From e3cf7d9ee697df5665b709738f39d2f0cebae277 Mon Sep 17 00:00:00 2001
From: Thomas Sileo <t@a4.io>
Date: Tue, 4 Sep 2018 21:25:25 +0200
Subject: [PATCH] Bugfix in the collection for the last empty page

---
 activitypub.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/activitypub.py b/activitypub.py
index 6aa3be5..c7425dd 100644
--- a/activitypub.py
+++ b/activitypub.py
@@ -646,6 +646,16 @@ def build_ordered_collection(
     data = list(col.find(q, limit=limit).sort("_id", -1))
 
     if not data:
+        # Returns an empty page if there's a cursor
+        if cursor:
+            return {
+                "@context": ap.COLLECTION_CTX,
+                "type": ap.ActivityType.ORDERED_COLLECTION_PAGE.value,
+                "id": BASE_URL + "/" + col_name + "?cursor=" + cursor,
+                "partOf": BASE_URL + "/" + col_name,
+                "totalItems": 0,
+                "oredredItems": [],
+            }
         return {
             "@context": ap.COLLECTION_CTX,
             "id": BASE_URL + "/" + col_name,