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			103 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			2.6 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: entities/entity.js</title>
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| 
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| 
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| <body>
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| 
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| <div id="main">
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| 
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|     <h1 class="page-title">Source: entities/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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| 
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| class Entity {
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|     /**
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|      * @param {object} [row] - database row representing given entity
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|      */
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|     constructor(row = {}) {
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|         for (const key in row) {
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|             this[key] = row[key];
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|         }
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| 
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|         if ('isDeleted' in this) {
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|             this.isDeleted = !!this.isDeleted;
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|         }
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|     }
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| 
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|     beforeSaving() {
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|         this.generateIdIfNecessary();
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| 
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|         const origHash = this.hash;
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| 
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|         this.hash = this.generateHash();
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| 
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|         this.isChanged = origHash !== this.hash;
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|     }
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| 
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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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|     generateHash() {
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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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|         return utils.hash(contentToHash).substr(0, 10);
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|     }
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| 
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|     async save() {
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|         await require('../services/repository').updateEntity(this);
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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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| module.exports = Entity;</code></pre>
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|         </article>
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|     </section>
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