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381 lines
12 KiB
HTML
381 lines
12 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_short.js</title>
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<script src="scripts/prettify/prettify.js"> </script>
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<!--[if lt IE 9]>
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<body>
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<div id="main">
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<h1 class="page-title">Source: entities/note_short.js</h1>
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<section>
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<article>
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<pre class="prettyprint source linenums"><code>import server from '../services/server.js';
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import Attribute from './attribute.js';
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const LABEL = 'label';
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const LABEL_DEFINITION = 'label-definition';
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const RELATION = 'relation';
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const RELATION_DEFINITION = 'relation-definition';
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/**
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* This note's representation is used in note tree and is kept in TreeCache.
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*/
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class NoteShort {
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/**
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* @param {TreeCache} treeCache
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* @param {Object.<string, Object>} row
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* @param {Branch[]} branches - all relevant branches, i.e. where this note is either child or parent
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*/
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constructor(treeCache, row, branches) {
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this.treeCache = treeCache;
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/** @param {string} */
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this.noteId = row.noteId;
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/** @param {string} */
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this.title = row.title;
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/** @param {int} */
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this.contentLength = row.contentLength;
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/** @param {boolean} */
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this.isProtected = row.isProtected;
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/** @param {string} one of 'text', 'code', 'file' or 'render' */
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this.type = row.type;
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/** @param {string} content-type, e.g. "application/json" */
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this.mime = row.mime;
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/** @param {boolean} */
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this.isDeleted = row.isDeleted;
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/** @param {boolean} */
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this.archived = row.archived;
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/** @param {string} */
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this.cssClass = row.cssClass;
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/** @param {string} */
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this.iconClass = row.iconClass;
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/** @type {string[]} */
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this.parents = [];
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/** @type {string[]} */
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this.children = [];
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/** @type {Object.<string, string>} */
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this.parentToBranch = {};
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/** @type {Object.<string, string>} */
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this.childToBranch = {};
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for (const branch of branches) {
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if (this.noteId === branch.noteId) {
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this.parents.push(branch.parentNoteId);
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this.parentToBranch[branch.parentNoteId] = branch.branchId;
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}
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else if (this.noteId === branch.parentNoteId) {
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this.children.push(branch.noteId);
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this.childToBranch[branch.noteId] = branch.branchId;
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}
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else {
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throw new Error(`Unknown branch ${branch.branchId} for note ${this.noteId}`);
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}
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}
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}
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addParent(parentNoteId, branchId) {
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if (!this.parents.includes(parentNoteId)) {
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this.parents.push(parentNoteId);
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}
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this.parentToBranch[parentNoteId] = branchId;
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}
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addChild(childNoteId, branchId) {
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if (!this.children.includes(childNoteId)) {
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this.children.push(childNoteId);
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}
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this.childToBranch[childNoteId] = branchId;
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const branchIdPos = {};
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for (const branchId of Object.values(this.childToBranch)) {
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branchIdPos[branchId] = this.treeCache.getBranch(branchId).notePosition;
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}
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this.children.sort((a, b) => branchIdPos[this.childToBranch[a]] < branchIdPos[this.childToBranch[b]] ? -1 : 1);
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}
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/** @returns {boolean} */
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isJson() {
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return this.mime === "application/json";
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}
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async getContent() {
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// we're not caching content since these objects are in treeCache and as such pretty long lived
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const note = await server.get("notes/" + this.noteId);
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return note.content;
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}
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async getJsonContent() {
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const content = await this.getContent();
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try {
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return JSON.parse(content);
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}
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catch (e) {
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console.log(`Cannot parse content of note ${this.noteId}: `, e.message);
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return null;
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}
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}
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/** @returns {Promise<Branch[]>} */
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async getBranches() {
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const branchIds = Object.values(this.parentToBranch);
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return this.treeCache.getBranches(branchIds);
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}
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/** @returns {boolean} */
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hasChildren() {
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return this.children.length > 0;
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}
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/** @returns {Promise<Branch[]>} */
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async getChildBranches() {
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// don't use Object.values() to guarantee order
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const branchIds = this.children.map(childNoteId => this.childToBranch[childNoteId]);
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return this.treeCache.getBranches(branchIds);
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}
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/** @returns {string[]} */
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getParentNoteIds() {
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return this.parents;
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}
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/** @returns {Promise<NoteShort[]>} */
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async getParentNotes() {
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return await this.treeCache.getNotes(this.parents);
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}
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/** @returns {string[]} */
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getChildNoteIds() {
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return this.children;
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}
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/** @returns {Promise<NoteShort[]>} */
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async getChildNotes() {
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return await this.treeCache.getNotes(this.children);
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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[]>}
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*/
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async getAttributes(name) {
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if (!this.attributeCache) {
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this.attributeCache = (await server.get('notes/' + this.noteId + '/attributes'))
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.map(attrRow => new Attribute(this.treeCache, attrRow));
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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] - label name to filter
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* @returns {Promise<Attribute[]>} all note's label definitions, including inherited ones
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*/
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async getLabelDefinitions(name) {
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return (await this.getAttributes(name)).filter(attr => attr.type === LABEL_DEFINITION);
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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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* @param {string} [name] - relation name to filter
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* @returns {Promise<Attribute[]>} all note's relation definitions including inherited ones
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*/
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async getRelationDefinitions(name) {
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return (await this.getAttributes(name)).filter(attr => attr.type === RELATION_DEFINITION);
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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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* @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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* @param {string} name
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* @returns {Promise<NoteShort>|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 targets = await this.getRelationTargets(name);
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return targets.length > 0 ? targets[0] : null;
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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<NoteShort[]>}
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*/
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async getRelationTargets(name) {
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const relations = await this.getRelations(name);
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const targets = [];
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for (const relation of relations) {
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targets.push(await this.treeCache.getNote(relation.value));
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}
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return targets;
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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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/**
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* Get relations which target this note
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*
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* @returns {Promise<Attribute[]>}
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*/
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async getTargetRelations() {
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return (await server.get('notes/' + this.noteId + '/target-relations'))
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.map(attrRow => new Attribute(this.treeCache, attrRow));
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}
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get toString() {
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return `Note(noteId=${this.noteId}, title=${this.title})`;
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}
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get dto() {
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const dto = Object.assign({}, this);
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delete dto.treeCache;
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delete dto.archived;
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delete dto.attributeCache;
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return dto;
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}
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}
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export default NoteShort;</code></pre>
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</article>
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</section>
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</div>
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<nav>
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<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Branch.html">Branch</a></li><li><a href="FrontendScriptApi.html">FrontendScriptApi</a></li><li><a href="NoteFull.html">NoteFull</a></li><li><a href="NoteShort.html">NoteShort</a></li></ul><h3><a href="global.html">Global</a></h3>
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</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/jsdoc/jsdoc">JSDoc 3.6.3</a>
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</footer>
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<script> prettyPrint(); </script>
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