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<h1 class="page-title">Source: entities/entity.js</h1>
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<pre class="prettyprint source linenums"><code>"use strict";
const utils = require('../services/utils');
class Entity {
/**
* @param {object} [row] - database row representing given entity
*/
constructor(row = {}) {
for (const key in row) {
// ! is used when joint-fetching notes and note_contents objects for performance
if (!key.startsWith('!')) {
this[key] = row[key];
}
}
if ('isDeleted' in this) {
this.isDeleted = !!this.isDeleted;
}
}
beforeSaving() {
this.generateIdIfNecessary();
const origHash = this.hash;
this.hash = this.generateHash();
if (this.forcedChange) {
this.isChanged = true;
delete this.forcedChange;
}
else {
this.isChanged = origHash !== this.hash;
}
}
generateIdIfNecessary() {
if (!this[this.constructor.primaryKeyName]) {
this[this.constructor.primaryKeyName] = utils.newEntityId();
}
}
generateHash() {
let contentToHash = "";
for (const propertyName of this.constructor.hashedProperties) {
contentToHash += "|" + this[propertyName];
}
return utils.hash(contentToHash).substr(0, 10);
}
async save() {
await require('../services/repository').updateEntity(this);
return this;
}
}
module.exports = Entity;</code></pre>
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