amount : DEFAULT_ROW.iznos_dnevnica;
+}
+
+export default function WorkOrderTravelExpensesModal({
+    open,
+    workOrder,
+    tableData,
+    saving = false,
+    onClose,
+    onSave,
+}) {
+    const [row, setRow] = useState(DEFAULT_ROW);
+
+    useEffect(() => {
+        if (!open) {
+            setRow(DEFAULT_ROW);
+            return;
+        }
+        const incoming = tableData && typeof tableData === 'object' ? tableData : {};
+        const country = String(incoming.daily_rate_country || DEFAULT_ROW.daily_rate_country).toUpperCase();
+        const amount = incoming.iznos_dnevnica != null && incoming.iznos_dnevnica !== ''
+            ? incoming.iznos_dnevnica
+            : getRateAmount(country);
+        setRow({
+            broj_sati: toDisplayValue(incoming.broj_sati),
+            kolicina_dnevnica: toDisplayValue(incoming.kolicina_dnevnica),
+            iznos_dnevnica: toDisplayValue(amount),
+            daily_rate_country: country,
+        });
+    }, [open, tableData]);
+
+    const total = useMemo(() => (
+        (parseAmount(row.kolicina_dnevnica) * parseAmount(row.iznos_dnevnica)).toFixed(2)
+    ), [row]);
+
+    if (!open) return null;
+
+    const updateField = (field, value) => {
+        setRow((prev) => ({ ...prev, [field]: value }));
+    };
+
+    const updateCountry = (country) => {
+        setRow((prev) => ({
+            ...prev,
+            daily_rate_country: country,
+            iznos_dnevnica: getRateAmount(country),
+        }));
+    };
+
+    const handleSave = async () => {
+        await onSave?.({
+            broj_sati: String(row.broj_sati || '').trim(),
+            kolicina_dnevnica: String(row.kolicina_dnevnica || '').trim(),
+            iznos_dnevnica: String(row.iznos_dnevnica || '').trim(),
+            daily_rate_country: String(row.daily_rate_country || '').trim(),
+        });
+    };
+
+    return (
+        <ModalShell
+            onClose={onClose}
+            overlayClassName="z-[70] overflow-y-auto p-4 pt-16"
+            contentClassName="flex min-h-full items-start justify-center"
+            panelClassName="w-full max-w-4xl rounded-xl border border-border-hairline bg-canvas-elevated shadow-xl overflow-hidden max-h-[calc(100vh-2rem)]"
+        >
+            <div className="flex w-full flex-col">
+                <div className="flex items-center justify-between border-b border-border-hairline px-5 py-3">
+                    <div>
+                        <h3 className="text-base font-semibold text-text-main">OBRAČUN PUTNIH TROŠKOVA</h3>
+                        <p className="text-xs text-text-muted">{workOrder?.display_code || workOrder?.id || '-'}</p>
+                    </div>
+                    <button
+                        type="button"
+                        onClick={onClose}
+                        aria-label="Zatvori"
+                        className="ml-4 rounded-lg p-1.5 text-gray-400 hover:bg-gray-100 hover:text-gray-600 dark:hover:bg-gray-700"
+                    >
+                        ✕
+                    </button>
+                </div>
+
+                <div className="space-y-4 overflow-y-auto px-5 py-4">
+                    <div className="rounded-lg border border-gray-200 bg-white p-4 text-xs text-gray-600 dark:border-gray-700 dark:bg-gray-900 dark:text-gray-300">
+                        <p className="font-semibold text-gray-800 dark:text-gray-100">Brzi odabir dnevnice</p>
+                        <p>Odabir države automatski postavlja iznos dnevnice. Po potrebi iznos možete ručno izmijeniti.</p>
+                    </div>
+
+                    <div className="overflow-auto rounded-xl border border-gray-200 shadow-sm dark:border-gray-700">
+                        <table className="min-w-[900px] w-full bg-white text-xs dark:bg-gray-900">
+                            <thead>
+                                <tr className="border-b border-gray-200 bg-gray-50 text-left dark:border-gray-700 dark:bg-gray-800">
+                                    <th className="w-8 px-2 py-2.5 text-center text-gray-400">#</th>
+                                    <th className="px-2 py-2.5 font-semibold text-gray-700 dark:text-gray-200">Broj sati</th>
+                                    <th className="px-2 py-2.5 font-semibold text-gray-700 dark:text-gray-200">Količina dnevnica</th>
+                                    <th className="px-2 py-2.5 font-semibold text-gray-700 dark:text-gray-200">Država</th>
+                                    <th className="px-2 py-2.5 font-semibold text-gray-700 dark:text-gray-200">Iznos dnevnice</th>
+                                    <th className="px-2 py-2.5 font-semibold text-gray-700 dark:text-gray-200">Ukupan iznos</th>
+                                </tr>
+                            </thead>
+                            <tbody>
+                                <tr className="border-t border-gray-100 dark:border-gray-700">
+                                    <td className="px-2 py-1.5 text-center text-[11px] text-gray-400">1</td>
+                                    <td className="px-1 py-1">
+                                        <input
+                                            type="text"
+                                            value={row.broj_sati}
+                                            onInput={(event) => updateField('broj_sati', event.currentTarget.value)}
+                                            className="block w-full rounded-lg border border-gray-300 bg-gray-50 px-2.5 py-2 text-xs text-gray-900"
+                                        />
+                                    </td>
+                                    <td className="px-1 py-1">
+                                        <input
+                                            type="text"
+                                            value={row.kolicina_dnevnica}
+                                            onInput={(event) => updateField('kolicina_dnevnica', event.currentTarget.value)}
+                                            className="block w-full rounded-lg border border-gray-300 bg-gray-50 px-2.5 py-2 text-xs text-gray-900"
+                                        />
+                                    </td>
+                                    <td className="px-1 py-1">
+                                        <select
+                                            value={row.daily_rate_country}
+                                            onChange={(event) => updateCountry(event.currentTarget.value)}
+                                            className="block w-full rounded-lg border border-gray-300 bg-gray-50 px-2.5 py-2 text-xs text-gray-900"
+                                        >
+                                            {RATE_OPTIONS.map((option) => (
+                                                <option key={option.value} value={option.value}>
+                                                    {option.label}
+                                                </option>
+                                            ))}
+                                        </select>
+                                    </td>
+                                    <td className="px-1 py-1">
+                                        <input
+                                            type="text"
+                                            value={row.iznos_dnevnica}
+                                            onInput={(event) => updateField('iznos_dnevnica', event.currentTarget.value)}
+                                            className="block w-full rounded-lg border border-gray-300 bg-gray-50 px-2.5 py-2 text-xs text-gray-900"
+                                        />
+                                    </td>
+                                    <td className="px-1 py-1">
+                                        <div className="rounded-lg border border-gray-300 bg-gray-100 px-2.5 py-2 text-right text-xs font-semibold text-gray-800">
+                                            {total} €
+                                        </div>
+                                    </td>
+                                </tr>
+                            </tbody>
+                        </table>
+                    </div>
+                </div>
+
+                <div className="flex items-center justify-end gap-3 border-t border-border-hairline px-5 py-3">
+                    <button
+                        type="button"
+                        onClick={onClose}
+                        disabled={saving}
+                        className="rounded-lg border border-gray-300 bg-white px-4 py-2 text-sm font-medium text-gray-700 hover:bg-gray-50 disabled:opacity-50"
+                    >
+                        Odustani
+                    </button>
+                    <button
+                        type="button"
+                        onClick={handleSave}
+                        disabled={saving}
+                        className="rounded-lg bg-blue-600 px-5 py-2 text-sm font-semibold text-white hover:bg-blue-700 disabled:opacity-60"
+                    >
+                        {saving ? 'Spremam…' : 'Spremi obračun'}
+                    </button>
+                </div>
+            </div>
+        </ModalShell>
+    );
+}

frontend/src/stores/fleetDashboardStore.js

@@ -737,10 +737,12 @@ export async function fetchTasksByWorkOrder(workOrderId) {
 
 export async function fetchWorkOrderTaskServiceContext(workOrderId) {
     if (!workOrderId) {
-        return { tasks: [], additional_costs_table: null };
+        return { tasks: [], additional_costs_table: null, travel_expenses_table: null };
     }
     const payload = await api.get(`fleet/work-orders/${encodeURIComponent(workOrderId)}/task-service-context/`);
-    return payload && typeof payload === 'object' ? payload : { tasks: [], additional_costs_table: null };
+    return payload && typeof payload === 'object'
+        ? payload
+        : { tasks: [], additional_costs_table: null, travel_expenses_table: null };
 }
 
 export async function fetchWorkOrderAdditionalCostsTable(workOrderId) {
@@ -765,6 +767,42 @@ export async function updateWorkOrderAdditionalCostsTable(workOrderId, data) {
     return payload;
 }
 
+export async function fetchWorkOrderTravelExpensesTable(workOrderId) {
+    if (!workOrderId) {
+        return {
+            work_order: null,
+            broj_sati: '0.00',
+            kolicina_dnevnica: '0.00',
+            iznos_dnevnica: '30.00',
+            daily_rate_country: 'HR',
+            total_for_payout: '0.00',
+        };
+    }
+    const payload = await api.get(`fleet/work-orders/${encodeURIComponent(workOrderId)}/travel-expenses-table/`);
+    return payload && typeof payload === 'object'
+        ? payload
+        : {
+            work_order: null,
+            broj_sati: '0.00',
+            kolicina_dnevnica: '0.00',
+            iznos_dnevnica: '30.00',
+            daily_rate_country: 'HR',
+            total_for_payout: '0.00',
+        };
+}
+
+export async function updateWorkOrderTravelExpensesTable(workOrderId, data) {
+    if (!workOrderId) {
+        throw new Error('Work order ID je obavezan.');
+    }
+    const payload = await api.put(
+        `fleet/work-orders/${encodeURIComponent(workOrderId)}/travel-expenses-table/`,
+        data ?? {},
+    );
+    showToast('Obračun putnih troškova je uspješno spremljen.', 'success');
+    return payload;
+}
+
 export async function updateTaskWorkHoursTable(taskId, data) {
     if (!taskId) {
         throw new Error('Task ID je obavezan.');