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)
def url(self):
if self.exercise_name:
return Exercise.get_relative_url(self.exercise_name)
else:
return "/exercisedashboard"
def url(self):
if self.exercise_name:
return Exercise.get_relative_url(self.exercise_name)
else:
return "/exercisedashboard"
def url(self):
if self.exercise_name:
return Exercise.get_relative_url(self.exercise_name)
else:
return "/#browse"