micro_mall_xcx/pages/goods/result/index.js

/* eslint-disable no-param-reassign */
import {
  getGoodsList
} from '~/services/home/getGoodsList';
import Toast from 'tdesign-miniprogram/toast/index';

const initFilters = {
  overall: 1,
  sorts: '',
};

Page({
  data: {
    goodsList: [],
    layout: 0,
    priceSorts: '',
    soldSorts: '',
    overall: 1,
    show: false,
    minVal: '',
    maxVal: '',
    filter: initFilters,
    hasLoaded: false,
    keywords: '',
    loadMoreStatus: 0,
    loading: true,
  },

  total: 0,
  pageNum: 1,
  pageSize: 10,

  onLoad(options) {
    const {
      searchValue = ''
    } = options || {};
    this.setData({
        keywords: searchValue,
      },
      () => {
        this.init(true);
      },
    );
  },

  generalQueryData(reset = false) {
    const {
      filter,
      keywords,
      minVal,
      maxVal
    } = this.data;
    const {
      pageNum,
      pageSize
    } = this;
    const {
      priceSorts,
      soldSorts,
      overall
    } = filter;
    const params = {
      goodsSort: 0, // 0 综合，1 价格
      pageNum: 1,
      pageSize: 6,
      goodsName: keywords,
    };

    if (priceSorts) {
      params.goodsSort = 1;
      params.goodsSortType = priceSorts === 'desc' ? 1 : 0;
    }

    if (soldSorts) {
      params.goodsSort = 2;
      params.goodsSortType = soldSorts === 'desc' ? 1 : 0;
    }

    if (overall) {
      params.goodsSort = 0;
    } else {
      params.goodsSort = 1;
    }
    console.log(minVal, 'minVal', maxVal, 'maxVal');
    if (minVal) {
      params.minPrice = minVal * 100
    }
    if (maxVal) {
      params.maxPrice = maxVal * 100
    }
    if (reset) return params;
    return {
      ...params,
      pageNum: pageNum + 1,
      pageSize,
    };
  },

  async init(reset = true) {
    const {
      loadMoreStatus,
      goodsList = []
    } = this.data;
    const params = this.generalQueryData(reset);
    console.log(params);
    if (loadMoreStatus !== 0) return;
    this.setData({
      loadMoreStatus: 1,
      loading: true,
    });
    try {
      const result = await getGoodsList(params);
      const data = result.data;
      if (result.code == 200) {
        const {
          result,
          totalPage = 0
        } = data;
        // console.log(data, 'data');
        // console.log(result, 'result');
        // console.log(totalPage, 'totalPage');
        if (totalPage === 0 && reset) {
          this.total = totalPage;
          this.setData({
            emptyInfo: {
              tip: '抱歉，未找到相关商品',
            },
            hasLoaded: true,
            loadMoreStatus: 0,
            loading: false,
            goodsList: [],
          });
          return;
        }

        const _goodsList = reset ? result : goodsList.concat(result);
        const _loadMoreStatus = _goodsList.length === totalPage ? 2 : 0;
        this.pageNum = params.pageNum || 1;
        this.total = totalPage;
        this.setData({
          goodsList: _goodsList,
          loadMoreStatus: _loadMoreStatus,
        });
      } else {
        this.setData({
          loading: false,
        });
        wx.showToast({
          title: '查询失败，请稍候重试',
        });
      }
    } catch (error) {
      this.setData({
        loading: false,
      });
    }
    this.setData({
      hasLoaded: true,
      loading: false,
    });
  },

  handleCartTap() {
    wx.switchTab({
      url: '/pages/cart/index',
    });
  },

  handleSubmit(e) {
    this.setData({
        goodsList: [],
        loadMoreStatus: 0,
        keywords: e.detail.value
      },
      () => {
        this.init(true);
      },
    );
  },

  onReachBottom() {
    const {
      goodsList
    } = this.data;
    const {
      total = 0
    } = this;
    if (goodsList.length === total) {
      this.setData({
        loadMoreStatus: 2,
      });
      return;
    }
    this.init(false);
  },

  handleAddCart() {
    Toast({
      context: this,
      selector: '#t-toast',
      message: '点击加购',
    });
  },

  gotoGoodsDetail(e) {
    const {
      index
    } = e.detail;
    const {
      spuId
    } = this.data.goodsList[index];
    wx.navigateTo({
      url: `/pages/goods/details/index?spuId=${spuId}`,
    });
  },

  handleFilterChange(e) {
    const {
      layout,
      overall,
      priceSorts,
      soldSorts
    } = e.detail;
    this.pageNum = 1;
    this.setData({
      layout,
      priceSorts,
      soldSorts,
      overall,
      loadMoreStatus: 0,
    });
    this.init(true);
  },

  // handleFilterChange(e) {
  //   const {
  //     overall,
  //     sorts
  //   } = e.detail;
  //   const {
  //     total
  //   } = this;
  //   const _filter = {
  //     sorts,
  //     overall,
  //   };
  //   this.setData({
  //     filter: _filter,
  //     sorts,
  //     overall,
  //   });

  //   this.pageNum = 1;
  //   this.setData({
  //       goodsList: [],
  //       loadMoreStatus: 0,
  //     },
  //     () => {
  //       total && this.init(true);
  //     },
  //   );
  // },

  showFilterPopup() {
    this.setData({
      show: true,
    });
  },

  showFilterPopupClose() {
    this.setData({
      show: false,
    });
  },

  onMinValAction(e) {
    const {
      value
    } = e.detail;
    this.setData({
      minVal: value
    });
  },

  onMaxValAction(e) {
    const {
      value
    } = e.detail;
    this.setData({
      maxVal: value
    });
  },

  reset() {
    this.setData({
      minVal: '',
      maxVal: ''
    });
  },

  confirm() {
    const {
      minVal,
      maxVal
    } = this.data;
    let message = '';
    if (minVal && !maxVal) {
      message = `价格最小是${minVal}`;
    } else if (!minVal && maxVal) {
      message = `价格范围是0-${minVal}`;
    } else if (minVal && maxVal && minVal <= maxVal) {
      message = `价格范围${minVal}-${this.data.maxVal}`;
    } else {
      message = '请输入正确范围';
    }
    if (message) {
      Toast({
        context: this,
        selector: '#t-toast',
        message,
      });
    }
    this.pageNum = 1;
    this.setData({
        show: false,
        minVal: '',
        goodsList: [],
        loadMoreStatus: 0,
        maxVal: '',
      },
      () => {
        this.init();
      },
    );
  },
});