Merge pull request #46 from feross/persist

add persistent app config

package.json

@@ -12,6 +12,7 @@
   },
   "dependencies": {
     "airplay-js": "guerrerocarlos/node-airplay-js",
+    "application-config": "^0.2.0",
     "chromecasts": "^1.8.0",
     "create-torrent": "^3.22.1",
     "debug": "^2.2.0",

renderer/index.js

@@ -13,6 +13,7 @@ var state = require('./state')
 var throttle = require('throttleit')
 var torrentPoster = require('./lib/torrent-poster')
 var WebTorrent = require('webtorrent')
+var cfg = require('application-config')('WebTorrent')
 
 var createElement = require('virtual-dom/create-element')
 var diff = require('virtual-dom/diff')
@@ -35,10 +36,7 @@ function init () {
   state.client = new WebTorrent()
   state.client.on('warning', onWarning)
   state.client.on('error', onError)
-
-  state.saved.torrents.forEach(function (torrent) {
-    state.client.add(torrent.torrentFile)
-  })
+  state.client.on('torrent', saveTorrents)
 
   // For easy debugging in Developer Tools
   global.state = state
@@ -54,6 +52,8 @@ function init () {
 
   dragDrop('body', onFiles)
 
+  restoreSession()
+
   chromecasts.on('update', function (player) {
     state.devices.chromecast = player
     update()
@@ -251,6 +251,35 @@ function addTorrentEvents (torrent) {
   }
 }
 
+function restoreSession () {
+  cfg.read(function (err, data) {
+    if (err) console.error(err)
+    state.saved = data
+    if (!state.saved.torrents) state.saved.torrents = []
+    state.saved.torrents.forEach(function (torrent) {
+      dispatch('addTorrent', torrent.magnetURI)
+    })
+    update()
+  })
+}
+
+function saveTorrents () {
+  state.saved.torrents = state.client.torrents.map(function (torrent) {
+    return {
+      name: torrent.name,
+      magnetURI: torrent.magnetURI,
+      path: torrent.path
+    }
+  })
+
+  cfg.write({
+    torrents: state.saved.torrents
+  }, function (err) {
+    if (err) console.error(err)
+    update()
+  })
+}
+
 function startServer (torrent, cb) {
   if (state.server) return cb()
 
@@ -286,7 +315,9 @@ function openPlayer (torrent) {
 }
 
 function deleteTorrent (torrent) {
-  torrent.destroy(update)
+  torrent.destroy(function () {
+    saveTorrents() // updates after writing to config
+  })
 }
 
 function openChromecast (torrent) {

renderer/state.js

@@ -27,27 +27,20 @@ module.exports = {
     mouseStationarySince: 0 /* Unix time in ms */
   },
 
-  /* Saved state is read from and written to ~/.webtorrent/state.json
-   * It should be simple and minimal and must be JSONifiable
+  /* Saved state is read from and written to application config.
+   * It should be simple and minimal and must be JSON stringifiable.
+   *
+   * Config path:
+   *
+   * OS XDG               ~/Library/Application Support/WebTorrent/config.json
+   * Linux (XDG)          $XDG_CONFIG_HOME/WebTorrent/config.json
+   * Linux (Legacy)       ~/.config/WebTorrent/config.json
+   * Windows (> Vista)    %LOCALAPPDATA%/WebTorrent/config.json
+   * Windows (XP, 2000)   %USERPROFILE%/Local Settings/Application Data/WebTorrent/config.json
+   *
+   * Also accessible via `require('application-config')('WebTorrent').filePath`
    */
   saved: {
-    torrents: [
-      {
-        name: 'Sintel',
-        torrentFile: 'resources/sintel.torrent'
-      }
-      // {
-      //   name: 'Elephants Dream',
-      //   torrentFile: 'resources/ElephantsDream_archive.torrent'
-      // },
-      // {
-      //   name: 'Big Buck Bunny',
-      //   torrentFile: 'resources/BigBuckBunny_archive.torrent'
-      // },
-      // {
-      //   name: 'Tears of Steel',
-      //   torrentFile: 'resources/TearsOfSteel_archive.torrent'
-      // }
-    ]
+    torrents: []
   }
 }