cs-mpx-dataservice/lib/flashPostBridge.js

MPX Dataservices

/**
 * Created by paul.rangel on 6/10/15.
 */

var q = require("q");
var uid =require('muid');
var R = require("ramda");
var GenerateError = require("./GenerateError");

var _config = {
    path : "./swf/FlashPostingBridge.swf",
    name : "FlashPostingBridge"
}, _flash;


var _getTemplate = function() {
    var t = "" +
        "<object id=\"{{ bridgeName }}\" name=\"{{ bridgeName }}\" type=\"application/x-shockwave-flash\" data=\"{{ bridgePath }}\" width=\"1\" height=\"1\">" +
        "<param name=\"movie\" value=\"{{ bridgePath }}\"/>" +
        "<param name=\"allowscriptaccess\" value=\"always\"/>" +
        "</object>";
    return t;
};

var _addFlashObject = function() {
    var d = document.createElement("div");
    d.id = "tpFlashPostingBridge";
    var t = _getTemplate();
    t = t.replace(/{{ bridgePath }}/gi, _config.path);
    t = t.replace(/{{ bridgeName }}/gi, _config.name);
    d.innerHTML = t;
    document.querySelector("body").appendChild(d);
};

var _post = function(url, body, contentType, isPost) {
    var deferred = q.defer();
    var random_name = _config.name+"_"+uid(25);
    window[random_name+"_success"] = function(data) {
        if(data.isException) {
            deferred.reject(GenerateError(data, url));
        } else {
            deferred.resolve(data);
        }
        _cleanWindowFunctions(random_name);
    };

    window[random_name+"_fail"] = function(msg) {

        deferred.reject(msg);
        _cleanWindowFunctions(random_name);
    };
    // NOTE we should convert body object to a string here since AS3 borks it
    if(R.is(Object,body))  {
        body = JSON.stringify(body);
    }
    if(_flash)
        _flash.post(url, body, random_name+"_success", random_name+"_fail", contentType, true);
    else
        deferred.reject("Flash is not initialized");
    return deferred.promise;
};

var _cleanWindowFunctions = function(random_name) {
    delete window[random_name+"_success"];
    delete window[random_name+"_fail"];
};

var _init = function() {
    var traceFunctionName = uid(20)+"_trace";
    _flash.setLogCallback(traceFunctionName);
    window[traceFunctionName] = function(msg) {
        'console' in window && console.log("%c trace: %o","background-color: salmon;",msg);
    };
};

module.exports = {
    init : function(config) {
        var deferred = q.defer();
        _config = R.merge(_config, config);
        _addFlashObject();
        window.tpFlashPostingBridgeReady = function() {
            var flashNameToQuery = _config.name;
            if(_config.name.search(/^\.|#/) == -1)
                flashNameToQuery = "#"+flashNameToQuery
            _flash = document.querySelector(flashNameToQuery);
            _init();
            deferred.resolve();
        };
        return deferred.promise;
    },
    post : function(url, body, contentType) {
        contentType = contentType || "text/json";
        return _post(url, body, contentType, true);
    },
    put : function(url, body, contentType) {
        contentType = contentType || "text/json";
        return _post(url, body, contentType, false);
    },
    log : function(message) {
        if(_flash) {
            _flash.callLog(message);
        }
    }

};