jsy-app/utils/indexUtil.js

import store from "@/store"
import constant from "@/utils/constant.js"
import * as commonUtils from "@/utils/common.js"
import {
	deptTreeSelectByRole,
	getManagerGroundList,
} from "@/api/index.js"

class indexUtil {
	static isFirst = true //是否第一次加载 
	static userId = null; //用户id
	static list = []; //列表
	static showIndex = null; //默认显示的面板索引
	static selectItem = null; //选中的数据
	static isDataChange = false; //数据是否改变

	//接收创建来的数据
	constructor() {
		this.isFirst = true;
		this.userId = null;
		this.list = [];
		this.showIndex = null;
		this.selectItem = null;
	}

	// 获取列表
	getList(userId) {
		uni.showLoading();
		this.userId = userId;
		if (this.isFirst) {
			const lands = uni.getStorageSync(constant.lands);
			if (lands && lands.userId == userId) {
				this.list = lands.data;
			}
			this.selectItem = uni.getStorageSync(constant.landItem) || null;
			this.showIndex = this.findLandIndex(this.list, this.selectItem);
		}
		uni.hideLoading();
		if (this.isFirst) {
			this.isFirst = false;
			this.getNewList(userId);
		}
	}

	// 获取最新数据
	async getNewList(userId) {
		this.userId = userId;
		// 如果是第一次获取，则重新查询一遍数据，更新旧数据
		let company = await deptTreeSelectByRole();
		// console.error("company:",company);
		if (company.data.length) {
			let companys = [];
			if (company.data.length == 1 && company.data[0].id == 100) {
				companys = companys.concat(company.data[0].children)
			} else {
				companys = company.data;
			}
			let land = await getManagerGroundList(userId);
			// console.error("land:", land);
			if (land.data.length) {
				this.handleData(companys, land.data);
			} else {
				commonUtils.toast("无数据");
				this.list = null;
				this.selectItem = null;
			}
		} else {
			commonUtils.toast("无数据");
			this.list = null;
			this.selectItem = null;
		}
		// 持久化到本地缓存中 
		if (this.list) {
			this.setStorage(1, {
				userId: this.userId,
				data: this.list,
			});
		} else {
			this.setStorage(1, null);
		}
		this.setStorage(2, this.selectItem);
	}

	// 组织数据
	handleData(companys, lands) {
		let id = null;
		let selectItem = null;
		const landItem = uni.getStorageSync(constant.landItem);
		if (landItem) {
			id = landItem.id;
		}

		const companyObj = companys.reduce((accumulator, current) => {
			accumulator[current.id] = current;
			return accumulator;
		}, {});
		let groups = {};
		lands.map(item => {
			let param = {
				companyId: item.companyId,
				companyName: companyObj[item.companyId] ? companyObj[item.companyId].label : "",
				id: item.id,
				name: item.landName,
				landIcon: item.landIcon || '',
				valueNum: item.valveNum,
				controlFlag: item.controlFlag, //设备是否可控（0是 1否）
				enableFlapValve: item.enableFlapValve == 0, //启用蝶阀
				landManualOperation: item.landManualOperation == 0, //启用批量控制
				mapContent: null,
				isSelect: false
			}
			// 获取地图信息
			if (item.landMap != null) {
				param.mapContent = JSON.parse(decodeURIComponent(item.landMap.mapContent)) //地块地图 地图标点
			}
			// 判断是否当前选中的数据
			if (param.id == id) {
				param.isSelect = true;
				selectItem = param;
			}
			// 判断公司是否已经分组，如果未分组，则添加分组
			if (!groups[item.companyId]) {
				groups[item.companyId] = [];
			}
			groups[item.companyId].push(param);
		})
		companys.forEach(item => {
			item.children = groups[item.id] || [];
		});
		let index = 0;
		while (!selectItem) {
			if (companys[index].children.length) {
				companys[index].children[0].isSelect = true;
				selectItem = companys[index].children[0];
			}
		}
		this.list = companys;
		this.selectItem = selectItem;
		this.showIndex = this.findLandIndex(this.list, this.selectItem);
	}

	//寻找默认显示的行
	findLandIndex(list, item) {
		let showIndex = null
		if (list.length && item) {
			for (var i = 0; i < list.length; i++) {
				if (list[i].id == item.companyId) {
					showIndex = i;
					break;
				}
			}
		}
		return showIndex;
	}

	// 缓存数据
	setStorage(type, data) {
		if (type == 1) {
			uni.setStorageSync(constant.lands, data);
		} else if (type == 2) {
			uni.setStorageSync(constant.landItem, data);
		} else {
			commonUtils.toast("数据持久化异常");
		}
	}
}
export default indexUtil