Adding pagination

app/crud/imported_part.py

@@ -51,6 +51,15 @@ async def count(db: AsyncSession) -> int:
     return result.scalar_one()
 
 
+async def count_filtered(db: AsyncSession, description: str = "") -> int:
+    from sqlalchemy import func
+    q = select(func.count()).select_from(ImportedPart)
+    if description.strip():
+        q = q.where(ImportedPart.Description.ilike(f"%{description.strip()}%"))
+    result = await db.execute(q)
+    return result.scalar_one()
+
+
 async def delete(db: AsyncSession, part: ImportedPart) -> None:
     await db.delete(part)
     await db.commit()