From c48f0a7d51e0aabc1f33090b8981fc31fa103edf Mon Sep 17 00:00:00 2001
From: Jason Dove <jason@jasondove.me>
Date: Mon, 29 Mar 2021 09:43:09 -0500
Subject: [PATCH] don't require preferred language on channels (#114)

---
 ErsatzTV.Application/Channels/Commands/CreateChannelHandler.cs | 3 +--
 ErsatzTV.Application/Channels/Commands/UpdateChannelHandler.cs | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/ErsatzTV.Application/Channels/Commands/CreateChannelHandler.cs b/ErsatzTV.Application/Channels/Commands/CreateChannelHandler.cs
index fa483995b..efee11ee5 100644
--- a/ErsatzTV.Application/Channels/Commands/CreateChannelHandler.cs
+++ b/ErsatzTV.Application/Channels/Commands/CreateChannelHandler.cs
@@ -73,13 +73,12 @@ namespace ErsatzTV.Application.Channels.Commands
                 .Bind(_ => createChannel.NotLongerThan(50)(c => c.Name));
 
         private Validation<BaseError, string> ValidatePreferredLanguage(CreateChannel createChannel) =>
-            Optional(createChannel.PreferredLanguageCode)
+            Optional(createChannel.PreferredLanguageCode ?? string.Empty)
                 .Filter(
                     lc => string.IsNullOrWhiteSpace(lc) || CultureInfo.GetCultures(CultureTypes.NeutralCultures).Any(
                         ci => string.Equals(ci.ThreeLetterISOLanguageName, lc, StringComparison.OrdinalIgnoreCase)))
                 .ToValidation<BaseError>("Preferred language code is invalid");
 
-
         private async Task<Validation<BaseError, string>> ValidateNumber(CreateChannel createChannel)
         {
             Option<Channel> maybeExistingChannel = await _channelRepository.GetByNumber(createChannel.Number);
diff --git a/ErsatzTV.Application/Channels/Commands/UpdateChannelHandler.cs b/ErsatzTV.Application/Channels/Commands/UpdateChannelHandler.cs
index 0e5154435..2a3f71bca 100644
--- a/ErsatzTV.Application/Channels/Commands/UpdateChannelHandler.cs
+++ b/ErsatzTV.Application/Channels/Commands/UpdateChannelHandler.cs
@@ -97,7 +97,7 @@ namespace ErsatzTV.Application.Channels.Commands
         }
 
         private Validation<BaseError, string> ValidatePreferredLanguage(UpdateChannel updateChannel) =>
-            Optional(updateChannel.PreferredLanguageCode)
+            Optional(updateChannel.PreferredLanguageCode ?? string.Empty)
                 .Filter(
                     lc => string.IsNullOrWhiteSpace(lc) || CultureInfo.GetCultures(CultureTypes.NeutralCultures).Any(
                         ci => string.Equals(ci.ThreeLetterISOLanguageName, lc, StringComparison.OrdinalIgnoreCase)))