资源购买页请求慢优化

闫增涛

2024-04-26 c2cd778fd3f40a75df483758bb2f1fe1dedc7eef

 packageBookService/pages/bookServices/detail/buyResource/index.js

@@ -84,6 +84,195 @@
  goBack() {
    wx.navigateBack();
  },

  // 扁平化数据转换tree
  getTreeList(rootList, pathLength, newArr, path) {
    for (const item of rootList) {
      if (item.productLinkPath.length == pathLength && item.productLinkPath.includes(path)) {
        item.checked = false;
        if (item.sysType == 'CmsItem') {
          if (item.selectType == 'webpage') {
            item.disabled = true
          } else {
            if (item.isDownload != 1) {
              item.disabled = true
            }
          }
          if (item.file && item.fileMap && item.fileMap[item.file]) {
            if (item.fileMap[item.file].protectType == 'Private') item.disabled = true
          }

          item.isbuy = this.isShowNeedBuy(item);
          item.isShopCar = this.isShoppingCart(item);
        }
        // newArr.push(item)
        // 在插入过程中对数据进行排序
        newArr = this.insertAndSortObjectsByProductLinkPath(newArr, item)
      }
    }
    //给数组里面再添加一个children的空数组
    for (const i of newArr) {
      i.children = []
      this.getTreeList(rootList, pathLength + 6, i.children, i.productLinkPath)
      if (i.children.length == 0) {
        delete i.children
      }
    }
    return newArr
  },

  // 去除树结构多余项
  ensureTreeConsistency(tree) {
    for (let index = 0; index < tree.length; index++) {
      const item = tree[index];
      if (item.children && item.children.length) {
        const isFloder = item.children.findIndex(citem => citem.sysType == 'CmsFolder')
        const isItem = item.children.findIndex(citem => citem.sysType == 'CmsItem')
        if (isFloder > -1 && isItem > -1) {
          item.children = item.children.filter(ditem => ditem.sysType == 'CmsItem')
        }
        this.ensureTreeConsistency(item.children)
      }
    }
    return tree
  },

  // 排序数组 按照productLinkPath
  insertAndSortObjectsByProductLinkPath(array, newObj) {
    // 查找新对象应该插入的位置  
    let insertIndex = array.findIndex(obj => Number(newObj.productLinkPath.substring(newObj.productLinkPath.length - 6, newObj.productLinkPath.length)) < Number(obj.productLinkPath.substring(obj.productLinkPath.length - 6, obj.productLinkPath.length)));

    // 如果没有找到合适的位置，则放在数组末尾  
    if (insertIndex === -1) {
      insertIndex = array.length;
    }
    // 插入新对象到数组  
    array.splice(insertIndex, 0, newObj);
    // 测试6 正式5
    // 对数组进行排序  
    array.sort((a, b) => {
      if (Number(a.productLinkPath.substring(a.productLinkPath.length - 5, a.productLinkPath.length)) < Number(b.productLinkPath.substring(b.productLinkPath.length - 5, b.productLinkPath.length))) {
        return -1;
      }
      if (Number(a.productLinkPath.substring(a.productLinkPath.length - 5, a.productLinkPath.length)) > Number(b.productLinkPath.substring(b.productLinkPath.length - 5, b.productLinkPath.length))) {
        return 1;
      }
      // a must be equal to b  
      return 0;
    });

    // 返回更新后的数组  
    return array;
  },

  // 遍历树结构转换为数组方法
  handleTreeData(array) {
    const flattenedArray = [];
    array.forEach((node) => {
      // 将当前节点添加到展开的数组中
      flattenedArray.push(node);
      // 递归处理子节点
      if (node.children && node.children.length > 0) {
        const childrenArray = this.handleTreeData(node.children);
        flattenedArray.push(...childrenArray);
      }
    });
    return flattenedArray.filter((item) => item.sysType == "CmsItem");
  },

  // 教学资源 云学习 获取
  getResourceDataList(type) {
    this.setData({
      loading: true,
      noResources: false,
    });
    let query = {
      path: '*',
      queryType: '*',
      productId: this.data.bookDetail.id,
      cmsPath: type.productLinkPath,
      cmsType: '*',
      itemFields: {
        SysType: 'CmsFolder',
        // 资源类型，试读文件，是否允许下载等参数
        selectType: [],
        freeFile: [],
        file: [],
        protectedFile: [],
        resourcesClassification: [],
        isDownload: [],
        jsek_resourceBrief: [],
        jsek_link: [],
        jsek_questionBank: []
      },
      pading: {
        start: 0,
        size: 999
      },
    }
    app.MG.store.getProductDetail(query).then((res) => {
      if (!res.datas.cmsDatas[0].datas.length) {
        return this.setData({
          noResources: true,
          loading: false,
          haider: true,
        });
      }
      let list = []
      // 测试 6位// 正式 5位//  测试调用传20，内部7  正式调用传17 内部传6
      //教学资源 云学习
      if (
        type.refCode == "jsek_teachingResources" ||
        type.refCode == "jsek_cloudLearning"
      ) {
        res.datas.cmsDatas[0].datas.forEach((item) => {
          item.checked = false;
          if (item.sysType == 'CmsItem') {
            // 教学资源 类型名称赋值
            this.data.resourceClassList.forEach((type) => {
              if (type.value == item.resourcesClassification)
                item.resourceClass = type.name;
            });
            if (this.data.tabValue == "jsek_teachingResources") {} else if (this.data.tabValue == "jsek_cloudLearning") {
              item.isbuy = this.isShowNeedBuy(item);
              item.isShopCar = this.isShoppingCart(item);
            }
          }
        });
        this.getTreeList(res.datas.cmsDatas[0].datas, 17, list, '\\')
        list = this.ensureTreeConsistency(list)
        console.log('修改后云', list);
        let result = [];
        if (type.refCode == "jsek_teachingResources") {
          this.findChildIds(list, result);
          this.setData({
            teach: list,
            loading: false,
            openTeachids: result,
          });
        } else if (type.refCode == "jsek_cloudLearning") {
          let arr = this.handleTreeData(list).filter(
            (item) => item.saleMethod[0]
          );
          let freeIds = arr.filter((item) => {
            return item.saleMethod[0].Price == 0;
          });
          if (!freeIds.length)
            this.setData({
              isshowDrawBtn: false,
            });
          this.findChildIds(list, result);
          this.setData({
            learn: list,
            loading: false,
            openLearnids: result,
            haider: true,
          });
        }
      }
    })
  },

  //  获取教学资源  云学习  云测试
  getResourceData(type) {
    this.setData({
@@ -119,7 +308,7 @@
          return this.setData({
            noResources: true,
            loading: false,
            haider: true
            haider: true,
          });
        }
        //教学资源 云学习
@@ -281,10 +470,14 @@
        bookDetail: res.datas,
        buyIdList: res.datas.purchasedSaleMethodIdList,
      });
      this.getResourceData({
      // this.getResourceData({
      //   productLinkPath: this.data.productLinkPath,
      //   refCode: this.data.refCode,
      // });
      this.getResourceDataList({
        productLinkPath: this.data.productLinkPath,
        refCode: this.data.refCode,
      });
      })
    });

  },