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- <span class="cline-any cline-no"> </span></td><td class="text"><pre class="prettyprint lang-js"><span class="cstat-no" title="statement not covered" >import Router from '@koa/router';<span class="fstat-no" title="function not covered" ><span class="branch-0 cbranch-no" title="branch not covered" ></span></span></span>
- import { Context } from 'koa';
- <span class="cstat-no" title="statement not covered" >import path from 'path';</span>
- <span class="cstat-no" title="statement not covered" >import fs from 'fs';</span>
- <span class="cstat-no" title="statement not covered" >import * as TtsService from './tts.service';</span>
- <span class="cstat-no" title="statement not covered" >import { BadRequestError, NotFoundError } from '../../middleware/errorHandler';</span>
- <span class="cstat-no" title="statement not covered" >import { optionalAuth } from '../../middleware/auth';</span>
- import { usageLimitMiddleware, checkWordLimit } from '../../middleware/usageLimit';
- <span class="cstat-no" title="statement not covered" >import { checkAudioQuota } from '../subscription/subscription.service';</span>
- <span class="cstat-no" title="statement not covered" >import { prisma } from '../../models';</span>
-
- <span class="cstat-no" title="statement not covered" >const router = new Router();</span>
-
- // 获取可用音色列表
- <span class="cstat-no" title="statement not covered" >router.get('/voices', async (ctx: Context) => {</span>
- <span class="cstat-no" title="statement not covered" > const voices = TtsService.getVoices();</span>
- <span class="cstat-no" title="statement not covered" > const baseUrl = `${ctx.protocol}://${ctx.host}`;</span>
-
- // 为每个音色注入本地预览URL
- <span class="cstat-no" title="statement not covered" > const result = voices.map(v => ({</span>
- <span class="cstat-no" title="statement not covered" > ...v,</span>
- <span class="cstat-no" title="statement not covered" > preview: fs.existsSync(path.join(process.cwd(), '..', 'voices', `${v.id}.mp3`))</span>
- <span class="cstat-no" title="statement not covered" > ? `${baseUrl}/tts/voices/${v.id}.mp3`</span>
- <span class="cstat-no" title="statement not covered" > : undefined,</span>
- <span class="cstat-no" title="statement not covered" > }));</span>
-
- <span class="cstat-no" title="statement not covered" > ctx.body = {</span>
- <span class="cstat-no" title="statement not covered" > code: 0,</span>
- <span class="cstat-no" title="statement not covered" > message: 'success',</span>
- <span class="cstat-no" title="statement not covered" > data: { voices: result },</span>
- <span class="cstat-no" title="statement not covered" > };</span>
- <span class="cstat-no" title="statement not covered" >});</span>
-
- // 获取可用 TTS 服务商列表
- <span class="cstat-no" title="statement not covered" >router.get('/providers', async (ctx: Context) => {</span>
- <span class="cstat-no" title="statement not covered" > const providers = TtsService.getAvailableProviders();</span>
-
- <span class="cstat-no" title="statement not covered" > ctx.body = {</span>
- <span class="cstat-no" title="statement not covered" > code: 0,</span>
- <span class="cstat-no" title="statement not covered" > message: 'success',</span>
- <span class="cstat-no" title="statement not covered" > data: { providers },</span>
- <span class="cstat-no" title="statement not covered" > };</span>
- <span class="cstat-no" title="statement not covered" >});</span>
-
- // 测试 MySQL 连接
- <span class="cstat-no" title="statement not covered" >router.get('/test-db', async (ctx: Context) => {</span>
- <span class="cstat-no" title="statement not covered" > try {</span>
- <span class="cstat-no" title="statement not covered" > const count = await prisma.book.count();</span>
- <span class="cstat-no" title="statement not covered" > ctx.body = {</span>
- <span class="cstat-no" title="statement not covered" > code: 0,</span>
- <span class="cstat-no" title="statement not covered" > message: 'success',</span>
- <span class="cstat-no" title="statement not covered" > data: { count, connectionState: 'connected' },</span>
- <span class="cstat-no" title="statement not covered" > };</span>
- <span class="cstat-no" title="statement not covered" > } catch (error: any) {</span>
- <span class="cstat-no" title="statement not covered" > ctx.body = {</span>
- <span class="cstat-no" title="statement not covered" > code: 500,</span>
- <span class="cstat-no" title="statement not covered" > message: 'error',</span>
- <span class="cstat-no" title="statement not covered" > data: { error: error.message },</span>
- <span class="cstat-no" title="statement not covered" > };</span>
- <span class="cstat-no" title="statement not covered" > }</span>
- <span class="cstat-no" title="statement not covered" >});</span>
-
- // 生成音频(异步模式 - 复用有声书生成立逻辑)
- <span class="cstat-no" title="statement not covered" >router.post(</span>
- <span class="cstat-no" title="statement not covered" > '/generate',</span>
- <span class="cstat-no" title="statement not covered" > optionalAuth,</span>
- <span class="cstat-no" title="statement not covered" > async (ctx: Context) => {</span>
- <span class="cstat-no" title="statement not covered" > const userId = ctx.state.user?.userId;</span>
- <span class="cstat-no" title="statement not covered" > const { text, voiceId, voiceParams, bookId, chapterTitle } = ctx.request.body as {</span>
- text: string;
- voiceId: string;
- voiceParams?: { speed?: number; pitch?: number; volume?: number };
- bookId?: string;
- chapterTitle?: string;
- };
-
- // 调试日志
- <span class="cstat-no" title="statement not covered" > console.log('📥 收到 TTS 请求:', { textLength: text?.length, voiceId, voiceParams, bookId, chapterTitle });</span>
-
- // 参数验证
- <span class="cstat-no" title="statement not covered" > if (!text || text.trim().length === 0) {</span>
- <span class="cstat-no" title="statement not covered" > throw new BadRequestError('请输入要转换的文本');</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- <span class="cstat-no" title="statement not covered" > if (text.trim().length < 10) {</span>
- <span class="cstat-no" title="statement not covered" > throw new BadRequestError('文本过短,至少需要10个字符');</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- <span class="cstat-no" title="statement not covered" > if (!voiceId) {</span>
- <span class="cstat-no" title="statement not covered" > throw new BadRequestError('请选择音色');</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- // 如果指定了 bookId,验证书籍是否存在
- <span class="cstat-no" title="statement not covered" > if (bookId) {</span>
- <span class="cstat-no" title="statement not covered" > const book = await prisma.book.findUnique({ where: { id: parseInt(bookId) } });</span>
- <span class="cstat-no" title="statement not covered" > if (!book) {</span>
- <span class="cstat-no" title="statement not covered" > throw new NotFoundError('书籍不存在');</span>
- <span class="cstat-no" title="statement not covered" > }</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- // ========== 统一音频分钟配额检查 ==========
- <span class="cstat-no" title="statement not covered" > const wordCount = text.length;</span>
- <span class="cstat-no" title="statement not covered" > const effectiveUserId = userId ? parseInt(userId) : null;</span>
-
- <span class="cstat-no" title="statement not covered" > if (effectiveUserId) {</span>
- <span class="cstat-no" title="statement not covered" > const audioQuota = await checkAudioQuota(effectiveUserId, wordCount);</span>
- <span class="cstat-no" title="statement not covered" > if (!audioQuota.allowed) {</span>
- <span class="cstat-no" title="statement not covered" > throw new BadRequestError(audioQuota.reason as string);</span>
- <span class="cstat-no" title="statement not covered" > }</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- // 默认参数
- <span class="cstat-no" title="statement not covered" > const params = {</span>
- <span class="cstat-no" title="statement not covered" > speed: voiceParams?.speed || 1.0,</span>
- <span class="cstat-no" title="statement not covered" > pitch: voiceParams?.pitch || 0,</span>
- <span class="cstat-no" title="statement not covered" > volume: voiceParams?.volume || 50,</span>
- <span class="cstat-no" title="statement not covered" > };</span>
-
- // 复用有声书生成立逻辑:创建章节 + 入队 TtsTask,立即返回
- <span class="cstat-no" title="statement not covered" > const result = await TtsService.requestTtsGeneration(userId, text, voiceId, params, {</span>
- <span class="cstat-no" title="statement not covered" > bookId,</span>
- <span class="cstat-no" title="statement not covered" > chapterTitle,</span>
- <span class="cstat-no" title="statement not covered" > });</span>
-
- <span class="cstat-no" title="statement not covered" > ctx.body = {</span>
- <span class="cstat-no" title="statement not covered" > code: 0,</span>
- <span class="cstat-no" title="statement not covered" > message: '音频生成任务已创建,正在排队处理',</span>
- <span class="cstat-no" title="statement not covered" > data: result, // { chapterId, bookId }</span>
- <span class="cstat-no" title="statement not covered" > };</span>
- <span class="cstat-no" title="statement not covered" > }</span>
- <span class="cstat-no" title="statement not covered" >);</span>
-
- // 获取音频生成状态
- <span class="cstat-no" title="statement not covered" >router.get('/status/:audioId', async (ctx: Context) => {</span>
- <span class="cstat-no" title="statement not covered" > const { audioId } = ctx.params;</span>
- <span class="cstat-no" title="statement not covered" > const result = await TtsService.getAudioStatus(audioId);</span>
-
- <span class="cstat-no" title="statement not covered" > if (result.status === 'not_found') {</span>
- <span class="cstat-no" title="statement not covered" > throw new NotFoundError('音频不存在');</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- <span class="cstat-no" title="statement not covered" > ctx.body = {</span>
- <span class="cstat-no" title="statement not covered" > code: 0,</span>
- <span class="cstat-no" title="statement not covered" > message: 'success',</span>
- <span class="cstat-no" title="statement not covered" > data: result,</span>
- <span class="cstat-no" title="statement not covered" > };</span>
- <span class="cstat-no" title="statement not covered" >});</span>
-
- // 获取章节音频生成状态(供前端轮询)
- <span class="cstat-no" title="statement not covered" >router.get('/chapter-status/:chapterId', async (ctx: Context) => {</span>
- <span class="cstat-no" title="statement not covered" > const { chapterId } = ctx.params;</span>
- <span class="cstat-no" title="statement not covered" > const id = parseInt(chapterId);</span>
-
- <span class="cstat-no" title="statement not covered" > if (isNaN(id)) {</span>
- <span class="cstat-no" title="statement not covered" > throw new BadRequestError('无效的章节ID');</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- <span class="cstat-no" title="statement not covered" > const chapter = await prisma.bookChapter.findUnique({</span>
- <span class="cstat-no" title="statement not covered" > where: { id },</span>
- <span class="cstat-no" title="statement not covered" > select: {</span>
- <span class="cstat-no" title="statement not covered" > id: true,</span>
- <span class="cstat-no" title="statement not covered" > genStage: true,</span>
- <span class="cstat-no" title="statement not covered" > audioUrl: true,</span>
- <span class="cstat-no" title="statement not covered" > audioDuration: true,</span>
- <span class="cstat-no" title="statement not covered" > title: true,</span>
- <span class="cstat-no" title="statement not covered" > },</span>
- <span class="cstat-no" title="statement not covered" > });</span>
-
- <span class="cstat-no" title="statement not covered" > if (!chapter) {</span>
- <span class="cstat-no" title="statement not covered" > throw new NotFoundError('章节不存在');</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- <span class="cstat-no" title="statement not covered" > ctx.body = {</span>
- <span class="cstat-no" title="statement not covered" > code: 0,</span>
- <span class="cstat-no" title="statement not covered" > message: 'success',</span>
- <span class="cstat-no" title="statement not covered" > data: {</span>
- <span class="cstat-no" title="statement not covered" > chapterId: chapter.id,</span>
- <span class="cstat-no" title="statement not covered" > genStage: chapter.genStage,</span>
- <span class="cstat-no" title="statement not covered" > audioUrl: chapter.audioUrl,</span>
- <span class="cstat-no" title="statement not covered" > audioDuration: chapter.audioDuration,</span>
- <span class="cstat-no" title="statement not covered" > title: chapter.title,</span>
- <span class="cstat-no" title="statement not covered" > isReady: chapter.genStage === 'audio_completed' || chapter.genStage === 'video_generating' || chapter.genStage === 'video_completed',</span>
- <span class="cstat-no" title="statement not covered" > isFailed: chapter.genStage === 'failed',</span>
- <span class="cstat-no" title="statement not covered" > },</span>
- <span class="cstat-no" title="statement not covered" > };</span>
- <span class="cstat-no" title="statement not covered" >});</span>
-
- // 预览音色 - 优先使用本地样本文件,不存在时才调用API生成
- <span class="cstat-no" title="statement not covered" >router.post('/preview', async (ctx: Context) => {</span>
- <span class="cstat-no" title="statement not covered" > const { voiceId } = ctx.request.body as {</span>
- voiceId: string;
- voiceParams?: { speed?: number; pitch?: number; volume?: number };
- };
-
- <span class="cstat-no" title="statement not covered" > if (!voiceId) {</span>
- <span class="cstat-no" title="statement not covered" > throw new BadRequestError('请选择音色');</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- <span class="cstat-no" title="statement not covered" > const baseUrl = `${ctx.protocol}://${ctx.host}`;</span>
- <span class="cstat-no" title="statement not covered" > const localFile = `/tts/voices/${voiceId}.mp3`;</span>
- <span class="cstat-no" title="statement not covered" > const filePath = path.join(process.cwd(), '..', 'voices', `${voiceId}.mp3`);</span>
-
- // 检查本地样本文件是否存在
- <span class="cstat-no" title="statement not covered" > if (fs.existsSync(filePath)) {</span>
- <span class="cstat-no" title="statement not covered" > console.log(`🎵 [Preview] 使用本地样本: ${voiceId}`);</span>
- <span class="cstat-no" title="statement not covered" > ctx.body = {</span>
- <span class="cstat-no" title="statement not covered" > code: 0,</span>
- <span class="cstat-no" title="statement not covered" > message: 'success',</span>
- <span class="cstat-no" title="statement not covered" > data: {</span>
- <span class="cstat-no" title="statement not covered" > previewText: `${voiceId} 音色试听`,</span>
- <span class="cstat-no" title="statement not covered" > voiceId,</span>
- <span class="cstat-no" title="statement not covered" > audioUrl: `${baseUrl}${localFile}`,</span>
- <span class="cstat-no" title="statement not covered" > },</span>
- <span class="cstat-no" title="statement not covered" > };</span>
- <span class="cstat-no" title="statement not covered" > return;</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- // 本地不存在,降级到 API 生成
- <span class="cstat-no" title="statement not covered" > console.log(`🔊 [Preview] 本地无样本,API生成: ${voiceId}`);</span>
- <span class="cstat-no" title="statement not covered" > const previewText = '你好,欢迎使用AI有声书';</span>
-
- <span class="cstat-no" title="statement not covered" > try {</span>
- <span class="cstat-no" title="statement not covered" > const result = await TtsService.generatePreview(voiceId, undefined, undefined);</span>
- <span class="cstat-no" title="statement not covered" > ctx.body = {</span>
- <span class="cstat-no" title="statement not covered" > code: 0,</span>
- <span class="cstat-no" title="statement not covered" > message: 'success',</span>
- <span class="cstat-no" title="statement not covered" > data: { previewText, voiceId, audioUrl: result.audioUrl },</span>
- <span class="cstat-no" title="statement not covered" > };</span>
- <span class="cstat-no" title="statement not covered" > } catch (error: any) {</span>
- <span class="cstat-no" title="statement not covered" > ctx.body = {</span>
- <span class="cstat-no" title="statement not covered" > code: 500,</span>
- <span class="cstat-no" title="statement not covered" > message: '预览生成失败:' + error.message,</span>
- <span class="cstat-no" title="statement not covered" > data: null,</span>
- <span class="cstat-no" title="statement not covered" > };</span>
- <span class="cstat-no" title="statement not covered" > }</span>
- <span class="cstat-no" title="statement not covered" >});</span>
-
- // 获取音频下载信息
- <span class="cstat-no" title="statement not covered" >router.get('/download/:audioId', async (ctx: Context) => {</span>
- <span class="cstat-no" title="statement not covered" > const { audioId } = ctx.params;</span>
-
- <span class="cstat-no" title="statement not covered" > try {</span>
- <span class="cstat-no" title="statement not covered" > const audioRecord = await prisma.audioRecord.findUnique({</span>
- <span class="cstat-no" title="statement not covered" > where: { id: parseInt(audioId) },</span>
- <span class="cstat-no" title="statement not covered" > });</span>
-
- <span class="cstat-no" title="statement not covered" > if (!audioRecord) {</span>
- <span class="cstat-no" title="statement not covered" > throw new NotFoundError('音频不存在');</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- // 检查是否有音频URL
- <span class="cstat-no" title="statement not covered" > if (!audioRecord.audioUrl) {</span>
- <span class="cstat-no" title="statement not covered" > throw new NotFoundError('音频文件不存在');</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- // 返回下载信息(前端直接使用 URL 下载)
- <span class="cstat-no" title="statement not covered" > ctx.body = {</span>
- <span class="cstat-no" title="statement not covered" > code: 0,</span>
- <span class="cstat-no" title="statement not covered" > message: 'success',</span>
- <span class="cstat-no" title="statement not covered" > data: {</span>
- <span class="cstat-no" title="statement not covered" > id: audioRecord.id,</span>
- <span class="cstat-no" title="statement not covered" > title: audioRecord.title,</span>
- <span class="cstat-no" title="statement not covered" > audioUrl: audioRecord.audioUrl,</span>
- <span class="cstat-no" title="statement not covered" > duration: audioRecord.audioDuration,</span>
- <span class="cstat-no" title="statement not covered" > size: audioRecord.audioSize,</span>
- <span class="cstat-no" title="statement not covered" > downloadUrl: audioRecord.audioUrl, // 直接使用音频URL下载</span>
- <span class="cstat-no" title="statement not covered" > },</span>
- <span class="cstat-no" title="statement not covered" > };</span>
- <span class="cstat-no" title="statement not covered" > } catch (error: any) {</span>
- <span class="cstat-no" title="statement not covered" > if (error instanceof NotFoundError) {</span>
- <span class="cstat-no" title="statement not covered" > throw error;</span>
- <span class="cstat-no" title="statement not covered" > }</span>
- <span class="cstat-no" title="statement not covered" > console.error('获取下载信息失败:', error);</span>
- <span class="cstat-no" title="statement not covered" > ctx.status = 500;</span>
- <span class="cstat-no" title="statement not covered" > ctx.body = { code: 500, message: '获取下载信息失败: ' + error.message };</span>
- <span class="cstat-no" title="statement not covered" > }</span>
- <span class="cstat-no" title="statement not covered" >});</span>
-
- // 批量下载音频(获取下载链接列表)
- <span class="cstat-no" title="statement not covered" >router.post('/download/batch', async (ctx: Context) => {</span>
- <span class="cstat-no" title="statement not covered" > const { audioIds } = ctx.request.body as { audioIds: string[] };</span>
-
- <span class="cstat-no" title="statement not covered" > if (!audioIds || audioIds.length === 0) {</span>
- <span class="cstat-no" title="statement not covered" > throw new BadRequestError('请选择要下载的音频');</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- <span class="cstat-no" title="statement not covered" > if (audioIds.length > 50) {</span>
- <span class="cstat-no" title="statement not covered" > throw new BadRequestError('一次最多下载50个音频');</span>
- <span class="cstat-no" title="statement not covered" > }</span>
-
- <span class="cstat-no" title="statement not covered" > try {</span>
- <span class="cstat-no" title="statement not covered" > const audios = await prisma.audioRecord.findMany({</span>
- <span class="cstat-no" title="statement not covered" > where: {</span>
- <span class="cstat-no" title="statement not covered" > id: {</span>
- <span class="cstat-no" title="statement not covered" > in: audioIds.map(id => parseInt(id)),</span>
- <span class="cstat-no" title="statement not covered" > },</span>
- <span class="cstat-no" title="statement not covered" > },</span>
- <span class="cstat-no" title="statement not covered" > select: {</span>
- <span class="cstat-no" title="statement not covered" > id: true,</span>
- <span class="cstat-no" title="statement not covered" > title: true,</span>
- <span class="cstat-no" title="statement not covered" > audioUrl: true,</span>
- <span class="cstat-no" title="statement not covered" > audioDuration: true,</span>
- <span class="cstat-no" title="statement not covered" > audioSize: true,</span>
- <span class="cstat-no" title="statement not covered" > },</span>
- <span class="cstat-no" title="statement not covered" > });</span>
-
- // 过滤出有音频URL的记录
- <span class="cstat-no" title="statement not covered" > const validAudios = audios.filter(a => a.audioUrl);</span>
-
- <span class="cstat-no" title="statement not covered" > ctx.body = {</span>
- <span class="cstat-no" title="statement not covered" > code: 0,</span>
- <span class="cstat-no" title="statement not covered" > message: 'success',</span>
- <span class="cstat-no" title="statement not covered" > data: {</span>
- <span class="cstat-no" title="statement not covered" > total: validAudios.length,</span>
- <span class="cstat-no" title="statement not covered" > audios: validAudios.map(a => ({</span>
- <span class="cstat-no" title="statement not covered" > id: a.id,</span>
- <span class="cstat-no" title="statement not covered" > title: a.title,</span>
- <span class="cstat-no" title="statement not covered" > downloadUrl: a.audioUrl,</span>
- <span class="cstat-no" title="statement not covered" > duration: a.audioDuration,</span>
- <span class="cstat-no" title="statement not covered" > size: a.audioSize,</span>
- <span class="cstat-no" title="statement not covered" > })),</span>
- <span class="cstat-no" title="statement not covered" > },</span>
- <span class="cstat-no" title="statement not covered" > };</span>
- <span class="cstat-no" title="statement not covered" > } catch (error: any) {</span>
- <span class="cstat-no" title="statement not covered" > console.error('批量下载失败:', error);</span>
- <span class="cstat-no" title="statement not covered" > ctx.body = { code: 500, message: '批量下载失败: ' + error.message };</span>
- <span class="cstat-no" title="statement not covered" > }</span>
- <span class="cstat-no" title="statement not covered" >});</span>
-
- <span class="cstat-no" title="statement not covered" >export default router;</span></pre></td></tr></table></pre>
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