From 52d8f87c66eea9a7183fbabe1ad6022fc98f662a Mon Sep 17 00:00:00 2001
From: Mark McDowall <mark@mcdowall.ca>
Date: Sun, 19 Dec 2021 09:27:15 -0800
Subject: [PATCH] Fixed: Sorting series without a Previous Airing

Closes #4809
---
 frontend/src/Store/Actions/seriesIndexActions.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/frontend/src/Store/Actions/seriesIndexActions.js b/frontend/src/Store/Actions/seriesIndexActions.js
index a953652b6..ffdab4bfa 100644
--- a/frontend/src/Store/Actions/seriesIndexActions.js
+++ b/frontend/src/Store/Actions/seriesIndexActions.js
@@ -210,6 +210,20 @@ export const defaultState = {
       return Number.MAX_VALUE;
     },
 
+    previousAiring: function(item, direction) {
+      const previousAiring = item.previousAiring;
+
+      if (previousAiring) {
+        return moment(previousAiring).unix();
+      }
+
+      if (direction === sortDirections.DESCENDING) {
+        return -Number.MAX_VALUE;
+      }
+
+      return Number.MAX_VALUE;
+    },
+
     episodeProgress: function(item) {
       const { statistics = {} } = item;