added gridChange variables and TODO comments

.gitignore

@@ -1,3 +1,7 @@
 json/*
+venv/*
 __pycache__/
 *.swp
+*.ipynb
+*.pyc
+test.py

recommendation_engine.py

@@ -46,6 +46,12 @@ class Engine:
                     'screenings': {'locked': True, 'value': 2}
                 },
                 'globalKeywords': {},
+                'gridChange': {
+                    'nextClip': {'locked': False, 'value': 4},
+                    'nextPlaylist': {'locked': False, 'value': 4},
+                    'staySame': {'locked': False, 'value': 8}
+
+                }
             }
         self.update_keywords()
 
@@ -77,9 +83,14 @@ class Engine:
                     clips[inpoint['index']]['out'] = self.pandora.get(video_id, ['duration'])['duration']
         return clips
 
+### TASK 1 ###
+# Change this to (1) check if there's no grid event and if so: initialize, and 
+# (2) if not: add serendipity to the current grid mix using gridChange variables. 
+
     def get_videos(self, user):
         channels = {k: v.get('value', 0) for k, v in self.state['channels'].items()}
         sliders = {k: v.get('value', 0) for k, v in self.state['globalKeywords'].items()}
+        gridChange = {k: v.get('value', 0) for k, v in self.state['gridChange'].items()}
         # For each playlist, compute user keyword score
         user_keywords = user.get('keywords', {})
         score = {}
@@ -131,6 +142,10 @@ class Engine:
             'tags': video['tags'],
         } for video in videos]
 
+
+### TASK 2 ### 
+# Change this to make sure the next playlist is not the current playlist 
+# AND not the playlists displayed in the current grid. Incorporate the change from Task 1.
     def get_next(self, user, position):
         video = self.get_videos(user)[position]
         return video