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| import low from "lowdb";
| import LocalStorage from "lowdb/adapters/LocalStorage";
| import util from "@/libs/util";
| import { cloneDeep } from "lodash";
|
| const adapter = new LocalStorage(`aps-${process.env.VUE_APP_VERSION}`);
| const db = low(adapter);
|
| db.defaults({
| sys: {},
| database: {},
| }).write();
|
| export default db;
|
| /**
| * @description 检查路径是否存在 不存在的话初始化
| * @param {Object} payload dbName {String} 数据库名称
| * @param {Object} payload path {String} 路径
| * @param {Object} payload user {Boolean} 区分用户
| * @param {Object} payload validator {Function} 数据校验钩子 返回 true 表示验证通过
| * @param {Object} payload defaultValue {*} 初始化默认值
| * @returns {String} 可以直接使用的路径
| */
| export function pathInit({
| dbName = "database",
| path = "",
| user = true,
| validator = () => true,
| defaultValue = "",
| }) {
| const uuid = util.cookies.get("uuid") || "ghost-uuid";
| const currentPath = `${dbName}.${user ? `user.${uuid}` : "public"}${
| path ? `.${path}` : ""
| }`;
| const value = db.get(currentPath).value();
| if (!(value !== undefined && validator(value))) {
| db.set(currentPath, defaultValue).write();
| }
| return currentPath;
| }
|
| /**
| * @description 将数据存储到指定位置 | 路径不存在会自动初始化
| * @description 效果类似于取值 dbName.path = value
| * @param {Object} payload dbName {String} 数据库名称
| * @param {Object} payload path {String} 存储路径
| * @param {Object} payload value {*} 需要存储的值
| * @param {Object} payload user {Boolean} 是否区分用户
| */
| export function dbSet({
| dbName = "database",
| path = "",
| value = "",
| user = false,
| }) {
| db.set(
| pathInit({
| dbName,
| path,
| user,
| }),
| value
| ).write();
| }
|
| /**
| * @description 获取数据
| * @description 效果类似于取值 dbName.path || defaultValue
| * @param {Object} payload dbName {String} 数据库名称
| * @param {Object} payload path {String} 存储路径
| * @param {Object} payload defaultValue {*} 取值失败的默认值
| * @param {Object} payload user {Boolean} 是否区分用户
| */
| export function dbGet({
| dbName = "database",
| path = "",
| defaultValue = "",
| user = false,
| }) {
| return cloneDeep(
| db
| .get(
| pathInit({
| dbName,
| path,
| user,
| defaultValue,
| })
| )
| .value()
| );
| }
|
| /**
| * @description 获取存储数据库对象
| * @param {Object} payload user {Boolean} 是否区分用户
| */
| export function database({
| dbName = "database",
| path = "",
| user = false,
| validator = () => true,
| defaultValue = "",
| } = {}) {
| return db.get(
| pathInit({
| dbName,
| path,
| user,
| validator,
| defaultValue,
| })
| );
| }
|
|
