Adding sync with imported parts

app/crud/manufacturer.py

@@ -8,6 +8,13 @@ async def get(db: AsyncSession, manufacturer_id: int) -> Manufacturer | None:
     return await db.get(Manufacturer, manufacturer_id)
 
 
+async def get_by_name(db: AsyncSession, name: str) -> Manufacturer | None:
+    result = await db.execute(
+        select(Manufacturer).where(Manufacturer.name == name)
+    )
+    return result.scalar_one_or_none()
+
+
 async def list_all(
     db: AsyncSession, skip: int = 0, limit: int = 100
 ) -> list[Manufacturer]: