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https://github.com/zadam/trilium.git
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632 lines
22 KiB
HTML
632 lines
22 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>JSDoc: Source: entities/note.js</title>
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<script src="scripts/prettify/prettify.js"> </script>
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<script src="scripts/prettify/lang-css.js"> </script>
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<!--[if lt IE 9]>
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<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
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<![endif]-->
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<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
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<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
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</head>
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<body>
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<div id="main">
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<h1 class="page-title">Source: entities/note.js</h1>
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<section>
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<article>
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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 Attribute = require('./attribute');
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const protectedSessionService = require('../services/protected_session');
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const repository = require('../services/repository');
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const dateUtils = require('../services/date_utils');
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const LABEL = 'label';
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const RELATION = 'relation';
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/**
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* This represents a Note which is a central object in the Trilium Notes project.
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*
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* @property {string} noteId - primary key
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* @property {string} type - one of "text", "code", "file" or "render"
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* @property {string} mime - MIME type, e.g. "text/html"
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* @property {string} title - note title
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* @property {string} content - note content - e.g. HTML text for text notes, file payload for files
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* @property {boolean} isProtected - true if note is protected
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* @property {boolean} isDeleted - true if note is deleted
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* @property {string} dateCreated
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* @property {string} dateModified
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*
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* @extends Entity
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*/
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class Note extends Entity {
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static get entityName() { return "notes"; }
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static get primaryKeyName() { return "noteId"; }
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static get hashedProperties() { return ["noteId", "title", "content", "type", "isProtected", "isDeleted"]; }
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/**
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* @param row - object containing database row from "notes" table
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*/
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constructor(row) {
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super(row);
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this.isProtected = !!this.isProtected;
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/* true if content (meaning any kind of potentially encrypted content) is either not encrypted
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* or encrypted, but with available protected session (so effectively decrypted) */
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this.isContentAvailable = true;
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// check if there's noteId, otherwise this is a new entity which wasn't encrypted yet
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if (this.isProtected && this.noteId) {
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this.isContentAvailable = protectedSessionService.isProtectedSessionAvailable();
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protectedSessionService.decryptNote(this);
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}
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this.setContent(this.content);
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}
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setContent(content) {
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this.content = content;
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try {
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this.jsonContent = JSON.parse(this.content);
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}
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catch(e) {}
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}
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/** @returns {boolean} true if this note is the root of the note tree. Root note has "root" noteId */
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isRoot() {
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return this.noteId === 'root';
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}
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/** @returns {boolean} true if this note is of application/json content type */
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isJson() {
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return this.mime === "application/json";
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}
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/** @returns {boolean} true if this note is JavaScript (code or attachment) */
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isJavaScript() {
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return (this.type === "code" || this.type === "file")
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&& (this.mime.startsWith("application/javascript") || this.mime === "application/x-javascript");
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}
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/** @returns {boolean} true if this note is HTML */
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isHtml() {
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return (this.type === "code" || this.type === "file" || this.type === "render") && this.mime === "text/html";
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}
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/** @returns {string} JS script environment - either "frontend" or "backend" */
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getScriptEnv() {
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if (this.isHtml() || (this.isJavaScript() && this.mime.endsWith('env=frontend'))) {
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return "frontend";
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}
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if (this.type === 'render') {
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return "frontend";
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}
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if (this.isJavaScript() && this.mime.endsWith('env=backend')) {
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return "backend";
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}
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return null;
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}
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/**
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* @returns {Promise<Attribute[]>} attributes belonging to this specific note (excludes inherited attributes)
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*/
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async getOwnedAttributes() {
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return await repository.getEntities(`SELECT * FROM attributes WHERE isDeleted = 0 AND noteId = ?`, [this.noteId]);
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}
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/**
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* @returns {Promise<Attribute[]>} relations targetting this specific note
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*/
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async getTargetRelations() {
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return await repository.getEntities("SELECT * FROM attributes WHERE type = 'relation' AND isDeleted = 0 AND value = ?", [this.noteId]);
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}
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/**
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* @param {string} [name] - attribute name to filter
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* @returns {Promise<Attribute[]>} all note's attributes, including inherited ones
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*/
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async getAttributes(name) {
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if (!this.__attributeCache) {
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await this.loadAttributesToCache();
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}
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if (name) {
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return this.__attributeCache.filter(attr => attr.name === name);
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}
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else {
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return this.__attributeCache;
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}
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}
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/**
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* @param {string} [name] - label name to filter
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* @returns {Promise<Attribute[]>} all note's labels (attributes with type label), including inherited ones
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*/
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async getLabels(name) {
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return (await this.getAttributes(name)).filter(attr => attr.type === LABEL);
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}
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/**
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* @param {string} [name] - relation name to filter
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* @returns {Promise<Attribute[]>} all note's relations (attributes with type relation), including inherited ones
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*/
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async getRelations(name) {
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return (await this.getAttributes(name)).filter(attr => attr.type === RELATION);
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}
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/**
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* Clear note's attributes cache to force fresh reload for next attribute request.
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* Cache is note instance scoped.
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*/
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invalidateAttributeCache() {
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this.__attributeCache = null;
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}
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/** @returns {Promise<void>} */
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async loadAttributesToCache() {
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const attributes = await repository.getEntities(`
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WITH RECURSIVE
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tree(noteId, level) AS (
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SELECT ?, 0
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UNION
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SELECT branches.parentNoteId, tree.level + 1 FROM branches
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JOIN tree ON branches.noteId = tree.noteId
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JOIN notes ON notes.noteId = branches.parentNoteId
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WHERE notes.isDeleted = 0
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AND branches.isDeleted = 0
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),
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treeWithAttrs(noteId, level) AS (
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SELECT * FROM tree
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UNION
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SELECT attributes.value, treeWithAttrs.level + 1 FROM attributes
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JOIN treeWithAttrs ON treeWithAttrs.noteId = attributes.noteId
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WHERE attributes.isDeleted = 0
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AND attributes.type = 'relation'
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AND attributes.name = 'template'
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AND (attributes.noteId = ? OR attributes.isInheritable = 1)
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)
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SELECT attributes.* FROM attributes JOIN treeWithAttrs ON attributes.noteId = treeWithAttrs.noteId
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WHERE attributes.isDeleted = 0 AND (attributes.isInheritable = 1 OR attributes.noteId = ?)
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ORDER BY level, noteId, position`, [this.noteId, this.noteId, this.noteId]);
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// attributes are ordered so that "closest" attributes are first
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// we order by noteId so that attributes from same note stay together. Actual noteId ordering doesn't matter.
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const filteredAttributes = attributes.filter((attr, index) => {
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if (attr.isDefinition()) {
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const firstDefinitionIndex = attributes.findIndex(el => el.type === attr.type && el.name === attr.name);
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// keep only if this element is the first definition for this type & name
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return firstDefinitionIndex === index;
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}
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else {
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const definitionAttr = attributes.find(el => el.type === attr.type + '-definition' && el.name === attr.name);
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if (!definitionAttr) {
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return true;
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}
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const definition = definitionAttr.value;
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if (definition.multiplicityType === 'multivalue') {
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return true;
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}
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else {
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const firstAttrIndex = attributes.findIndex(el => el.type === attr.type && el.name === attr.name);
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// in case of single-valued attribute we'll keep it only if it's first (closest)
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return firstAttrIndex === index;
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}
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}
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});
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for (const attr of filteredAttributes) {
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attr.isOwned = attr.noteId === this.noteId;
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}
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this.__attributeCache = filteredAttributes;
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}
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/**
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* @param {string} type - attribute type (label, relation, etc.)
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* @param {string} name - attribute name
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* @returns {Promise<boolean>} true if note has an attribute with given type and name (including inherited)
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*/
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async hasAttribute(type, name) {
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return !!await this.getAttribute(type, name);
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}
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/**
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* @param {string} type - attribute type (label, relation, etc.)
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* @param {string} name - attribute name
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* @returns {Promise<Attribute>} attribute of given type and name. If there's more such attributes, first is returned. Returns null if there's no such attribute belonging to this note.
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*/
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async getAttribute(type, name) {
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const attributes = await this.getAttributes();
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return attributes.find(attr => attr.type === type && attr.name === name);
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}
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/**
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* @param {string} type - attribute type (label, relation, etc.)
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* @param {string} name - attribute name
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* @returns {Promise<string>} attribute value of given type and name or null if no such attribute exists.
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*/
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async getAttributeValue(type, name) {
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const attr = await this.getAttribute(type, name);
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return attr ? attr.value : null;
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}
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/**
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* Based on enabled, attribute is either set or removed.
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*
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* @param {string} type - attribute type ('relation', 'label' etc.)
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* @param {boolean} enabled - toggle On or Off
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* @param {string} name - attribute name
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* @param {string} [value] - attribute value (optional)
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* @returns {Promise<void>}
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*/
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async toggleAttribute(type, enabled, name, value) {
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if (enabled) {
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await this.setAttribute(type, name, value);
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}
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else {
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await this.removeAttribute(type, name, value);
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}
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}
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/**
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* Creates given attribute name-value pair if it doesn't exist.
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*
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* @param {string} type - attribute type (label, relation, etc.)
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* @param {string} name - attribute name
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* @param {string} [value] - attribute value (optional)
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* @returns {Promise<void>}
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*/
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async setAttribute(type, name, value) {
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const attributes = await this.getOwnedAttributes();
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let attr = attributes.find(attr => attr.type === type && (value === undefined || attr.value === value));
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if (!attr) {
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attr = new Attribute({
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noteId: this.noteId,
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type: type,
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name: name,
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value: value !== undefined ? value : ""
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});
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await attr.save();
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this.invalidateAttributeCache();
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}
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}
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/**
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* Removes given attribute name-value pair if it exists.
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*
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* @param {string} type - attribute type (label, relation, etc.)
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* @param {string} name - attribute name
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* @param {string} [value] - attribute value (optional)
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* @returns {Promise<void>}
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*/
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async removeAttribute(type, name, value) {
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const attributes = await this.getOwnedAttributes();
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for (const attribute of attributes) {
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if (attribute.type === type && (value === undefined || value === attribute.value)) {
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attribute.isDeleted = true;
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await attribute.save();
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this.invalidateAttributeCache();
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}
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}
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}
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/**
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* @param {string} name - label name
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* @returns {Promise<boolean>} true if label exists (including inherited)
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*/
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async hasLabel(name) { return await this.hasAttribute(LABEL, name); }
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/**
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* @param {string} name - relation name
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* @returns {Promise<boolean>} true if relation exists (including inherited)
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*/
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async hasRelation(name) { return await this.hasAttribute(RELATION, name); }
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/**
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* @param {string} name - label name
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* @returns {Promise<Attribute>} label if it exists, null otherwise
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*/
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async getLabel(name) { return await this.getAttribute(LABEL, name); }
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/**
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* @param {string} name - relation name
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* @returns {Promise<Attribute>} relation if it exists, null otherwise
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*/
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async getRelation(name) { return await this.getAttribute(RELATION, name); }
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/**
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* @param {string} name - label name
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* @returns {Promise<string>} label value if label exists, null otherwise
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*/
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async getLabelValue(name) { return await this.getAttributeValue(LABEL, name); }
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/**
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* @param {string} name - relation name
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* @returns {Promise<string>} relation value if relation exists, null otherwise
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*/
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async getRelationValue(name) { return await this.getAttributeValue(RELATION, name); }
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/**
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* Based on enabled, label is either set or removed.
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*
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* @param {boolean} enabled - toggle On or Off
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* @param {string} name - label name
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* @param {string} [value] - label value (optional)
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* @returns {Promise<void>}
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*/
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async toggleLabel(enabled, name, value) { return await this.toggleAttribute(LABEL, enabled, name, value); }
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/**
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* Based on enabled, relation is either set or removed.
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*
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* @param {boolean} enabled - toggle On or Off
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* @param {string} name - relation name
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* @param {string} [value] - relation value (noteId)
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* @returns {Promise<void>}
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*/
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async toggleRelation(enabled, name, value) { return await this.toggleAttribute(RELATION, enabled, name, value); }
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/**
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* Create label name-value pair if it doesn't exist yet.
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*
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* @param {string} name - label name
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* @param {string} [value] - label value
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* @returns {Promise<void>}
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*/
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async setLabel(name, value) { return await this.setAttribute(LABEL, name, value); }
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/**
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* Create relation name-value pair if it doesn't exist yet.
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*
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* @param {string} name - relation name
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* @param {string} [value] - relation value (noteId)
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* @returns {Promise<void>}
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*/
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async setRelation(name, value) { return await this.setAttribute(RELATION, name, value); }
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/**
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* Remove label name-value pair, if it exists.
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*
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* @param {string} name - label name
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* @param {string} [value] - label value
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* @returns {Promise<void>}
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*/
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async removeLabel(name, value) { return await this.removeAttribute(LABEL, name, value); }
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/**
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* Remove relation name-value pair, if it exists.
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*
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* @param {string} name - relation name
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* @param {string} [value] - relation value (noteId)
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* @returns {Promise<void>}
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*/
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async removeRelation(name, value) { return await this.removeAttribute(RELATION, name, value); }
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/**
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* @param {string} name
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* @returns {Promise<Note>|null} target note of the relation or null (if target is empty or note was not found)
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*/
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async getRelationTarget(name) {
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const relation = await this.getRelation(name);
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return relation ? await repository.getNote(relation.value) : null;
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}
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/**
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* Finds notes with given attribute name and value. Only own attributes are considered, not inherited ones
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*
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* @param {string} type - attribute type (label, relation, etc.)
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* @param {string} name - attribute name
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* @param {string} [value] - attribute value
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* @returns {Promise<Note[]>}
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*/
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async findNotesWithAttribute(type, name, value) {
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const params = [this.noteId, name];
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let valueCondition = "";
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if (value !== undefined) {
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params.push(value);
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valueCondition = " AND attributes.value = ?";
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}
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const notes = await repository.getEntities(`
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WITH RECURSIVE
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tree(noteId) AS (
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SELECT ?
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UNION
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SELECT branches.noteId FROM branches
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JOIN tree ON branches.parentNoteId = tree.noteId
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JOIN notes ON notes.noteId = branches.noteId
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WHERE notes.isDeleted = 0
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AND branches.isDeleted = 0
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)
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SELECT notes.* FROM notes
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JOIN tree ON tree.noteId = notes.noteId
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JOIN attributes ON attributes.noteId = notes.noteId
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WHERE attributes.isDeleted = 0
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AND attributes.name = ?
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${valueCondition}
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ORDER BY noteId, position`, params);
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return notes;
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}
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/**
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* Finds notes with given label name and value. Only own labels are considered, not inherited ones
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*
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* @param {string} name - label name
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* @param {string} [value] - label value
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* @returns {Promise<Note[]>}
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*/
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async findNotesWithLabel(name, value) { return await this.findNotesWithAttribute(LABEL, name, value); }
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/**
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* Finds notes with given relation name and value. Only own relations are considered, not inherited ones
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*
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* @param {string} name - relation name
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* @param {string} [value] - relation value
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* @returns {Promise<Note[]>}
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*/
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async findNotesWithRelation(name, value) { return await this.findNotesWithAttribute(RELATION, name, value); }
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/**
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* Returns note revisions of this note.
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*
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* @returns {Promise<NoteRevision[]>}
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*/
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async getRevisions() {
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return await repository.getEntities("SELECT * FROM note_revisions WHERE noteId = ?", [this.noteId]);
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}
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/**
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* @returns {Promise<Link[]>}
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*/
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async getLinks() {
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return await repository.getEntities("SELECT * FROM links WHERE noteId = ? AND isDeleted = 0", [this.noteId]);
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}
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/**
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* Return all links from this note, including deleted ones.
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*
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* @returns {Promise<Link[]>}
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*/
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async getLinksWithDeleted() {
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return await repository.getEntities("SELECT * FROM links WHERE noteId = ?", [this.noteId]);
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}
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/**
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|
* @returns {Promise<Branch[]>}
|
|
*/
|
|
async getBranches() {
|
|
return await repository.getEntities("SELECT * FROM branches WHERE isDeleted = 0 AND noteId = ?", [this.noteId]);
|
|
}
|
|
|
|
/**
|
|
* @returns {boolean} - true if note has children
|
|
*/
|
|
async hasChildren() {
|
|
return (await this.getChildNotes()).length > 0;
|
|
}
|
|
|
|
/**
|
|
* @returns {Promise<Note[]>} child notes of this note
|
|
*/
|
|
async getChildNotes() {
|
|
return await repository.getEntities(`
|
|
SELECT notes.*
|
|
FROM branches
|
|
JOIN notes USING(noteId)
|
|
WHERE notes.isDeleted = 0
|
|
AND branches.isDeleted = 0
|
|
AND branches.parentNoteId = ?
|
|
ORDER BY branches.notePosition`, [this.noteId]);
|
|
}
|
|
|
|
/**
|
|
* @returns {Promise<Branch[]>} child branches of this note
|
|
*/
|
|
async getChildBranches() {
|
|
return await repository.getEntities(`
|
|
SELECT branches.*
|
|
FROM branches
|
|
WHERE branches.isDeleted = 0
|
|
AND branches.parentNoteId = ?
|
|
ORDER BY branches.notePosition`, [this.noteId]);
|
|
}
|
|
|
|
/**
|
|
* @returns {Promise<Note[]>} parent notes of this note (note can have multiple parents because of cloning)
|
|
*/
|
|
async getParentNotes() {
|
|
return await repository.getEntities(`
|
|
SELECT parent_notes.*
|
|
FROM
|
|
branches AS child_tree
|
|
JOIN notes AS parent_notes ON parent_notes.noteId = child_tree.parentNoteId
|
|
WHERE child_tree.noteId = ?
|
|
AND child_tree.isDeleted = 0
|
|
AND parent_notes.isDeleted = 0`, [this.noteId]);
|
|
}
|
|
|
|
beforeSaving() {
|
|
if (this.isJson() && this.jsonContent) {
|
|
this.content = JSON.stringify(this.jsonContent, null, '\t');
|
|
}
|
|
|
|
// we do this here because encryption needs the note ID for the IV
|
|
this.generateIdIfNecessary();
|
|
|
|
if (this.isProtected) {
|
|
protectedSessionService.encryptNote(this);
|
|
}
|
|
|
|
if (!this.isDeleted) {
|
|
this.isDeleted = false;
|
|
}
|
|
|
|
if (!this.dateCreated) {
|
|
this.dateCreated = dateUtils.nowDate();
|
|
}
|
|
|
|
super.beforeSaving();
|
|
|
|
if (this.isChanged) {
|
|
this.dateModified = dateUtils.nowDate();
|
|
}
|
|
}
|
|
}
|
|
|
|
module.exports = Note;</code></pre>
|
|
</article>
|
|
</section>
|
|
|
|
|
|
|
|
|
|
</div>
|
|
|
|
<nav>
|
|
<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>
|
|
</nav>
|
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<br class="clear">
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<footer>
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Thu Nov 08 2018 23:49:19 GMT+0100 (Central European Standard Time)
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</footer>
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<script> prettyPrint(); </script>
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<script src="scripts/linenumber.js"> </script>
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</html>
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