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108 lines
4.9 KiB
108 lines
4.9 KiB
import uuid
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from django.conf import settings
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from django.contrib.postgres.fields import ArrayField
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from django.db import models
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from model_utils import Choices
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from django.utils import timezone
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from lms.tools import get_empty_list
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class OpenToken(models.Model):
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token = models.UUIDField(verbose_name="Токен", editable=False, default=uuid.uuid4,)
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email = models.CharField(max_length=255, verbose_name="email пользователя")
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course_token = models.UUIDField(verbose_name="Токен курса", editable=False)
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period_days = models.SmallIntegerField(verbose_name="Период (в днях)", default=3)
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date = models.DateTimeField(auto_now_add=True, verbose_name="Дата создания")
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def __str__(self):
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return "Токен для пользователя %s от %s" % (self.email, self.date)
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class Meta:
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verbose_name = 'Токен на открытие курса'
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verbose_name_plural = 'Токены на открытие курса'
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unique_together = (("email", "course_token"),)
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class Progress(models.Model):
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teacher = models.ForeignKey(to=settings.AUTH_USER_MODEL, verbose_name="Преподователь по умолчанию",
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related_name='teacher_progress')
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user = models.ForeignKey(to=settings.AUTH_USER_MODEL, verbose_name='Студент')
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course_token = models.UUIDField(verbose_name="Токен курса", editable=False)
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is_finish = models.BooleanField(verbose_name="Окончен ли курс", default=False)
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is_freeze = models.BooleanField(verbose_name="Прохождение было преостановленно", default=False)
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only_watch = models.BooleanField(verbose_name="Только просмотр", default=False)
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exp_date = models.DateTimeField(verbose_name='Дата сгорания', blank=True, null=True)
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def progress_status(self, sorted_token_list):
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"""
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Возвращает порядок активной темы и урока или ничего
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:return: (topic_sort, lesson_sort) or None
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"""
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token_list = [i.lesson_token for i in self.progresslesson_set.filter(status='done')]
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x = (1, 1)
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for idx_topic, lesson_list in enumerate(sorted_token_list):
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for idx_lesson, lesson_token in enumerate(lesson_list):
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if lesson_token in token_list:
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x = None
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elif x is None:
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x = (idx_topic+1, idx_lesson+1)
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return x
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def __str__(self):
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return '%s' % (self.user.email,)
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class Meta:
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verbose_name = 'Прогресс пользователя'
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verbose_name_plural = 'Прогресс пользователя'
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unique_together = (("user", "course_token"),)
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class ProgressLesson(models.Model):
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STATUSES = Choices('start', 'done', 'wait', 'fail')
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progress = models.ForeignKey(to=Progress)
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lesson_token = models.UUIDField(verbose_name="Токен урока", editable=False)
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checker = models.ForeignKey(to=settings.AUTH_USER_MODEL, verbose_name="Преподователь", )
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finish_date = models.DateTimeField(verbose_name='Дата зачтения задания', blank=True, null=True)
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start_date = models.DateTimeField(verbose_name='Дата начала прохождения задания', auto_now_add=True)
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status = models.CharField(choices=STATUSES, default=STATUSES.start, max_length=20)
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last_update = models.DateTimeField(verbose_name='Дата последней сдачи', auto_now_add=True)
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comment_tokens = ArrayField(models.UUIDField(verbose_name="Токен комента", editable=False), default=get_empty_list)
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dif_check_timestamps = ArrayField(
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models.IntegerField(
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verbose_name="Время проверки"
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),
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verbose_name='Временные интервалы проверок',
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default=get_empty_list,
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)
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def __init__(self, *args, **kwargs):
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super(ProgressLesson, self).__init__(*args, **kwargs)
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self.old_status = self.status
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def save(self, force_insert=False, force_update=False, **kwargs):
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if self.status == 'wait' and (self.old_status == 'start' or self.old_status == 'fail'):
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self.last_update = timezone.now()
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if self.old_status == 'wait' and (self.status == 'fail' or self.status == 'done'):
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dif = int(timezone.now().timestamp() - self.last_update.timestamp())
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self.dif_check_timestamps.append(dif)
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super(ProgressLesson, self).save(force_insert, force_update, **kwargs)
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self.old_status = self.status
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def __str__(self):
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return self.progress.user.email
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class Meta:
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verbose_name = 'Прохождение уроков'
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verbose_name_plural = 'Прохождение урока'
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unique_together = ('progress', 'lesson_token')
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