Products Rendering, removal of deprecated files

repositories/products.py

@@ -0,0 +1,28 @@
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from typing import Optional
+
+from db.models import Product
+
+
+class ProductRepository:
+    async def get_product_by_id(
+        self, session: AsyncSession, product_id: int
+    ) -> Optional[Product]:
+        stmt = select(Product).where(Product.id == product_id)
+        return await session.scalar(stmt)
+
+    async def get_product_by_category(
+        self, session: AsyncSession, category_id: int, *, limit: int, offset: int
+    ) -> list[Product]:
+        stmt = (
+            select(Product)
+            .where(Product.category_id == category_id)
+            .order_by(Product.id)
+            .offset(offset)
+            .limit(limit)
+        )
+
+        result = await session.scalars(stmt)
+
+        return list(result)