tasks/models.py - master - servgri/interview

tasks/models.py
61 строка2 KB
Seal
full project
27 ноя 2025, 14:24
27 ноя 2025, 14:24d1507ba
from django.db import models
from django.conf import settings


class Topic(models.Model):
    name = models.CharField(max_length=20, unique=True)

    def __str__(self):
        return self.name


class Task(models.Model):
    LEVEL_CHOICES = [
        ('easy', 'Easy'),
        ('medium', 'Medium'),
        ('hard', 'Hard'),
    ]
    title = models.CharField(max_length=255)
    difficulty = models.CharField(max_length=10, choices=LEVEL_CHOICES, default='easy')
    task_text = models.TextField()
    test_cases = models.JSONField(default=list)
    ideal_solution = models.TextField(blank=False)
    topic = models.ForeignKey('Topic', on_delete=models.CASCADE)
    is_active = models.BooleanField(default=True)
    created_at = models.DateTimeField(auto_now_add=True)

    def __str__(self):
        return f"{self.pk} - {self.title}"


class UserProgress(models.Model):
    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='progress')
    task = models.ForeignKey(Task, on_delete=models.CASCADE)
    started_at = models.DateTimeField(auto_now_add=True)
    finished_at = models.DateTimeField(null=True, blank=True)
    correct = models.BooleanField(null=True)
    user_answer = models.TextField(null=True, blank=True)
    time_taken_seconds = models.IntegerField(null=True, blank=True)
    skipped = models.BooleanField(default=False)
    attempt_count = models.PositiveIntegerField(default=1)
    hint_used = models.BooleanField(default=False)

    class Meta:
        unique_together = ('user', 'task')


class Session(models.Model):
    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
    tasks = models.ManyToManyField(Task, )
    report_text = models.TextField()
    reported_at = models.DateTimeField(auto_now_add=True)


class UserBKTState(models.Model):
    user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name="bkt_state")
    # сериализуем состояние модели BKT в JSON (словарь skill->prob)
    state = models.JSONField(default=dict)
    updated_at = models.DateTimeField(auto_now=True)

    def __str__(self):
        return f"BKT state for {self.user}"