feat: added plate order clone

api_v1/views/printing/serializers.py

@@ -186,6 +186,7 @@ class PrintingJobListSerializer(serializers.ModelSerializer):
     work_state_display = serializers.SerializerMethodField()
     is_completed = serializers.BooleanField(read_only=True)
     business_object_id = serializers.SerializerMethodField()
+    batch_advance_records = serializers.SerializerMethodField()
     
     class Meta:
         model = models.PrintingJob
@@ -194,6 +195,7 @@ class PrintingJobListSerializer(serializers.ModelSerializer):
             'quantity', 'unit', 'size', 'pieces', 'description',
             'work_state', 'work_state_display',
             'status', 'is_completed', 'business_object_id',
+            'batch_advance_records',
             'created_at', 'updated_at'
         ]
         read_only_fields = ['id', 'created_at', 'updated_at', 'status', 'is_completed', 'business_object_id']
@@ -205,6 +207,17 @@ class PrintingJobListSerializer(serializers.ModelSerializer):
     def get_work_state_display(self, obj):
         return obj.get_work_state_display()
 
+    def get_batch_advance_records(self, obj):
+        """
+        批量推进记录（稳定输出 key）
+        
+        - 如果没有批量记录：返回 []
+        - 仅返回与该 job 相关的批量推进审计记录（按 created_at 倒序）
+        """
+        # 注意：这里不要链式调用 select_related/order_by，否则会绕开 viewset 的 prefetch 缓存，导致 N+1 查询。
+        records = list(obj.batch_advance_records.all())
+        return PrintingJobBatchAdvanceRecordSerializer(records, many=True).data
+
 
 class PrintingJobDetailSerializer(serializers.ModelSerializer):
     """印染款式明细详情序列化器"""
@@ -217,6 +230,7 @@ class PrintingJobDetailSerializer(serializers.ModelSerializer):
     is_completed = serializers.BooleanField(read_only=True)
     has_started = serializers.BooleanField(read_only=True)
     business_object_id = serializers.SerializerMethodField()
+    batch_advance_records = serializers.SerializerMethodField()
     
     class Meta:
         model = models.PrintingJob
@@ -225,6 +239,7 @@ class PrintingJobDetailSerializer(serializers.ModelSerializer):
             'quantity', 'unit', 'size', 'pieces', 'description',
             'work_state', 'work_state_display',
             'status', 'status_id', 'is_completed', 'has_started', 'business_object_id',
+            'batch_advance_records',
             'created_at', 'updated_at'
         ]
         read_only_fields = [
@@ -239,15 +254,22 @@ class PrintingJobDetailSerializer(serializers.ModelSerializer):
     def get_work_state_display(self, obj):
         return obj.get_work_state_display()
 
+    def get_batch_advance_records(self, obj):
+        """见 list serializer，同样稳定输出 key"""
+        records = list(obj.batch_advance_records.all())
+        return PrintingJobBatchAdvanceRecordSerializer(records, many=True).data
+
 
 class PrintingJobCreateUpdateSerializer(serializers.ModelSerializer):
     """印染款式明细创建/更新序列化器"""
+    batch_advance_records = serializers.SerializerMethodField(read_only=True)
     
     class Meta:
         model = models.PrintingJob
         fields = [
             'id', 'printing_order', 'product', 'quantity', 'unit', 'size', 'pieces', 'description',
             'work_state',
+            'batch_advance_records',
         ]
         read_only_fields = ['id']
         extra_kwargs = {
@@ -290,6 +312,43 @@ class PrintingJobCreateUpdateSerializer(serializers.ModelSerializer):
             raise serializers.ValidationError(message)
         return updated_instance
 
+    def get_batch_advance_records(self, obj):
+        """创建/更新接口也稳定输出该 key（通常为空）"""
+        records = list(obj.batch_advance_records.all())
+        return PrintingJobBatchAdvanceRecordSerializer(records, many=True).data
+
+
+class PrintingJobBatchAdvanceRecordSerializer(serializers.ModelSerializer):
+    """印染任务批量推进记录（用于嵌入 PrintingJob 的序列化结果）"""
+
+    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)
+    created_by_name = serializers.SerializerMethodField()
+
+    class Meta:
+        model = models.PrintingJobBatchAdvanceRecord
+        fields = [
+            'id',
+            'printing_order',
+            'state',
+            'state_id',
+            'state_name',
+            'created_by',
+            'created_by_username',
+            'created_by_name',
+            'parameters',
+            'created_at',
+        ]
+        read_only_fields = fields
+
+    def get_created_by_name(self, obj):
+        user = getattr(obj, 'created_by', None)
+        if not user:
+            return None
+        emp = getattr(user, 'employee', None)
+        return getattr(emp, 'name', None)
+
 
 class PlateOrderDesignCodeMixin:
     """确保 design_code 为空时使用主键"""
@@ -320,6 +379,7 @@ class PlateOrderListSerializer(PlateOrderDesignCodeMixin, serializers.ModelSeria
     process_name = serializers.SerializerMethodField()
     plate_image_url = serializers.SerializerMethodField()
     last_completed_state = serializers.CharField(read_only=True)
+    content_type_id = serializers.SerializerMethodField()
     
     class Meta:
         model = models.PlateOrder
@@ -340,7 +400,7 @@ class PlateOrderListSerializer(PlateOrderDesignCodeMixin, serializers.ModelSeria
             'approval_result', 'is_ordered', 'customer_feedback', 'print_count',
             'process', 'process_name',
             'status', 'status_id', 'is_completed', 'has_started', 'last_completed_state',
-            'progress_percentage', 'business_object_id',
+            'progress_percentage', 'business_object_id', 'content_type_id',
             'created_at', 'updated_at'
         ]
         read_only_fields = [
@@ -364,6 +424,17 @@ class PlateOrderListSerializer(PlateOrderDesignCodeMixin, serializers.ModelSeria
                 return None
         return None
 
+    def get_content_type_id(self, obj):
+        """
+        返回关联流程实例（business_object）的 content_type_id。
+        
+        - 无 business_object：返回 None
+        - business_object 存在但未绑定关联对象：返回 None
+        """
+        if not getattr(obj, 'business_object_id', None):
+            return None
+        return obj.business_object.content_type_id
+
 
 class PlateOrderDetailSerializer(PlateOrderDesignCodeMixin, serializers.ModelSerializer):
     """开版订单详情序列化器"""