client-ui/source/service-router/service-router-service.js

Testing implementation of nodeJs Backend, angular frontend, and hopefully in a way that this can be deployed to s3/cloudfront

/* global moduleName window $ */
angular.module(moduleName).service('serviceRouter', ['$q', '$http', 'rootConstants', function ($q, $http, rootConstants) {
    var self = this;
    self.numTries = {
    };
    self.maxTries = {
        default: 5
    };

    function getScriptMode(serviceName) {
        var deferred = $q.defer();
        if (rootConstants.production) {
            deferred.resolve("production");
        } else {
            $http.get(rootConstants.server + "getServiceMode/" + serviceName)
                .then(function(output) {
                    deferred.resolve(output.data);
                }, function(error) {
                    deferred.reject(error.data);
                });
        }
        return deferred.promise;
    }

    function getScriptContent(serviceUrl, serviceName) {
        self.numTries[serviceName] = 0;
        if (!self.maxTries[serviceName]) {
            self.maxTries[serviceName] = self.maxTries["default"];
        }
        return attemptLoadFile(serviceUrl, serviceName);
    }

    function attemptLoadFile(filename, serviceName) {
        var deferred = $q.defer();
        if (self.numTries[serviceName]++ < self.maxTries[serviceName]) {
            $.getScript(filename)
                .done(function() {
                    deferred.resolve();
                })
                .error(function() {
                    deferred.resolve(attemptLoadFile(filename, serviceName));
                });
        } else {
            deferred.reject("Could not load file");
        }
        return deferred.promise;
    }

    self.getScriptContent = getScriptContent;
    self.getScriptMode = getScriptMode;
}]);