mirror of https://github.com/jkjoy/sunpeiwen.git
105 lines
2.0 KiB
JavaScript
105 lines
2.0 KiB
JavaScript
'use strict';
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const cloneDeep = require('rfdc')();
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class Document {
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/**
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* Document constructor.
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*
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* @param {object} data
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*/
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constructor(data) {
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if (data) {
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Object.assign(this, data);
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}
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}
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/**
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* Saves the document.
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*
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* @param {function} [callback]
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* @return {Promise}
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*/
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save(callback) {
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return this._model.save(this, callback);
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}
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/**
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* Updates the document.
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*
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* @param {object} data
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* @param {function} [callback]
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* @return {Promise}
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*/
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update(data, callback) {
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return this._model.updateById(this._id, data, callback);
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}
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/**
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* Replaces the document.
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*
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* @param {object} data
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* @param {function} [callback]
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* @return {Promise}
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*/
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replace(data, callback) {
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return this._model.replaceById(this._id, data, callback);
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}
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/**
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* Removes the document.
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*
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* @param {function} [callback]
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* @return {Promise}
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*/
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remove(callback) {
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return this._model.removeById(this._id, callback);
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}
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/**
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* Returns a plain JavaScript object.
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*
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* @return {object}
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*/
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toObject() {
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const keys = Object.keys(this);
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const obj = {};
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for (let i = 0, len = keys.length; i < len; i++) {
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const key = keys[i];
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// Don't deep clone getters in order to avoid "Maximum call stack size
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// exceeded" error
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obj[key] = isGetter(this, key) ? this[key] : cloneDeep(this[key]);
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}
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return obj;
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}
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/**
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* Returns a string representing the document.
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*
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* @return {String}
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*/
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toString() {
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return JSON.stringify(this);
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}
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/**
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* Populates document references.
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*
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* @param {String|Object} expr
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* @return {Document}
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*/
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populate(expr) {
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const stack = this._schema._parsePopulate(expr);
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return this._model._populate(this, stack);
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}
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}
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function isGetter(obj, key) {
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return Object.getOwnPropertyDescriptor(obj, key).get;
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}
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module.exports = Document;
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