FEATURE: Add shuffle functionality

Adds the toggling the shuffle functionality.
Solves #16.

mopidy_pummeluff/actions/__init__.py

@@ -9,12 +9,13 @@ __all__ = (
     'NextTrack',
     'Shutdown',
     'Tracklist',
+    'ToggleShuffle',
     'Volume',
 )
 
 from .playback import PlayPause, Stop, PreviousTrack, NextTrack
 from .shutdown import Shutdown
-from .tracklist import Tracklist
+from .tracklist import Tracklist, ToggleShuffle
 from .volume import Volume
 
 ACTIONS = {}

mopidy_pummeluff/actions/tracklist.py

@@ -4,6 +4,7 @@ Python module for Mopidy Pummeluff tracklist tag.
 
 __all__ = (
     'Tracklist',
+    'ToggleShuffle',
 )
 
 from logging import getLogger
@@ -39,3 +40,23 @@ class Tracklist(Action):
         core.tracklist.clear()
         core.tracklist.add(uris=uris)
         core.playback.play()
+
+
+class ToggleShuffle(Action):
+    '''
+    Toggles random mode
+    '''
+
+    @classmethod
+    def execute(cls, core):
+        '''
+        Toggle random mode.
+
+        :param mopidy.core.Core core: The mopidy core instance
+        '''
+
+        shuffle = core.tracklist.get_random().get()
+        shuffle = not shuffle
+        core.tracklist.set_random(shuffle)
+
+        LOGGER.info('Toggling shuffle mode [%s]', shuffle)