feat: pagination and query params for a deal end-point

repositories/base.py

@@ -1,6 +1,13 @@
+from sqlalchemy import Select
 from sqlalchemy.ext.asyncio import AsyncSession
 
 
 class BaseRepository:
     def __init__(self, session: AsyncSession):
         self.session = session
+
+    @staticmethod
+    def _apply_pagination(query: Select, page: int, items_per_page: int) -> Select:
+        offset = (page - 1) * items_per_page
+        query = query.offset(offset).limit(items_per_page)
+        return query