mirror of
https://github.com/zadam/trilium.git
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578 lines
17 KiB
JavaScript
578 lines
17 KiB
JavaScript
"use strict";
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const sql = require('../sql');
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const utils = require('../../services/utils');
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const LABEL = 'label';
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const RELATION = 'relation';
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class Note {
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constructor(row) {
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this.updateFromRow(row);
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this.init();
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}
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updateFromRow(row) {
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this.update([
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row.noteId,
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row.title,
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row.type,
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row.mime
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]);
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}
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update([noteId, title, type, mime]) {
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/** @param {string} */
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this.noteId = noteId;
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/** @param {string} */
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this.title = title;
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/** @param {string} */
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this.type = type;
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/** @param {string} */
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this.mime = mime;
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return this;
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}
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init() {
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/** @param {Branch[]} */
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this.parentBranches = [];
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/** @param {Note[]} */
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this.parents = [];
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/** @param {Note[]} */
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this.children = [];
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/** @param {Attribute[]} */
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this.ownedAttributes = [];
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/** @param {Attribute[]|null} */
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this.__attributeCache = null;
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/** @param {Attribute[]|null} */
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this.inheritableAttributeCache = null;
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/** @param {Attribute[]} */
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this.targetRelations = [];
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this.becca.addNote(this.noteId, this);
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/** @param {Note[]|null} */
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this.ancestorCache = null;
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}
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getParentBranches() {
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return this.parentBranches;
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}
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getBranches() {
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return this.parentBranches;
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}
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getParentNotes() {
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return this.parents;
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}
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getChildNotes() {
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return this.children;
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}
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hasChildren() {
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return this.children && this.children.length > 0;
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}
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getChildBranches() {
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return this.children.map(childNote => this.becca.getBranchFromChildAndParent(childNote.noteId, this.noteId));
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}
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getContent(silentNotFoundError = false) {
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const row = sql.getRow(`SELECT content FROM note_contents WHERE noteId = ?`, [this.noteId]);
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if (!row) {
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if (silentNotFoundError) {
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return undefined;
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}
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else {
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throw new Error("Cannot find note content for noteId=" + this.noteId);
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}
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}
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let content = row.content;
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if (this.isStringNote()) {
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return content === null
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? ""
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: content.toString("UTF-8");
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}
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else {
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return content;
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}
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}
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/** @returns {*} */
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getJsonContent() {
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const content = this.getContent();
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if (!content || !content.trim()) {
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return null;
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}
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return JSON.parse(content);
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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")
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|| this.mime === "application/x-javascript"
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|| this.mime === "text/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 ["code", "file", "render"].includes(this.type)
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&& this.mime === "text/html";
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}
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/** @returns {boolean} true if the note has string content (not binary) */
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isStringNote() {
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return utils.isStringNote(this.type, this.mime);
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}
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/**
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* @param {string} [type] - (optional) attribute type to filter
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* @param {string} [name] - (optional) attribute name to filter
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* @returns {Attribute[]} all note's attributes, including inherited ones
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*/
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getAttributes(type, name) {
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this.__getAttributes([]);
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if (type && name) {
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return this.__attributeCache.filter(attr => attr.type === type && attr.name === name);
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}
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else if (type) {
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return this.__attributeCache.filter(attr => attr.type === type);
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}
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else 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.slice();
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}
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}
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__getAttributes(path) {
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if (path.includes(this.noteId)) {
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return [];
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}
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if (!this.__attributeCache) {
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const parentAttributes = this.ownedAttributes.slice();
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const newPath = [...path, this.noteId];
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if (this.noteId !== 'root') {
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for (const parentNote of this.parents) {
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parentAttributes.push(...parentNote.__getInheritableAttributes(newPath));
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}
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}
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const templateAttributes = [];
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for (const ownedAttr of parentAttributes) { // parentAttributes so we process also inherited templates
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if (ownedAttr.type === 'relation' && ownedAttr.name === 'template') {
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const templateNote = this.becca.notes[ownedAttr.value];
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if (templateNote) {
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templateAttributes.push(...templateNote.__getAttributes(newPath));
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}
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}
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}
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this.__attributeCache = [];
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const addedAttributeIds = new Set();
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for (const attr of parentAttributes.concat(templateAttributes)) {
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if (!addedAttributeIds.has(attr.attributeId)) {
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addedAttributeIds.add(attr.attributeId);
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this.__attributeCache.push(attr);
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}
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}
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this.inheritableAttributeCache = [];
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for (const attr of this.__attributeCache) {
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if (attr.isInheritable) {
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this.inheritableAttributeCache.push(attr);
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}
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}
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}
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return this.__attributeCache;
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}
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/** @return {Attribute[]} */
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__getInheritableAttributes(path) {
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if (path.includes(this.noteId)) {
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return [];
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}
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if (!this.inheritableAttributeCache) {
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this.__getAttributes(path); // will refresh also this.inheritableAttributeCache
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}
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return this.inheritableAttributeCache;
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}
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hasAttribute(type, name) {
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return !!this.getAttributes().find(attr => attr.type === type && attr.name === name);
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}
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getAttributeCaseInsensitive(type, name, value) {
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name = name.toLowerCase();
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value = value ? value.toLowerCase() : null;
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return this.getAttributes().find(
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attr => attr.type === type
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&& attr.name.toLowerCase() === name
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&& (!value || attr.value.toLowerCase() === value));
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}
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getRelationTarget(name) {
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const relation = this.getAttributes().find(attr => attr.type === 'relation' && attr.name === name);
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return relation ? relation.targetNote : null;
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}
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/**
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* @param {string} name - label name
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* @returns {boolean} true if label exists (including inherited)
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*/
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hasLabel(name) { return this.hasAttribute(LABEL, name); }
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/**
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* @param {string} name - label name
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* @returns {boolean} true if label exists (excluding inherited)
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*/
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hasOwnedLabel(name) { return this.hasOwnedAttribute(LABEL, name); }
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/**
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* @param {string} name - relation name
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* @returns {boolean} true if relation exists (including inherited)
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*/
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hasRelation(name) { return this.hasAttribute(RELATION, name); }
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/**
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* @param {string} name - relation name
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* @returns {boolean} true if relation exists (excluding inherited)
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*/
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hasOwnedRelation(name) { return this.hasOwnedAttribute(RELATION, name); }
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/**
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* @param {string} name - label name
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* @returns {Attribute|null} label if it exists, null otherwise
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*/
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getLabel(name) { return this.getAttribute(LABEL, name); }
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/**
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* @param {string} name - label name
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* @returns {Attribute|null} label if it exists, null otherwise
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*/
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getOwnedLabel(name) { return this.getOwnedAttribute(LABEL, name); }
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/**
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* @param {string} name - relation name
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* @returns {Attribute|null} relation if it exists, null otherwise
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*/
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getRelation(name) { return this.getAttribute(RELATION, name); }
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/**
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* @param {string} name - relation name
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* @returns {Attribute|null} relation if it exists, null otherwise
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*/
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getOwnedRelation(name) { return this.getOwnedAttribute(RELATION, name); }
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/**
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* @param {string} name - label name
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* @returns {string|null} label value if label exists, null otherwise
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*/
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getLabelValue(name) { return this.getAttributeValue(LABEL, name); }
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/**
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* @param {string} name - label name
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* @returns {string|null} label value if label exists, null otherwise
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*/
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getOwnedLabelValue(name) { return this.getOwnedAttributeValue(LABEL, name); }
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/**
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* @param {string} name - relation name
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* @returns {string|null} relation value if relation exists, null otherwise
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*/
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getRelationValue(name) { return this.getAttributeValue(RELATION, name); }
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/**
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* @param {string} name - relation name
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* @returns {string|null} relation value if relation exists, null otherwise
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*/
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getOwnedRelationValue(name) { return this.getOwnedAttributeValue(RELATION, name); }
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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 {boolean} true if note has an attribute with given type and name (excluding inherited)
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*/
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hasOwnedAttribute(type, name) {
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return !!this.getOwnedAttribute(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 {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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getAttribute(type, name) {
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const attributes = 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 {string|null} attribute value of given type and name or null if no such attribute exists.
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*/
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getAttributeValue(type, name) {
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const attr = 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} type - attribute type (label, relation, etc.)
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* @param {string} name - attribute name
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* @returns {string|null} attribute value of given type and name or null if no such attribute exists.
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*/
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getOwnedAttributeValue(type, name) {
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const attr = this.getOwnedAttribute(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 to filter
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* @returns {Attribute[]} all note's labels (attributes with type label), including inherited ones
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*/
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getLabels(name) {
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return this.getAttributes(LABEL, name);
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}
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/**
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* @param {string} [name] - label name to filter
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* @returns {string[]} all note's label values, including inherited ones
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*/
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getLabelValues(name) {
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return this.getLabels(name).map(l => l.value);
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}
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/**
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* @param {string} [name] - label name to filter
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* @returns {Attribute[]} all note's labels (attributes with type label), excluding inherited ones
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*/
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getOwnedLabels(name) {
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return this.getOwnedAttributes(LABEL, name);
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}
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/**
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* @param {string} [name] - label name to filter
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* @returns {string[]} all note's label values, excluding inherited ones
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*/
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getOwnedLabelValues(name) {
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return this.getOwnedAttributes(LABEL, name).map(l => l.value);
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}
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/**
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* @param {string} [name] - relation name to filter
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* @returns {Attribute[]} all note's relations (attributes with type relation), including inherited ones
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*/
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getRelations(name) {
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return this.getAttributes(RELATION, name);
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}
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/**
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* @param {string} [name] - relation name to filter
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* @returns {Attribute[]} all note's relations (attributes with type relation), excluding inherited ones
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*/
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getOwnedRelations(name) {
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return this.getOwnedAttributes(RELATION, name);
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}
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/**
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* @param {string} [type] - (optional) attribute type to filter
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* @param {string} [name] - (optional) attribute name to filter
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* @returns {Attribute[]} note's "owned" attributes - excluding inherited ones
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*/
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getOwnedAttributes(type, name) {
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// it's a common mistake to include # or ~ into attribute name
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if (name && ["#", "~"].includes(name[0])) {
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name = name.substr(1);
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}
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if (type && name) {
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return this.ownedAttributes.filter(attr => attr.type === type && attr.name === name);
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}
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else if (type) {
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return this.ownedAttributes.filter(attr => attr.type === type);
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}
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else if (name) {
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return this.ownedAttributes.filter(attr => attr.name === name);
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}
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else {
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return this.ownedAttributes.slice();
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}
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}
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/**
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* @returns {Attribute} attribute belonging to this specific note (excludes inherited attributes)
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*
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* This method can be significantly faster than the getAttribute()
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*/
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getOwnedAttribute(type, name) {
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const attrs = this.getOwnedAttributes(type, name);
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return attrs.length > 0 ? attrs[0] : null;
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}
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get isArchived() {
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return this.hasAttribute('label', 'archived');
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}
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hasInheritableOwnedArchivedLabel() {
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return !!this.ownedAttributes.find(attr => attr.type === 'label' && attr.name === 'archived' && attr.isInheritable);
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}
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// will sort the parents so that non-search & non-archived are first and archived at the end
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// this is done so that non-search & non-archived paths are always explored as first when looking for note path
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resortParents() {
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this.parentBranches.sort((a, b) =>
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a.branchId.startsWith('virt-')
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|| a.parentNote.hasInheritableOwnedArchivedLabel() ? 1 : -1);
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this.parents = this.parentBranches.map(branch => branch.parentNote);
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}
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isTemplate() {
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return !!this.targetRelations.find(rel => rel.name === 'template');
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}
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/** @return {Note[]} */
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getSubtreeNotesIncludingTemplated() {
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const arr = [[this]];
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for (const childNote of this.children) {
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arr.push(childNote.getSubtreeNotesIncludingTemplated());
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}
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for (const targetRelation of this.targetRelations) {
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if (targetRelation.name === 'template') {
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const note = targetRelation.note;
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if (note) {
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arr.push(note.getSubtreeNotesIncludingTemplated());
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}
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}
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}
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return arr.flat();
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}
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/** @return {Note[]} */
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getSubtreeNotes(includeArchived = true) {
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const noteSet = new Set();
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function addSubtreeNotesInner(note) {
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if (!includeArchived && note.isArchived) {
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return;
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}
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noteSet.add(note);
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for (const childNote of note.children) {
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addSubtreeNotesInner(childNote);
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}
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}
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addSubtreeNotesInner(this);
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return Array.from(noteSet);
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}
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/** @return {String[]} */
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getSubtreeNoteIds() {
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return this.getSubtreeNotes().map(note => note.noteId);
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}
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getDescendantNoteIds() {
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return this.getSubtreeNoteIds();
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}
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getAncestors() {
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if (!this.ancestorCache) {
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const noteIds = new Set();
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this.ancestorCache = [];
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for (const parent of this.parents) {
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if (!noteIds.has(parent.noteId)) {
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this.ancestorCache.push(parent);
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noteIds.add(parent.noteId);
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}
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for (const ancestorNote of parent.getAncestors()) {
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if (!noteIds.has(ancestorNote.noteId)) {
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this.ancestorCache.push(ancestorNote);
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noteIds.add(ancestorNote.noteId);
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}
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}
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}
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}
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return this.ancestorCache;
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}
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getTargetRelations() {
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return this.targetRelations;
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}
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/** @return {Note[]} - returns only notes which are templated, does not include their subtrees
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* in effect returns notes which are influenced by note's non-inheritable attributes */
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getTemplatedNotes() {
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const arr = [this];
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for (const targetRelation of this.targetRelations) {
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if (targetRelation.name === 'template') {
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const note = targetRelation.note;
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if (note) {
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arr.push(note);
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}
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}
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}
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return arr;
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}
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/**
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* @param ancestorNoteId
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* @return {boolean} - true if ancestorNoteId occurs in at least one of the note's paths
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*/
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isDescendantOfNote(ancestorNoteId) {
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const notePaths = this.getAllNotePaths();
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return notePaths.some(path => path.includes(ancestorNoteId));
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}
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}
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module.exports = Note;
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