forked from erp-dev/erp
310 lines
11 KiB
Python
310 lines
11 KiB
Python
from datetime import date
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from django.shortcuts import get_object_or_404
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from rest_framework import permissions, serializers, status
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from rest_framework.parsers import FormParser, JSONParser, MultiPartParser
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from rest_framework.response import Response
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from rest_framework.views import APIView
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from basic_info.models import Merchant
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from cost import models as cost_models
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from cost import services as cost_services
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def _get_employee(request):
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employee = getattr(request.user, 'employee', None)
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if employee is None:
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raise serializers.ValidationError('当前用户未关联员工')
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return employee
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def _category_payload(category: cost_models.CostCategory) -> dict:
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return {
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'id': category.id,
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'merchant_id': category.merchant_id,
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'unique_key': category.unique_key,
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'name': category.name,
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'parent_id': category.parent_id,
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'description': category.description,
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'created_at': category.created_at.isoformat().replace('+00:00', 'Z'),
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'updated_at': category.updated_at.isoformat().replace('+00:00', 'Z'),
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}
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def _entry_payload(entry: cost_models.CostEntry) -> dict:
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return {
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'id': entry.id,
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'merchant_id': entry.merchant_id,
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'category_id': entry.category_id,
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'category_name': entry.category.name if entry.category_id else '',
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'amount': str(entry.amount),
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'occurred_at': entry.occurred_at.isoformat(),
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'operator_id': entry.operator_id,
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'image1': _image_url(entry.image1),
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'image2': _image_url(entry.image2),
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'source_module': entry.source_module or '',
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'source_id': entry.source_id or '',
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'remarks': entry.remarks or '',
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'created_at': entry.created_at.isoformat().replace('+00:00', 'Z'),
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'updated_at': entry.updated_at.isoformat().replace('+00:00', 'Z'),
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}
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def _image_url(image_field) -> str:
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if not image_field:
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return ''
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try:
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return image_field.url
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except (ValueError, AttributeError):
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return ''
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# ==================== Category Write Serializers ====================
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class CategoryWriteSerializer(serializers.Serializer):
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unique_key = serializers.CharField(max_length=100)
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name = serializers.CharField(max_length=100)
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parent_id = serializers.IntegerField(required=False, allow_null=True)
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description = serializers.CharField(required=False, allow_blank=True, default='')
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class CategoryUpdateSerializer(serializers.Serializer):
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unique_key = serializers.CharField(required=False, max_length=100)
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name = serializers.CharField(required=False, max_length=100)
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parent_id = serializers.IntegerField(required=False, allow_null=True)
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description = serializers.CharField(required=False, allow_blank=True)
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# ==================== Entry Write Serializers ====================
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class EntryWriteSerializer(serializers.Serializer):
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category_id = serializers.IntegerField(min_value=1)
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amount = serializers.DecimalField(max_digits=15, decimal_places=2, min_value=0)
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occurred_at = serializers.DateField()
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image1 = serializers.ImageField(required=False, allow_null=True)
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image2 = serializers.ImageField(required=False, allow_null=True)
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source_module = serializers.CharField(required=False, allow_blank=True, default='')
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source_id = serializers.CharField(required=False, allow_blank=True, default='')
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remarks = serializers.CharField(required=False, allow_blank=True, default='')
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class EntryUpdateSerializer(serializers.Serializer):
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category_id = serializers.IntegerField(required=False, min_value=1)
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amount = serializers.DecimalField(required=False, max_digits=15, decimal_places=2, min_value=0)
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occurred_at = serializers.DateField(required=False)
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image1 = serializers.ImageField(required=False, allow_null=True)
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image2 = serializers.ImageField(required=False, allow_null=True)
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source_module = serializers.CharField(required=False, allow_blank=True)
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source_id = serializers.CharField(required=False, allow_blank=True)
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remarks = serializers.CharField(required=False, allow_blank=True)
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# ==================== Category Views ====================
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class CostCategoryListCreateView(APIView):
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permission_classes = [permissions.IsAuthenticated]
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def get(self, request):
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employee = _get_employee(request)
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merchant_id = request.query_params.get('merchant_id')
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queryset = cost_models.CostCategory.objects.filter(
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merchant_id=merchant_id if merchant_id else employee.merchant_id,
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).order_by('name')
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return Response([_category_payload(c) for c in queryset])
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def post(self, request):
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employee = _get_employee(request)
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serializer = CategoryWriteSerializer(data=request.data)
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serializer.is_valid(raise_exception=True)
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data = serializer.validated_data
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category = cost_models.CostCategory.objects.create(
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merchant=employee.merchant,
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unique_key=data['unique_key'],
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name=data['name'],
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parent_id=data.get('parent_id'),
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description=data.get('description', ''),
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)
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return Response(_category_payload(category), status=status.HTTP_201_CREATED)
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class CostCategoryDetailView(APIView):
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permission_classes = [permissions.IsAuthenticated]
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def get(self, request, category_id):
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employee = _get_employee(request)
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category = get_object_or_404(
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cost_models.CostCategory,
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id=category_id,
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merchant_id=employee.merchant_id,
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)
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return Response(_category_payload(category))
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def put(self, request, category_id):
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employee = _get_employee(request)
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category = get_object_or_404(
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cost_models.CostCategory,
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id=category_id,
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merchant_id=employee.merchant_id,
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)
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serializer = CategoryUpdateSerializer(data=request.data, partial=True)
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serializer.is_valid(raise_exception=True)
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data = serializer.validated_data
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for field in ('unique_key', 'name', 'parent_id', 'description'):
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if field in data:
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setattr(category, field, data[field])
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category.save(update_fields=[k for k in data if k in data])
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return Response(_category_payload(category))
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def delete(self, request, category_id):
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employee = _get_employee(request)
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category = get_object_or_404(
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cost_models.CostCategory,
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id=category_id,
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merchant_id=employee.merchant_id,
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)
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category.delete()
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return Response(status=status.HTTP_204_NO_CONTENT)
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# ==================== Entry Views ====================
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class CostEntryListCreateView(APIView):
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permission_classes = [permissions.IsAuthenticated]
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parser_classes = [JSONParser, FormParser, MultiPartParser]
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def get(self, request):
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employee = _get_employee(request)
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merchant_id = request.query_params.get('merchant_id')
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category_id = request.query_params.get('category_id')
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start = request.query_params.get('start')
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end = request.query_params.get('end')
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queryset = cost_models.CostEntry.objects.filter(
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merchant_id=merchant_id if merchant_id else employee.merchant_id,
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).select_related('category').order_by('-occurred_at', '-created_at')
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if category_id:
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queryset = queryset.filter(category_id=category_id)
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if start:
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queryset = queryset.filter(occurred_at__gte=start)
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if end:
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queryset = queryset.filter(occurred_at__lte=end)
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return Response([_entry_payload(e) for e in queryset])
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def post(self, request):
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employee = _get_employee(request)
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serializer = EntryWriteSerializer(data=request.data)
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serializer.is_valid(raise_exception=True)
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data = serializer.validated_data
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category = get_object_or_404(
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cost_models.CostCategory,
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id=data['category_id'],
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merchant_id=employee.merchant_id,
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)
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entry = cost_models.CostEntry.objects.create(
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merchant=employee.merchant,
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category=category,
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amount=data['amount'],
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occurred_at=data['occurred_at'],
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operator=employee,
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image1=data.get('image1'),
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image2=data.get('image2'),
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source_module=data.get('source_module', ''),
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source_id=data.get('source_id', ''),
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remarks=data.get('remarks', ''),
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)
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return Response(_entry_payload(entry), status=status.HTTP_201_CREATED)
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class CostEntryDetailView(APIView):
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permission_classes = [permissions.IsAuthenticated]
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parser_classes = [JSONParser, FormParser, MultiPartParser]
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def get(self, request, entry_id):
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employee = _get_employee(request)
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entry = get_object_or_404(
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cost_models.CostEntry.objects.select_related('category'),
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id=entry_id,
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merchant_id=employee.merchant_id,
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)
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return Response(_entry_payload(entry))
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def put(self, request, entry_id):
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employee = _get_employee(request)
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entry = get_object_or_404(
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cost_models.CostEntry,
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id=entry_id,
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merchant_id=employee.merchant_id,
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)
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serializer = EntryUpdateSerializer(data=request.data, partial=True)
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serializer.is_valid(raise_exception=True)
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data = serializer.validated_data
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update_fields = []
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if 'category_id' in data:
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entry.category = get_object_or_404(
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cost_models.CostCategory,
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id=data.pop('category_id'),
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merchant_id=employee.merchant_id,
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)
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update_fields.append('category')
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for field, value in data.items():
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setattr(entry, field, value)
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update_fields.append(field)
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if update_fields:
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entry.save(update_fields=update_fields)
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entry.refresh_from_db()
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return Response(_entry_payload(entry))
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def delete(self, request, entry_id):
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employee = _get_employee(request)
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entry = get_object_or_404(
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cost_models.CostEntry,
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id=entry_id,
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merchant_id=employee.merchant_id,
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)
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entry.delete()
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return Response(status=status.HTTP_204_NO_CONTENT)
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# ==================== Summary Views ====================
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class CostSummaryByCategoryView(APIView):
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permission_classes = [permissions.IsAuthenticated]
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def get(self, request):
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employee = _get_employee(request)
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merchant_id = request.query_params.get('merchant_id')
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start = request.query_params.get('start')
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end = request.query_params.get('end')
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if merchant_id:
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merchant = get_object_or_404(Merchant, id=merchant_id)
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else:
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merchant = employee.merchant
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start_date = date.fromisoformat(start) if start else None
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end_date = date.fromisoformat(end) if end else None
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aggregated = cost_services.aggregate_by_category(
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merchant=merchant,
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start_date=start_date,
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end_date=end_date,
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)
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return Response({
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'merchant_id': merchant.id,
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'start_date': str(start_date) if start_date else None,
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'end_date': str(end_date) if end_date else None,
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'results': aggregated,
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}) |