wx-teacher/subpackagestow/details/details.js

// subpackagestow/details/details.js
import { models, db, _, client } from '../../utils/cloudbase.js'
Page({

  /**
   * 页面的初始数据
   */
  data: {
    fileType: 'video',
    viewType: 'grid',
    courseList: [],
    shouchang: '',
    shouchangs: '',
    show_1: '',
    xiazi: '',
    xia: '',
    itemlist: {},
    isCollected: false,
    isPlaying: false,
    isAudioPlaying: false,
  },

  onLoad(options) {
    // 获取传递过来的数据
    const itemStr = decodeURIComponent(options.item);
    const item = JSON.parse(itemStr);
    // 格式化时间
    item.createdAtText = this.formatTime(item.createdAt);
    // 设置到页面数据中
    this.setData({
      itemlist: item
    }, () => {
    // 相关推荐
    this.getcourseList()
      // 转换云文件ID为临时链接
    if (item.url && item.url.length > 0) {
      wx.cloud.getTempFileURL({
        fileList: [item.url[0]],
        success: res => {
          if (res.fileList && res.fileList.length > 0) {
            this.setData({
              'itemlist.playUrl': res.fileList[0].tempFileURL
            });
          }
        },
        fail: err => {
          console.error('获取临时链接失败', err);
        }
      });
    }

      // 收藏
      this.getcollect()
      // 加访问量
      this.getvisits()
    });
    
    // 获取图片
    const fileIDs = [
      'cloud://honghgaier-5guiffgcf17a2eea.686f-honghgaier-5guiffgcf17a2eea-1373037829/images/icon/shouchang.png',
      'cloud://honghgaier-5guiffgcf17a2eea.686f-honghgaier-5guiffgcf17a2eea-1373037829/images/icon/show_1.png',
      'cloud://honghgaier-5guiffgcf17a2eea.686f-honghgaier-5guiffgcf17a2eea-1373037829/images/icon/xiazi.png',
      'cloud://honghgaier-5guiffgcf17a2eea.686f-honghgaier-5guiffgcf17a2eea-1373037829/images/icon/xia_1.png',
      'cloud://honghgaier-5guiffgcf17a2eea.686f-honghgaier-5guiffgcf17a2eea-1373037829/images/icon/shoucang_s.png'
    ];
    // 并发下载多个 fileID
    Promise.all(
      fileIDs.map(fileID => wx.cloud.downloadFile({ fileID }))
    ).then(results => {
      // 每个 result 对应一个下载结果
      const tempFilePaths = results.map(r => r.tempFilePath);
      console.log('全部下载成功:', tempFilePaths);
      this.setData({
        shouchang: tempFilePaths[0],
        show_1: tempFilePaths[1],
        xiazi: tempFilePaths[2],
        xia: tempFilePaths[3],
        shouchangs: tempFilePaths[4],
      });
    }).catch(err => {
      console.error('有文件下载失败:', err);
    });
  },

  formatTime(ts) {
    const date = new Date(ts);
    const y = date.getFullYear();
    const m = String(date.getMonth() + 1).padStart(2, '0');
    const d = String(date.getDate()).padStart(2, '0');
    const hh = String(date.getHours()).padStart(2, '0');
    const mm = String(date.getMinutes()).padStart(2, '0');
    const ss = String(date.getSeconds()).padStart(2, '0');
    return `${y}-${m}-${d} ${hh}:${mm}:${ss}`;
  },

  // 相关课件推荐
  async getcourseList() {
    const result  = await client.callFunction({
      name: "database",   // 云函数部署名
      data: {
        page: "recommende",
        action: "findFileRangee",
        data: {
          _id: this.data.itemlist._id,
          range: this.data.itemlist.range,
          tag_id: this.data.itemlist.tag_id,
          pageSize: 20,
          pageNum: 1,
        },
      },
    });
    
    console.log(result, 'data++++++---------------');
    this.setData({
      courseList: result.result.records
    })
  },

  // 下载
  goToGoodsLists(event) {
    // 获取绑定的数据
    const item = event.currentTarget.dataset.item;
    // 将数据转换为 JSON 字符串并传递
    const itemStr = encodeURIComponent(JSON.stringify(item));
    wx.navigateTo({
      url: `/subpackagestow/down/down?item=${itemStr}`
    });
  },

  // 相关课件点击详情
  goToGoodsList(event) {
    // 获取绑定的数据
    const item = event.currentTarget.dataset.item;
    // 将数据转换为 JSON 字符串并传递
    const itemStr = encodeURIComponent(JSON.stringify(item));
    wx.navigateTo({
      url: `/subpackagestow/details/details?item=${itemStr}`
    });
  },

  // 是否收藏
  async getcollect() {
    const { data } = await models.wx_collect.get({
      filter: {
        where: {
          file_manager_id: this.data.itemlist._id
        }
      },
      // envType: pre 体验环境， prod 正式环境
      envType: "prod",
    });
    
    // 返回查询到的数据
    console.log(data, '123321');
    // 判断是否有值
    if (data && Object.keys(data).length > 0) {
      this.setData({
        isCollected: true // 设置标志为 true
      });
    } else {
      this.setData({
        isCollected: false // 设置标志为 false
      });
    }
  },
  // 收藏
  async goTocollect() {
    if (this.data.isCollected) {
      const userInfo = wx.getStorageSync('userInfo');
      const { data } = await models.wx_collect.delete({
        filter: {
          where: {
            $and: [
              {
                file_manager_id: {
                  $eq: this.data.itemlist._id, // 推荐传入_id数据标识进行操作
                },
                wx_user_id: {
                  $eq: userInfo._id, // 推荐传入_id数据标识进行操作
                },
              },
            ]
          }
        },
        // envType: pre 体验环境， prod 正式环境
        envType: "prod",
      });
      
      // 返回删除成功的条数
      console.log(data, '删除');
      wx.showToast({ title: '取消收藏成功', icon: 'success' });
      this.setData({
        isCollected: false
      })

    } else {
      const userInfo = wx.getStorageSync('userInfo');
      const { data } = await models.wx_collect.create({
        data: {
            wx_user_id: userInfo._id,  // 收藏人_id
            file_manager_id: this.data.itemlist._id,  // 收藏文件id
            remark: "备注备注备注备注备注备注",  // 备注
          },
        // envType: pre 体验环境， prod 正式环境
        envType: "prod",
      });
      
      // 返回创建的数据 id
      console.log(data);
      wx.showToast({ title: '收藏成功', icon: 'success' });
      this.setData({
        isCollected: true // 设置标志为 true
      });
    }
  },

  // 预览
  previewPDF() {
    const cloudUrl = this.data.itemlist.url[0];
    if (!cloudUrl) return;
  
    wx.cloud.getTempFileURL({
      fileList: [cloudUrl],
      success: res => {
        if (res.fileList && res.fileList.length > 0) {
          const tempUrl = res.fileList[0].tempFileURL;
          const extension = tempUrl.substring(tempUrl.lastIndexOf('.') + 1).toLowerCase();
  
          if (['pdf', 'ppt', 'pptx'].includes(extension)) {
            // 先下载到本地
            wx.downloadFile({
              url: tempUrl,
              success: dlRes => {
                wx.openDocument({
                  filePath: dlRes.tempFilePath,
                  fileType: extension,
                  success: () => console.log('文档打开成功'),
                  fail: err => console.error('文档打开失败', err)
                });
              },
              fail: err => {
                wx.showToast({ title: '下载文件失败', icon: 'none' });
                console.error('下载文件失败', err);
              }
            });
          } else if (['mp3', 'aac', 'wav'].includes(extension)) {
            this._playAudio(tempUrl);
          } else if (['mp4', 'mov'].includes(extension)) {
            this.setData({ 'itemlist.playUrl': tempUrl });
            this.toggleVideo();
          } else {
            wx.showToast({ title: '暂不支持该文件类型预览', icon: 'none' });
          }
        }
      },
      fail: err => {
        wx.showToast({ title: '获取播放链接失败', icon: 'none' });
        console.error('获取临时链接失败', err);
      }
    });
  },
  // 视频播放还是暂停
  toggleVideo() {
    const videoContext = wx.createVideoContext('myVideo', this);

    if (this.data.isPlaying) {
      videoContext.pause();
      this.setData({ isPlaying: false });
    } else {
      videoContext.play();
      this.setData({ isPlaying: true });
    }
  },
  // 音频的播放暂停
  toggleAudio() {
    // 如果已经有临时播放链接，直接用它
    if (this.data.itemlist.playUrl) {
      this._playAudio(this.data.itemlist.playUrl);
    } else {
      // 否则判断 url 是否是 cloud:// 开头，需要转临时链接
      const cloudUrl = this.data.itemlist.url[0];
      if (cloudUrl && cloudUrl.startsWith('cloud://')) {
        wx.cloud.getTempFileURL({
          fileList: [cloudUrl],
          success: res => {
            if (res.fileList && res.fileList.length > 0) {
              const tempUrl = res.fileList[0].tempFileURL;
              this.setData({ 'itemlist.playUrl': tempUrl }, () => {
                this._playAudio(tempUrl);
              });
            }
          },
          fail: err => {
            wx.showToast({ title: '获取播放链接失败', icon: 'none' });
            console.error('获取临时链接失败', err);
          }
        });
      } else {
        // 不是 cloud:// 开头，直接播放原链接
        this._playAudio(cloudUrl);
      }
    }
  },

  _playAudio(url) {
    if (!this.audioContext) {
      this.audioContext = wx.createInnerAudioContext();
      this.audioContext.onPlay(() => this.setData({ isAudioPlaying: true }));
      this.audioContext.onPause(() => this.setData({ isAudioPlaying: false }));
      this.audioContext.onStop(() => this.setData({ isAudioPlaying: false }));
      this.audioContext.onEnded(() => this.setData({ isAudioPlaying: false }));
      this.audioContext.onError((res) => {
        wx.showToast({ title: '音频播放错误', icon: 'none' });
        this.setData({ isAudioPlaying: false });
        console.error('音频播放错误', res);
      });
    }
    
    if (this.data.isAudioPlaying) {
      this.audioContext.pause();
    } else {
      this.audioContext.src = url;
      this.audioContext.play();
    }
  },

  onUnload() {
    if (this.audioContext) {
      this.audioContext.stop();
      this.audioContext.destroy();
      this.audioContext = null;
    }
  },

  onHide() {
    if (this.audioContext) {
      this.audioContext.pause();
    }
  },

  // 新增浏览量
  async getvisits() {
    const userInfo = wx.getStorageSync('userInfo');
    const userId = userInfo && userInfo._id ? userInfo._id : '';
    const schoolId = userInfo && userInfo.school_id ? userInfo.school_id : '';
    const fileId = this.data.itemlist._id;
  
    // 先查是否存在
    const { data } = await models.microcode.list({
      filter: {
        where: {
          school_id: schoolId,
          // user_id: userId,
          file_id: fileId
        }
      },
      envType: "prod",
    });

    console.log(data,'datadatadata');
    const datalist = data.records || []
  
    if (datalist.length > 0) {
      // 已存在 → 更新 visits + 1
      const existItem = datalist[0];
      const recordId = String(existItem._id);
      console.log(existItem, 'existItem');
      await models.microcode.update({
        data: {
            visits: existItem.visits + 1 ,  // 访问量
          },
        filter: {
          where: {
            $and: [
              {
                _id: {
                  $eq: recordId, // 推荐传入_id数据标识进行操作
                },
              },
            ]
          }
        },
        // envType: pre 体验环境， prod 正式环境
        envType: "prod",
      });
      console.log("更新成功：visits + 1");
    } else {
      // 不存在 → 创建新记录
      const { data: newData } = await models.microcode.create({
        data: {
          visits: 1,
          download: 1,
          school_id: schoolId,
          // user_id: userId,
          file_id: fileId,
        },
        envType: "prod",
      });
      console.log("创建成功", newData);
    }
  },
})