From 204ab8a157ae7cbd306430ecc9b8b91f0484dcfe Mon Sep 17 00:00:00 2001
From: Stijn Peeters <stijn.peeters@uva.nl>
Date: Tue, 4 Feb 2025 18:16:47 +0100
Subject: [PATCH] Add a 'missing fields' key to mapped dataset items

---
 common/lib/item_mapping.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/common/lib/item_mapping.py b/common/lib/item_mapping.py
index dd6c3a47..abeb3823 100644
--- a/common/lib/item_mapping.py
+++ b/common/lib/item_mapping.py
@@ -101,6 +101,10 @@ def __init__(self, mapper, original, mapped_object, *args, **kwargs):
         self._original = original
         self._mapped_object = mapped_object
 
+        if hasattr(mapped_object, "get_missing_fields"):
+            self.missing_fields = mapped_object.get_missing_fields()
+            self["missing_fields"] = ", ".join(self.missing_fields)
+
     @property
     def original(self):
         """