feat: product search

services/product.py

@@ -1,8 +1,8 @@
 from typing import Union
 
 from fastapi import HTTPException
-from sqlalchemy import select, func, Integer, update
-from sqlalchemy.orm import selectinload
+from sqlalchemy import select, func, Integer, update, or_
+from sqlalchemy.orm import selectinload, Query
 
 import utils.barcodes
 from backend import config
@@ -94,17 +94,41 @@ class ProductService(BaseService):
         await self.session.commit()
         return ProductUpdateResponse(ok=True, message='Товар успешно обновлен')
 
-    async def get_by_client_id(self, client_id: int, pagination: PaginationSchema) -> ProductGetResponse:
+    async def get_by_client_id(
+            self,
+            client_id: int,
+            pagination: PaginationSchema,
+            search_input: str
+    ) -> ProductGetResponse:
+
         is_pagination_valid = is_valid_pagination(pagination)
         total_pages = 0
         total_items = 0
-        stmt = (
-            select(Product)
-            .options(selectinload(Product.barcodes)
-                     .noload(ProductBarcode.product))
-            .where(Product.client_id == client_id)
+        stmt: Query = (
+            select(
+                Product
+            )
+            .options(
+                selectinload(Product.barcodes)
+                .noload(ProductBarcode.product)
+            )
+            .where(
+                Product.client_id == client_id
+            )
             .order_by(Product.id)
         )
+        search_input = search_input.strip()
+        if search_input:
+            stmt = (
+                stmt.where(
+                    or_(
+                        Product.name.ilike(f'%{search_input}%'),
+                        Product.barcodes.any(ProductBarcode.barcode == search_input),
+                        Product.article == search_input
+                    )
+                )
+            )
+
         if is_pagination_valid:
             total_products_query = await self.session.execute(
                 select(