Metamigo -> Bridge

apps/bridge-worker/tasks/voice-line-audio-update.ts

@@ -0,0 +1,48 @@
+import { createHash } from "crypto";
+import { withDb, AppDatabase } from "../db";
+import { convert } from "../lib/media-convert";
+
+interface VoiceLineAudioUpdateTaskOptions {
+  voiceLineId: string;
+}
+
+const sha1sum = (v: any) => {
+  const shasum = createHash("sha1");
+  shasum.update(v);
+  return shasum.digest("hex");
+};
+
+const voiceLineAudioUpdateTask = async (
+  payload: VoiceLineAudioUpdateTaskOptions
+): Promise<void> =>
+  withDb(async (db: AppDatabase) => {
+    const { voiceLineId } = payload;
+    const voiceLine = await db.voiceLines.findById({ id: voiceLineId });
+    if (!voiceLine) return;
+    if (!voiceLine?.promptAudio?.["audio/webm"]) return;
+
+    const webm = Buffer.from(voiceLine.promptAudio["audio/webm"], "base64");
+    const webmSha1 = sha1sum(webm);
+
+    if (
+      voiceLine.promptAudio.checksum &&
+      voiceLine.promptAudio.checksum === webmSha1
+    ) {
+      // already converted
+      return;
+    }
+
+    const mp3 = await convert(webm);
+    await db.voiceLines.updateById(
+      { id: voiceLine.id },
+      {
+        promptAudio: {
+          ...voiceLine.promptAudio,
+          "audio/mpeg": mp3.toString("base64"),
+          checksum: webmSha1,
+        },
+      }
+    );
+  });
+
+export default voiceLineAudioUpdateTask;