Use embedded slash command responses

This commit is contained in:
MrDevBot
2026-09-01 20:13:10 +10:00
parent ffb392e48f
commit aa8776bd2f
+36 -22
View File
@@ -9,6 +9,7 @@ using NetCord;
using NetCord.Gateway;
using NetCord.Hosting.Gateway;
using NetCord.Hosting.Services.ApplicationCommands;
using NetCord.Rest;
using NetCord.Services.ApplicationCommands;
string Env(string key, string? fallback = null) => Environment.GetEnvironmentVariable(key) ?? fallback
@@ -36,20 +37,23 @@ builder.Services.AddDiscordGateway(o => { o.Token = discordToken; o.Intents = Ga
.AddApplicationCommands();
var host = builder.Build();
InteractionMessageProperties Reply(string title, string text, int color) => new InteractionMessageProperties()
.AddEmbeds(new EmbedProperties().WithTitle(title).WithDescription(text).WithColor(new(color)))
.WithFlags(MessageFlags.Ephemeral);
InteractionMessageProperties Denied(string text = "You are not authorised to use this command.") => Reply("Access denied", text, 0xED4245);
bool Allowed(ApplicationCommandContext c) { lock (whitelistLock) return whitelist.Contains(c.User.Id); }
string Whitelist(ApplicationCommandContext c, string discordId, bool add)
InteractionMessageProperties Whitelist(ApplicationCommandContext c, User user, bool add)
{
if (c.User.Id != initialUser) return "Not authorised.";
if (!ulong.TryParse(discordId, out ulong id)) return "Invalid Discord ID.";
if (!add && id == initialUser) return "The whitelist owner cannot be removed.";
if (c.User.Id != initialUser) return Denied("Only the whitelist owner can manage access.");
if (!add && user.Id == initialUser) return Reply("Whitelist unchanged", "The whitelist owner cannot be removed.", 0xFEE75C);
lock (whitelistLock)
{
bool changed = add ? whitelist.Add(id) : whitelist.Remove(id);
if (!changed) return add ? "Already whitelisted." : "Not whitelisted.";
bool changed = add ? whitelist.Add(user.Id) : whitelist.Remove(user.Id);
if (!changed) return Reply("Whitelist unchanged", add ? $"<@{user.Id}> is already whitelisted." : $"<@{user.Id}> is not whitelisted.", 0xFEE75C);
string temp = whitelistPath + ".tmp";
File.WriteAllLines(temp, whitelist.Order().Select(x => x.ToString()));
File.Move(temp, whitelistPath, true);
return $"{(add ? "Added" : "Removed")} <@{id}>.";
return Reply("Whitelist updated", $"{(add ? "Added" : "Removed")} <@{user.Id}>.", 0x57F287);
}
}
async Task<string> Command(string command, bool allowDisconnect = false)
@@ -112,23 +116,24 @@ async Task Ready(string kind)
}
Console.Error.WriteLine($"{kind} restart timed out waiting for readiness.");
}
async Task<string> Manual()
async Task<InteractionMessageProperties> Manual()
{
if (!await gate.WaitAsync(0)) return "A restart is already in progress.";
if (!await gate.WaitAsync(0)) return Reply("Restart busy", "A restart is already in progress.", 0xFEE75C);
bool release = true;
try
{
if (lastManual is { } last && DateTimeOffset.UtcNow - last < cooldown) return "Restart cooldown is active.";
if (lastManual is { } last && DateTimeOffset.UtcNow - last < cooldown)
return Reply("Restart cooldown", $"Try again in {Math.Ceiling((cooldown - (DateTimeOffset.UtcNow - last)).TotalSeconds)} seconds.", 0xFEE75C);
int count = (await Players()).Count;
if (count == 0) count = (await Players()).Count;
if (count != 0) return $"Denied: {count} player(s) online.";
if (count != 0) return Reply("Restart denied", $"{count} player{(count == 1 ? " is" : "s are")} online.", 0xED4245);
await Quit();
lastManual = DateTimeOffset.UtcNow;
release = false;
_ = Task.Run(async () => { try { await Ready("Manual"); } finally { gate.Release(); } });
return "Restart accepted.";
return Reply("Restart accepted", "No players are online. The server is restarting.", 0x57F287);
}
catch (Exception e) { return $"Denied: {e.Message}"; }
catch (Exception e) { return Reply("Restart unavailable", e.Message, 0xED4245); }
finally { if (release) gate.Release(); }
}
async Task Warn(int seconds)
@@ -172,22 +177,31 @@ async Task Schedule(CancellationToken token)
}
host.AddSlashCommand("status", "Show server status", async (ApplicationCommandContext c) =>
!Allowed(c) ? "Not authorised." : await Status());
!Allowed(c) ? Denied() : await Status());
host.AddSlashCommand("restart", "Restart when no players are online", (ApplicationCommandContext c) =>
Allowed(c) ? Manual() : Task.FromResult("Not authorised."));
Allowed(c) ? Manual() : Task.FromResult(Denied()));
host.AddSlashCommand("players", "List online players", async (ApplicationCommandContext c) =>
!Allowed(c) ? "Not authorised." : await PlayerList());
!Allowed(c) ? Denied() : await PlayerList());
host.AddSlashCommandGroup("whitelist", "Manage bot access", group =>
{
group.AddSubCommand("add", "Add a Discord user", (string discordId, ApplicationCommandContext c) => Whitelist(c, discordId, true));
group.AddSubCommand("del", "Remove a Discord user", (string discordId, ApplicationCommandContext c) => Whitelist(c, discordId, false));
group.AddSubCommand("add", "Add a Discord user", (User user, ApplicationCommandContext c) => Whitelist(c, user, true));
group.AddSubCommand("del", "Remove a Discord user", (User user, ApplicationCommandContext c) => Whitelist(c, user, false));
});
async Task<string> Status() { try { return $"Server online; {(await Players()).Count} player(s)."; } catch { return "Server unavailable."; } }
async Task<string> PlayerList()
async Task<InteractionMessageProperties> Status()
{
try { var p = await Players(); return p.Count == 0 ? "No players online." : $"Online ({p.Count}): {string.Join(", ", p.Names)}"; }
catch { return "Unable to query players."; }
try { return Reply("Server online", $"{(await Players()).Count} player(s) connected.", 0x57F287); }
catch { return Reply("Server unavailable", "Project Zomboid is offline, restarting, or unreachable.", 0xED4245); }
}
async Task<InteractionMessageProperties> PlayerList()
{
try
{
var p = await Players();
return Reply("Online players", p.Count == 0 ? "No players are online." : p.Names.Length == 0
? $"{p.Count} player(s) online; names unavailable." : string.Join("\n", p.Names.Select(x => $"• {x}")), 0x5865F2);
}
catch { return Reply("Player query failed", "Unable to query the server.", 0xED4245); }
}
await host.StartAsync();