Paginate address book contacts

src/govoplan_addresses/backend/router.py

@@ -80,6 +80,7 @@ from govoplan_addresses.backend.service import (
     create_carddav_sync_source,
     create_contact,
     create_sync_source,
+    count_contacts,
     delete_address_book,
     delete_address_list,
     delete_address_list_entry,
@@ -430,16 +431,41 @@ def api_restore_address_book(
 @router.get("/contacts", response_model=ContactListResponse)
 def api_list_contacts(
     address_book_id: str | None = Query(default=None),
+    address_list_id: str | None = Query(default=None),
     query: str | None = Query(default=None),
     limit: int = Query(default=200, ge=1, le=500),
+    offset: int = Query(default=0, ge=0),
     include_deleted: bool = Query(default=False),
     principal: ApiPrincipal = Depends(get_api_principal),
     session: Session = Depends(get_session),
 ):
     _require_scope(principal, "addresses:contact:read")
     try:
-        contacts = list_contacts(session, principal, address_book_id=address_book_id, query=query, limit=limit, include_deleted=include_deleted)
-        return ContactListResponse(contacts=[_contact_response(contact) for contact in contacts])
+        contacts = list_contacts(
+            session,
+            principal,
+            address_book_id=address_book_id,
+            address_list_id=address_list_id,
+            query=query,
+            limit=limit,
+            offset=offset,
+            include_deleted=include_deleted,
+        )
+        total = count_contacts(
+            session,
+            principal,
+            address_book_id=address_book_id,
+            address_list_id=address_list_id,
+            query=query,
+            include_deleted=include_deleted,
+        )
+        return ContactListResponse(
+            contacts=[_contact_response(contact) for contact in contacts],
+            total=total,
+            offset=offset,
+            limit=limit,
+            has_more=offset + len(contacts) < total,
+        )
     except AddressBookError as exc:
         raise _error(exc) from exc