feat: added new api for query batch_advance_records

api_v2/views/printing.py

@@ -1345,3 +1345,116 @@ class PlateOrderBatchUpdateView(APIView):
                 "plate_order_ids": found_ids,
             }
         )
+
+
+class BatchAdvanceRecordSerializer(serializers.ModelSerializer):
+    """批量推进记录序列化器"""
+    
+    state_id = serializers.IntegerField(source='state.id', read_only=True)
+    state_name = serializers.CharField(source='state.name', read_only=True)
+    created_by_username = serializers.CharField(source='created_by.username', read_only=True, allow_null=True)
+    created_by_name = serializers.SerializerMethodField()
+    printing_job_ids = serializers.SerializerMethodField()
+    printing_job_count = serializers.SerializerMethodField()
+    
+    class Meta:
+        model = printing_models.PrintingJobBatchAdvanceRecord
+        fields = [
+            'id',
+            'printing_order',
+            'state',
+            'state_id',
+            'state_name',
+            'created_by',
+            'created_by_username',
+            'created_by_name',
+            'parameters',
+            'printing_job_ids',
+            'printing_job_count',
+            'created_at',
+        ]
+        read_only_fields = fields
+    
+    def get_created_by_name(self, obj):
+        """获取操作人员工姓名"""
+        user = getattr(obj, 'created_by', None)
+        if not user:
+            return None
+        emp = getattr(user, 'employee', None)
+        return getattr(emp, 'name', None)
+    
+    def get_printing_job_ids(self, obj):
+        """获取涉及的印染明细 ID 列表"""
+        # 使用预取的数据避免 N+1
+        if hasattr(obj, '_prefetched_objects_cache') and 'printing_jobs' in obj._prefetched_objects_cache:
+            return [job.id for job in obj.printing_jobs.all()]
+        return list(obj.printing_jobs.values_list('id', flat=True))
+    
+    def get_printing_job_count(self, obj):
+        """获取涉及的印染明细数量"""
+        if hasattr(obj, '_prefetched_objects_cache') and 'printing_jobs' in obj._prefetched_objects_cache:
+            return len(obj.printing_jobs.all())
+        return obj.printing_jobs.count()
+
+
+class PrintingOrderBatchAdvanceRecordsView(APIView):
+    """
+    获取印染订单的批量推进记录
+    
+    根据 printing_order_id 查询该订单下所有的批量推进审计记录。
+    
+    GET /api/v2/printing-orders/{printing_order_id}/batch-advance-records/
+    
+    响应示例:
+    {
+        "printing_order_id": 55,
+        "records": [
+            {
+                "id": 9,
+                "printing_order": 55,
+                "state": 7,
+                "state_id": 7,
+                "state_name": "染色",
+                "created_by": 1001,
+                "created_by_username": "factory_user",
+                "created_by_name": "张三",
+                "parameters": {"temperature": "25.5"},
+                "printing_job_ids": [101, 102, 103],
+                "printing_job_count": 3,
+                "created_at": "2025-12-14T10:00:00+08:00"
+            }
+        ],
+        "total_count": 1
+    }
+    """
+    
+    permission_classes = [permissions.IsAuthenticated]
+    
+    def get(self, request, printing_order_id):
+        # 验证订单是否存在
+        try:
+            printing_order = printing_models.PrintingOrder.objects.get(id=printing_order_id)
+        except printing_models.PrintingOrder.DoesNotExist:
+            return Response(
+                {'error': f'未找到 ID 为 {printing_order_id} 的印染订单'},
+                status=status.HTTP_404_NOT_FOUND
+            )
+        
+        # 查询批量推进记录，按创建时间倒序
+        records = printing_models.PrintingJobBatchAdvanceRecord.objects.filter(
+            printing_order_id=printing_order_id
+        ).select_related(
+            'state',
+            'created_by',
+            'created_by__employee',
+        ).prefetch_related(
+            'printing_jobs',
+        ).order_by('-created_at')
+        
+        serializer = BatchAdvanceRecordSerializer(records, many=True)
+        
+        return Response({
+            'printing_order_id': printing_order_id,
+            'records': serializer.data,
+            'total_count': records.count(),
+        })