264 lines
7.8 KiB
JavaScript
264 lines
7.8 KiB
JavaScript
/* jslint node: true */
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'use strict';
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// ENiGMA½
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var moduleUtil = require('./module_util.js');
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var Log = require('./logger.js').log;
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var Config = require('./config.js').config;
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var asset = require('./asset.js');
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var MCIViewFactory = require('./mci_view_factory.js').MCIViewFactory;
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var paths = require('path');
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var async = require('async');
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var assert = require('assert');
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var _ = require('lodash');
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exports.loadMenu = loadMenu;
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exports.getFormConfigByIDAndMap = getFormConfigByIDAndMap;
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exports.handleAction = handleAction;
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exports.handleNext = handleNext;
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function getMenuConfig(client, name, cb) {
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var menuConfig;
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async.waterfall(
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[
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function locateMenuConfig(callback) {
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if(_.has(client.currentTheme, [ 'menus', name ])) {
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menuConfig = client.currentTheme.menus[name];
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callback(null);
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} else {
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callback(new Error('No menu entry for \'' + name + '\''));
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}
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},
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function locatePromptConfig(callback) {
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if(_.isString(menuConfig.prompt)) {
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if(_.has(client.currentTheme, [ 'prompts', menuConfig.prompt ])) {
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menuConfig.promptConfig = client.currentTheme.prompts[menuConfig.prompt];
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callback(null);
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} else {
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callback(new Error('No prompt entry for \'' + menuConfig.prompt + '\''));
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}
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} else {
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callback(null);
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}
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}
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],
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function complete(err) {
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cb(err, menuConfig);
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}
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);
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}
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function loadMenu(options, cb) {
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assert(_.isObject(options));
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assert(_.isString(options.name));
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assert(_.isObject(options.client));
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async.waterfall(
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[
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function getMenuConfiguration(callback) {
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getMenuConfig(options.client, options.name, (err, menuConfig) => {
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return callback(err, menuConfig);
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});
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},
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function loadMenuModule(menuConfig, callback) {
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menuConfig.options = menuConfig.options || {};
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menuConfig.options.menuFlags = menuConfig.options.menuFlags || [];
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if(!Array.isArray(menuConfig.options.menuFlags)) {
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menuConfig.options.menuFlags = [ menuConfig.options.menuFlags ];
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}
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const modAsset = asset.getModuleAsset(menuConfig.module);
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const modSupplied = null !== modAsset;
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const modLoadOpts = {
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name : modSupplied ? modAsset.asset : 'standard_menu',
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path : (!modSupplied || 'systemModule' === modAsset.type) ? __dirname : Config.paths.mods,
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category : (!modSupplied || 'systemModule' === modAsset.type) ? null : 'mods',
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};
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moduleUtil.loadModuleEx(modLoadOpts, (err, mod) => {
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const modData = {
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name : modLoadOpts.name,
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config : menuConfig,
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mod : mod,
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};
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return callback(err, modData);
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});
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},
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function createModuleInstance(modData, callback) {
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Log.debug(
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{ moduleName : modData.name, extraArgs : options.extraArgs, config : modData.config, info : modData.mod.modInfo },
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'Creating menu module instance');
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try {
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const moduleInstance = new modData.mod.getModule({
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menuName : options.name,
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menuConfig : modData.config,
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extraArgs : options.extraArgs,
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client : options.client,
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lastMenuResult : options.lastMenuResult,
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});
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return callback(null, moduleInstance);
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} catch(e) {
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return callback(e);
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}
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}
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],
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(err, modInst) => {
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return cb(err, modInst);
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}
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);
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}
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function getFormConfigByIDAndMap(menuConfig, formId, mciMap, cb) {
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assert(_.isObject(menuConfig));
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if(!_.isObject(menuConfig.form)) {
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cb(new Error('Invalid or missing \'form\' member for menu'));
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return;
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}
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if(!_.isObject(menuConfig.form[formId])) {
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cb(new Error('No form found for formId ' + formId));
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return;
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}
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var formForId = menuConfig.form[formId];
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var mciReqKey = _.filter(_.pluck(_.sortBy(mciMap, 'code'), 'code'), function(mci) {
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return MCIViewFactory.UserViewCodes.indexOf(mci) > -1;
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}).join('');
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Log.trace( { mciKey : mciReqKey }, 'Looking for MCI configuration key');
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//
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// Exact, explicit match?
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//
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if(_.isObject(formForId[mciReqKey])) {
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Log.trace( { mciKey : mciReqKey }, 'Using exact configuration key match');
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cb(null, formForId[mciReqKey]);
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return;
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}
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//
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// Generic match
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//
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if(_.has(formForId, 'mci') || _.has(formForId, 'submit')) {
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Log.trace('Using generic configuration');
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return cb(null, formForId);
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}
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cb(new Error('No matching form configuration found for key \'' + mciReqKey + '\''));
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}
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// :TODO: Most of this should be moved elsewhere .... DRY...
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function callModuleMenuMethod(client, asset, path, formData, extraArgs, cb) {
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if('' === paths.extname(path)) {
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path += '.js';
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}
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try {
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client.log.trace(
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{ path : path, methodName : asset.asset, formData : formData, extraArgs : extraArgs },
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'Calling menu method');
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const methodMod = require(path);
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return methodMod[asset.asset](client.currentMenuModule, formData || { }, extraArgs, cb);
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} catch(e) {
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client.log.error( { error : e.toString(), methodName : asset.asset }, 'Failed to execute asset method');
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return cb(e);
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}
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}
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function handleAction(client, formData, conf, cb) {
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assert(_.isObject(conf));
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assert(_.isString(conf.action));
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const actionAsset = asset.parseAsset(conf.action);
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assert(_.isObject(actionAsset));
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switch(actionAsset.type) {
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case 'method' :
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case 'systemMethod' :
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if(_.isString(actionAsset.location)) {
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return callModuleMenuMethod(
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client,
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actionAsset,
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paths.join(Config.paths.mods, actionAsset.location),
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formData,
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conf.extraArgs,
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cb);
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} else if('systemMethod' === actionAsset.type) {
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// :TODO: Need to pass optional args here -- conf.extraArgs and args between e.g. ()
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// :TODO: Probably better as system_method.js
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return callModuleMenuMethod(
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client,
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actionAsset,
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paths.join(__dirname, 'system_menu_method.js'),
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formData,
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conf.extraArgs,
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cb);
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} else {
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// local to current module
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const currentModule = client.currentMenuModule;
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if(_.isFunction(currentModule.menuMethods[actionAsset.asset])) {
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return currentModule.menuMethods[actionAsset.asset](formData, conf.extraArgs, cb);
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}
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const err = new Error('Method does not exist');
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client.log.warn( { method : actionAsset.asset }, err.message);
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return cb(err);
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}
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case 'menu' :
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return client.currentMenuModule.gotoMenu(actionAsset.asset, { formData : formData, extraArgs : conf.extraArgs }, cb );
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}
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}
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function handleNext(client, nextSpec, conf, cb) {
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assert(_.isString(nextSpec) || _.isArray(nextSpec));
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if(_.isArray(nextSpec)) {
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nextSpec = client.acs.getConditionalValue(nextSpec, 'next');
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}
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const nextAsset = asset.getAssetWithShorthand(nextSpec, 'menu');
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// :TODO: getAssetWithShorthand() can return undefined - handle it!
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conf = conf || {};
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const extraArgs = conf.extraArgs || {};
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// :TODO: DRY this with handleAction()
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switch(nextAsset.type) {
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case 'method' :
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case 'systemMethod' :
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if(_.isString(nextAsset.location)) {
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return callModuleMenuMethod(client, nextAsset, paths.join(Config.paths.mods, nextAsset.location), {}, extraArgs, cb);
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} else if('systemMethod' === nextAsset.type) {
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// :TODO: see other notes about system_menu_method.js here
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return callModuleMenuMethod(client, nextAsset, paths.join(__dirname, 'system_menu_method.js'), {}, extraArgs, cb);
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} else {
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// local to current module
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const currentModule = client.currentMenuModule;
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if(_.isFunction(currentModule.menuMethods[nextAsset.asset])) {
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const formData = {}; // we don't have any
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return currentModule.menuMethods[nextAsset.asset]( formData, extraArgs, cb );
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}
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const err = new Error('Method does not exist');
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client.log.warn( { method : nextAsset.asset }, err.message);
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return cb(err);
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}
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case 'menu' :
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return client.currentMenuModule.gotoMenu(nextAsset.asset, { extraArgs : extraArgs }, cb );
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}
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const err = new Error('Invalid asset type for "next"');
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client.log.error( { nextSpec : nextSpec }, err.message);
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return cb(err);
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}
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