classroom-app/src/views/creation/index.tsx

import { defineComponent, onMounted, onUnmounted, reactive, watch } from 'vue';
// import WaveSurfer from 'wavesurfer.js';
import styles from './index.module.less';
import MSticky from '@/components/m-sticky';
import MHeader from '@/components/m-header';
import {
  Button,
  Cell,
  Image,
  List,
  Popup,
  Slider,
  showDialog,
  showToast
} from 'vant';
import iconDownload from './images/icon-download.png';
import iconShare from './images/icon-share.png';
import iconDelete from './images/icon-delete.png';
import iconMember from './images/icon-member.png';
import iconZan from './images/icon-zan.png';
import iconZanActive from './images/icon-zan-active.png';
import iconPlay from './images/icon-play.png';
import iconPause from './images/icon-pause.png';
import { postMessage, promisefiyPostMessage } from '@/helpers/native-message';
import { browser, getGradeCh, getSecondRPM } from '@/helpers/utils';
import { useRoute, useRouter } from 'vue-router';
import {
  api_userMusicDetail,
  api_userMusicRemove,
  api_userMusicStarPage
} from './api';
import MEmpty from '@/components/m-empty';
import dayjs from 'dayjs';
import { nextTick } from 'process';
import MVideo from '@/components/m-video';
import ShareModel from './share-model';
import { usePageVisibility } from '@vant/use';

export default defineComponent({
  name: 'creation-detail',
  setup() {
    const route = useRoute();
    const router = useRouter();
    const audioId = 'a' + +Date.now() + Math.floor(Math.random() * 100);

    const state = reactive({
      id: route.query.id,
      deleteStatus: false,
      shareStatus: false,
      playType: '' as 'Audio' | 'Video' | '', // 播放类型
      musicDetail: {} as any,
      timer: null as any,
      audioWidth: 0,
      paused: true,
      currentTime: 0,
      duration: 0.1,
      loop: false,
      dragStatus: false, // 是否开始拖动
      isClick: false,
      list: [] as any,
      listState: {
        dataShow: true, // 判断是否有数据
        loading: false,
        finished: false
      },
      params: {
        page: 1,
        rows: 20
      }
    });
    const audioDom = new Audio();
    audioDom.controls = true;
    audioDom.style.width = '100%';
    audioDom.className = styles.audio;

    /** 改变播放时间 */
    const handleChangeTime = (val: number) => {
      state.currentTime = val;
      clearTimeout(state.timer);
      state.timer = setTimeout(() => {
        // audioRef.value.currentTime = val;
        audioDom.currentTime = val;
        state.timer = null;
      }, 60);
    };

    // 切换音频播放
    const onToggleAudio = (e: any) => {
      e.stopPropagation();
      if (audioDom.paused) {
        audioDom.play();
      } else {
        audioDom.pause();
      }

      state.paused = audioDom.paused;
    };

    // 获取列表
    const getStarList = async () => {
      try {
        if (state.isClick) return;
        state.isClick = true;
        const res = await api_userMusicStarPage({
          userMusicId: state.id,
          ...state.params
        });
        state.listState.loading = false;
        const result = res.data || {};
        // 处理重复请求数据
        if (state.list.length > 0 && result.current === 1) {
          return;
        }
        state.list = state.list.concat(result.rows || []);
        state.listState.finished = result.current >= result.pages;
        state.params.page = result.current + 1;
        state.listState.dataShow = state.list.length > 0;
        state.isClick = false;
      } catch {
        state.listState.dataShow = false;
        state.listState.finished = true;
        state.isClick = false;
      }
    };

    const initAudio = () => {
      audioDom.src = state.musicDetail.videoUrl;
      audioDom.load();
      audioDom.oncanplaythrough = () => {
        state.paused = audioDom.paused;
        state.duration = audioDom.duration;
      };
      // 播放时监听
      audioDom.addEventListener('timeupdate', () => {
        state.duration = audioDom.duration;
        state.currentTime = audioDom.currentTime;
        const rate = (state.currentTime / state.duration) * 100;
        state.audioWidth = rate > 100 ? 100 : rate;
      });
      audioDom.addEventListener('ended', () => {
        state.paused = audioDom.paused;
      });
      // const wavesurfer = WaveSurfer.create({
      //   container: document.querySelector(`#${audioId}`) as HTMLElement,
      //   waveColor: '#fff',
      //   progressColor: '#2FA1FD',
      //   url: state.musicDetail.videoUrl,
      //   cursorWidth: 0,
      //   height: 35,
      //   width: 'auto',
      //   normalize: true,
      //   // Set a bar width
      //   barWidth: 2,
      //   // Optionally, specify the spacing between bars
      //   barGap: 2,
      //   // And the bar radius
      //   barRadius: 4,
      //   barHeight: 0.6,
      //   autoScroll: true,
      //   /** If autoScroll is enabled, keep the cursor in the center of the waveform during playback */
      //   autoCenter: true,
      //   hideScrollbar: false,
      //   media: audioDom
      // });

      // wavesurfer.once('interaction', () => {
      //   // wavesurfer.play();
      // });
      // wavesurfer.once('ready', () => {
      //   state.paused = audioDom.paused;
      //   state.duration = audioDom.duration;
      // });

      // wavesurfer.on('finish', () => {
      //   state.paused = true;
      // });

      // // 播放时监听
      // audioDom.addEventListener('timeupdate', () => {
      //   state.currentTime = audioDom.currentTime;
      // });
    };

    // 删除作品
    const onDelete = async () => {
      try {
        await api_userMusicRemove({ id: state.id });

        setTimeout(() => {
          state.deleteStatus = false;
          showToast('删除成功');
        }, 100);

        setTimeout(() => {
          if (browser().isApp) {
            postMessage({
              api: 'goBack'
            });
          } else {
            router.back();
          }
        }, 1200);
      } catch {
        //
      }
    };

    // 下载
    const onDownload = async () => {
      await promisefiyPostMessage({
        api: 'saveFile',
        content: {
          url: state.musicDetail.videoUrl
        }
      });
    };

    const pageVisibility = usePageVisibility();
    watch(pageVisibility, value => {
      console.log(value);
      if (value === 'hidden') {
        if (audioDom) {
          audioDom.pause();
          state.paused = audioDom.paused;
        }
      }
    });
    onMounted(async () => {
      try {
        const res = await api_userMusicDetail(state.id);
        // console.log(res);
        if (res.code === 999) {
          showDialog({
            message: res.message,
            theme: 'round-button',
            confirmButtonColor:
              'linear-gradient(73deg, #5BECFF 0%, #259CFE 100%)'
          }).then(() => {
            if (browser().isApp) {
              postMessage({
                api: 'goBack'
              });
            } else {
              router.back();
            }
          });
          return;
        }
        state.musicDetail = res.data || {};
        getStarList();
        // 判断是视频还是音频
        if (res.data.videoUrl.lastIndexOf('mp4') !== -1) {
          state.playType = 'Video';
        } else {
          state.playType = 'Audio';
          // 初始化
          nextTick(() => {
            initAudio();
          });
        }
      } catch {
        //
      }
    });

    onUnmounted(() => {
      if (audioDom) {
        audioDom.pause();
        state.paused = audioDom.paused;
      }
    });
    return () => (
      <div class={styles.creation}>
        <MSticky position="top">
          <MHeader
            border={false}
            isBack={route.query.platformType != 'ANALYSIS'}
          />
        </MSticky>
        <div class={styles.playSection}>
          {state.playType === 'Video' && (
            <MVideo
              src={state.musicDetail?.videoUrl}
              poster={state.musicDetail?.img}
            />
          )}
          {state.playType === 'Audio' && (
            <div class={styles.audioSection}>
              <div class={styles.audioContainer}>
                {/* <div
                  id={audioId}
                  onClick={(e: MouseEvent) => {
                    e.stopPropagation();
                  }}></div> */}
                <div
                  class={styles.waveActive}
                  style={{
                    width: state.audioWidth + '%'
                  }}></div>
                <div class={styles.waveDefault}></div>
              </div>

              <div class={styles.audioBox}>
                <div
                  class={[styles.audioPan, state.paused && styles.imgRotate]}>
                  <Image class={styles.audioImg} src={state.musicDetail?.img} />
                </div>
                <i class={styles.audioPoint}></i>
                <i
                  class={[styles.audioZhen, state.paused && styles.active]}></i>
              </div>
              <div
                class={[styles.controls]}
                onClick={(e: Event) => {
                  e.stopPropagation();
                }}
                onTouchmove={(e: TouchEvent) => {
                  // emit('close');
                }}>
                <div class={styles.actions}>
                  <div class={styles.actionBtn} onClick={onToggleAudio}>
                    <img src={state.paused ? iconPlay : iconPause} />
                  </div>
                </div>
                <div class={[styles.slider]}>
                  <Slider
                    step={0.01}
                    class={styles.timeProgress}
                    v-model={state.currentTime}
                    max={state.duration}
                    onUpdate:modelValue={val => {
                      handleChangeTime(val);
                    }}
                    onDragStart={() => {
                      state.dragStatus = true;
                      console.log('onDragStart');
                    }}
                    onDragEnd={() => {
                      state.dragStatus = false;
                      console.log('onDragEnd');
                    }}
                  />
                </div>
                <div class={styles.time}>
                  <div>{getSecondRPM(state.currentTime)}</div>
                  <span>/</span>
                  <div>{getSecondRPM(state.duration)}</div>
                </div>
              </div>
            </div>
          )}
        </div>

        <Cell class={styles.userSection} center border={false}>
          {{
            icon: () => (
              <Image class={styles.userLogo} src={state.musicDetail.avatar} />
            ),
            title: () => (
              <div class={styles.userInfo}>
                <p class={styles.name}>
                  <span>{state.musicDetail?.username}</span>
                  {state.musicDetail.vipFlag && (
                    <img src={iconMember} class={styles.iconMember} />
                  )}
                </p>
                <p class={styles.sub}>
                  {state.musicDetail.subjectName}{' '}
                  {getGradeCh(state.musicDetail.currentGradeNum - 1)}
                </p>
              </div>
            ),
            value: () => (
              <div class={[styles.zan, styles.zanActive]}>
                <img src={iconZanActive} class={styles.iconZan} />
                {state.musicDetail.likeNum}
              </div>
            )
          }}
        </Cell>

        <div class={styles.musicSection}>
          <div class={styles.musicName}>
            <span class={styles.musicTag}>曲目名称</span>
            {state.musicDetail?.musicSheetName}
          </div>
          {state.musicDetail.desc && (
            <div class={styles.musicDesc}>{state.musicDetail.desc}</div>
          )}
        </div>

        <div class={styles.likeSection}>
          <div class={styles.likeTitle}>点赞记录</div>

          {state.listState.dataShow ? (
            <List
              finished={state.listState.finished}
              finishedText=" "
              class={[styles.container, styles.containerInformation]}
              onLoad={getStarList}
              immediateCheck={false}>
              {state.list.map((item: any, index: number) => (
                <Cell
                  class={styles.likeItem}
                  border={state.list.length - 1 == index ? false : true}>
                  {{
                    icon: () => (
                      <Image src={item.userAvatar} class={styles.userLogo} />
                    ),
                    title: () => (
                      <div class={styles.userInfo}>
                        <p class={styles.name}>{item.userName}</p>
                        <p class={styles.sub}>
                          {item.subjectName}{' '}
                          {getGradeCh(item.currentGradeNum - 1)}
                        </p>
                      </div>
                    ),
                    value: () => (
                      <div class={styles.time}>
                        {dayjs(item.createTime).format('YYYY-MM-DD HH:mm')}
                      </div>
                    )
                  }}
                </Cell>
              ))}
            </List>
          ) : (
            <MEmpty description="暂无数据" />
          )}
        </div>

        <MSticky position="bottom">
          <div class={styles.bottomSection}>
            <div class={styles.bottomShare}>
              <p onClick={onDownload}>
                <img src={iconDownload} />
                <span>下载</span>
              </p>
              <p onClick={() => (state.shareStatus = true)}>
                <img src={iconShare} />
                <span>分享</span>
              </p>
              <p onClick={() => (state.deleteStatus = true)}>
                <img src={iconDelete} />
                <span>删除</span>
              </p>
            </div>
            <Button
              round
              class={styles.btnEdit}
              type="primary"
              onClick={() => {
                router.push({
                  path: '/creation-edit',
                  query: {
                    id: state.id
                  }
                });
              }}>
              编辑
            </Button>
          </div>
        </MSticky>

        <Popup
          v-model:show={state.deleteStatus}
          round
          class={styles.popupContainer}>
          <p class={styles.popupContent}>确定删除吗？</p>
          <div class={styles.popupBtnGroup}>
            <Button round onClick={() => (state.deleteStatus = false)}>
              取消
            </Button>
            <Button round type="primary" onClick={onDelete}>
              确定
            </Button>
          </div>
        </Popup>

        <Popup
          position="bottom"
          v-model:show={state.shareStatus}
          style={{ background: 'transparent' }}>
          <ShareModel
            musicDetail={state.musicDetail}
            onClose={() => (state.shareStatus = false)}
          />
        </Popup>
      </div>
    );
  }
});