mongorai/dist/lib/HostsManager.js

Light MongoDB client for the web. Minimalistic UI used React with minimum dependencies.

"use strict";
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var __importStar = (this && this.__importStar) || (function () {
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var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.HostsManager = void 0;
const path = __importStar(require("path"));
const fs = __importStar(require("fs"));
const os = __importStar(require("os"));
const util = __importStar(require("util"));
const nedb_1 = __importDefault(require("nedb"));
const DEFAULT_HOSTS = process.env.MONGORAI_DEFAULT_HOST ? process.env.MONGORAI_DEFAULT_HOST.split(';') : ['localhost:27017'];
const DATABASE_FILE = process.env.MONGORAI_DATABASE_FILE || path.join(os.homedir(), '.mongorai.db');
class HostsManager {
    constructor() {
        this._db = null;
    }
    promise(fn) {
        return util.promisify(fn.bind(this._db));
    }
    async load() {
        let first = false;
        try {
            await fs.promises.stat(DATABASE_FILE);
        }
        catch (err) {
            first = true;
        }
        this._db = new nedb_1.default({
            filename: DATABASE_FILE
        });
        const load = this.promise(this._db.loadDatabase);
        await load();
        if (first) {
            await Promise.all(DEFAULT_HOSTS.map(async (hostname) => {
                const insert = this.promise(this._db.insert);
                return await insert({
                    path: hostname
                });
            }));
        }
    }
    getHosts() {
        return new Promise((resolve, reject) => {
            if (!this._db) {
                reject(new Error('Database not initialized'));
                return;
            }
            this._db.find({}, (err, hosts) => {
                if (err) {
                    return reject(err);
                }
                else {
                    return resolve(hosts);
                }
            });
        });
    }
    async add(path) {
        return new Promise((resolve, reject) => {
            if (!this._db) {
                reject(new Error('Database not initialized'));
                return;
            }
            this._db.update({
                path: path
            }, {
                $set: {
                    path: path
                }
            }, { upsert: true }, (err) => {
                if (err) {
                    return reject(err);
                }
                else {
                    return resolve();
                }
            });
        });
    }
    async remove(path) {
        return new Promise((resolve, reject) => {
            if (!this._db) {
                reject(new Error('Database not initialized'));
                return;
            }
            this._db.remove({
                path: new RegExp(`${path}`)
            }, (err) => {
                if (err) {
                    return reject(err);
                }
                else {
                    return resolve();
                }
            });
        });
    }
}
exports.HostsManager = HostsManager;