Example #1
0
def exercise_message(exercise, user_exercise_graph, sees_graph=False,
        review_mode=False):
    """Render UserExercise html for APIActionResults["exercise_message_html"] listener in khan-exercise.js.

    This is called **each time** a problem is either attempted or a hint is called (via /api/v1.py)
    returns nothing unless a user is struggling, proficient, etc. then it returns the appropriat template

    See Also: APIActionResults

    sees_graph is part of an ab_test to see if a small graph will help
    """

    # TODO(david): Should we show a message if the user gets a problem wrong
    #     after proficiency, to explain that this exercise needs to be reviewed?

    exercise_states = user_exercise_graph.states(exercise.name)

    if review_mode and user_exercise_graph.has_completed_review():
        filename = 'exercise_message_review_finished.html'

    elif (exercise_states['proficient'] and not exercise_states['reviewing'] and
            not review_mode):
        if sees_graph:
            filename = 'exercise_message_proficient_withgraph.html'
        else:
            filename = 'exercise_message_proficient.html'

    elif exercise_states['struggling']:
        filename = 'exercise_message_struggling.html'
        suggested_prereqs = []
        if exercise.prerequisites:
            proficient_exercises = user_exercise_graph.proficient_exercise_names()
            for prereq in exercise.prerequisites:
                if prereq not in proficient_exercises:
                    suggested_prereqs.append({
                          'ka_url': Exercise.get_relative_url(prereq),
                          'display_name': Exercise.to_display_name(prereq),
                          })
        exercise_states['suggested_prereqs'] = apijsonify.jsonify(
                suggested_prereqs)

    else:
        return None

    return shared_jinja.get().render_template(filename, **exercise_states)
Example #2
0
 def url(self):
     if self.exercise_name:
         return Exercise.get_relative_url(self.exercise_name)
     else:
         return "/exercisedashboard"
Example #3
0
 def url(self):
     if self.exercise_name:
         return Exercise.get_relative_url(self.exercise_name)
     else:
         return "/exercisedashboard"
Example #4
0
 def url(self):
     if self.exercise_name:
         return Exercise.get_relative_url(self.exercise_name)
     else:
         return "/#browse"