karmaworld/apps/quizzes/create_quiz.py

   1 import random
   2 from karmaworld.apps.notes.models import Note
   3 from karmaworld.apps.quizzes.models import MultipleChoiceQuestion, Quiz, TrueFalseQuestion, MultipleChoiceOption, \
   4     Keyword, FlashCardQuestion
   5
   6 KEYWORD_MULTIPLE_CHOICE = 1
   7 DEFINITION_MULTIPLE_CHOICE = 2
   8 KEYWORD_DEFINITION_TRUE_FALSE = 3
   9 FLASHCARD_KEYWORD_BLANK = 4
  10 GENERATED_QUESTION_TYPE = (
  11     KEYWORD_MULTIPLE_CHOICE,
  12     DEFINITION_MULTIPLE_CHOICE,
  13     KEYWORD_DEFINITION_TRUE_FALSE,
  14     FLASHCARD_KEYWORD_BLANK,
  15 )
  16
  17 MULTIPLE_CHOICE_CHOICES = 4
  18
  19
  20 def _create_keyword_multiple_choice(keyword, keywords, quiz):
  21     question_object = MultipleChoiceQuestion.objects.create(
  22         question_text=keyword.definition,
  23         quiz=quiz)
  24
  25     MultipleChoiceOption.objects.create(
  26         text=keyword.word,
  27         correct=True,
  28         question=question_object)
  29
  30     for other_keyword in random.sample(keywords.exclude(id=keyword.id), MULTIPLE_CHOICE_CHOICES - 1):
  31         MultipleChoiceOption.objects.create(
  32             text=other_keyword.word,
  33             correct=False,
  34             question=question_object)
  35
  36
  37 def _create_definition_multiple_choice(keyword, keywords, quiz):
  38     question_object = MultipleChoiceQuestion.objects.create(
  39         question_text=keyword.word,
  40         quiz=quiz)
  41
  42     MultipleChoiceOption.objects.create(
  43         text=keyword.definition,
  44         correct=True,
  45         question=question_object)
  46
  47     for other_keyword in random.sample(keywords.exclude(id=keyword.id), MULTIPLE_CHOICE_CHOICES - 1):
  48         MultipleChoiceOption.objects.create(
  49             text=other_keyword.definition,
  50             correct=False,
  51             question=question_object)
  52
  53
  54 def _create_keyword_definition_true_false(keyword, keywords, quiz):
  55     true = random.choice((True, False))
  56
  57     if true:
  58         definition = keyword.definition
  59     else:
  60         other_keyword = keywords.exclude(id=keyword.id)
  61         definition = other_keyword.definition
  62
  63     question_text = 'Is the following a correct definition of {w}:<br/>{d}'. \
  64         format(w=keyword.word, d=definition)
  65
  66     TrueFalseQuestion.objects.create(
  67         text=question_text,
  68         quiz=quiz,
  69         true=true)
  70
  71
  72 def _create_keyword_flashcard_blank(keyword, quiz):
  73     FlashCardQuestion.objects.create(
  74         definition_side=keyword.definition,
  75         keyword_side=keyword.word,
  76         quiz=quiz)
  77
  78
  79 def quiz_from_keywords(note_id):
  80     note_object = Note.objects.get(id=note_id)
  81     quiz_object = Quiz.objects.create(note=note_object, name=note_object.name)
  82     keywords = Keyword.objects.filter(note=note_object)
  83
  84     for keyword in keywords:
  85         if keyword.word and keyword.definition:
  86             question_type = random.choice(GENERATED_QUESTION_TYPE)
  87
  88             if question_type is KEYWORD_MULTIPLE_CHOICE:
  89                 _create_keyword_multiple_choice(keyword, keywords, quiz_object)
  90
  91             elif question_type is DEFINITION_MULTIPLE_CHOICE:
  92                 _create_definition_multiple_choice(keyword, keywords, quiz_object)
  93
  94             elif question_type is KEYWORD_DEFINITION_TRUE_FALSE:
  95                 _create_keyword_definition_true_false(keyword, keywords, quiz_object)
  96
  97             elif question_type is FLASHCARD_KEYWORD_BLANK:
  98                 _create_keyword_flashcard_blank(keyword, quiz_object)
  99
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