Initial English PK app

2026-06-29 23:56:38 +08:00
commit a5de242d2c
41 changed files with 13169 additions and 0 deletions
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+import { existsSync, mkdirSync } from "node:fs";
+import { writeFile } from "node:fs/promises";
+import path from "node:path";
+import { NextRequest, NextResponse } from "next/server";
+import { EdgeTTS } from "edge-tts-universal";
+
+export const runtime = "nodejs";
+export const dynamic = "force-dynamic";
+
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json();
+    const voice = String(body.voice ?? "en-US-EmmaMultilingualNeural");
+    const rate = String(body.rate ?? "-10%");
+    const text = String(body.text ?? "Hello, welcome to English PK.");
+
+    const audioDirectory = path.join(process.cwd(), "public", "audio", "preview");
+    if (!existsSync(audioDirectory)) {
+      mkdirSync(audioDirectory, { recursive: true });
+    }
+
+    const fileName = `tts-preview-${Date.now()}.mp3`;
+    const filePath = path.join(audioDirectory, fileName);
+    const publicPath = `/audio/preview/${fileName}`;
+
+    const tts = new EdgeTTS(text, voice, { rate });
+    const result = await tts.synthesize();
+    const audioBuffer = Buffer.from(await result.audio.arrayBuffer());
+    await writeFile(filePath, audioBuffer);
+
+    return NextResponse.json({ audio: publicPath });
+  } catch (error) {
+    const message = error instanceof Error ? error.message : "试听语音失败";
+    return NextResponse.json({ message }, { status: 500 });
+  }
+}