From 6dfa2360c090e6f0768b63146d108dae91d23293 Mon Sep 17 00:00:00 2001
From: Tom Hacohen <tom@stosb.com>
Date: Wed, 15 Apr 2020 16:52:36 +0300
Subject: [PATCH] Chunk: fix for a collection's main item.

---
 django_etesync/models.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/django_etesync/models.py b/django_etesync/models.py
index 65f130a..fdf8041 100644
--- a/django_etesync/models.py
+++ b/django_etesync/models.py
@@ -64,7 +64,8 @@ def chunk_directory_path(instance, filename):
     item = instance.item
     col = item.collection
     user_id = col.owner.id
-    return Path('user_{}'.format(user_id), col.uid, item.uid, instance.uid)
+    item_uid = item.uid or 'main'
+    return Path('user_{}'.format(user_id), col.uid, item_uid, instance.uid)
 
 
 class CollectionItemChunk(models.Model):