feat: product search

services/deal.py

@@ -6,7 +6,7 @@ from starlette import status
 
 import models.deal
 import models.secondary
-from models import User, Service, Client
+from models import User, Service, Client, DealProduct
 from models.deal import *
 from schemas.client import ClientDetailsSchema
 from schemas.deal import *
@@ -15,6 +15,7 @@ from services.base import BaseService
 from services.client import ClientService
 from services.service import ServiceService
 from services.shipping_warehouse import ShippingWarehouseService
+from utils.list_utils import compile_query_to_plain_sql
 
 
 class DealService(BaseService):
@@ -165,8 +166,20 @@ class DealService(BaseService):
         )
         return final_subquery
 
+    def _get_products_quantity_subquery(self):
+        deal_products_subquery = (
+            select(
+                models.secondary.DealProduct.deal_id,
+                func.sum(models.secondary.DealProduct.quantity).label('total_quantity')
+            )
+            .group_by(models.secondary.DealProduct.deal_id)
+            .subquery()
+        )
+        return deal_products_subquery
+
     async def get_summary(self, full: bool = False) -> DealSummaryResponse:
         price_subquery = self._get_price_subquery()
+        products_quantity_subquery = self._get_products_quantity_subquery()
         q = (
             select(
                 Deal,
@@ -174,7 +187,8 @@ class DealService(BaseService):
                 func.row_number().over(
                     partition_by=Deal.current_status,
                     order_by=Deal.lexorank
-                ).label('rank')
+                ).label('rank'),
+                func.coalesce(products_quantity_subquery.c.total_quantity, 0)
             )
             .options(
                 selectinload(Deal.status_history),
@@ -182,7 +196,11 @@ class DealService(BaseService):
                 joinedload(Deal.shipping_warehouse),
             )
             .outerjoin(
-                price_subquery, Deal.id == price_subquery.c.deal_id)
+                price_subquery, Deal.id == price_subquery.c.deal_id,
+            )
+            .outerjoin(
+                products_quantity_subquery, Deal.id == products_quantity_subquery.c.deal_id
+            )
             .where(
                 Deal.is_deleted == False,
             )
@@ -194,9 +212,10 @@ class DealService(BaseService):
             )
         else:
             q = q.order_by(Deal.created_at.desc())
+        print(compile_query_to_plain_sql(q))
         deals_query = await self.session.execute(q)
         summaries = []
-        for deal, total_price, rank in deals_query.all():
+        for deal, total_price, rank, products_count in deals_query.all():
             deal: Deal
             last_status: DealStatusHistory = max(deal.status_history, key=lambda status: status.changed_at)
             deadline = last_status.next_status_deadline
@@ -217,7 +236,8 @@ class DealService(BaseService):
                     base_marketplace=base_marketplace,
                     created_at=deal.created_at,
                     shipment_warehouse_id=deal.shipping_warehouse_id,
-                    shipment_warehouse_name=shipment_warehouse_name
+                    shipment_warehouse_name=shipment_warehouse_name,
+                    total_products=products_count
                 )
             )
         return DealSummaryResponse(summaries=summaries)