Add tracking of time position in track

mopidy/backends/base.py

@@ -1,3 +1,5 @@
+import time
+
 class BaseBackend(object):
     PLAY = u'play'
     PAUSE = u'pause'
@@ -5,6 +7,8 @@ class BaseBackend(object):
 
     def __init__(self):
         self.state = self.STOP
+        self._play_time_accumulated = 0
+        self._play_start = False
 
     def current_song(self):
         return None
@@ -38,6 +42,19 @@ class BaseBackend(object):
         return self.state
 
     def status_time(self):
+        return u'%s:%s' % (
+            self.status_time_position(), self.status_time_total())
+
+    def status_time_position(self):
+        if self.state == self.PAUSE:
+            return self._play_time_accumulated
+        elif self.state == self.PLAY and self._play_start:
+            return self._play_time_accumulated + (
+                int(time.time()) - self._play_start)
+        else:
+            return 0
+
+    def status_time_total(self):
         return 0
 
     def status_xfade(self):
@@ -49,21 +66,29 @@ class BaseBackend(object):
 
     def pause(self):
         self.state = self.PAUSE
+        self._play_time_accumulated += int(time.time()) - self._play_start
 
     def play(self):
         self.state = self.PLAY
+        self._play_time_accumulated = 0
+        self._play_start = int(time.time())
 
     def play_pos(self, songpos):
         self.state = self.PLAY
+        self._play_time_accumulated = 0
+        self._play_start = int(time.time())
 
     def play_id(self, songid):
         self.state = self.PLAY
+        self._play_time_accumulated = 0
+        self._play_start = int(time.time())
 
     def previous(self):
         pass
 
     def resume(self):
         self.state = self.PLAY
+        self._play_start = int(time.time())
 
     def stop(self):
         self.state = self.STOP

mopidy/backends/spotify.py

@@ -63,6 +63,10 @@ class SpotifyBackend(BaseBackend):
             self._x_current_playlist_version = 0
         return self._x_current_playlist_version
 
+    @property
+    def _current_track(self):
+        return self._current_playlist[self._current_song_id]
+
     @property
     def _current_song_id(self):
         if not hasattr(self, '_x_current_song_id'):
@@ -106,42 +110,47 @@ class SpotifyBackend(BaseBackend):
         artist_names = [decode(artist.name) for artist in artists]
         return u', '.join(artist_names)
 
-
 # Control methods
+
     def next(self):
         self._current_song_id += 1
-        self.play_id(self._current_song_id)
+        self.play()
 
     def pause(self):
-        self.state = self.PAUSE
+        super(SpotifyBackend, self).pause()
         self.spotify.pause()
 
     def play(self):
-        self.play_id(self._current_song_id)
+        if self.state == self.PAUSE:
+            return self.resume()
+        super(SpotifyBackend, self).play()
+        self.spotify.play(self._current_track)
 
     def play_pos(self, songpos):
-        self.play_id(songpos)
+        super(SpotifyBackend, self).play_pos(songpos)
+        self._current_song_id = songpos
+        track = self._current_playlist[songid]
+        self.spotify.play(track)
 
     def play_id(self, songid):
-        self.state = self.PLAY
+        super(SpotifyBackend, self).play_id(songid)
         self._current_song_id = songid
         track = self._current_playlist[songid]
         self.spotify.play(track)
 
     def previous(self):
         self._current_song_id -= 1
-        self.play_id(self._current_song_id)
+        self.play()
 
     def resume(self):
-        self.state = self.PLAY
+        super(SpotifyBackend, self).resume()
         self.spotify.resume()
 
     def stop(self):
-        if self.state is not self.STOP:
+        super(SpotifyBackend, self).stop()
-            self.state = self.STOP
+        self.spotify.stop()
-            self.spotify.stop()
 
-    ### MPD handlers
+# Unsorted
 
     def current_song(self):
         try:
@@ -184,6 +193,7 @@ class SpotifyBackend(BaseBackend):
             return self._format_playlist(self._current_playlist)
 
 # Status methods
+
     def status_playlist(self):
         return self._current_playlist_version
 
@@ -193,16 +203,14 @@ class SpotifyBackend(BaseBackend):
     def status_song_id(self):
         return self._current_song_id
 
-    def status_time(self):
+    def status_time_total(self):
-        if self.state is self.PLAY:
+        return self._current_track.length // 1000
-            return u'0:00'
-        else:
-            return None
 
     def url_handlers(self):
         return [u'spotify:', u'http://open.spotify.com/']
 
 # Music database methods
+
     def search(self, type, what):
         result = self.spotify.search(encode(u'%s:%s' % (type, what)))
         return self._format_playlist(result.playlist.tracks)

mopidy/handler.py

@@ -379,7 +379,7 @@ class MpdHandler(object):
 
     @register(r'^status$')
     def _status(self):
-        return [
+        result = [
             ('volume', self.backend.status_volume()),
             ('repeat', self.backend.status_repeat()),
             ('random', self.backend.status_random()),
@@ -391,8 +391,10 @@ class MpdHandler(object):
             ('state', self.backend.status_state()),
             ('song', self.backend.status_song_id()),
             ('songid', self.backend.status_song_id()),
-            ('time', self.backend.status_time()),
         ]
+        if self.backend.state in (self.backend.PLAY, self.backend.PAUSE):
+            result.append(('time', self.backend.status_time()))
+        return result
 
     @register(r'^swap (?P<songpos1>\d+) (?P<songpos2>\d+)$')
     def _swap(self, songpos1, songpos2):

tests/handlertest.py

@@ -73,7 +73,8 @@ class CommandListsTest(unittest.TestCase):
 
 class StatusHandlerTest(unittest.TestCase):
     def setUp(self):
-        self.h = handler.MpdHandler(backend=DummyBackend())
+        self.b = DummyBackend()
+        self.h = handler.MpdHandler(backend=self.b)
 
     def test_clearerror(self):
         result = self.h.handle_request(u'clearerror')
@@ -137,6 +138,15 @@ class StatusHandlerTest(unittest.TestCase):
         self.assert_('state' in result)
         self.assert_(result['state'] in ('play', 'stop', 'pause'))
 
+    def test_status_method_when_playing(self):
+        self.b.state = self.b.PLAY
+        result = dict(self.h._status())
+        self.assert_('time' in result)
+        (position, total) = result['time'].split(':')
+        position = int(position)
+        total = int(total)
+        self.assert_(position <= total)
+
 
 class PlaybackOptionsHandlerTest(unittest.TestCase):
     def setUp(self):