From b285fb2fc09a1f7eb2123fd6d3bebb320bf7a4c7 Mon Sep 17 00:00:00 2001
From: Mouse Reeve <mousereeve@riseup.net>
Date: Tue, 16 Mar 2021 13:37:22 -0700
Subject: [PATCH] Set shelf user by default

---
 bookwyrm/models/shelf.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/bookwyrm/models/shelf.py b/bookwyrm/models/shelf.py
index 965541a29..3185b47f7 100644
--- a/bookwyrm/models/shelf.py
+++ b/bookwyrm/models/shelf.py
@@ -68,6 +68,11 @@ class ShelfBook(CollectionItemMixin, BookWyrmModel):
     object_field = "book"
     collection_field = "shelf"
 
+    def save(self, *args, **kwargs):
+        if not self.user:
+            self.user = self.shelf.user
+        super().save(*args, **kwargs)
+
     class Meta:
         """an opinionated constraint!
         you can't put a book on shelf twice"""