All files / modules/player player.controller.ts

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import Router from '@koa/router';
import { Context } from 'koa';
import * as PlayerService from './player.service';
import { BadRequestError } from '../../middleware/errorHandler';
import { optionalAuth } from '../../middleware/auth';
import { prisma } from '../../models';
 
// 测试用户ID(开发环境使用)
const TEST_USER_ID = '1';
 
const router = new Router();
 
// 获取播放进度列表
router.get('/progress', optionalAuth, async (ctx: Context) => {
  // 开发环境使用测试用户ID
  const userId = ctx.state.user?.userId || TEST_USER_ID;
  const { audioId } = ctx.query as { audioId?: string };
 
  const records = await PlayerService.getPlayProgress(
    userId,
    audioId ? parseInt(audioId) : undefined
  );
 
  ctx.body = {
    code: 0,
    message: 'success',
    data: records,
  };
});
 
// 保存播放进度
router.post('/progress', optionalAuth, async (ctx: Context) => {
  // 开发环境使用测试用户ID
  const userId = ctx.state.user?.userId || TEST_USER_ID;
  const body = ctx.request.body as {
    audioId: number;
    progress: number;
    duration: number;
  };
  const { audioId, progress, duration } = body;
 
  if (!audioId || typeof progress !== 'number' || typeof duration !== 'number') {
    throw new BadRequestError('参数错误');
  }
 
  const record = await PlayerService.savePlayProgress(userId, audioId, progress, duration);
 
  ctx.body = {
    code: 0,
    message: 'success',
    data: record,
  };
});
 
// 更新播放进度 (在 DELETE 路由之前定义)
router.put('/progress/:audioId', optionalAuth, async (ctx: Context) => {
  // 开发环境使用测试用户ID
  const userId = ctx.state.user?.userId || TEST_USER_ID;
  const audioId = parseInt(ctx.params.audioId as string);
  const body = ctx.request.body as { progress: number; duration?: number };
  const { progress, duration } = body;
 
  if (typeof progress !== 'number') {
    throw new BadRequestError('进度参数错误');
  }
 
  const record = await PlayerService.updatePlayProgress(userId, audioId, progress, duration);
 
  ctx.body = {
    code: 0,
    message: 'success',
    data: record,
  };
});
 
// 删除播放记录
router.delete('/progress/:audioId', optionalAuth, async (ctx: Context) => {
  // 开发环境使用测试用户ID
  const userId = ctx.state.user?.userId || TEST_USER_ID;
  const audioId = parseInt(ctx.params.audioId as string);
 
  await PlayerService.deletePlayRecord(userId, audioId);
 
  ctx.body = {
    code: 0,
    message: '删除成功',
  };
});
 
// 批量删除播放记录
router.delete('/progress/batch', optionalAuth, async (ctx: Context) => {
  const userId = ctx.state.user?.userId || TEST_USER_ID;
  const { audioIds } = ctx.request.body as { audioIds: number[] };
 
  if (!audioIds || !Array.isArray(audioIds)) {
    throw new BadRequestError('参数错误');
  }
 
  for (const audioId of audioIds) {
    await PlayerService.deletePlayRecord(userId, audioId);
  }
 
  ctx.body = {
    code: 0,
    message: '批量删除成功',
  };
});
 
// ============ OPT-03: 首页最近收听 ============
 
// 获取用户最近播放记录
router.get('/recent', optionalAuth, async (ctx: Context) => {
  const userId = ctx.state.user?.userId;
 
  // 未登录用户返回空列表
  if (!userId) {
    ctx.body = {
      code: 0,
      message: 'success',
      data: { list: [] },
    };
    return;
  }
 
  const records = await PlayerService.getRecentPlayRecords(userId, 10);
 
  ctx.body = {
    code: 0,
    message: 'success',
    data: { list: records },
  };
});
 
// ============ 临时 API:为播放器页面适配书籍章节音频 ============
 
// 获取播放列表(适配旧播放器)- 必须放在 /:id 之前
// 过滤规则:公开的音频 + 当前用户自己的音频
router.get('/audio/list', optionalAuth, async (ctx: Context) => {
  const { page = '1', pageSize = '100' } = ctx.query as { page?: string; pageSize?: string };
 
  // 开发环境使用测试用户ID
  const userId = ctx.state.user?.userId || TEST_USER_ID;
 
  // 获取所有有音频的章节:公开的 + 当前用户自己的
  const chapters = await prisma.bookChapter.findMany({
    where: {
      audioUrl: {
        not: null,
      },
      AND: [
        { audioUrl: { not: '' } },
        {
          OR: [
            { isPublic: true }, // 公开的音频
            { book: { userId: parseInt(userId) } }, // 当前用户自己的
            { book: { userId: null } }, // 匿名用户创建的音频(无归属用户)
          ]
        }
      ]
    },
    include: { book: true },
    orderBy: [
      { bookId: 'asc' },
      { number: 'asc' },
    ],
    skip: (parseInt(page) - 1) * parseInt(pageSize),
    take: parseInt(pageSize),
  });
 
  const total = await prisma.bookChapter.count({
    where: {
      audioUrl: {
        not: null,
      },
      AND: [
        { audioUrl: { not: '' } },
        {
          OR: [
            { isPublic: true },
            { book: { userId: parseInt(userId) } },
          ]
        }
      ]
    },
  });
 
  const list = await Promise.all(chapters.map(async (chapter) => {
    // 从 audioUrl 中提取 audioId (UUID)
    // 格式: /uploads/{audioId}/output.mp3
    const urlParts = (chapter.audioUrl || '').match(/\/uploads\/([^\/]+)\//);
    const audioId = urlParts ? urlParts[1] : null;
 
    // 如果是章(level=1),自动合并小节音频
    let finalAudioUrl = chapter.audioUrl || '';
    if (chapter.level === 1) {
      const mergedUrl = await PlayerService.getChapterAudioUrl(chapter.id);
      if (mergedUrl) {
        finalAudioUrl = mergedUrl;
      }
    }
 
    return {
      id: chapter.id,
      _id: chapter.id,
      audioId,
      title: chapter.title,
      summary: chapter.summary || '',
      text: chapter.content || '',
      audioUrl: finalAudioUrl,
      audioDuration: chapter.audioDuration || 0,
      wordCount: chapter.wordCount || 0,
      albumId: chapter.bookId,
      albumName: chapter.book?.title || '默认专辑',
      isFavorite: false,
      isPublic: chapter.isPublic,
      isOwner: chapter.book?.userId === parseInt(userId),
      level: chapter.level,
      lrcLyrics: chapter.lrcLyrics || '', // OPT-17: LRC 歌词时间轴
    };
  }));
 
  ctx.body = {
    code: 0,
    message: 'success',
    data: { list, total, page: parseInt(page), pageSize: parseInt(pageSize) },
  };
});
 
// 获取章节音频详情(适配旧播放器)
router.get('/audio/:id', optionalAuth, async (ctx: Context) => {
  const chapterId = parseInt(ctx.params.id as string);
 
  if (isNaN(chapterId)) {
    ctx.status = 400;
    ctx.body = { code: 1, message: '无效的音频ID' };
    return;
  }
 
  // 开发环境使用测试用户ID
  const userId = ctx.state.user?.userId || TEST_USER_ID;
 
  const chapter = await prisma.bookChapter.findUnique({
    where: { id: chapterId },
    include: { book: true },
  });
 
  if (!chapter) {
    ctx.status = 404;
    ctx.body = { code: 1, message: '音频不存在' };
    return;
  }
 
  // 如果音频未公开且不是所有者(且不是null userId的记录),拒绝访问
  const isNullOwner = chapter.book?.userId === null;
  if (!chapter.isPublic && chapter.book?.userId !== parseInt(userId) && !isNullOwner) {
    ctx.status = 403;
    ctx.body = { code: 1, message: '该音频未公开,无法访问' };
    return;
  }
 
  // 如果章节是章(level=1),自动合并小节音频
  let finalAudioUrl = chapter.audioUrl || '';
  if (chapter.level === 1) {
    const mergedUrl = await PlayerService.getChapterAudioUrl(chapterId);
    if (mergedUrl) {
      finalAudioUrl = mergedUrl;
    }
  }
 
  // 适配旧的 AudioItem 格式
  const audioItem = {
    id: chapter.id,
    _id: chapter.id,
    title: chapter.title,
    summary: chapter.summary || '',
    text: chapter.content || '',
    audioUrl: finalAudioUrl,
    audioDuration: chapter.audioDuration || 0,
    wordCount: chapter.wordCount || 0,
    albumId: chapter.bookId,
    albumName: chapter.book?.title || '默认专辑',
    isFavorite: false,
    isPublic: chapter.isPublic,
    isOwner: chapter.book?.userId === parseInt(userId),
    level: chapter.level,
    lrcLyrics: chapter.lrcLyrics || '', // OPT-17: LRC 歌词时间轴
  };
 
  ctx.body = {
    code: 0,
    message: 'success',
    data: audioItem,
  };
});
 
// 更新章节公开状态
router.put('/audio/:id/public', optionalAuth, async (ctx: Context) => {
  const chapterId = parseInt(ctx.params.id as string);
  
  if (isNaN(chapterId)) {
    ctx.status = 400;
    ctx.body = { code: 1, message: '无效的音频ID' };
    return;
  }
 
  // 开发环境使用测试用户ID
  const userId = ctx.state.user?.userId || TEST_USER_ID;
  
  const { isPublic } = ctx.request.body as { isPublic: boolean };
 
  // 获取章节信息,验证所有权
  const chapter = await prisma.bookChapter.findUnique({
    where: { id: chapterId },
    include: { book: true },
  });
 
  if (!chapter) {
    ctx.status = 404;
    ctx.body = { code: 1, message: '章节不存在' };
    return;
  }
 
  // 验证是否是所有者
  if (chapter.book?.userId !== parseInt(userId)) {
    ctx.status = 403;
    ctx.body = { code: 1, message: '无权限操作' };
    return;
  }
 
  // 更新公开状态
  const updated = await prisma.bookChapter.update({
    where: { id: chapterId },
    data: { isPublic },
  });
 
  ctx.body = {
    code: 0,
    message: isPublic ? '已公开到首页' : '已取消公开',
    data: { isPublic: updated.isPublic },
  };
});
 
export default router;