feat: add removal feature

SuggestionBot/AutocompleteProviders/SuggestionAutocompleteProvider.cs

@@ -35,6 +35,11 @@ public Task<IEnumerable<DiscordAutoCompleteChoice>> Provider(AutocompleteContext
         for (var index = 0; index < count; index++)
         {
             Suggestion suggestion = suggestions[index];
+            if (suggestion.Status == SuggestionStatus.Removed)
+            {
+                continue;
+            }
+
             DiscordUser author = suggestionService.GetAuthor(suggestion);
             string[] contentWords = suggestion.Content.Split();
 

SuggestionBot/Commands/SuggestionCommand.Remove.cs

@@ -0,0 +1,46 @@
+using DSharpPlus.Entities;
+using DSharpPlus.SlashCommands;
+using SuggestionBot.AutocompleteProviders;
+using SuggestionBot.Data;
+using X10D.DSharpPlus;
+
+namespace SuggestionBot.Commands;
+
+internal sealed partial class SuggestionCommand
+{
+    [SlashCommand("remove", "Remove a suggestion.", false)]
+    public async Task RemoveAsync(InteractionContext context,
+        [Option("suggestion", "The suggestion whose status to change.")]
+        [Autocomplete(typeof(SuggestionAutocompleteProvider))]
+        string query,
+        [Option("remarks", "Additional remarks about the suggestion.")]
+        string? remarks = null)
+    {
+        var response = new DiscordInteractionResponseBuilder();
+
+        if (!TryGetSuggestion(context.Guild, query, out Suggestion? suggestion))
+        {
+            response.AsEphemeral();
+            response.AddEmbed(CreateNotFoundEmbed(query));
+            await context.CreateResponseAsync(ResponseType, response).ConfigureAwait(false);
+            return;
+        }
+
+        var embed = new DiscordEmbedBuilder();
+        if (_suggestionService.SetStatus(suggestion, SuggestionStatus.Removed, context.Member, remarks))
+        {
+            embed.WithColor(DiscordColor.Red);
+            embed.WithTitle("Suggestion Removed");
+            embed.WithDescription($"The suggestion with the ID {suggestion.Id} has been REMOVED.");
+            if (!string.IsNullOrWhiteSpace(remarks))
+            {
+                embed.AddField("Staff Remarks", remarks);
+            }
+
+            await _mailmanService.SendSuggestionAsync(suggestion).ConfigureAwait(false);
+        }
+
+        response.AddEmbed(embed);
+        await context.CreateResponseAsync(ResponseType, response).ConfigureAwait(false);
+    }
+}

SuggestionBot/Commands/SuggestionCommand.SetStatus.cs

@@ -1,4 +1,4 @@
-using DSharpPlus.Entities;
+using DSharpPlus.Entities;
 using DSharpPlus.SlashCommands;
 using Humanizer;
 using SuggestionBot.AutocompleteProviders;
@@ -21,7 +21,8 @@ public async Task SetStatusAsync(InteractionContext context,
     {
         var response = new DiscordInteractionResponseBuilder();
 
-        if (!TryGetSuggestion(context.Guild, query, out Suggestion? suggestion))
+        if (!TryGetSuggestion(context.Guild, query, out Suggestion? suggestion) ||
+            suggestion.Status == SuggestionStatus.Removed)
         {
             response.AsEphemeral();
             response.AddEmbed(CreateNotFoundEmbed(query));

SuggestionBot/Configuration/GuildConfiguration.cs

@@ -47,6 +47,12 @@ public sealed class GuildConfiguration
     /// <value>The embed color for rejected suggestions.</value>
     public int RejectedColor { get; set; } = 0xFF0000;
 
+    /// <summary>
+    ///     Gets or sets the embed color for removed suggestions.
+    /// </summary>
+    /// <value>The embed color for removed suggestions.</value>
+    public int RemovedColor { get; set; } = 0xFF0000;
+
     /// <summary>
     ///     Gets or sets the channel ID for posting suggestions.
     /// </summary>

SuggestionBot/Data/SuggestionStatus.cs

@@ -8,5 +8,6 @@ public enum SuggestionStatus
     Suggested,
     Rejected,
     Implemented,
-    Accepted
+    Accepted,
+    Removed
 }

SuggestionBot/Resources/PrivateMessages.resx

@@ -24,6 +24,13 @@
         </value>
     </resheader>
 
+    <data name="RemovedDescription" xml:space="preserve">
+        <value>{user.Mention}, your suggestion in **{guild.Name}** has been removed by staff because it was inappropriate or violated our server rules.
+Repeated abuse will result in you losing access to the channel.
+
+If you have any further questions, please reach us by sending a DM to ModMail.</value>
+    </data>
+
     <data name="RejectedDescription" xml:space="preserve">
         <value>Hi {user.Mention}. Unfortunately, your suggestion in **{guild.Name}** has been rejected by staff at this time.
 Keep in mind that while a suggestion may be popular, there is no guarantee that it will be accepted. Nevertheless, we thank you for your contribution and feedback.

SuggestionBot/Services/MailmanService.cs

@@ -1,4 +1,4 @@
-using DSharpPlus;
+using DSharpPlus;
 using DSharpPlus.Entities;
 using Humanizer;
 using SmartFormat;
@@ -74,6 +74,11 @@ public async Task SendSuggestionAsync(Suggestion suggestion)
             embed.AddField("Staff Remarks", suggestion.Remarks);
         }
 
+        if (suggestion.Status != SuggestionStatus.Removed)
+        {
+            embed.AddField("View Suggestion", suggestionLink);
+        }
+
         await member.SendMessageAsync(embed).ConfigureAwait(false);
     }
 
@@ -86,6 +91,12 @@ private bool TryBuildEmbed(Suggestion suggestion, DiscordEmbedBuilder embed, Dis
 
         switch (suggestion.Status)
         {
+            case SuggestionStatus.Removed:
+                embed.WithColor(configuration.RemovedColor);
+                embed.WithTitle("Suggestion Removed");
+                embed.WithDescription(PrivateMessages.RemovedDescription.FormatSmart(new { user = author, guild }));
+                break;
+
             case SuggestionStatus.Rejected:
                 embed.WithColor(configuration.RejectedColor);
                 embed.WithTitle("Suggestion Rejected");

SuggestionBot/Services/SuggestionService.cs

@@ -99,7 +99,7 @@ public DiscordEmbed CreatePrivateEmbed(Suggestion suggestion)
         embed.AddField("Submitted", Formatter.Timestamp(suggestion.Timestamp), true);
         embed.AddField("View Suggestion", GetSuggestionLink(suggestion), true);
 
-        if (suggestion.ThreadId != 0)
+        if (suggestion.ThreadId != 0 && suggestion.Status != SuggestionStatus.Removed)
         {
             embed.AddField("View Discussion", MentionUtility.MentionChannel(suggestion.ThreadId), true);
         }
@@ -503,14 +503,18 @@ public bool SetStatus(Suggestion suggestion,
             SuggestionStatus.Rejected => configuration.RejectedColor,
             SuggestionStatus.Implemented => configuration.ImplementedColor,
             SuggestionStatus.Accepted => configuration.AcceptedColor,
+            SuggestionStatus.Removed => configuration.RemovedColor,
             _ => DiscordColor.CornflowerBlue
         });
         embed.WithTitle("Suggestion Status Updated");
         embed.WithDescription($"The status of suggestion {suggestion.Id} has been updated to **{humanizedStatus}**.");
         embed.AddField("Old Status", oldHumanizedStatus, true);
         embed.AddField("New Status", humanizedStatus, true);
         embed.AddField("Staff Member", staffMember.Mention, true);
-        embed.AddField("View Suggestion", GetSuggestionLink(suggestion), true);
+        if (status != SuggestionStatus.Removed)
+        {
+            embed.AddField("View Suggestion", GetSuggestionLink(suggestion), true);
+        }
 
         if (!string.IsNullOrWhiteSpace(remarks))
         {
@@ -652,6 +656,18 @@ public async Task UpdateSuggestionAsync(Suggestion suggestion)
             return;
         }
 
+        if (suggestion.Status == SuggestionStatus.Removed)
+        {
+            DiscordThreadChannel? thread = GetThread(suggestion);
+            if (thread is not null)
+            {
+                await thread.DeleteAsync().ConfigureAwait(false);
+            }
+
+            await message.DeleteAsync();
+            return;
+        }
+
         DiscordEmbed embed = CreatePublicEmbed(suggestion);
         await message.ModifyAsync(m => m.Embed = embed).ConfigureAwait(false);