From f17151bd20f3551e8100265953b7dd48d51b11d3 Mon Sep 17 00:00:00 2001
From: Jason Dove <jason@jasondove.me>
Date: Thu, 22 Jul 2021 11:12:14 -0500
Subject: [PATCH] fix multi-collection bug (#318)

---
 CHANGELOG.md                                       | 3 +++
 ErsatzTV.Core/Scheduling/MultiCollectionGrouper.cs | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6307f1b79..1c45da41b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Add multiple local libraries to better organize your media
 - Add `Move Library Path` function to support reorganizing existing local libraries
 
+### Fixed
+- Fix bug preventing playouts from rebuilding after an empty collection is encountered within a multi-collection
+
 ## [0.0.51-alpha] - 2021-07-18
 ### Added
 - Add `Multi Collection` to support shuffling multiple collections within a single schedule item
diff --git a/ErsatzTV.Core/Scheduling/MultiCollectionGrouper.cs b/ErsatzTV.Core/Scheduling/MultiCollectionGrouper.cs
index c99f403f7..ecbad2399 100644
--- a/ErsatzTV.Core/Scheduling/MultiCollectionGrouper.cs
+++ b/ErsatzTV.Core/Scheduling/MultiCollectionGrouper.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Linq;
 
 namespace ErsatzTV.Core.Scheduling
 {
@@ -8,7 +9,7 @@ namespace ErsatzTV.Core.Scheduling
         {
             var result = new List<GroupedMediaItem>();
 
-            foreach (CollectionWithItems collection in collections)
+            foreach (CollectionWithItems collection in collections.Where(collection => collection.MediaItems.Any()))
             {
                 if (collection.ScheduleAsGroup)
                 {