some error catching around has-teams and api permissions

rowers/urls.py

@@ -37,8 +37,12 @@ class WorkoutViewSet(viewsets.ModelViewSet):
     serializer_class = WorkoutSerializer
 
     def get_queryset(self):
-        r = Rower.objects.get(user=self.request.user)
-        return Workout.objects.filter(user=r).order_by("-date","-starttime")
+        try:
+            r = Rower.objects.get(user=self.request.user)
+            return Workout.objects.filter(user=r).order_by("-date","-starttime")
+        except TypeError:
+            return []
+
     
     
     permission_classes = (
@@ -52,8 +56,11 @@ class RowerViewSet(viewsets.ModelViewSet):
     #queryset = Rower.objects.all()
     
     def get_queryset(self):
-        r = Rower.objects.filter(user=self.request.user)
-        return r
+        try:
+            r = Rower.objects.filter(user=self.request.user)
+            return r
+        except TypeError:
+            return []
 
     permission_classes = (
         IsOwnerOrNot,
@@ -68,8 +75,11 @@ class FavoriteChartViewSet(viewsets.ModelViewSet):
     #queryset = FavoriteChart.objects.all()
 
     def get_queryset(self):
-        r = Rower.objects.filter(user=self.request.user)
-        return FavoriteChart.objects.filter(user=r)
+        try:
+            r = Rower.objects.filter(user=self.request.user)
+            return FavoriteChart.objects.filter(user=r)
+        except TypeError:
+            return []
 
     permission_classes = (
         IsOwnerOrNot,

rowers/views.py

@@ -173,10 +173,13 @@ def rdata(file,rower=rrower()):
 
 # Query to get teams managed and member of
 def get_my_teams(user):
-    therower = Rower.objects.get(user=user)
-    teams1 = therower.team.all()
-    teams2 = Team.objects.filter(manager=user)
-    teams = list(set(teams1).union(set(teams2)))
+    try:
+        therower = Rower.objects.get(user=user)
+        teams1 = therower.team.all()
+        teams2 = Team.objects.filter(manager=user)
+        teams = list(set(teams1).union(set(teams2)))
+    except TypeError:
+        teams = []
 
     return teams