2018-08-30 02:44:35 +08:00
<!DOCTYPE html>
< html lang = "en" >
< head >
< meta charset = "utf-8" >
< title > JSDoc: Source: entities/attribute.js< / title >
< script src = "scripts/prettify/prettify.js" > < / script >
< script src = "scripts/prettify/lang-css.js" > < / script >
<!-- [if lt IE 9]>
< script src = "//html5shiv.googlecode.com/svn/trunk/html5.js" > < / script >
<![endif]-->
< link type = "text/css" rel = "stylesheet" href = "styles/prettify-tomorrow.css" >
< link type = "text/css" rel = "stylesheet" href = "styles/jsdoc-default.css" >
< / head >
< body >
< div id = "main" >
< h1 class = "page-title" > Source: entities/attribute.js< / h1 >
< section >
< article >
< pre class = "prettyprint source linenums" > < code > "use strict";
const Entity = require('./entity');
const repository = require('../services/repository');
const dateUtils = require('../services/date_utils');
const sql = require('../services/sql');
/**
* Attribute is key value pair owned by a note.
*
* @param {string} attributeId
* @param {string} noteId
* @param {string} type
* @param {string} name
* @param {string} value
* @param {int} position
* @param {boolean} isInheritable
* @param {boolean} isDeleted
* @param {string} dateCreated
* @param {string} dateModified
*
* @extends Entity
*/
class Attribute extends Entity {
static get entityName() { return "attributes"; }
static get primaryKeyName() { return "attributeId"; }
static get hashedProperties() { return ["attributeId", "noteId", "type", "name", "value", "isInheritable", "isDeleted", "dateCreated"]; }
constructor(row) {
super(row);
this.isInheritable = !!this.isInheritable;
if (this.isDefinition()) {
try {
this.value = JSON.parse(this.value);
}
catch (e) {
}
}
}
async getNote() {
return await repository.getEntity("SELECT * FROM notes WHERE noteId = ?", [this.noteId]);
}
async getTargetNote() {
if (this.type !== 'relation') {
throw new Error(`Attribute ${this.attributeId} is not relation`);
}
if (!this.value) {
return null;
}
return await repository.getEntity("SELECT * FROM notes WHERE noteId = ?", [this.value]);
}
isDefinition() {
return this.type === 'label-definition' || this.type === 'relation-definition';
}
async beforeSaving() {
if (!this.value) {
// null value isn't allowed
this.value = "";
}
if (this.position === undefined) {
this.position = 1 + await sql.getValue(`SELECT COALESCE(MAX(position), 0) FROM attributes WHERE noteId = ?`, [this.noteId]);
}
if (!this.isInheritable) {
this.isInheritable = false;
}
if (!this.isDeleted) {
this.isDeleted = false;
}
if (!this.dateCreated) {
this.dateCreated = dateUtils.nowDate();
}
super.beforeSaving();
if (this.isChanged) {
this.dateModified = dateUtils.nowDate();
}
}
}
module.exports = Attribute;< / code > < / pre >
< / article >
< / section >
< / div >
< nav >
2018-11-09 06:49:44 +08:00
< 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 = "Link.html" > Link< / a > < / li > < li > < a href = "Note.html" > Note< / 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 >
2018-08-30 02:44:35 +08:00
< / nav >
< br class = "clear" >
< footer >
2018-11-10 03:45:28 +08:00
Documentation generated by < a href = "https://github.com/jsdoc3/jsdoc" > JSDoc 3.5.5< / a > on Fri Nov 09 2018 14:44:33 GMT+0100 (Central European Standard Time)
2018-08-30 02:44:35 +08:00
< / footer >
< script > prettyPrint ( ) ; < / script >
< script src = "scripts/linenumber.js" > < / script >
< / body >
< / html >
