feat: deal tags

services/deal_group.py

@@ -1,7 +1,7 @@
 from lexorank import lexorank
 
 from models import DealGroup, Deal
-from repositories import DealGroupRepository, DealRepository
+from repositories import DealGroupRepository, DealRepository, DealTagRepository
 from schemas.deal_group import *
 from services.mixins import *
 
@@ -21,6 +21,10 @@ class DealGroupService(
             if deal.status_id != main_deal.status_id:
                 await deal_repo.update_status(deal, main_deal.status_id)
 
+        await DealTagRepository(self.repository.session).sync_deals_tags(
+            [main_deal, *other_deals]
+        )
+
     async def create(self, request: CreateDealGroupRequest) -> CreateDealGroupResponse:
         deal_repo = DealRepository(self.repository.session)
         main_deal: Deal = await deal_repo.get_by_id(request.main_deal_id)