<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JSDoc: Source: becca/entities/branch.js</title>
<script src="scripts/prettify/prettify.js"> </script>
<script src="scripts/prettify/lang-css.js"> </script>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
</head>
<body>
<div id="main">
<h1 class="page-title">Source: becca/entities/branch.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>"use strict";
const Note = require('./note');
const AbstractEntity = require("./abstract_entity");
const sql = require("../../services/sql");
const dateUtils = require("../../services/date_utils");
const utils = require("../../services/utils.js");
const TaskContext = require("../../services/task_context.js");
const cls = require("../../services/cls.js");
const log = require("../../services/log.js");
/**
* Branch represents a relationship between a child note and its parent note. Trilium allows a note to have multiple
* parents.
*
* @extends AbstractEntity
*/
class Branch extends AbstractEntity {
static get entityName() { return "branches"; }
static get primaryKeyName() { return "branchId"; }
// notePosition is not part of hash because it would produce a lot of updates in case of reordering
static get hashedProperties() { return ["branchId", "noteId", "parentNoteId", "prefix"]; }
constructor(row) {
super();
if (!row) {
return;
}
this.updateFromRow(row);
this.init();
}
updateFromRow(row) {
this.update([
row.branchId,
row.noteId,
row.parentNoteId,
row.prefix,
row.notePosition,
row.isExpanded,
row.utcDateModified
]);
}
update([branchId, noteId, parentNoteId, prefix, notePosition, isExpanded, utcDateModified]) {
/** @type {string} */
this.branchId = branchId;
/** @type {string} */
this.noteId = noteId;
/** @type {string} */
this.parentNoteId = parentNoteId;
/** @type {string} */
this.prefix = prefix;
/** @type {int} */
this.notePosition = notePosition;
/** @type {boolean} */
this.isExpanded = !!isExpanded;
/** @type {string} */
this.utcDateModified = utcDateModified;
return this;
}
init() {
if (this.branchId) {
this.becca.branches[this.branchId] = this;
}
this.becca.childParentToBranch[`${this.noteId}-${this.parentNoteId}`] = this;
if (this.branchId === 'root') {
return;
}
const childNote = this.childNote;
const parentNote = this.parentNote;
if (!childNote.parents.includes(parentNote)) {
childNote.parents.push(parentNote);
}
if (!childNote.parentBranches.includes(this)) {
childNote.parentBranches.push(this);
}
if (!parentNote.children.includes(childNote)) {
parentNote.children.push(childNote);
}
}
/** @returns {Note} */
get childNote() {
if (!(this.noteId in this.becca.notes)) {
// entities can come out of order in sync/import, create skeleton which will be filled later
this.becca.addNote(this.noteId, new Note({noteId: this.noteId}));
}
return this.becca.notes[this.noteId];
}
getNote() {
return this.childNote;
}
/** @returns {Note} */
get parentNote() {
if (!(this.parentNoteId in this.becca.notes)) {
// entities can come out of order in sync/import, create skeleton which will be filled later
this.becca.addNote(this.parentNoteId, new Note({noteId: this.parentNoteId}));
}
return this.becca.notes[this.parentNoteId];
}
get isDeleted() {
return !(this.branchId in this.becca.branches);
}
/**
* Delete a branch. If this is a last note's branch, delete the note as well.
*
* @param {string} [deleteId] - optional delete identified
* @param {TaskContext} [taskContext]
*
* @return {boolean} - true if note has been deleted, false otherwise
*/
deleteBranch(deleteId, taskContext) {
if (!deleteId) {
deleteId = utils.randomString(10);
}
if (!taskContext) {
taskContext = new TaskContext('no-progress-reporting');
}
taskContext.increaseProgressCount();
if (this.branchId === 'root'
|| this.noteId === 'root'
|| this.noteId === cls.getHoistedNoteId()) {
throw new Error("Can't delete root or hoisted branch/note");
}
this.markAsDeleted(deleteId);
const note = this.getNote();
const notDeletedBranches = note.getParentBranches();
if (notDeletedBranches.length === 0) {
for (const childBranch of note.getChildBranches()) {
childBranch.deleteBranch(deleteId, taskContext);
}
// first delete children and then parent - this will show up better in recent changes
log.info("Deleting note " + note.noteId);
for (const attribute of note.getOwnedAttributes()) {
attribute.markAsDeleted(deleteId);
}
for (const relation of note.getTargetRelations()) {
relation.markAsDeleted(deleteId);
}
note.markAsDeleted(deleteId);
return true;
}
else {
return false;
}
}
beforeSaving() {
if (this.notePosition === undefined || this.notePosition === null) {
// TODO finding new position can be refactored into becca
const maxNotePos = sql.getValue('SELECT MAX(notePosition) FROM branches WHERE parentNoteId = ? AND isDeleted = 0', [this.parentNoteId]);
this.notePosition = maxNotePos === null ? 0 : maxNotePos + 10;
}
if (!this.isExpanded) {
this.isExpanded = false;
}
this.utcDateModified = dateUtils.utcNowDateTime();
super.beforeSaving();
this.becca.branches[this.branchId] = this;
}
getPojo() {
return {
branchId: this.branchId,
noteId: this.noteId,
parentNoteId: this.parentNoteId,
prefix: this.prefix,
notePosition: this.notePosition,
isExpanded: this.isExpanded,
isDeleted: false,
utcDateModified: this.utcDateModified
};
}
createClone(parentNoteId, notePosition) {
return new Branch({
noteId: this.noteId,
parentNoteId: parentNoteId,
notePosition: notePosition,
prefix: this.prefix,
isExpanded: this.isExpanded
});
}
}
module.exports = Branch;
</code></pre>
</article>
</section>
</div>
<nav>
<h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-sql.html">sql</a></li></ul><h3>Classes</h3><ul><li><a href="AbstractEntity.html">AbstractEntity</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="EtapiToken.html">EtapiToken</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>
<br class="clear">
<footer>
Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 3.6.10</a>
</footer>
<script> prettyPrint(); </script>
<script src="scripts/linenumber.js"> </script>
</body>
</html>