Defer before responding to slash commands

Author: InfinityGhost

TabletBot.Discord/SlashCommands/ModerationSlashCommands.cs

@@ -169,7 +169,7 @@ private async Task Delete(SocketSlashCommand command)
 
             var messages = await command.Channel.GetMessagesAsync(amount).FlattenAsync();
             await (command.Channel as ITextChannel).DeleteMessagesAsync(messages);
-            await command.RespondAsync($"Deleted {amount} messages.", ephemeral: true);
+            await command.FollowupAsync($"Deleted {amount} messages.", ephemeral: true);
         }
 
         private async Task Kick(SocketSlashCommand command)
@@ -181,13 +181,13 @@ private async Task Kick(SocketSlashCommand command)
             {
                 await user.KickAsync(reason);
                 if (reason != null)
-                    await command.RespondAsync($"Kicked {user.Mention} for \"{reason}\".", ephemeral: true);
+                    await command.FollowupAsync($"Kicked {user.Mention} for \"{reason}\".", ephemeral: true);
                 else
-                    await command.RespondAsync($"Kicked {user.Mention}.", ephemeral: true);
+                    await command.FollowupAsync($"Kicked {user.Mention}.", ephemeral: true);
             }
             else
             {
-                await command.RespondAsync(
+                await command.FollowupAsync(
                     $"This user is not a member of this guild.",
                     ephemeral: true
                 );
@@ -205,13 +205,13 @@ private async Task Ban(SocketSlashCommand command)
             {
                 await user.BanAsync(reason: reason);
                 if (reason != null)
-                    await command.RespondAsync($"Banned {user.Mention} for \"{reason}\".", ephemeral: true);
+                    await command.FollowupAsync($"Banned {user.Mention} for \"{reason}\".", ephemeral: true);
                 else
-                    await command.RespondAsync($"Banned {user.Mention}.", ephemeral: true);
+                    await command.FollowupAsync($"Banned {user.Mention}.", ephemeral: true);
             }
             else
             {
-                await command.RespondAsync(
+                await command.FollowupAsync(
                     $"This user is not a member of this guild.",
                     ephemeral: true
                 );
@@ -243,7 +243,7 @@ private async Task CreateEmbed(SocketSlashCommand command)
             if (image != null)
                 embed = embed.WithImageUrl(image);
 
-            await command.RespondAsync(embed: embed.Build());
+            await command.FollowupAsync(embed: embed.Build());
         }
     }
 }

TabletBot.Discord/SlashCommands/SlashCommand.cs

@@ -22,6 +22,7 @@ public async Task Invoke(SocketSlashCommand command)
                 var user = command.User as IGuildUser;
                 if (HasCorrectPermissions(user))
                 {
+                    await command.DeferAsync(true);
                     await Handler(command);
                 }
                 else

TabletBot.Discord/SlashCommands/SnippetSlashCommands.cs

@@ -144,9 +144,9 @@ private async Task ShowSnippet(SocketSlashCommand command)
             var snippet = command.GetValue<string>("snippet");
 
             if (SnippetEmbeds.TryGetSnippetEmbed(_settings, snippet, out var embed))
-                await command.RespondAsync(embed: embed.Build());
+                await command.FollowupAsync(embed: embed.Build());
             else
-                await command.RespondAsync("Could not find snippet");
+                await command.FollowupAsync("Could not find snippet");
         }
 
         private async Task SetSnippet(SocketSlashCommand command)
@@ -170,7 +170,7 @@ private async Task SetSnippet(SocketSlashCommand command)
 
             await _settings.Overwrite();
             OnUpdate();
-            await command.RespondAsync(embed: SnippetEmbeds.GetSnippetEmbed(store).Build());
+            await command.FollowupAsync(embed: SnippetEmbeds.GetSnippetEmbed(store).Build());
         }
 
         private async Task RemoveSnippet(SocketSlashCommand command)
@@ -195,11 +195,11 @@ private async Task RemoveSnippet(SocketSlashCommand command)
                 };
                 await _settings.Overwrite();
                 OnUpdate();
-                await command.RespondAsync(embed: embed.Build());
+                await command.FollowupAsync(embed: embed.Build());
             }
             else
             {
-                await command.RespondAsync("Could not find snippet");
+                await command.FollowupAsync("Could not find snippet");
             }
         }
 
@@ -215,7 +215,7 @@ private async Task ExportSnippet(SocketSlashCommand command)
                 sb.AppendLine(store.Content.Replace(Environment.NewLine, @"\n"));
                 sb.AppendLine(Formatting.CODE_BLOCK);
 
-                await command.RespondAsync(sb.ToString());
+                await command.FollowupAsync(sb.ToString());
             }
         }
 

TabletBot.Discord/SlashCommands/UserSlashCommands.cs

@@ -42,12 +42,12 @@ private async Task SetTablet(SocketSlashCommand command)
             if (tablet != null)
             {
                 await user.ModifyAsync(u => u.Nickname = $"{user.Username} | {tablet}");
-                await command.RespondAsync($"Your nickname has updated to include your tablet.", ephemeral: true);
+                await command.FollowupAsync($"Your nickname has updated to include your tablet.", ephemeral: true);
             }
             else
             {
                 await user.ModifyAsync(u => u.Nickname = null);
-                await command.RespondAsync($"Your nickname has been reset.", ephemeral: true);
+                await command.FollowupAsync($"Your nickname has been reset.", ephemeral: true);
             }
         }
     }