From a0a263f0746aeac9854b148a2e3f3f480fa28847 Mon Sep 17 00:00:00 2001
From: Tyrrrz <1935960+Tyrrrz@users.noreply.github.com>
Date: Mon, 16 Oct 2023 17:22:28 +0300
Subject: [PATCH] Improve error message for forum channels

Related to #1144
---
 DiscordChatExporter.Core/Exporting/ChannelExporter.cs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/DiscordChatExporter.Core/Exporting/ChannelExporter.cs b/DiscordChatExporter.Core/Exporting/ChannelExporter.cs
index 8bd53b0c..b4064fc1 100644
--- a/DiscordChatExporter.Core/Exporting/ChannelExporter.cs
+++ b/DiscordChatExporter.Core/Exporting/ChannelExporter.cs
@@ -22,11 +22,18 @@ public class ChannelExporter
     {
         // Forum channels don't have messages, they are just a list of threads
         if (request.Channel.Kind == ChannelKind.GuildForum)
-            throw new DiscordChatExporterException("Channel is a forum.");
+        {
+            throw new DiscordChatExporterException(
+                "Channel is a forum and cannot be exported directly. "
+                    + "You need to pull its threads and export them individually."
+            );
+        }
 
         // Check if the channel is empty
         if (request.Channel.IsEmpty)
+        {
             throw new DiscordChatExporterException("Channel does not contain any messages.");
+        }
 
         // Check if the 'after' boundary is valid
         if (request.After is not null && !request.Channel.MayHaveMessagesAfter(request.After.Value))