add `torrent.magnetURI` getter function

Depends on https://github.com/feross/parse-torrent/pull/8

1 files changed, 15 insertions, 9 deletions

diff --git a/lib/torrent.js b/lib/torrent.js
index 131c092..db8c33f 100644
--- a/lib/torrent.js
+++ b/lib/torrent.js
@@ -95,9 +95,9 @@ function Torrent (torrentId, opts) {
   } else throw new Error('invalid torrent id')
 
   function onTorrentId (torrentId) {
-    parsedTorrent = parseTorrent(torrentId)
-    self.infoHash = parsedTorrent.infoHash
-    if (parsedTorrent.name) self.name = parsedTorrent.name // preliminary name
+    self.parsedTorrent = parseTorrent(torrentId)
+    self.infoHash = self.parsedTorrent.infoHash
+    if (self.parsedTorrent.name) self.name = self.parsedTorrent.name // preliminary name
 
     // create swarm
     self.swarm = new Swarm(self.infoHash, self.client.peerId, {
@@ -112,10 +112,10 @@ function Torrent (torrentId, opts) {
 
     if (process.browser) {
       // in browser, swarm does not listen
-      self._onSwarmListening(parsedTorrent)
+      self._onSwarmListening()
     } else {
       // listen for peers
-      self.swarm.listen(self.client.torrentPort, self._onSwarmListening.bind(self, parsedTorrent))
+      self.swarm.listen(self.client.torrentPort, self._onSwarmListening.bind(self))
     }
     process.nextTick(function () {
       self.emit('infoHash')
@@ -166,7 +166,13 @@ Object.defineProperty(Torrent.prototype, 'ratio', {
   }
 })
 
-Torrent.prototype._onSwarmListening = function (parsed, port) {
+Object.defineProperty(Torrent.prototype, 'magnetURI', {
+  get: function () {
+    return parseTorrent.toMagnetURI(this.parsedTorrent)
+  }
+})
+
+Torrent.prototype._onSwarmListening = function (port) {
   var self = this
   if (self._destroyed) return
 
@@ -174,7 +180,7 @@ Torrent.prototype._onSwarmListening = function (parsed, port) {
 
   // begin discovering peers via the DHT and tracker servers
   self.discovery = new Discovery({
-    announce: parsed.announce,
+    announce: self.parsedTorrent.announce,
     dht: self.client.dht,
     tracker: self.client.tracker,
     peerId: self.client.peerId,
@@ -187,7 +193,7 @@ Torrent.prototype._onSwarmListening = function (parsed, port) {
   reemit(self.discovery, self, ['dhtAnnounce', 'warning', 'error'])
 
   // if full metadata was included in initial torrent id, use it
-  if (parsed.info) self._onMetadata(parsed)
+  if (self.parsedTorrent.info) self._onMetadata(self.parsedTorrent)
 
   self.emit('listening', port)
 }
@@ -202,7 +208,7 @@ Torrent.prototype._onMetadata = function (metadata) {
 
   if (metadata && metadata.infoHash) {
     // `metadata` is a parsed torrent (from parse-torrent module)
-    self.metadata = parseTorrent.toBuffer(metadata)
+    self.metadata = parseTorrent.toTorrentFile(metadata)
     self.parsedTorrent = metadata
   } else {
     self.metadata = metadata