feat: service category deleting

services/service.py

@@ -17,10 +17,18 @@ class ServiceService(BaseService):
         query = await (
             self.session
             .scalars(
-                select(Service)
-                .options(joinedload(Service.category))
-                .order_by(Service.rank)
-                .filter(Service.is_deleted == False)
+                select(
+                    Service
+                )
+                .options(
+                    joinedload(Service.category)
+                )
+                .order_by(
+                    Service.rank
+                )
+                .filter(
+                    Service.is_deleted == False
+                )
             )
         )
         services_raw = query.all()
@@ -35,9 +43,15 @@ class ServiceService(BaseService):
         category_ids = list(set([service.category_id for service in services_raw]))
         rest_categories = await (
             self.session
-            .scalars(select(ServiceCategory)
-                     .where(ServiceCategory.id.notin_(category_ids))
-                     )
+            .scalars(
+                select(
+                    ServiceCategory
+                )
+                .where(
+                    ServiceCategory.id.notin_(category_ids),
+                    ServiceCategory.is_deleted == False
+                )
+            )
         )
         for category in rest_categories:
             for service_type in [ServiceType.DEAL_SERVICE, ServiceType.PRODUCT_SERVICE]:
@@ -456,3 +470,48 @@ class ServiceService(BaseService):
             return ServiceUpdateResponse(ok=True, message="Категория успешно обновлена")
         except Exception as e:
             return ServiceUpdateResponse(ok=False, message=f"Неудалось обновить категорию, ошибка: {e}")
+
+    async def delete_category(self, request: ServiceDeleteCategoryRequest) -> ServiceDeleteResponse:
+        try:
+            active_services = await self.session.scalars(
+                select(
+                    Service
+                )
+                .where(
+                    Service.category_id == request.category_id,
+                    Service.is_deleted == False
+                )
+            )
+            if active_services.first():
+                return ServiceDeleteResponse(ok=False, message="Категория используется в услугах")
+
+            # Check if category is used in deleted services
+            deleted_services = await self.session.scalars(
+                select(
+                    Service
+                )
+                .where(
+                    Service.category_id == request.category_id,
+                    Service.is_deleted == True
+                )
+            )
+            category = await self.session.scalar(
+                select(
+                    ServiceCategory
+                )
+                .filter(
+                    ServiceCategory.id == request.category_id
+                )
+            )
+            if not category:
+                return ServiceDeleteResponse(ok=False, message="Категория не найдена")
+
+            if deleted_services.first():
+                category.is_deleted = True
+            else:
+                await self.session.delete(category)
+
+            await self.session.commit()
+            return ServiceDeleteResponse(ok=True, message="Категория успешно удалена")
+        except Exception as e:
+            return ServiceDeleteResponse(ok=False, message=f"Неудалось удалить категорию, ошибка: {e}")