Files
espocrm/client/src/ajax.js
Yuri Kuznetsov f6382c7774 fix ajax
2023-07-08 10:56:34 +03:00

388 lines
9.7 KiB
JavaScript

/************************************************************************
* This file is part of EspoCRM.
*
* EspoCRM - Open Source CRM application.
* Copyright (C) 2014-2023 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
* Website: https://www.espocrm.com
*
* EspoCRM is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* EspoCRM is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with EspoCRM. If not, see http://www.gnu.org/licenses/.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
************************************************************************/
/** @module ajax */
import $ from 'jquery';
let isConfigured = false;
/** @type {number} */
let defaultTimeout;
/** @type {string} */
let apiUrl;
/** @type {Espo.Ajax~Handler} */
let beforeSend;
/** @type {Espo.Ajax~Handler} */
let onSuccess;
/** @type {Espo.Ajax~Handler} */
let onError;
/** @type {Espo.Ajax~Handler} */
let onTimeout;
/**
* @callback Espo.Ajax~Handler
* @param {XMLHttpRequest} [xhr]
* @param {Object.<string, *>} [options]
*/
/**
* Options.
*
* @typedef {Object} Espo.Ajax~Options
*
* @property {Number} [timeout] A timeout.
* @property {Object.<string, string>} [headers] A request headers.
* @property {'json'|'text'} [dataType] A data type.
* @property {string} [contentType] A content type.
* @property {boolean} [resolveWithXhr] To resolve with `XMLHttpRequest`.
*/
const baseUrl = window.location.origin + window.location.pathname;
// noinspection JSUnusedGlobalSymbols
/**
* Functions for API HTTP requests.
*/
const Ajax = Espo.Ajax = {
/**
* Request.
*
* @param {string} url An URL.
* @param {'GET'|'POST'|'PUT'|'DELETE'|'PATCH'|'OPTIONS'} method An HTTP method.
* @param {*} [data] Data.
* @param {Espo.Ajax~Options & Object.<string, *>} [options] Options.
* @returns {AjaxPromise<any, XMLHttpRequest>}
*/
request: function (url, method, data, options) {
options = options || {};
let timeout = 'timeout' in options ? options.timeout : defaultTimeout;
let contentType = options.contentType || 'application/json';
let body;
if (options.data && !data) {
data = options.data;
}
if (apiUrl) {
url = Espo.Utils.trimSlash(apiUrl) + '/' + url;
}
if (!['GET', 'OPTIONS'].includes(method) && data) {
body = data;
if (contentType === 'application/json' && typeof data !== 'string') {
body = JSON.stringify(data);
}
}
if (method === 'GET' && data) {
let part = $.param(data);
url.includes('?') ?
url += '&' :
url += '?';
url += part;
}
let urlObj = new URL(baseUrl + url);
let xhr = new Xhr();
xhr.timeout = timeout;
xhr.open(method, urlObj);
xhr.setRequestHeader('Content-Type', contentType);
if (options.headers) {
for (let key in options.headers) {
xhr.setRequestHeader(key, options.headers[key]);
}
}
if (beforeSend) {
beforeSend(xhr, options);
}
let promiseWrapper = {};
let promise = new AjaxPromise((resolve, reject) => {
const onErrorGeneral = (isTimeout) => {
if (options.error) {
options.error(xhr, options);
}
reject(xhr, options);
if (isTimeout) {
if (onTimeout) {
onTimeout(xhr, options);
}
return;
}
if (onError) {
onError(xhr, options);
}
};
xhr.ontimeout = () => onErrorGeneral(true);
xhr.onerror = () => onErrorGeneral();
xhr.onload = () => {
if (xhr.status >= 400) {
onErrorGeneral();
return;
}
let response = xhr.responseText;
if ((options.dataType || 'json') === 'json') {
try {
response = JSON.parse(xhr.responseText);
}
catch (e) {
console.error('Could not parse API response.');
onErrorGeneral();
}
}
if (options.success) {
options.success(response);
}
onSuccess(xhr, options);
if (options.resolveWithXhr) {
response = xhr;
}
resolve(response)
}
xhr.send(body);
if (promiseWrapper.promise) {
promiseWrapper.promise.xhr = xhr;
return;
}
promiseWrapper.xhr = xhr;
});
promiseWrapper.promise = promise;
promise.xhr = promise.xhr || promiseWrapper.xhr;
return promise;
},
/**
* POST request.
*
* @param {string} url An URL.
* @param {*} [data] Data.
* @param {Espo.Ajax~Options & Object.<string, *>} [options] Options.
* @returns {Promise<any, XMLHttpRequest>}
*/
postRequest: function (url, data, options) {
if (data) {
data = JSON.stringify(data);
}
return /** @type {Promise<any>} */ Ajax.request(url, 'POST', data, options);
},
/**
* PATCH request.
*
* @param {string} url An URL.
* @param {*} [data] Data.
* @param {Espo.Ajax~Options & Object.<string, *>} [options] Options.
* @returns {Promise<any, XMLHttpRequest>}
*/
patchRequest: function (url, data, options) {
if (data) {
data = JSON.stringify(data);
}
return /** @type {Promise<any>} */ Ajax.request(url, 'PATCH', data, options);
},
/**
* PUT request.
*
* @param {string} url An URL.
* @param {*} [data] Data.
* @param {Espo.Ajax~Options & Object.<string, *>} [options] Options.
* @returns {Promise<any, XMLHttpRequest>}
*/
putRequest: function (url, data, options) {
if (data) {
data = JSON.stringify(data);
}
return /** @type {Promise<any>} */ Ajax.request(url, 'PUT', data, options);
},
/**
* DELETE request.
*
* @param {string} url An URL.
* @param {*} [data] Data.
* @param {Espo.Ajax~Options & Object.<string, *>} [options] Options.
* @returns {Promise<any, XMLHttpRequest>}
*/
deleteRequest: function (url, data, options) {
if (data) {
data = JSON.stringify(data);
}
return /** @type {Promise<any>} */ Ajax.request(url, 'DELETE', data, options);
},
/**
* GET request.
*
* @param {string} url An URL.
* @param {*} [data] Data.
* @param {Espo.Ajax~Options & Object.<string, *>} [options] Options.
* @returns {Promise<any, XMLHttpRequest>}
*/
getRequest: function (url, data, options) {
return /** @type {Promise<any>} */ Ajax.request(url, 'GET', data, options);
},
/**
* @internal
* @param {{
* apiUrl: string,
* timeout: number,
* beforeSend: Espo.Ajax~Handler,
* onSuccess: Espo.Ajax~Handler,
* onError: Espo.Ajax~Handler,
* onTimeout: Espo.Ajax~Handler,
* }} options Options.
*/
configure: function (options) {
if (isConfigured) {
throw new Error("Ajax is already configured.");
}
apiUrl = options.apiUrl;
defaultTimeout = options.timeout;
beforeSend = options.beforeSend;
onSuccess = options.onSuccess;
onError = options.onError;
onTimeout = options.onTimeout;
isConfigured = true;
},
};
/**
* @memberOf module:ajax
*/
class AjaxPromise extends Promise {
/**
* @type {XMLHttpRequest|null}
* @internal
*/
xhr = null
isAborted = false
/**
* @deprecated Use `catch`.
* @todo Remove in v9.0.
*/
fail(...args) {
return this.catch(args[0]);
}
/**
* @deprecated Use `then`
* @todo Remove in v9.0.
*/
done(...args) {
return this.then(args[0]);
}
/**
* Abort the request.
*/
abort() {
this.isAborted = true;
if (this.xhr) {
this.xhr.abort();
}
}
/**
* Get a ready state.
*
* @return {Number}
*/
getReadyState() {
if (!this.xhr) {
return 0;
}
return this.xhr.readyState || 0;
}
/**
* Get a status code
*
* @return {Number}
*/
getStatus() {
if (!this.xhr) {
return 0;
}
return this.xhr.status;
}
}
/**
* @name module:ajax.Xhr
*/
class Xhr extends XMLHttpRequest {
/**
* To be set in an error handler to bypass default handling.
*/
errorIsHandled = false
}
export default Ajax;