From 84e0ad6b1fff23a57ad20b477fbea87abc71df9b Mon Sep 17 00:00:00 2001
From: codl <codl@codl.fr>
Date: Sat, 9 Mar 2019 15:56:07 +0100
Subject: [PATCH] fix crash in fetch_acc when user has no posts

---
 tasks.py | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/tasks.py b/tasks.py
index 789dffa..61be38c 100644
--- a/tasks.py
+++ b/tasks.py
@@ -155,11 +155,12 @@ def fetch_acc(id_):
             # we either finished the historic fetch
             # or we finished the current batch
             account.fetch_history_complete = True
-            account.fetch_current_batch_end_id = (Post.query
-                    .with_parent(account, 'posts').order_by(db.desc(Post.created_at)).first()).id
-            # ^ note that this could be None if the user has no posts
-            #   this is okay
-
+            batch_end = (Post.query.with_parent(account, 'posts').order_by(
+                db.desc(Post.created_at)).first())
+            if batch_end:
+                account.fetch_current_batch_end_id = batch_end.id
+            else:
+                account.fetch_current_batch_end_id = None
             db.session.commit()
 
         else: