change offer list and add party model and serializer

core/apps/orders/serializers/party.py

@@ -0,0 +1,42 @@
+from django.db import transaction
+
+from rest_framework import serializers
+
+from core.apps.orders.models import Party, PartyAmount, Order
+from core.apps.orders.serializers.order import MultipleOrderAddSerializer
+from core.apps.accounts.models import User
+
+
+class PartyCreateSerializer(serializers.Serializer):
+    resources = MultipleOrderAddSerializer(many=True)
+    mediator_id = serializers.UUIDField()
+    delivery_date = serializers.DateField()
+    payment_date = serializers.DateField()
+    comment = serializers.CharField(required=False)
+
+    audit = serializers.ChoiceField(
+        choices=[('CHECKED', 'tekshirildi'),('PROCESS', 'jarayonda')], required=False
+    )
+    audit_comment = serializers.CharField(required=False)
+
+    def validate(self, data):
+        user = User.objects.filter(id=data['mediator_id']).first()
+        if not user:
+            raise serializers.ValidationError("User not found")
+        data['user'] = user
+        return data
+    
+    def create(self, validated_data):
+        with transaction.atomic():
+            resources = validated_data.pop('resources')
+            orders = []
+            for resource in resources:
+                orders.append(Order(
+                    product=resource['product'],
+                    unity=resource['unity'],
+                    project_folder=resource.get('project_folder'),
+                    project=resource.get('project'),
+                    counterparty=resource.get('counterparty'),
+                    wherehouse=resource.get('wherehouse'),
+                    
+                ))