feat(connections): #info remove-server button with confirm

Author: HandyS11

src/RustPlusBot.Features.Connections/Modules/ServerRemovalModule.cs

@@ -0,0 +1,79 @@
+using Discord;
+using Discord.Interactions;
+using Microsoft.Extensions.DependencyInjection;
+using RustPlusBot.Features.Connections.Removal;
+using RustPlusBot.Features.Workspace;
+
+namespace RustPlusBot.Features.Connections.Modules;
+
+/// <summary>Handles the #info "Remove server" button and its confirmation (ManageGuild).</summary>
+/// <param name="scopeFactory">Creates a short-lived DI scope per interaction.</param>
+public sealed class ServerRemovalModule(IServiceScopeFactory scopeFactory)
+    : InteractionModuleBase<SocketInteractionContext>
+{
+    private const string RemoveConfirmPrefix = "connections:server:remove:confirm:";
+    private const string RemoveCancelId = "connections:server:remove:cancel";
+
+    /// <summary>Opens an ephemeral confirmation for removing the server.</summary>
+    /// <param name="serverIdRaw">The server id captured from the custom id.</param>
+    [ComponentInteraction(WorkspaceComponentIds.ServerInfoRemovePrefix + "*")]
+    [RequireUserPermission(GuildPermission.ManageGuild)]
+    public async Task RemovePromptAsync(string serverIdRaw)
+    {
+        if (Context.Guild is null)
+        {
+            await RespondAsync("This control must be used in a server.", ephemeral: true).ConfigureAwait(false);
+            return;
+        }
+
+        if (!Guid.TryParse(serverIdRaw, out var serverId))
+        {
+            await RespondAsync("That selection wasn't valid.", ephemeral: true).ConfigureAwait(false);
+            return;
+        }
+
+        var components = new ComponentBuilder()
+            .WithButton("Remove server", $"{RemoveConfirmPrefix}{serverId}", ButtonStyle.Danger)
+            .WithButton("Cancel", RemoveCancelId, ButtonStyle.Secondary)
+            .Build();
+        await RespondAsync(
+                "This permanently deletes the category, all channels, and stored credentials for this server. Continue?",
+                ephemeral: true, components: components)
+            .ConfigureAwait(false);
+    }
+
+    /// <summary>Removes the server after confirmation.</summary>
+    /// <param name="serverIdRaw">The server id captured from the custom id.</param>
+    [ComponentInteraction(RemoveConfirmPrefix + "*")]
+    [RequireUserPermission(GuildPermission.ManageGuild)]
+    public async Task RemoveConfirmAsync(string serverIdRaw)
+    {
+        if (Context.Guild is null)
+        {
+            await RespondAsync("This control must be used in a server.", ephemeral: true).ConfigureAwait(false);
+            return;
+        }
+
+        if (!Guid.TryParse(serverIdRaw, out var serverId))
+        {
+            await RespondAsync("That selection wasn't valid.", ephemeral: true).ConfigureAwait(false);
+            return;
+        }
+
+        await DeferAsync(ephemeral: true).ConfigureAwait(false);
+
+        var scope = scopeFactory.CreateAsyncScope();
+        await using (scope.ConfigureAwait(false))
+        {
+            var removal = scope.ServiceProvider.GetRequiredService<IServerRemovalService>();
+            var removed = await removal.RemoveServerAsync(Context.Guild.Id, serverId).ConfigureAwait(false);
+            await FollowupAsync(removed ? "Server removed." : "That server no longer exists.", ephemeral: true)
+                .ConfigureAwait(false);
+        }
+    }
+
+    /// <summary>Cancels the removal.</summary>
+    [ComponentInteraction(RemoveCancelId)]
+    public async Task RemoveCancelAsync() =>
+        await RespondAsync("Cancelled.", ephemeral: true).ConfigureAwait(false);
+}