Clean up

DiscordChatExporter.Cli.Tests/Infra/ExportWrapper.cs

@@ -105,7 +105,7 @@ public static class ExportWrapper
         if (message is null)
         {
             throw new InvalidOperationException(
-                $"Message #{messageId} does not exist in the export of channel #{channelId}."
+                $"Message #{messageId} not found in the export of channel #{channelId}."
             );
         }
 
@@ -129,7 +129,7 @@ public static class ExportWrapper
         if (message.ValueKind == JsonValueKind.Undefined)
         {
             throw new InvalidOperationException(
-                $"Message #{messageId} does not exist in the export of channel #{channelId}."
+                $"Message #{messageId} not found in the export of channel #{channelId}."
             );
         }
 

DiscordChatExporter.Cli/Commands/Base/ExportCommandBase.cs

@@ -169,8 +169,7 @@ public abstract class ExportCommandBase : DiscordCommandBase
             throw new CommandException(
                 "Attempted to export multiple channels, but the output path is neither a directory nor a template. "
                     + "If the provided output path is meant to be treated as a directory, make sure it ends with a slash. "
-                    + "Provided output path: "
-                    + OutputPath
+                    + $"Provided output path: '{OutputPath}'."
             );
         }
 

DiscordChatExporter.Core/Discord/DiscordClient.cs

@@ -618,7 +618,7 @@ public class DiscordClient
                 if (!application.IsMessageContentIntentEnabled)
                 {
                     throw new DiscordChatExporterException(
-                        "Bot account does not have the Message Content Intent enabled.",
+                        "Provided bot account does not have the Message Content Intent enabled.",
                         true
                     );
                 }

DiscordChatExporter.Core/Discord/Snowflake.cs

@@ -22,26 +22,26 @@ public partial record struct Snowflake
     public static Snowflake FromDate(DateTimeOffset instant) =>
         new(((ulong)instant.ToUnixTimeMilliseconds() - 1420070400000UL) << 22);
 
-    public static Snowflake? TryParse(string? str, IFormatProvider? formatProvider = null)
+    public static Snowflake? TryParse(string? value, IFormatProvider? formatProvider = null)
     {
-        if (string.IsNullOrWhiteSpace(str))
+        if (string.IsNullOrWhiteSpace(value))
             return null;
 
         // As number
-        if (ulong.TryParse(str, NumberStyles.None, formatProvider, out var value))
-            return new Snowflake(value);
+        if (ulong.TryParse(value, NumberStyles.None, formatProvider, out var number))
+            return new Snowflake(number);
 
         // As date
-        if (DateTimeOffset.TryParse(str, formatProvider, DateTimeStyles.None, out var instant))
+        if (DateTimeOffset.TryParse(value, formatProvider, DateTimeStyles.None, out var instant))
             return FromDate(instant);
 
         return null;
     }
 
-    public static Snowflake Parse(string str, IFormatProvider? formatProvider) =>
-        TryParse(str, formatProvider) ?? throw new FormatException($"Invalid snowflake '{str}'.");
+    public static Snowflake Parse(string value, IFormatProvider? formatProvider) =>
+        TryParse(value, formatProvider) ?? throw new FormatException($"Invalid snowflake '{value}'.");
 
-    public static Snowflake Parse(string str) => Parse(str, null);
+    public static Snowflake Parse(string value) => Parse(value, null);
 }
 
 public partial record struct Snowflake : IComparable<Snowflake>, IComparable

DiscordChatExporter.Core/Exporting/ChannelExporter.cs

@@ -22,7 +22,9 @@ public class ChannelExporter(DiscordClient discord)
         if (request.Channel.Kind == ChannelKind.GuildForum)
         {
             throw new DiscordChatExporterException(
-                $"Channel '{request.Channel.Name}' (#{request.Channel.Id}) is a forum and cannot be exported directly. "
+                $"Channel '{request.Channel.Name}' (#{request.Channel.Id}) "
+                    + $"of guild '{request.Guild.Name}' (#{request.Guild.Id}) "
+                    + $"is a forum and cannot be exported directly. "
                     + "You need to pull its threads and export them individually."
             );
         }
@@ -31,7 +33,9 @@ public class ChannelExporter(DiscordClient discord)
         if (request.Channel.IsEmpty)
         {
             throw new DiscordChatExporterException(
-                $"Channel '{request.Channel.Name}' (#{request.Channel.Id}) does not contain any messages."
+                $"Channel '{request.Channel.Name}' (#{request.Channel.Id}) "
+                    + $"of guild '{request.Guild.Name}' (#{request.Guild.Id}) "
+                    + $"does not contain any messages."
             );
         }
 
@@ -39,7 +43,9 @@ public class ChannelExporter(DiscordClient discord)
         if (request.After is not null && !request.Channel.MayHaveMessagesAfter(request.After.Value))
         {
             throw new DiscordChatExporterException(
-                $"Channel '{request.Channel.Name}' (#{request.Channel.Id}) does not contain any messages within the specified period."
+                $"Channel '{request.Channel.Name}' (#{request.Channel.Id}) "
+                    + $"of guild '{request.Guild.Name}' (#{request.Guild.Id}) "
+                    + $"does not contain any messages within the specified period."
             );
         }
 
@@ -50,7 +56,9 @@ public class ChannelExporter(DiscordClient discord)
         )
         {
             throw new DiscordChatExporterException(
-                $"Channel '{request.Channel.Name}' (#{request.Channel.Id}) does not contain any messages within the specified period."
+                $"Channel '{request.Channel.Name}' (#{request.Channel.Id}) "
+                    + $"of guild '{request.Guild.Name}' (#{request.Guild.Id}) "
+                    + $"does not contain any messages within the specified period."
             );
         }
 
@@ -84,7 +92,9 @@ public class ChannelExporter(DiscordClient discord)
             {
                 // Provide more context to the exception, to simplify debugging based on error messages
                 throw new DiscordChatExporterException(
-                    $"Failed to export message #{message.Id} in channel '{request.Channel.Name}' (#{request.Channel.Id}).",
+                    $"Failed to export message #{message.Id} "
+                        + $"in channel '{request.Channel.Name}' (#{request.Channel.Id}) "
+                        + $"of guild '{request.Guild.Name} (#{request.Guild.Id})'.",
                     ex is not DiscordChatExporterException dex || dex.IsFatal,
                     ex
                 );
@@ -95,7 +105,9 @@ public class ChannelExporter(DiscordClient discord)
         if (messageExporter.MessagesExported <= 0)
         {
             throw new DiscordChatExporterException(
-                $"Channel '{request.Channel.Name}' (#{request.Channel.Id}) does not contain any matching messages within the specified period."
+                $"Channel '{request.Channel.Name}' (#{request.Channel.Id}) "
+                    + $"of guild '{request.Guild.Name}' (#{request.Guild.Id}) "
+                    + $"does not contain any matching messages within the specified period."
             );
         }
     }