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			222 lines
		
	
	
		
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			222 lines
		
	
	
		
			6.4 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: becca/entities/abstract_becca_entity.js</title>
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| 
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| <div id="main">
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| 
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|     <h1 class="page-title">Source: becca/entities/abstract_becca_entity.js</h1>
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| 
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|     
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| 
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| 
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| 
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|     
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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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| 
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| const utils = require('../../services/utils');
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| const sql = require('../../services/sql');
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| const entityChangesService = require('../../services/entity_changes');
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| const eventService = require("../../services/events");
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| const dateUtils = require("../../services/date_utils");
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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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| let becca = null;
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| 
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| /**
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|  * Base class for all backend entities.
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|  */
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| class AbstractBeccaEntity {
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|     /** @protected */
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|     beforeSaving() {
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|         this.generateIdIfNecessary();
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|     }
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| 
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|     /** @protected */
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|     generateIdIfNecessary() {
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|         if (!this[this.constructor.primaryKeyName]) {
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|             this[this.constructor.primaryKeyName] = utils.newEntityId();
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|         }
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|     }
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| 
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|     /** @protected */
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|     generateHash(isDeleted = false) {
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|         let contentToHash = "";
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| 
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|         for (const propertyName of this.constructor.hashedProperties) {
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|             contentToHash += `|${this[propertyName]}`;
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|         }
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| 
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|         if (isDeleted) {
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|             contentToHash += "|deleted";
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|         }
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| 
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|         return utils.hash(contentToHash).substr(0, 10);
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|     }
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| 
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|     /** @protected */
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|     getUtcDateChanged() {
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|         return this.utcDateModified || this.utcDateCreated;
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|     }
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| 
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|     /**
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|      * @protected
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|      * @returns {Becca}
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|      */
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|     get becca() {
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|         if (!becca) {
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|             becca = require('../becca');
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|         }
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| 
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|         return becca;
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|     }
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| 
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|     /** @protected */
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|     addEntityChange(isDeleted = false) {
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|         entityChangesService.addEntityChange({
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|             entityName: this.constructor.entityName,
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|             entityId: this[this.constructor.primaryKeyName],
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|             hash: this.generateHash(isDeleted),
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|             isErased: false,
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|             utcDateChanged: this.getUtcDateChanged(),
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|             isSynced: this.constructor.entityName !== 'options' || !!this.isSynced
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|         });
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|     }
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| 
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|     /** @protected */
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|     getPojoToSave() {
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|         return this.getPojo();
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|     }
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| 
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|     /**
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|      * Saves entity - executes SQL, but doesn't commit the transaction on its own
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|      *
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|      * @returns {this}
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|      */
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|     save(opts = {}) {
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|         const entityName = this.constructor.entityName;
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|         const primaryKeyName = this.constructor.primaryKeyName;
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| 
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|         const isNewEntity = !this[primaryKeyName];
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| 
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|         if (this.beforeSaving) {
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|             this.beforeSaving(opts);
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|         }
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| 
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|         const pojo = this.getPojoToSave();
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| 
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|         sql.transactional(() => {
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|             sql.upsert(entityName, primaryKeyName, pojo);
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| 
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|             if (entityName === 'recent_notes') {
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|                 return;
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|             }
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| 
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|             this.addEntityChange(false);
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| 
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|             if (!cls.isEntityEventsDisabled()) {
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|                 const eventPayload = {
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|                     entityName,
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|                     entity: this
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|                 };
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| 
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|                 if (isNewEntity) {
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|                     eventService.emit(eventService.ENTITY_CREATED, eventPayload);
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|                 }
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| 
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|                 eventService.emit(eventService.ENTITY_CHANGED, eventPayload);
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|             }
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|         });
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| 
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|         return this;
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|     }
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| 
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|     /**
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|      * Mark the entity as (soft) deleted. It will be completely erased later.
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|      *
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|      * This is a low level method, for notes and branches use `note.deleteNote()` and 'branch.deleteBranch()` instead.
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|      *
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|      * @param [deleteId=null]
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|      */
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|     markAsDeleted(deleteId = null) {
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|         const entityId = this[this.constructor.primaryKeyName];
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|         const entityName = this.constructor.entityName;
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| 
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|         this.utcDateModified = dateUtils.utcNowDateTime();
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| 
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|         sql.execute(`UPDATE ${entityName} SET isDeleted = 1, deleteId = ?, utcDateModified = ?
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|                            WHERE ${this.constructor.primaryKeyName} = ?`,
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|             [deleteId, this.utcDateModified, entityId]);
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| 
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|         if (this.dateModified) {
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|             this.dateModified = dateUtils.localNowDateTime();
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| 
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|             sql.execute(`UPDATE ${entityName} SET dateModified = ? WHERE ${this.constructor.primaryKeyName} = ?`,
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|                 [this.dateModified, entityId]);
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|         }
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| 
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|         log.info(`Marking ${entityName} ${entityId} as deleted`);
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| 
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|         this.addEntityChange(true);
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| 
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|         eventService.emit(eventService.ENTITY_DELETED, { entityName, entityId, entity: this });
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|     }
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| 
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|     markAsDeletedSimple() {
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|         const entityId = this[this.constructor.primaryKeyName];
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|         const entityName = this.constructor.entityName;
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| 
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|         this.utcDateModified = dateUtils.utcNowDateTime();
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| 
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|         sql.execute(`UPDATE ${entityName} SET isDeleted = 1, utcDateModified = ?
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|                            WHERE ${this.constructor.primaryKeyName} = ?`,
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|             [this.utcDateModified, entityId]);
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| 
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|         log.info(`Marking ${entityName} ${entityId} as deleted`);
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| 
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|         this.addEntityChange(true);
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| 
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|         eventService.emit(eventService.ENTITY_DELETED, { entityName, entityId, entity: this });
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|     }
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| }
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| 
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| module.exports = AbstractBeccaEntity;
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| </code></pre>
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|         </article>
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|     </section>
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| 
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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="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>
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