Source code for oioioi.quizzes.models

from django.db import models
from django.urls import reverse
from django.utils.translation import gettext_lazy as _

from oioioi.base.fields import EnumField
from oioioi.contests.fields import ScoreField
from oioioi.contests.models import Submission, SubmissionReport, submission_statuses
from oioioi.problems.models import Problem


[docs]class Quiz(Problem):
[docs]    class Meta(object):
[docs]        verbose_name = _("Quiz")
[docs]        verbose_name_plural = _("Quizzes")


[docs]class QuizQuestion(models.Model):
[docs]    question = models.TextField(verbose_name=_("Question"))
[docs]    points = models.IntegerField(default=1, verbose_name=_("Points"))
[docs]    is_multiple_choice = models.BooleanField(
        default=False, verbose_name=_("Is multiple choice")
    )
[docs]    quiz = models.ForeignKey(Quiz, verbose_name=_("Quiz"), on_delete=models.CASCADE)
[docs]    order = models.IntegerField(default=0, verbose_name=_("Order"))
[docs]    is_text_input = models.BooleanField(
        default=False,
        verbose_name=_("Hide answers"),
        help_text=_(
            "Instead of listing answers, expect the contestant to type in their answer."
        ),
    )

[docs]    class Meta(object):
[docs]        ordering = ['order']
[docs]        verbose_name = _("Quiz question")
[docs]        verbose_name_plural = _("Quiz questions")


[docs]class QuizAnswer(models.Model):
[docs]    question = models.ForeignKey(
        QuizQuestion, verbose_name=_("Question"), on_delete=models.CASCADE
    )
[docs]    answer = models.TextField(verbose_name=_("Answer"))
[docs]    is_correct = models.BooleanField(default=False, verbose_name=_("Is answer correct"))
[docs]    order = models.IntegerField(default=0, verbose_name=_("Order"))

[docs]    class Meta(object):
[docs]        ordering = ['order']
[docs]        verbose_name = _("Quiz answer")
[docs]        verbose_name_plural = _("Quiz answers")


[docs]class QuizPicture(models.Model):
[docs]    caption = models.TextField(verbose_name=_("Caption"), blank=True)
[docs]    file = models.FileField(verbose_name=_("Image file"))
[docs]    order = models.IntegerField(default=0, verbose_name=_("Order"))

[docs]    def get_absolute_url(self):
        raise NotImplementedError

    @property
[docs]    def quiz(self):
        raise NotImplementedError

[docs]    class Meta(object):
[docs]        abstract = True
[docs]        ordering = ['order']


[docs]class QuizQuestionPicture(QuizPicture):
[docs]    question = models.ForeignKey(QuizQuestion, on_delete=models.CASCADE)

[docs]    def get_absolute_url(self):
        return reverse('picture_view', args=['q', self.id])

    @property
[docs]    def quiz(self):
        return self.question.quiz

[docs]    class Meta(QuizPicture.Meta):
[docs]        verbose_name = _("Quiz question picture")
[docs]        verbose_name_plural = _("Quiz question pictures")


[docs]class QuizAnswerPicture(QuizPicture):
[docs]    answer = models.ForeignKey(QuizAnswer, on_delete=models.CASCADE)

[docs]    def get_absolute_url(self):
        return reverse('picture_view', args=['a', self.id])

    @property
[docs]    def quiz(self):
        return self.answer.question.quiz

[docs]    class Meta(QuizPicture.Meta):
[docs]        verbose_name = _("Quiz answer picture")
[docs]        verbose_name_plural = _("Quiz answer pictures")


[docs]class QuizSubmission(Submission):
[docs]    class Meta(object):
[docs]        verbose_name = _("Quiz submission")
[docs]        verbose_name_plural = _("Quiz submissions")


[docs]class QuizSubmissionAnswer(models.Model):
[docs]    quiz_submission = models.ForeignKey(
        QuizSubmission, verbose_name=_("Quiz submission"), on_delete=models.CASCADE
    )
[docs]    answer = models.ForeignKey(
        QuizAnswer, verbose_name=_("Answer"), on_delete=models.SET_NULL, null=True
    )
[docs]    is_selected = models.BooleanField(
        default=False, verbose_name=_("Is answer selected")
    )

[docs]    class Meta(object):
[docs]        verbose_name = _("Quiz submission answer")
[docs]        verbose_name_plural = _("Quiz submission answers")


[docs]class QuizSubmissionTextAnswer(models.Model):
[docs]    quiz_submission = models.ForeignKey(
        QuizSubmission, verbose_name=_("Quiz submission"), on_delete=models.CASCADE
    )
[docs]    question = models.ForeignKey(
        QuizQuestion, verbose_name=_("Question"), on_delete=models.SET_NULL, null=True
    )
[docs]    text_answer = models.TextField(verbose_name=_("Text answer"))

[docs]    class Meta(object):
[docs]        unique_together = (('quiz_submission', 'question'),)
[docs]        verbose_name = _("Quiz submission text answer")
[docs]        verbose_name_plural = _("Quiz submission text answers")


[docs]class QuestionReport(models.Model):
[docs]    submission_report = models.ForeignKey(
        SubmissionReport, verbose_name=_("Submission report"), on_delete=models.CASCADE
    )
[docs]    comment = models.TextField(blank=True, null=True, verbose_name=_("Comment"))
[docs]    score = ScoreField(verbose_name=_("Score"))
[docs]    question = models.ForeignKey(
        QuizQuestion,
        blank=True,
        null=True,
        on_delete=models.SET_NULL,
        verbose_name=_("Question"),
    )
[docs]    question_max_score = models.IntegerField(verbose_name=_("Question max score"))
[docs]    status = EnumField(submission_statuses, default='WA', verbose_name=_("Status"))

[docs]    class Meta(object):
[docs]        verbose_name = _("Question report")
[docs]        verbose_name_plural = _("Question reports")