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334 lines
10 KiB
HTML
334 lines
10 KiB
HTML
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<title>JSDoc: Source: becca/entities/bbranch.js</title>
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<h1 class="page-title">Source: becca/entities/bbranch.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 BNote = require('./bnote');
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const AbstractBeccaEntity = require("./abstract_becca_entity");
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const dateUtils = require("../../services/date_utils");
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const utils = require("../../services/utils");
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const TaskContext = require("../../services/task_context");
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const cls = require("../../services/cls");
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const log = require("../../services/log");
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/**
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* Branch represents a relationship between a child note and its parent note. Trilium allows a note to have multiple
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* parents.
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*
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* Note that you should not rely on the branch's identity, since it can change easily with a note's move.
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* Always check noteId instead.
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*
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* @extends AbstractBeccaEntity
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*/
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class BBranch extends AbstractBeccaEntity {
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static get entityName() { return "branches"; }
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static get primaryKeyName() { return "branchId"; }
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// notePosition is not part of hash because it would produce a lot of updates in case of reordering
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static get hashedProperties() { return ["branchId", "noteId", "parentNoteId", "prefix"]; }
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constructor(row) {
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super();
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if (!row) {
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return;
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}
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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.branchId,
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row.noteId,
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row.parentNoteId,
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row.prefix,
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row.notePosition,
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row.isExpanded,
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row.utcDateModified
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]);
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}
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update([branchId, noteId, parentNoteId, prefix, notePosition, isExpanded, utcDateModified]) {
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/** @type {string} */
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this.branchId = branchId;
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/** @type {string} */
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this.noteId = noteId;
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/** @type {string} */
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this.parentNoteId = parentNoteId;
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/** @type {string|null} */
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this.prefix = prefix;
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/** @type {int} */
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this.notePosition = notePosition;
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/** @type {boolean} */
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this.isExpanded = !!isExpanded;
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/** @type {string} */
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this.utcDateModified = utcDateModified;
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return this;
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}
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init() {
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if (this.branchId) {
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this.becca.branches[this.branchId] = this;
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}
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this.becca.childParentToBranch[`${this.noteId}-${this.parentNoteId}`] = this;
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const childNote = this.childNote;
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if (!childNote.parentBranches.includes(this)) {
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childNote.parentBranches.push(this);
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}
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if (this.noteId === 'root') {
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return;
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}
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const parentNote = this.parentNote;
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if (!childNote.parents.includes(parentNote)) {
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childNote.parents.push(parentNote);
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}
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if (!parentNote.children.includes(childNote)) {
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parentNote.children.push(childNote);
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}
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}
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/** @returns {BNote} */
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get childNote() {
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if (!(this.noteId in this.becca.notes)) {
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// entities can come out of order in sync/import, create skeleton which will be filled later
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this.becca.addNote(this.noteId, new BNote({noteId: this.noteId}));
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}
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return this.becca.notes[this.noteId];
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}
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/** @returns {BNote} */
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getNote() {
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return this.childNote;
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}
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/** @returns {BNote|undefined} - root branch will have undefined parent, all other branches have to have a parent note */
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get parentNote() {
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if (!(this.parentNoteId in this.becca.notes) && this.parentNoteId !== 'none') {
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// entities can come out of order in sync/import, create skeleton which will be filled later
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this.becca.addNote(this.parentNoteId, new BNote({noteId: this.parentNoteId}));
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}
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return this.becca.notes[this.parentNoteId];
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}
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get isDeleted() {
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return !(this.branchId in this.becca.branches);
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}
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/**
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* Branch is weak when its existence should not hinder deletion of its note.
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* As a result, note with only weak branches should be immediately deleted.
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* An example is shared or bookmarked clones - they are created automatically and exist for technical reasons,
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* not as user-intended actions. From user perspective, they don't count as real clones and for the purpose
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* of deletion should not act as a clone.
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*
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* @returns {boolean}
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*/
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get isWeak() {
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return ['_share', '_lbBookmarks'].includes(this.parentNoteId);
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}
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/**
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* Delete a branch. If this is a last note's branch, delete the note as well.
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*
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* @param {string} [deleteId] - optional delete identified
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* @param {TaskContext} [taskContext]
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*
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* @returns {boolean} - true if note has been deleted, false otherwise
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*/
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deleteBranch(deleteId, taskContext) {
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if (!deleteId) {
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deleteId = utils.randomString(10);
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}
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if (!taskContext) {
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taskContext = new TaskContext('no-progress-reporting');
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}
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taskContext.increaseProgressCount();
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const note = this.getNote();
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if (!taskContext.noteDeletionHandlerTriggered) {
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const parentBranches = note.getParentBranches();
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if (parentBranches.length === 1 && parentBranches[0] === this) {
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// needs to be run before branches and attributes are deleted and thus attached relations disappear
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const handlers = require("../../services/handlers");
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handlers.runAttachedRelations(note, 'runOnNoteDeletion', note);
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}
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}
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if (this.noteId === 'root'
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|| this.noteId === cls.getHoistedNoteId()) {
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throw new Error("Can't delete root or hoisted branch/note");
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}
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this.markAsDeleted(deleteId);
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const notDeletedBranches = note.getStrongParentBranches();
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if (notDeletedBranches.length === 0) {
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for (const weakBranch of note.getParentBranches()) {
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weakBranch.markAsDeleted(deleteId);
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}
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for (const childBranch of note.getChildBranches()) {
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childBranch.deleteBranch(deleteId, taskContext);
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}
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// first delete children and then parent - this will show up better in recent changes
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log.info(`Deleting note '${note.noteId}'`);
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this.becca.notes[note.noteId].isBeingDeleted = true;
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for (const attribute of note.getOwnedAttributes().slice()) {
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attribute.markAsDeleted(deleteId);
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}
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for (const relation of note.getTargetRelations()) {
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relation.markAsDeleted(deleteId);
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}
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for (const attachment of note.getAttachments()) {
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attachment.markAsDeleted(deleteId);
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}
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note.markAsDeleted(deleteId);
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return true;
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}
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else {
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return false;
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}
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}
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beforeSaving() {
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if (!this.noteId || !this.parentNoteId) {
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throw new Error(`noteId and parentNoteId are mandatory properties for Branch`);
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}
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this.branchId = `${this.parentNoteId}_${this.noteId}`;
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if (this.notePosition === undefined || this.notePosition === null) {
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let maxNotePos = 0;
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for (const childBranch of this.parentNote.getChildBranches()) {
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if (maxNotePos < childBranch.notePosition
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&& childBranch.noteId !== '_hidden' // hidden has a very large notePosition to always stay last
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) {
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maxNotePos = childBranch.notePosition;
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}
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}
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this.notePosition = maxNotePos + 10;
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}
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if (!this.isExpanded) {
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this.isExpanded = false;
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}
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if (!this.prefix?.trim()) {
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this.prefix = null;
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}
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this.utcDateModified = dateUtils.utcNowDateTime();
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super.beforeSaving();
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this.becca.branches[this.branchId] = this;
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}
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getPojo() {
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return {
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branchId: this.branchId,
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noteId: this.noteId,
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parentNoteId: this.parentNoteId,
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prefix: this.prefix,
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notePosition: this.notePosition,
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isExpanded: this.isExpanded,
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isDeleted: false,
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utcDateModified: this.utcDateModified
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};
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}
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createClone(parentNoteId, notePosition) {
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const existingBranch = this.becca.getBranchFromChildAndParent(this.noteId, parentNoteId);
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if (existingBranch) {
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existingBranch.notePosition = notePosition;
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return existingBranch;
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} else {
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return new BBranch({
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noteId: this.noteId,
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parentNoteId: parentNoteId,
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notePosition: notePosition,
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prefix: this.prefix,
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isExpanded: this.isExpanded
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});
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}
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}
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}
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module.exports = BBranch;
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</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>Modules</h3><ul><li><a href="module-sql.html">sql</a></li></ul><h3>Classes</h3><ul><li><a href="AbstractBeccaEntity.html">AbstractBeccaEntity</a></li><li><a href="BAttachment.html">BAttachment</a></li><li><a href="BAttribute.html">BAttribute</a></li><li><a href="BBranch.html">BBranch</a></li><li><a href="BEtapiToken.html">BEtapiToken</a></li><li><a href="BNote.html">BNote</a></li><li><a href="BOption.html">BOption</a></li><li><a href="BRecentNote.html">BRecentNote</a></li><li><a href="BRevision.html">BRevision</a></li><li><a href="BackendScriptApi.html">BackendScriptApi</a></li></ul><h3>Global</h3><ul><li><a href="global.html#api">api</a></li></ul>
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