施肥散布実績機能を実装し運搬・作業記録・在庫連携を追加

backend/apps/workrecords/__init__.py

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+

backend/apps/workrecords/admin.py

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+from django.contrib import admin
+
+from .models import WorkRecord
+
+
+@admin.register(WorkRecord)
+class WorkRecordAdmin(admin.ModelAdmin):
+    list_display = ['work_date', 'work_type', 'title', 'year', 'auto_created']
+    list_filter = ['work_type', 'year', 'auto_created']
+    search_fields = ['title']
+

backend/apps/workrecords/apps.py

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+from django.apps import AppConfig
+
+
+class WorkrecordsConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'apps.workrecords'
+    verbose_name = '作業記録'
+

backend/apps/workrecords/migrations/0001_initial.py

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+# Generated by Django 5.0 on 2026-03-17 08:49
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('fertilizer', '0008_spreadingsession_fertilizationentry_actual_bags_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='WorkRecord',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('work_date', models.DateField(verbose_name='作業日')),
+                ('work_type', models.CharField(choices=[('fertilizer_delivery', '肥料運搬'), ('fertilizer_spreading', '肥料散布')], max_length=40, verbose_name='作業種別')),
+                ('title', models.CharField(max_length=200, verbose_name='タイトル')),
+                ('year', models.IntegerField(verbose_name='年度')),
+                ('auto_created', models.BooleanField(default=True, verbose_name='自動生成')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('delivery_trip', models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='work_record', to='fertilizer.deliverytrip', verbose_name='運搬回')),
+                ('spreading_session', models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='work_record', to='fertilizer.spreadingsession', verbose_name='散布実績')),
+            ],
+            options={
+                'verbose_name': '作業記録',
+                'verbose_name_plural': '作業記録',
+                'ordering': ['-work_date', '-updated_at', '-id'],
+            },
+        ),
+    ]

backend/apps/workrecords/migrations/__init__.py

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+

backend/apps/workrecords/models.py

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+from django.db import models
+
+
+class WorkRecord(models.Model):
+    class WorkType(models.TextChoices):
+        FERTILIZER_DELIVERY = 'fertilizer_delivery', '肥料運搬'
+        FERTILIZER_SPREADING = 'fertilizer_spreading', '肥料散布'
+
+    work_date = models.DateField(verbose_name='作業日')
+    work_type = models.CharField(
+        max_length=40,
+        choices=WorkType.choices,
+        verbose_name='作業種別',
+    )
+    title = models.CharField(max_length=200, verbose_name='タイトル')
+    year = models.IntegerField(verbose_name='年度')
+    auto_created = models.BooleanField(default=True, verbose_name='自動生成')
+    delivery_trip = models.OneToOneField(
+        'fertilizer.DeliveryTrip',
+        on_delete=models.CASCADE,
+        null=True,
+        blank=True,
+        related_name='work_record',
+        verbose_name='運搬回',
+    )
+    spreading_session = models.OneToOneField(
+        'fertilizer.SpreadingSession',
+        on_delete=models.CASCADE,
+        null=True,
+        blank=True,
+        related_name='work_record',
+        verbose_name='散布実績',
+    )
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        ordering = ['-work_date', '-updated_at', '-id']
+        verbose_name = '作業記録'
+        verbose_name_plural = '作業記録'
+
+    def __str__(self):
+        return f'{self.work_date} {self.get_work_type_display()}'
+

backend/apps/workrecords/serializers.py

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+from rest_framework import serializers
+
+from .models import WorkRecord
+
+
+class WorkRecordSerializer(serializers.ModelSerializer):
+    work_type_display = serializers.CharField(source='get_work_type_display', read_only=True)
+    delivery_plan_id = serializers.SerializerMethodField()
+    delivery_plan_name = serializers.SerializerMethodField()
+
+    class Meta:
+        model = WorkRecord
+        fields = [
+            'id',
+            'work_date',
+            'work_type',
+            'work_type_display',
+            'title',
+            'year',
+            'auto_created',
+            'delivery_trip',
+            'delivery_plan_id',
+            'delivery_plan_name',
+            'spreading_session',
+            'created_at',
+            'updated_at',
+        ]
+
+    def get_delivery_plan_id(self, obj):
+        if obj.delivery_trip_id:
+            return obj.delivery_trip.delivery_plan_id
+        return None
+
+    def get_delivery_plan_name(self, obj):
+        if obj.delivery_trip_id:
+            return obj.delivery_trip.delivery_plan.name
+        return None
+

backend/apps/workrecords/services.py

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+from .models import WorkRecord
+
+
+def sync_delivery_work_record(trip):
+    if trip.date is None:
+        WorkRecord.objects.filter(delivery_trip=trip).delete()
+        return
+
+    WorkRecord.objects.update_or_create(
+        delivery_trip=trip,
+        defaults={
+            'work_date': trip.date,
+            'work_type': WorkRecord.WorkType.FERTILIZER_DELIVERY,
+            'title': f'肥料運搬: {trip.delivery_plan.name} {trip.order + 1}回目',
+            'year': trip.delivery_plan.year,
+            'auto_created': True,
+            'spreading_session': None,
+        },
+    )
+
+
+def sync_spreading_work_record(session):
+    WorkRecord.objects.update_or_create(
+        spreading_session=session,
+        defaults={
+            'work_date': session.date,
+            'work_type': WorkRecord.WorkType.FERTILIZER_SPREADING,
+            'title': f'肥料散布: {session.name.strip() or session.date}',
+            'year': session.year,
+            'auto_created': True,
+            'delivery_trip': None,
+        },
+    )

backend/apps/workrecords/urls.py

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+from django.urls import include, path
+from rest_framework.routers import DefaultRouter
+
+from .views import WorkRecordViewSet
+
+router = DefaultRouter()
+router.register(r'', WorkRecordViewSet, basename='workrecord')
+
+urlpatterns = [
+    path('', include(router.urls)),
+]
+

backend/apps/workrecords/views.py

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+from rest_framework import viewsets
+from rest_framework.permissions import IsAuthenticated
+
+from .models import WorkRecord
+from .serializers import WorkRecordSerializer
+
+
+class WorkRecordViewSet(viewsets.ReadOnlyModelViewSet):
+    serializer_class = WorkRecordSerializer
+    permission_classes = [IsAuthenticated]
+
+    def get_queryset(self):
+        queryset = WorkRecord.objects.select_related(
+            'delivery_trip',
+            'delivery_trip__delivery_plan',
+            'spreading_session',
+        )
+        year = self.request.query_params.get('year')
+        if year:
+            queryset = queryset.filter(year=year)
+        return queryset
+