Save announcer voice across restarts

src/index.ts

@@ -8,6 +8,7 @@ process.on("uncaughtException", (err) => {
   console.error("Uncaught exception:", err);
 });
 import { openDatabase } from "./db/db.js";
+import type { BotStateRow } from "./db/schema.js";
 import { loadStrings, makeT } from "./i18n/strings.js";
 import { TTSRegistry } from "./tts/registry.js";
 import { AudioService } from "./audio/AudioService.js";
@@ -31,7 +32,16 @@ client.on(Events.Error, (err) => console.error("Discord client error:", err));
 client.on(Events.Warn, (msg) => console.warn("Discord client warning:", msg));
 
 const db = await openDatabase(config.DB_FILE);
-const tts = new TTSRegistry(config.ANNOUNCEMENT_ENGINE, config.ANNOUNCEMENT_VOICE);
+const savedEngine = await db.get<BotStateRow>(
+  "select value from BotState where key='announcement_engine'",
+);
+const savedVoice = await db.get<BotStateRow>(
+  "select value from BotState where key='announcement_voice'",
+);
+const tts = new TTSRegistry(
+  savedEngine?.value ?? config.ANNOUNCEMENT_ENGINE,
+  savedVoice?.value ?? config.ANNOUNCEMENT_VOICE,
+);
 const audio = new AudioService({ voiceTmpPath: config.VOICE_TMP_PATH, tts });
 const commands = new CommandRegistry(config.PREFIX);
 const strings = loadStrings(config.STRING_SET);

src/modules/ttsSettings.ts

@@ -4,10 +4,21 @@ import { respond } from "../audio/AudioService.js";
 import { formatCandidates } from "../tts/BaseEngine.js";
 import type { Module } from "./types.js";
 
-export const ttsSettings: Module = ({ audio, commands, tts, t, rootDir }) => {
+export const ttsSettings: Module = ({ audio, commands, tts, db, t, rootDir }) => {
   const sysmsg = join(rootDir, "sysmsg.wav");
 
-  commands.register("announcevoice", (args, message) => {
+  const persistAnnouncement = async () => {
+    await db.run("insert or replace into BotState (key, value) values (?, ?)", [
+      "announcement_engine",
+      tts.announcement.shortName,
+    ]);
+    await db.run("insert or replace into BotState (key, value) values (?, ?)", [
+      "announcement_voice",
+      tts.announcementVoice,
+    ]);
+  };
+
+  commands.register("announcevoice", async (args, message) => {
     const engineName = args[1];
     if (!engineName || args.length < 3) {
       respond(audio, sysmsg, message, t("TOO_MANY_ARGUMENTS"));
@@ -23,6 +34,7 @@ export const ttsSettings: Module = ({ audio, commands, tts, t, rootDir }) => {
     tts.announcement = engine;
     if (res.kind === "exact" || res.kind === "fuzzy") {
       tts.announcementVoice = res.voice;
+      await persistAnnouncement();
       respond(audio, sysmsg, message, t("SYSTEM_VOICE_CHANGED", res.voice, engine.longName));
     } else if (res.kind === "ambiguous") {
       respond(
@@ -33,6 +45,7 @@ export const ttsSettings: Module = ({ audio, commands, tts, t, rootDir }) => {
       );
     } else {
       tts.announcementVoice = engine.getDefaultVoice();
+      await persistAnnouncement();
       respond(
         audio,
         sysmsg,