50 lines
1.8 KiB
TypeScript
50 lines
1.8 KiB
TypeScript
import { existsSync, mkdirSync } from "node:fs";
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import { writeFile } from "node:fs/promises";
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import { NextRequest, NextResponse } from "next/server";
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import { EdgeTTS } from "edge-tts-universal";
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import { getAudioDirectory, getAudioFilePath, getAudioPublicPath } from "@/lib/audio";
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import { findWord, getSettings, updateWordAudio } from "@/lib/db";
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export const runtime = "nodejs";
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export const dynamic = "force-dynamic";
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type RouteContext = {
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params: Promise<{ id: string }>;
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};
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export async function POST(_request: NextRequest, context: RouteContext) {
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try {
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const { id } = await context.params;
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const wordId = Number(id);
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const word = findWord(wordId);
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if (!word) {
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return NextResponse.json({ message: "词库不存在" }, { status: 404 });
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}
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const audioDirectory = getAudioDirectory();
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if (!existsSync(audioDirectory)) {
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mkdirSync(audioDirectory, { recursive: true });
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}
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const safeEnglish = word.english.toLowerCase().replace(/[^a-z0-9]+/g, "-").replace(/(^-|-$)/g, "");
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const fileName = `${word.id}-${safeEnglish || "word"}.mp3`;
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const filePath = getAudioFilePath(fileName);
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const publicPath = `${getAudioPublicPath(fileName)}?v=${Date.now()}`;
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const settings = getSettings();
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const tts = new EdgeTTS(word.english, settings.ttsVoice, {
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rate: settings.ttsRate,
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});
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const result = await tts.synthesize();
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const audioBuffer = Buffer.from(await result.audio.arrayBuffer());
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await writeFile(filePath, audioBuffer);
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const updatedWord = updateWordAudio(word.id, publicPath);
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return NextResponse.json({ word: updatedWord });
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} catch (error) {
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const message = error instanceof Error ? error.message : "生成语音失败";
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return NextResponse.json({ message }, { status: 500 });
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}
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}
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