Files
webtorrent-desktop/renderer/controllers/torrent-list-controller.js
2016-07-17 15:51:50 -07:00

283 lines
8.9 KiB
JavaScript

const fs = require('fs')
const path = require('path')
const electron = require('electron')
const {dispatch} = require('../lib/dispatcher')
const State = require('../lib/state')
const sound = require('../lib/sound')
const TorrentSummary = require('../lib/torrent-summary')
const ipcRenderer = electron.ipcRenderer
const instantIoRegex = /^(https:\/\/)?instant\.io\/#/
// Controls the torrent list: creating, adding, deleting, & manipulating torrents
module.exports = class TorrentListController {
constructor (state) {
this.state = state
}
// Adds a torrent to the list, starts downloading/seeding. TorrentID can be a
// magnet URI, infohash, or torrent file: https://github.com/feross/webtorrent#clientaddtorrentid-opts-function-ontorrent-torrent-
addTorrent (torrentId) {
if (torrentId.path) {
// Use path string instead of W3C File object
torrentId = torrentId.path
}
// Allow a instant.io link to be pasted
// TODO: remove this once support is added to webtorrent core
if (typeof torrentId === 'string' && instantIoRegex.test(torrentId)) {
torrentId = torrentId.slice(torrentId.indexOf('#') + 1)
}
var torrentKey = this.state.nextTorrentKey++
var path = this.state.saved.prefs.downloadPath
ipcRenderer.send('wt-start-torrenting', torrentKey, torrentId, path)
dispatch('backToList')
}
// Shows the Create Torrent page with options to seed a given file or folder
showCreateTorrent (files) {
// Files will either be an array of file objects, which we can send directly
// to the create-torrent screen
if (files.length === 0 || typeof files[0] !== 'string') {
this.state.location.go({
url: 'create-torrent',
files: files
})
return
}
// ... or it will be an array of mixed file and folder paths. We have to walk
// through all the folders and find the files
findFilesRecursive(files, (allFiles) => this.showCreateTorrent(allFiles))
}
// Switches between the advanced and simple Create Torrent UI
toggleCreateTorrentAdvanced () {
var info = this.state.location.current()
if (info.url !== 'create-torrent') return
info.showAdvanced = !info.showAdvanced
}
// Creates a new torrent and start seeeding
createTorrent (options) {
var state = this.state
var torrentKey = state.nextTorrentKey++
ipcRenderer.send('wt-create-torrent', torrentKey, options)
state.location.backToFirst(function () {
state.location.clearForward('create-torrent')
})
}
// Starts downloading and/or seeding a given torrentSummary.
startTorrentingSummary (torrentSummary) {
var s = torrentSummary
// Backward compatibility for config files save before we had torrentKey
if (!s.torrentKey) s.torrentKey = this.state.nextTorrentKey++
// Use Downloads folder by default
if (!s.path) s.path = this.state.saved.prefs.downloadPath
ipcRenderer.send('wt-start-torrenting',
s.torrentKey,
TorrentSummary.getTorrentID(s),
s.path,
s.fileModtimes,
s.selections)
}
// TODO: use torrentKey, not infoHash
toggleTorrent (infoHash) {
var torrentSummary = TorrentSummary.getByKey(this.state, infoHash)
if (torrentSummary.status === 'paused') {
torrentSummary.status = 'new'
this.startTorrentingSummary(torrentSummary)
sound.play('ENABLE')
} else {
torrentSummary.status = 'paused'
ipcRenderer.send('wt-stop-torrenting', torrentSummary.infoHash)
sound.play('DISABLE')
}
}
toggleTorrentFile (infoHash, index) {
var torrentSummary = TorrentSummary.getByKey(this.state, infoHash)
torrentSummary.selections[index] = !torrentSummary.selections[index]
// Let the WebTorrent process know to start or stop fetching that file
ipcRenderer.send('wt-select-files', infoHash, torrentSummary.selections)
}
confirmDeleteTorrent (infoHash, deleteData) {
this.state.modal = {
id: 'remove-torrent-modal',
infoHash,
deleteData
}
}
// TODO: use torrentKey, not infoHash
deleteTorrent (infoHash, deleteData) {
ipcRenderer.send('wt-stop-torrenting', infoHash)
var index = this.state.saved.torrents.findIndex((x) => x.infoHash === infoHash)
if (index > -1) {
var summary = this.state.saved.torrents[index]
// remove torrent and poster file
deleteFile(TorrentSummary.getTorrentPath(summary))
deleteFile(TorrentSummary.getPosterPath(summary)) // TODO: will the css path hack affect windows?
// optionally delete the torrent data
if (deleteData) moveItemToTrash(summary)
// remove torrent from saved list
this.state.saved.torrents.splice(index, 1)
State.saveThrottled(this.state)
}
this.state.location.clearForward('player') // prevent user from going forward to a deleted torrent
sound.play('DELETE')
}
toggleSelectTorrent (infoHash) {
if (this.state.selectedInfoHash === infoHash) {
this.state.selectedInfoHash = null
} else {
this.state.selectedInfoHash = infoHash
}
}
openTorrentContextMenu (infoHash) {
var torrentSummary = TorrentSummary.getByKey(this.state, infoHash)
var menu = new electron.remote.Menu()
menu.append(new electron.remote.MenuItem({
label: 'Remove From List',
click: () => dispatch('confirmDeleteTorrent', torrentSummary.infoHash, false)
}))
menu.append(new electron.remote.MenuItem({
label: 'Remove Data File',
click: () => dispatch('confirmDeleteTorrent', torrentSummary.infoHash, true)
}))
menu.append(new electron.remote.MenuItem({
type: 'separator'
}))
if (torrentSummary.files) {
menu.append(new electron.remote.MenuItem({
label: process.platform === 'darwin' ? 'Show in Finder' : 'Show in Folder',
click: () => showItemInFolder(torrentSummary)
}))
menu.append(new electron.remote.MenuItem({
type: 'separator'
}))
}
menu.append(new electron.remote.MenuItem({
label: 'Copy Magnet Link to Clipboard',
click: () => electron.clipboard.writeText(torrentSummary.magnetURI)
}))
menu.append(new electron.remote.MenuItem({
label: 'Copy Instant.io Link to Clipboard',
click: () => electron.clipboard.writeText(`https://instant.io/#${torrentSummary.infoHash}`)
}))
menu.append(new electron.remote.MenuItem({
label: 'Save Torrent File As...',
click: () => saveTorrentFileAs(torrentSummary)
}))
menu.popup(electron.remote.getCurrentWindow())
}
}
// Recursively finds {name, path, size} for all files in a folder
// Calls `cb` on success, calls `onError` on failure
function findFilesRecursive (paths, cb) {
if (paths.length > 1) {
var numComplete = 0
var ret = []
paths.forEach(function (path) {
findFilesRecursive([path], function (fileObjs) {
ret = ret.concat(fileObjs)
if (++numComplete === paths.length) {
ret.sort((a, b) => a.path < b.path ? -1 : a.path > b.path)
cb(ret)
}
})
})
return
}
var fileOrFolder = paths[0]
fs.stat(fileOrFolder, function (err, stat) {
if (err) return dispatch('error', err)
// Files: return name, path, and size
if (!stat.isDirectory()) {
var filePath = fileOrFolder
return cb([{
name: path.basename(filePath),
path: filePath,
size: stat.size
}])
}
// Folders: recurse, make a list of all the files
var folderPath = fileOrFolder
fs.readdir(folderPath, function (err, fileNames) {
if (err) return dispatch('error', err)
var paths = fileNames.map((fileName) => path.join(folderPath, fileName))
findFilesRecursive(paths, cb)
})
})
}
function deleteFile (path) {
if (!path) return
fs.unlink(path, function (err) {
if (err) dispatch('error', err)
})
}
// Delete all files in a torrent
function moveItemToTrash (torrentSummary) {
var filePath = TorrentSummary.getFileOrFolder(torrentSummary)
ipcRenderer.send('moveItemToTrash', filePath)
}
function showItemInFolder (torrentSummary) {
ipcRenderer.send('showItemInFolder', TorrentSummary.getFileOrFolder(torrentSummary))
}
function saveTorrentFileAs (torrentSummary) {
var downloadPath = this.state.saved.prefs.downloadPath
var newFileName = path.parse(torrentSummary.name).name + '.torrent'
var opts = {
title: 'Save Torrent File',
defaultPath: path.join(downloadPath, newFileName),
filters: [
{ name: 'Torrent Files', extensions: ['torrent'] },
{ name: 'All Files', extensions: ['*'] }
]
}
electron.remote.dialog.showSaveDialog(electron.remote.getCurrentWindow(), opts, function (savePath) {
var torrentPath = TorrentSummary.getTorrentPath(torrentSummary)
fs.readFile(torrentPath, function (err, torrentFile) {
if (err) return dispatch('error', err)
fs.writeFile(savePath, torrentFile, function (err) {
if (err) return dispatch('error', err)
})
})
})
}