forked from mirrors/gecko-dev
135 lines
4.1 KiB
JavaScript
135 lines
4.1 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* global loop:true */
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var loop = loop || {};
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loop.StandaloneClient = (function($) {
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"use strict";
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// The expected properties to be returned from the POST /calls request.
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var expectedCallsProperties = [ "sessionId", "sessionToken", "apiKey" ];
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/**
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* Loop server standalone client.
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*
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* @param {Object} settings Settings object.
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*/
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function StandaloneClient(settings) {
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settings = settings || {};
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if (!settings.baseServerUrl) {
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throw new Error("missing required baseServerUrl");
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}
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this.settings = settings;
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}
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StandaloneClient.prototype = {
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/**
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* Validates a data object to confirm it has the specified properties.
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*
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* @param {Object} The data object to verify
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* @param {Array} The list of properties to verify within the object
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* @return This returns either the specific property if only one
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* property is specified, or it returns all properties
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*/
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_validate: function(data, properties) {
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if (typeof data !== "object") {
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throw new Error("Invalid data received from server");
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}
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properties.forEach(function (property) {
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if (!data.hasOwnProperty(property)) {
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throw new Error("Invalid data received from server - missing " +
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property);
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}
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});
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if (properties.length === 1) {
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return data[properties[0]];
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}
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return data;
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},
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/**
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* Generic handler for XHR failures.
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*
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* @param {Function} cb Callback(err)
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* @param jqXHR See jQuery docs
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* @param textStatus See jQuery docs
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* @param errorThrown See jQuery docs
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*/
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_failureHandler: function(cb, jqXHR, textStatus, errorThrown) {
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var jsonErr = jqXHR && jqXHR.responseJSON || {};
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var message = "HTTP " + jqXHR.status + " " + errorThrown;
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// Logging the technical error to the console
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console.error("Server error", message, jsonErr);
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// Create an error with server error `errno` code attached as a property
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var err = new Error(message);
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err.errno = jsonErr.errno;
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cb(err);
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},
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/**
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* Makes a request for url creation date for standalone UI
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*
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* @param {String} loopToken The loopToken representing the call
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* @param {Function} cb Callback(err, callUrlInfo)
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*
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**/
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requestCallUrlInfo: function(loopToken, cb) {
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if (!loopToken) {
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throw new Error("Missing required parameter loopToken");
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}
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if (!cb) {
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throw new Error("Missing required callback function");
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}
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$.get(this.settings.baseServerUrl + "/calls/" + loopToken)
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.done(function(callUrlInfo) {
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cb(null, callUrlInfo);
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}).fail(this._failureHandler.bind(this, cb));
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},
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/**
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* Posts a call request to the server for a call represented by the
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* loopToken. Will return the session data for the call.
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*
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* @param {String} loopToken The loopToken representing the call
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* @param {String} callType The type of media in the call, e.g.
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* "audio" or "audio-video"
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* @param {Function} cb Callback(err, sessionData)
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*/
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requestCallInfo: function(loopToken, callType, cb) {
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if (!loopToken) {
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throw new Error("missing required parameter loopToken");
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}
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var req = $.ajax({
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url: this.settings.baseServerUrl + "/calls/" + loopToken,
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method: "POST",
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contentType: "application/json",
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dataType: "json",
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data: JSON.stringify({callType: callType})
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});
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req.done(function(sessionData) {
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try {
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cb(null, this._validate(sessionData, expectedCallsProperties));
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} catch (err) {
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console.log("Error requesting call info", err);
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cb(err);
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}
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}.bind(this));
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req.fail(this._failureHandler.bind(this, cb));
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},
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};
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return StandaloneClient;
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})(jQuery);
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