| 1 | /*
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| 2 | * OS.js - JavaScript Cloud/Web Desktop Platform
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| 3 | *
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| 4 | * Copyright (c) 2011-2020, Anders Evenrud <andersevenrud@gmail.com>
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| 5 | * All rights reserved.
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| 6 | *
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| 7 | * Redistribution and use in source and binary forms, with or without
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| 8 | * modification, are permitted provided that the following conditions are met:
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| 9 | *
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| 10 | * 1. Redistributions of source code must retain the above copyright notice, this
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| 11 | * list of conditions and the following disclaimer
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| 12 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 13 | * this list of conditions and the following disclaimer in the documentation
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| 14 | * and/or other materials provided with the distribution
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| 15 | *
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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| 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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| 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 19 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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| 20 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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| 21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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| 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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| 23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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| 25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 26 | *
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| 27 | * @author Anders Evenrud <andersevenrud@gmail.com>
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| 28 | * @licence Simplified BSD License
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| 29 | */
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| 30 |
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| 31 | const nullAdapter = require('./adapters/settings/null');
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| 32 | const fsAdapter = require('./adapters/settings/fs');
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| 33 |
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| 34 | /**
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| 35 | * OS.js Settings Manager
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| 36 | */
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| 37 | class Settings {
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| 38 |
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| 39 | /**
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| 40 | * Create new instance
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| 41 | * @param {Core} core Core reference
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| 42 | * @param {object} [options] Instance options
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| 43 | */
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| 44 | constructor(core, options = {}) {
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| 45 | this.core = core;
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| 46 | this.options = {
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| 47 | adapter: nullAdapter,
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| 48 | ...options
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| 49 | };
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| 50 |
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| 51 | if (this.options.adapter === 'fs') {
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| 52 | this.options.adapter = fsAdapter;
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| 53 | }
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| 54 |
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| 55 | try {
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| 56 | this.adapter = this.options.adapter(core, this.options.config);
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| 57 | } catch (e) {
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| 58 | this.core.logger.warn(e);
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| 59 | this.adapter = nullAdapter(core, this.options.config);
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| 60 | }
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| 61 | }
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| 62 |
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| 63 | /**
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| 64 | * Destroy instance
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| 65 | */
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| 66 | destroy() {
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| 67 | if (this.adapter.destroy) {
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| 68 | this.adapter.destroy();
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| 69 | }
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| 70 | }
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| 71 |
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| 72 | /**
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| 73 | * Initializes adapter
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| 74 | */
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| 75 | async init() {
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| 76 | if (this.adapter.init) {
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| 77 | return this.adapter.init();
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| 78 | }
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| 79 |
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| 80 | return true;
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| 81 | }
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| 82 |
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| 83 | /**
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| 84 | * Sends save request to adapter
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| 85 | * @param {Request} req Express request
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| 86 | * @param {Response} res Express response
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| 87 | */
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| 88 | async save(req, res) {
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| 89 | const result = await this.adapter.save(req, res);
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| 90 | res.json(result);
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| 91 | }
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| 92 |
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| 93 | /**
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| 94 | * Sends load request to adapter
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| 95 | * @param {Request} req Express request
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| 96 | * @param {Response} res Express response
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| 97 | */
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| 98 | async load(req, res) {
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| 99 | const result = await this.adapter.load(req, res);
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| 100 | res.json(result);
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| 101 | }
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| 102 | }
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| 103 |
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| 104 |
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| 105 | module.exports = Settings;
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