Store user's total songs

Also fixed "lag" to access admin charts page.

spotifyvis/models.py

@@ -45,6 +45,7 @@ class User(models.Model):
 
     user_id = models.CharField(primary_key=True, max_length=MAX_ID) # the user's Spotify ID
     user_secret = models.CharField(max_length=50, default='')
+    total_songs = models.PositiveIntegerField()
 
     def __str__(self):
         return self.user_id

spotifyvis/utils.py

@@ -191,9 +191,10 @@ def get_audio_features(headers, track_objs):
     :returns: None
     """
     track_ids = str.join(",", [track_obj.track_id for track_obj in track_objs])
-    params = {'ids': track_ids}
     features_response = requests.get("https://api.spotify.com/v1/audio-features",
-            headers=headers,params=params).json()['audio_features']
+            headers=headers,
+            params={'ids': track_ids}
+            ).json()['audio_features']
     #  pprint.pprint(features_response)
 
     useless_keys = [ "key", "mode", "type", "liveness", "id", "uri", "track_href", "analysis_url", "time_signature", ]
@@ -248,9 +249,10 @@ def add_artist_genres(headers, artist_objs):
 
     """
     artist_ids = str.join(",", [artist_obj.artist_id for artist_obj in artist_objs])
-    params = {'ids': artist_ids}
     artists_response = requests.get('https://api.spotify.com/v1/artists/',
-            headers=headers, params=params).json()['artists']
+            headers=headers, 
+            params={'ids': artist_ids},
+            ).json()['artists']
     for i in range(len(artist_objs)):
         if len(artists_response[i]['genres']) == 0:
             process_artist_genre("undefined", artist_objs[i])

spotifyvis/views.py

@@ -21,8 +21,8 @@ from .models import User, Track, AudioFeatures, Artist
 #  global vars {{{ # 
 
 TIME_FORMAT = '%Y-%m-%d-%H-%M-%S'
-#  TRACKS_TO_QUERY = 200
+TRACKS_TO_QUERY = 200
-TRACKS_TO_QUERY = 0
+#  TRACKS_TO_QUERY = 0
 
 #  }}} global vars # 
 
@@ -157,13 +157,19 @@ def user_data(request):
 
     #  create user obj {{{ # 
     
+    total_songs = requests.get('https://api.spotify.com/v1/me/tracks', 
+            headers=headers,
+            params={'limit': '1'}).json()['total']
     try:
         user = User.objects.get(user_id=user_data_response['id'])
     except User.DoesNotExist:
         # Python docs recommends 32 bytes of randomness against brute force attacks
-        user = User(user_id=user_data_response['id'], user_secret=secrets.token_urlsafe(32))
+        user = User.objects.create(
+                user_id=user_data_response['id'],
+                user_secret=secrets.token_urlsafe(32),
+                total_songs=total_songs,
+                )
         request.session['user_secret'] = user.user_secret
-        user.save()
     
     #  }}} create user obj # 
 
@@ -189,7 +195,6 @@ def admin_graphs(request):
         'user_id': user_id,
         'user_secret': user_obj.user_secret,
     }
-    update_track_genres(user_obj)
     return render(request, 'spotifyvis/logged_in.html', context)
 
 #  }}} admin_graphs  #