176 lines
5.4 KiB
JavaScript
176 lines
5.4 KiB
JavaScript
/* ----------------------------------------------------------------------------
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* Easy!Appointments - Online Appointment Scheduler
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*
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* @package EasyAppointments
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* @author A.Tselegidis <alextselegidis@gmail.com>
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* @copyright Copyright (c) Alex Tselegidis
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* @license https://opensource.org/licenses/GPL-3.0 - GPLv3
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* @link https://easyappointments.org
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* @since v1.5.0
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* ---------------------------------------------------------------------------- */
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/**
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* HTTP requests utility.
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*
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* This module implements the functionality of HTTP requests.
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*/
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window.App.Utils.Http = (function () {
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/**
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* Perform an HTTP request.
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*
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* @param {String} method
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* @param {String} url
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* @param {Object} data
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*
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* @return {Promise}
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*/
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function request(method, url, data) {
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return new Promise((resolve, reject) => {
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fetch(App.Utils.Url.siteUrl(url), {
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method,
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mode: 'cors',
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credentials: 'same-origin',
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headers: {
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'Content-Type': 'application/json',
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},
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redirect: 'follow',
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referrer: 'no-referrer',
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body: data ? JSON.stringify(data) : undefined,
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})
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.then((response) => {
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if (!response.ok) {
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response
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.text()
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.then((message) => {
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const error = new Error(message);
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error.status = response.status;
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throw error;
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})
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.catch((error) => {
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console.error(error);
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reject(error);
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});
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}
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return response;
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})
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.then((response) => {
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return response.json();
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})
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.then((json) => {
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resolve(json);
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})
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.catch((error) => {
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console.error(error);
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reject(error);
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});
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});
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}
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/**
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* Upload the provided file.
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*
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* @param {String} method
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* @param {String} url
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* @param {File} file
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*
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* @return {Promise}
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*/
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function upload(method, url, file) {
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const formData = new FormData();
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formData.append('file', file, file.name);
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return new Promise((resolve, reject) => {
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fetch(App.Utils.Url.siteUrl(url), {
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method,
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redirect: 'follow',
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referrer: 'no-referrer',
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body: formData,
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})
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.then((response) => {
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if (!response.ok) {
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response
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.text()
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.then((message) => {
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const error = new Error(message);
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error.status = response.status;
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throw error;
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})
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.catch((error) => {
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console.error(error);
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reject(error);
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});
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}
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return response;
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})
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.then((response) => {
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return response.json();
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})
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.then((json) => {
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resolve(json);
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})
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.catch((error) => {
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console.error(error);
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reject(error);
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});
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});
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}
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/**
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* Download the requested URL.
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*
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* @param {String} method
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* @param {String} url
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*
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* @return {Promise}
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*/
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function download(method, url) {
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return new Promise((resolve, reject) => {
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fetch(App.Utils.Url.siteUrl(url), {
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method,
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mode: 'cors',
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credentials: 'same-origin',
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headers: {
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'Content-Type': 'application/json',
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},
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redirect: 'follow',
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referrer: 'no-referrer',
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})
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.then((response) => {
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if (!response.ok) {
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response
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.text()
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.then((message) => {
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const error = new Error(message);
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error.status = response.status;
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throw error;
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})
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.catch((error) => {
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console.error(error);
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reject(error);
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});
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}
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return response;
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})
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.then((response) => {
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return response.arrayBuffer();
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})
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.then((json) => {
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resolve(json);
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})
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.catch((error) => {
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console.error(error);
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reject(error);
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});
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});
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}
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return {
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request,
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upload,
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download,
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};
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})();
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