def get_records(request, question_id):
"""
Get records of users and comparison targets
"""
try:
question = Question.objects.get(id=question_id)
survey = question.survey
except:
return Response(status=status.HTTP_400_BAD_REQUEST)
comparison_targets = cache.get("survey:" + str(survey.id) + ":comparison_targets:records")
if comparison_targets is None:
comparison_targets = redis.set_records_of_comparison_targets_cache(survey)
data = []
for comparison_target in comparison_targets:
data.append(
{
"name": comparison_target["name"],
"color": comparison_target["color"],
"choice_id": comparison_target["records"][question_id],
}
)
if request.user.is_authenticated():
answer = request.user.user_chosen_answers.select_related("choice").filter(choice__question=question)
try:
data.append({"name": "나", "color": "#9b59b6", "choice_id": answer[0].choice.id})
# When user does not answered this question
except:
pass
return Response(data)
def update_cache_when_comparison_target_updated(sender, instance, created, **kwargs):
"""
Update cache when comparison target updated
"""
redis.set_records_of_comparison_targets_cache(instance.survey)
