more or less done

rowers/rower_rules.py

@@ -463,6 +463,9 @@ def is_workout_user(user, workout):
 
 # check if user is in same team as owner of workout
 
+@rules.predicate
+def workout_is_strava(workout):
+    return workout.workoutsource == 'strava'
 
 @rules.predicate
 def is_workout_team(user, workout):