mirror of
				https://github.com/TriliumNext/Notes.git
				synced 2025-11-04 07:01:31 +08:00 
			
		
		
		
	
		
			
	
	
		
			222 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
		
		
			
		
	
	
			222 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
| 
								 | 
							
								<!DOCTYPE html>
							 | 
						||
| 
								 | 
							
								<html lang="en">
							 | 
						||
| 
								 | 
							
								<head>
							 | 
						||
| 
								 | 
							
								    <meta charset="utf-8">
							 | 
						||
| 
								 | 
							
								    <title>JSDoc: Source: becca/entities/abstract_becca_entity.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/abstract_becca_entity.js</h1>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    
							 | 
						||
| 
								 | 
							
								    <section>
							 | 
						||
| 
								 | 
							
								        <article>
							 | 
						||
| 
								 | 
							
								            <pre class="prettyprint source linenums"><code>"use strict";
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								const utils = require('../../services/utils');
							 | 
						||
| 
								 | 
							
								const sql = require('../../services/sql');
							 | 
						||
| 
								 | 
							
								const entityChangesService = require('../../services/entity_changes');
							 | 
						||
| 
								 | 
							
								const eventService = require("../../services/events");
							 | 
						||
| 
								 | 
							
								const dateUtils = require("../../services/date_utils");
							 | 
						||
| 
								 | 
							
								const cls = require("../../services/cls");
							 | 
						||
| 
								 | 
							
								const log = require("../../services/log");
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								let becca = null;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * Base class for all backend entities.
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								class AbstractBeccaEntity {
							 | 
						||
| 
								 | 
							
								    /** @protected */
							 | 
						||
| 
								 | 
							
								    beforeSaving() {
							 | 
						||
| 
								 | 
							
								        this.generateIdIfNecessary();
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    /** @protected */
							 | 
						||
| 
								 | 
							
								    generateIdIfNecessary() {
							 | 
						||
| 
								 | 
							
								        if (!this[this.constructor.primaryKeyName]) {
							 | 
						||
| 
								 | 
							
								            this[this.constructor.primaryKeyName] = utils.newEntityId();
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    /** @protected */
							 | 
						||
| 
								 | 
							
								    generateHash(isDeleted = false) {
							 | 
						||
| 
								 | 
							
								        let contentToHash = "";
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        for (const propertyName of this.constructor.hashedProperties) {
							 | 
						||
| 
								 | 
							
								            contentToHash += `|${this[propertyName]}`;
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        if (isDeleted) {
							 | 
						||
| 
								 | 
							
								            contentToHash += "|deleted";
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        return utils.hash(contentToHash).substr(0, 10);
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    /** @protected */
							 | 
						||
| 
								 | 
							
								    getUtcDateChanged() {
							 | 
						||
| 
								 | 
							
								        return this.utcDateModified || this.utcDateCreated;
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    /**
							 | 
						||
| 
								 | 
							
								     * @protected
							 | 
						||
| 
								 | 
							
								     * @returns {Becca}
							 | 
						||
| 
								 | 
							
								     */
							 | 
						||
| 
								 | 
							
								    get becca() {
							 | 
						||
| 
								 | 
							
								        if (!becca) {
							 | 
						||
| 
								 | 
							
								            becca = require('../becca');
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        return becca;
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    /** @protected */
							 | 
						||
| 
								 | 
							
								    addEntityChange(isDeleted = false) {
							 | 
						||
| 
								 | 
							
								        entityChangesService.addEntityChange({
							 | 
						||
| 
								 | 
							
								            entityName: this.constructor.entityName,
							 | 
						||
| 
								 | 
							
								            entityId: this[this.constructor.primaryKeyName],
							 | 
						||
| 
								 | 
							
								            hash: this.generateHash(isDeleted),
							 | 
						||
| 
								 | 
							
								            isErased: false,
							 | 
						||
| 
								 | 
							
								            utcDateChanged: this.getUtcDateChanged(),
							 | 
						||
| 
								 | 
							
								            isSynced: this.constructor.entityName !== 'options' || !!this.isSynced
							 | 
						||
| 
								 | 
							
								        });
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    /** @protected */
							 | 
						||
| 
								 | 
							
								    getPojoToSave() {
							 | 
						||
| 
								 | 
							
								        return this.getPojo();
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    /**
							 | 
						||
| 
								 | 
							
								     * Saves entity - executes SQL, but doesn't commit the transaction on its own
							 | 
						||
| 
								 | 
							
								     *
							 | 
						||
| 
								 | 
							
								     * @returns {this}
							 | 
						||
| 
								 | 
							
								     */
							 | 
						||
| 
								 | 
							
								    save(opts = {}) {
							 | 
						||
| 
								 | 
							
								        const entityName = this.constructor.entityName;
							 | 
						||
| 
								 | 
							
								        const primaryKeyName = this.constructor.primaryKeyName;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        const isNewEntity = !this[primaryKeyName];
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        if (this.beforeSaving) {
							 | 
						||
| 
								 | 
							
								            this.beforeSaving(opts);
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        const pojo = this.getPojoToSave();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        sql.transactional(() => {
							 | 
						||
| 
								 | 
							
								            sql.upsert(entityName, primaryKeyName, pojo);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								            if (entityName === 'recent_notes') {
							 | 
						||
| 
								 | 
							
								                return;
							 | 
						||
| 
								 | 
							
								            }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								            this.addEntityChange(false);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								            if (!cls.isEntityEventsDisabled()) {
							 | 
						||
| 
								 | 
							
								                const eventPayload = {
							 | 
						||
| 
								 | 
							
								                    entityName,
							 | 
						||
| 
								 | 
							
								                    entity: this
							 | 
						||
| 
								 | 
							
								                };
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								                if (isNewEntity) {
							 | 
						||
| 
								 | 
							
								                    eventService.emit(eventService.ENTITY_CREATED, eventPayload);
							 | 
						||
| 
								 | 
							
								                }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								                eventService.emit(eventService.ENTITY_CHANGED, eventPayload);
							 | 
						||
| 
								 | 
							
								            }
							 | 
						||
| 
								 | 
							
								        });
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        return this;
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    /**
							 | 
						||
| 
								 | 
							
								     * Mark the entity as (soft) deleted. It will be completely erased later.
							 | 
						||
| 
								 | 
							
								     *
							 | 
						||
| 
								 | 
							
								     * This is a low level method, for notes and branches use `note.deleteNote()` and 'branch.deleteBranch()` instead.
							 | 
						||
| 
								 | 
							
								     *
							 | 
						||
| 
								 | 
							
								     * @param [deleteId=null]
							 | 
						||
| 
								 | 
							
								     */
							 | 
						||
| 
								 | 
							
								    markAsDeleted(deleteId = null) {
							 | 
						||
| 
								 | 
							
								        const entityId = this[this.constructor.primaryKeyName];
							 | 
						||
| 
								 | 
							
								        const entityName = this.constructor.entityName;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        this.utcDateModified = dateUtils.utcNowDateTime();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        sql.execute(`UPDATE ${entityName} SET isDeleted = 1, deleteId = ?, utcDateModified = ?
							 | 
						||
| 
								 | 
							
								                           WHERE ${this.constructor.primaryKeyName} = ?`,
							 | 
						||
| 
								 | 
							
								            [deleteId, this.utcDateModified, entityId]);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        if (this.dateModified) {
							 | 
						||
| 
								 | 
							
								            this.dateModified = dateUtils.localNowDateTime();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								            sql.execute(`UPDATE ${entityName} SET dateModified = ? WHERE ${this.constructor.primaryKeyName} = ?`,
							 | 
						||
| 
								 | 
							
								                [this.dateModified, entityId]);
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        log.info(`Marking ${entityName} ${entityId} as deleted`);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        this.addEntityChange(true);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        eventService.emit(eventService.ENTITY_DELETED, { entityName, entityId, entity: this });
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    markAsDeletedSimple() {
							 | 
						||
| 
								 | 
							
								        const entityId = this[this.constructor.primaryKeyName];
							 | 
						||
| 
								 | 
							
								        const entityName = this.constructor.entityName;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        this.utcDateModified = dateUtils.utcNowDateTime();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        sql.execute(`UPDATE ${entityName} SET isDeleted = 1, utcDateModified = ?
							 | 
						||
| 
								 | 
							
								                           WHERE ${this.constructor.primaryKeyName} = ?`,
							 | 
						||
| 
								 | 
							
								            [this.utcDateModified, entityId]);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        log.info(`Marking ${entityName} ${entityId} as deleted`);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        this.addEntityChange(true);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        eventService.emit(eventService.ENTITY_DELETED, { entityName, entityId, entity: this });
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								module.exports = AbstractBeccaEntity;
							 | 
						||
| 
								 | 
							
								</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="AbstractBeccaEntity.html">AbstractBeccaEntity</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="BNoteRevision.html">BNoteRevision</a></li><li><a href="BOption.html">BOption</a></li><li><a href="BRecentNote.html">BRecentNote</a></li><li><a href="BackendScriptApi.html">BackendScriptApi</a></li></ul>
							 | 
						||
| 
								 | 
							
								</nav>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<br class="clear">
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<footer>
							 | 
						||
| 
								 | 
							
								    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.1</a>
							 | 
						||
| 
								 | 
							
								</footer>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<script> prettyPrint(); </script>
							 | 
						||
| 
								 | 
							
								<script src="scripts/linenumber.js"> </script>
							 | 
						||
| 
								 | 
							
								</body>
							 | 
						||
| 
								 | 
							
								</html>
							 |