feat: added StockChangeDetailShortcutSerializer

api_v1/views/business/pre_sales/views.py

@@ -10,10 +10,12 @@ from api_v1.views.stock_change_views.mixins import StockChangeViewMixin
 from business import models as business_models
 from business import pre_order_services
 from business import allocation_services
+from stock import models as stock_models
 
 
 class AllocationRecordSerializer(serializers.ModelSerializer):
     stock_ids = serializers.SerializerMethodField(read_only=True)
+    stock_details = serializers.SerializerMethodField(read_only=True)
     scanned_by_name = serializers.CharField(source='scanned_by.name', read_only=True)
 
     class Meta:
@@ -22,6 +24,7 @@ class AllocationRecordSerializer(serializers.ModelSerializer):
             'id',
             'pre_sales_order_item',
             'stock_ids',
+            'stock_details',
             'quantity',
             'unit',
             'status',
@@ -43,6 +46,33 @@ class AllocationRecordSerializer(serializers.ModelSerializer):
     def get_stock_ids(self, obj: business_models.AllocationRecord):
         return obj.stock_id_list
 
+    def get_stock_details(self, obj: business_models.AllocationRecord):
+        stock_ids = obj.stock_id_list
+        if not stock_ids:
+            return []
+        details_by_id = stock_models.StockChangeDetail.objects.select_related(
+            'product'
+        ).in_bulk(stock_ids)
+        return [
+            StockChangeDetailShortcutSerializer(details_by_id[stock_id]).data
+            for stock_id in stock_ids
+            if stock_id in details_by_id
+        ]
+
+
+class StockChangeDetailShortcutSerializer(serializers.ModelSerializer):
+    product_id = serializers.IntegerField(source='product_id', read_only=True)
+    product_name = serializers.CharField(source='product.name', read_only=True)
+
+    class Meta:
+        model = stock_models.StockChangeDetail
+        fields = [
+            'product_id',
+            'product_name',
+            'quantity',
+        ]
+        read_only_fields = fields
+
 
 class PreSalesOrderItemSerializer(serializers.ModelSerializer):
     allocated_quantity = serializers.SerializerMethodField(read_only=True)