feat: deal prefilling

services/deal.py

@@ -455,6 +455,44 @@ class DealService(BaseService):
         url = f"deals/{request.deal_id}?accessToken={access_token}"
         return DealCreateGuestUrlResponse(ok=True, message='Ссылка успешно создана!', url=url)
 
+    async def _create_deal_services_for_prefilling(self, old_deal: models.Deal, new_deal: models.Deal):
+        for service in old_deal.services:
+            deal_service = models.secondary.DealService(
+                service_id=service.service_id,
+                deal_id=new_deal.id,
+                quantity=service.quantity,
+                price=service.price,
+            )
+            self.session.add(deal_service)
+
+    async def _create_deal_products_for_prefilling(self, old_deal: models.Deal, new_deal: models.Deal):
+        for old_deal_product in old_deal.products:
+            deal_product = models.secondary.DealProduct(
+                deal_id=new_deal.id,
+                product_id=old_deal_product.product.id,
+                quantity=old_deal_product.quantity
+            )
+            self.session.add(deal_product)
+            await self.session.flush()
+            for old_service in old_deal_product.services:
+                deal_product_service = models.secondary.DealProductService(
+                    deal_id=new_deal.id,
+                    product_id=old_deal_product.product.id,
+                    service_id=old_service.service.id,
+                    price=old_service.price
+                )
+                self.session.add(deal_product_service)
+
+    async def prefill_deal(self, user, request: DealPrefillRequest) -> DealPrefillResponse:
+        old_deal: models.Deal = await self.get_by_id(user, request.old_deal_id, return_raw=True)
+        new_deal: models.Deal = await self.get_by_id(user, request.new_deal_id, return_raw=True)
+
+        await self._create_deal_services_for_prefilling(old_deal, new_deal)
+        await self._create_deal_products_for_prefilling(old_deal, new_deal)
+        await self.session.commit()
+
+        return DealPrefillResponse(ok=True, message="Сделка успешно предзаполнена")
+
     # endregion
 
     # region Deal services