use base path in channel playlist and channel guide (#1028)

ErsatzTV.Application/Channels/Queries/GetChannelGuide.cs

@@ -2,4 +2,4 @@
 
 namespace ErsatzTV.Application.Channels;
 
-public record GetChannelGuide(string Scheme, string Host) : IRequest<ChannelGuide>;
+public record GetChannelGuide(string Scheme, string Host, string BaseUrl) : IRequest<ChannelGuide>;

ErsatzTV.Application/Channels/Queries/GetChannelGuideHandler.cs

@@ -19,5 +19,11 @@ public class GetChannelGuideHandler : IRequestHandler<GetChannelGuide, ChannelGu
 
     public Task<ChannelGuide> Handle(GetChannelGuide request, CancellationToken cancellationToken) =>
         _channelRepository.GetAllForGuide()
-            .Map(channels => new ChannelGuide(_recyclableMemoryStreamManager, request.Scheme, request.Host, channels));
+            .Map(
+                channels => new ChannelGuide(
+                    _recyclableMemoryStreamManager,
+                    request.Scheme,
+                    request.Host,
+                    request.BaseUrl,
+                    channels));
 }

ErsatzTV.Application/Channels/Queries/GetChannelPlaylist.cs

@@ -2,4 +2,4 @@
 
 namespace ErsatzTV.Application.Channels;
 
-public record GetChannelPlaylist(string Scheme, string Host, string Mode) : IRequest<ChannelPlaylist>;
+public record GetChannelPlaylist(string Scheme, string Host, string BaseUrl, string Mode) : IRequest<ChannelPlaylist>;

ErsatzTV.Application/Channels/Queries/GetChannelPlaylistHandler.cs

@@ -14,7 +14,7 @@ public class GetChannelPlaylistHandler : IRequestHandler<GetChannelPlaylist, Cha
     public Task<ChannelPlaylist> Handle(GetChannelPlaylist request, CancellationToken cancellationToken) =>
         _channelRepository.GetAll()
             .Map(channels => EnsureMode(channels, request.Mode))
-            .Map(channels => new ChannelPlaylist(request.Scheme, request.Host, channels));
+            .Map(channels => new ChannelPlaylist(request.Scheme, request.Host, request.BaseUrl, channels));
 
     private static List<Channel> EnsureMode(IEnumerable<Channel> channels, string mode)
     {