From 378b5d756a6aa1e0f14e3877c932970cf483f325 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=98=99=E2=97=A6=20The=20Tablet=20=E2=9D=80=20GamerGirla?=
 =?UTF-8?q?ndCo=20=E2=97=A6=E2=9D=A7?= <i.am.the.tablet@proton.me>
Date: Thu, 10 Apr 2025 16:47:57 -0400
Subject: [PATCH] fix nested refs not being recognized as "populated" during
 serialization

---
 document.go           |  1 +
 document_internals.go | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/document.go b/document.go
index addde2b..9994363 100644
--- a/document.go
+++ b/document.go
@@ -84,6 +84,7 @@ type IDocument interface {
 	markPopulated(field string)
 	markDepopulated(field string)
 	newPopulationMap()
+	getPopulated() map[string]bool
 	getRaw() any
 	setRaw(raw any)
 }
diff --git a/document_internals.go b/document_internals.go
index 991827d..7dc6500 100644
--- a/document_internals.go
+++ b/document_internals.go
@@ -84,6 +84,14 @@ func serializeIDs(input interface{}, isJson bool, populated map[string]bool, par
 						break
 					}
 				}
+				if iidoc, ok := input.(IDocument); ok && !ip {
+					for k1, v1 := range iidoc.getPopulated() {
+						if k1 == descent || k1 == ft.Name {
+							ip = v1
+							break
+						}
+					}
+				}
 				if terr == nil {
 					ifc, ok := fv.Interface().(HasID)
 					if fv.Kind() == reflect.Slice {
@@ -316,6 +324,10 @@ func (d *Document) newPopulationMap() {
 	}
 }
 
+func (d *Document) getPopulated() map[string]bool {
+	return d.populatedFields
+}
+
 func (d *Document) setRaw(raw any) {
 	d.raw = raw
 }