enigma-bbs/core/file_base_download_manager.js

243 lines
8.3 KiB
JavaScript

/* jslint node: true */
'use strict';
// ENiGMA½
const MenuModule = require('./menu_module.js').MenuModule;
const ViewController = require('./view_controller.js').ViewController;
const DownloadQueue = require('./download_queue.js');
const theme = require('./theme.js');
const ansi = require('./ansi_term.js');
const Errors = require('./enig_error.js').Errors;
const stringFormat = require('./string_format.js');
const FileAreaWeb = require('./file_area_web.js');
// deps
const async = require('async');
const _ = require('lodash');
const moment = require('moment');
exports.moduleInfo = {
name : 'File Base Download Queue Manager',
desc : 'Module for interacting with download queue/batch',
author : 'NuSkooler',
};
const FormIds = {
queueManager : 0,
};
const MciViewIds = {
queueManager : {
queue : 1,
navMenu : 2,
customRangeStart : 10,
},
};
exports.getModule = class FileBaseDownloadQueueManager extends MenuModule {
constructor(options) {
super(options);
this.dlQueue = new DownloadQueue(this.client);
if(_.has(options, 'lastMenuResult.sentFileIds')) {
this.sentFileIds = options.lastMenuResult.sentFileIds;
}
this.fallbackOnly = options.lastMenuResult ? true : false;
this.menuMethods = {
downloadAll : (formData, extraArgs, cb) => {
const modOpts = {
extraArgs : {
sendQueue : this.dlQueue.items,
direction : 'send',
}
};
return this.gotoMenu(this.menuConfig.config.fileTransferProtocolSelection || 'fileTransferProtocolSelection', modOpts, cb);
},
removeItem : (formData, extraArgs, cb) => {
const selectedItem = this.dlQueue.items[formData.value.queueItem];
if(!selectedItem) {
return cb(null);
}
this.dlQueue.removeItems(selectedItem.fileId);
// :TODO: broken: does not redraw menu properly - needs fixed!
return this.removeItemsFromDownloadQueueView(formData.value.queueItem, cb);
},
clearQueue : (formData, extraArgs, cb) => {
this.dlQueue.clear();
// :TODO: broken: does not redraw menu properly - needs fixed!
return this.removeItemsFromDownloadQueueView('all', cb);
}
};
}
initSequence() {
if(0 === this.dlQueue.items.length) {
if(this.sendFileIds) {
// we've finished everything up - just fall back
return this.prevMenu();
}
// Simply an empty D/L queue: Present a specialized "empty queue" page
return this.gotoMenu(this.menuConfig.config.emptyQueueMenu || 'fileBaseDownloadManagerEmptyQueue');
}
const self = this;
async.series(
[
function beforeArt(callback) {
return self.beforeArt(callback);
},
function display(callback) {
return self.displayQueueManagerPage(false, callback);
}
],
() => {
return self.finishedLoading();
}
);
}
removeItemsFromDownloadQueueView(itemIndex, cb) {
const queueView = this.viewControllers.queueManager.getView(MciViewIds.queueManager.queue);
if(!queueView) {
return cb(Errors.DoesNotExist('Queue view does not exist'));
}
if('all' === itemIndex) {
queueView.setItems([]);
queueView.setFocusItems([]);
} else {
queueView.removeItem(itemIndex);
}
queueView.redraw();
return cb(null);
}
displayWebDownloadLinkForFileEntry(fileEntry) {
FileAreaWeb.getExistingTempDownloadServeItem(this.client, fileEntry, (err, serveItem) => {
if(serveItem && serveItem.url) {
const webDlExpireTimeFormat = this.menuConfig.config.webDlExpireTimeFormat || 'YYYY-MMM-DD @ h:mm';
fileEntry.webDlLink = ansi.vtxHyperlink(this.client, serveItem.url) + serveItem.url;
fileEntry.webDlExpire = moment(serveItem.expireTimestamp).format(webDlExpireTimeFormat);
} else {
fileEntry.webDlLink = '';
fileEntry.webDlExpire = '';
}
this.updateCustomViewTextsWithFilter(
'queueManager',
MciViewIds.queueManager.customRangeStart, fileEntry,
{ filter : [ '{webDlLink}', '{webDlExpire}' ] }
);
});
}
updateDownloadQueueView(cb) {
const queueView = this.viewControllers.queueManager.getView(MciViewIds.queueManager.queue);
if(!queueView) {
return cb(Errors.DoesNotExist('Queue view does not exist'));
}
const queueListFormat = this.menuConfig.config.queueListFormat || '{fileName} {byteSize}';
const focusQueueListFormat = this.menuConfig.config.focusQueueListFormat || queueListFormat;
queueView.setItems(this.dlQueue.items.map( queueItem => stringFormat(queueListFormat, queueItem) ) );
queueView.setFocusItems(this.dlQueue.items.map( queueItem => stringFormat(focusQueueListFormat, queueItem) ) );
queueView.on('index update', idx => {
const fileEntry = this.dlQueue.items[idx];
this.displayWebDownloadLinkForFileEntry(fileEntry);
});
queueView.redraw();
this.displayWebDownloadLinkForFileEntry(this.dlQueue.items[0]);
return cb(null);
}
displayQueueManagerPage(clearScreen, cb) {
const self = this;
async.series(
[
function prepArtAndViewController(callback) {
return self.displayArtAndPrepViewController('queueManager', { clearScreen : clearScreen }, callback);
},
function populateViews(callback) {
return self.updateDownloadQueueView(callback);
}
],
err => {
if(cb) {
return cb(err);
}
}
);
}
displayArtAndPrepViewController(name, options, cb) {
const self = this;
const config = this.menuConfig.config;
async.waterfall(
[
function readyAndDisplayArt(callback) {
if(options.clearScreen) {
self.client.term.rawWrite(ansi.resetScreen());
}
theme.displayThemedAsset(
config.art[name],
self.client,
{ font : self.menuConfig.font, trailingLF : false },
(err, artData) => {
return callback(err, artData);
}
);
},
function prepeareViewController(artData, callback) {
if(_.isUndefined(self.viewControllers[name])) {
const vcOpts = {
client : self.client,
formId : FormIds[name],
};
if(!_.isUndefined(options.noInput)) {
vcOpts.noInput = options.noInput;
}
const vc = self.addViewController(name, new ViewController(vcOpts));
const loadOpts = {
callingMenu : self,
mciMap : artData.mciMap,
formId : FormIds[name],
};
return vc.loadFromMenuConfig(loadOpts, callback);
}
self.viewControllers[name].setFocus(true);
return callback(null);
},
],
err => {
return cb(err);
}
);
}
};