2018-08-30 02:44:35 +08:00
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<title>JSDoc: Source: entities/branch.js</title>
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<h1 class="page-title">Source: entities/branch.js</h1>
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<pre class="prettyprint source linenums"><code>"use strict";
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const Entity = require('./entity');
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const dateUtils = require('../services/date_utils');
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const repository = require('../services/repository');
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const sql = require('../services/sql');
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/**
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* Branch represents note's placement in the tree - it's essentially pair of noteId and parentNoteId.
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* Each note can have multiple (at least one) branches, meaning it can be placed into multiple places in the tree.
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*
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* @param {string} branchId - primary key
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* @param {string} noteId
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* @param {string} parentNoteId
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* @param {int} notePosition
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* @param {string} prefix
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* @param {boolean} isExpanded
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* @param {boolean} isDeleted
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* @param {string} dateModified
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* @param {string} dateCreated
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*
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* @extends Entity
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*/
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class Branch extends Entity {
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static get entityName() { return "branches"; }
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static get primaryKeyName() { return "branchId"; }
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// notePosition is not part of hash because it would produce a lot of updates in case of reordering
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static get hashedProperties() { return ["branchId", "noteId", "parentNoteId", "isDeleted", "prefix"]; }
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2018-09-03 22:05:28 +08:00
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constructor(row = {}) {
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super(row);
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// used to detect move in note tree
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this.origParentNoteId = this.parentNoteId;
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}
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/** @returns {Note|null} */
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2018-08-30 02:44:35 +08:00
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async getNote() {
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return await repository.getEntity("SELECT * FROM notes WHERE noteId = ?", [this.noteId]);
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}
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async beforeSaving() {
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if (this.notePosition === undefined) {
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const maxNotePos = await sql.getValue('SELECT MAX(notePosition) FROM branches WHERE parentNoteId = ? AND isDeleted = 0', [this.parentNoteId]);
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this.notePosition = maxNotePos === null ? 0 : maxNotePos + 1;
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}
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if (!this.isDeleted) {
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this.isDeleted = false;
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}
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if (!this.dateCreated) {
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this.dateCreated = dateUtils.nowDate();
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}
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super.beforeSaving();
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if (this.isChanged) {
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this.dateModified = dateUtils.nowDate();
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}
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}
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}
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module.exports = Branch;</code></pre>
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</article>
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</section>
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<nav>
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<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="ApiToken.html">ApiToken</a></li><li><a href="Attribute.html">Attribute</a></li><li><a href="BackendScriptApi.html">BackendScriptApi</a></li><li><a href="Branch.html">Branch</a></li><li><a href="Entity.html">Entity</a></li><li><a href="Image.html">Image</a></li><li><a href="Note.html">Note</a></li><li><a href="NoteImage.html">NoteImage</a></li><li><a href="NoteRevision.html">NoteRevision</a></li><li><a href="Option.html">Option</a></li><li><a href="RecentNote.html">RecentNote</a></li></ul><h3><a href="global.html">Global</a></h3>
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2018-09-03 22:05:28 +08:00
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Mon Sep 03 2018 16:04:45 GMT+0200 (CEST)
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2018-08-30 02:44:35 +08:00
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