evg-app-back/lessons/models.py

85 lines
2.9 KiB
Python

from django.db import models
from organisations.models import Organisation, Teacher, Group, Child
from django.dispatch import receiver
from django.db.models.signals import post_save
class Subject(models.Model):
name = models.CharField(max_length=100)
organisation = models.ForeignKey(Organisation, on_delete=models.CASCADE)
teachers_give = models.ManyToManyField(Teacher)
class SubjectClassLocal(models.Model):
subject = models.ForeignKey(Subject, on_delete=models.CASCADE)
teachers = models.ManyToManyField(Teacher)
group = models.ForeignKey(Group, on_delete=models.CASCADE)
name = models.CharField(max_length=100, unique=False)
def __str__(self):
return self.name
class Lesson(models.Model):
type_lesson = models.ForeignKey(SubjectClassLocal, on_delete=models.CASCADE)
name = models.TextField(default="")
descr = models.TextField(default="")
content = models.TextField(default="")
time_lesson = models.DateTimeField(auto_now=True)
class Materials(models.Model):
link = models.URLField()
name = models.CharField(max_length=100, blank=True)
data = models.TextField(blank=True)
Type = models.CharField(max_length=100, default="link")
lesson = models.ForeignKey(Lesson, on_delete=models.CASCADE, default=3)
class Tests(models.Model):
name = models.CharField(max_length=150)
deadline = models.DateTimeField()
lesson = models.ForeignKey(Lesson, on_delete=models.CASCADE)
class Type(models.Model):
name = models.TextField(max_length=150)
class Task(models.Model):
theory = models.TextField()
practise = models.TextField()
test = models.ForeignKey(Tests, on_delete=models.CASCADE)
types = models.ManyToManyField(Type)
number = models.IntegerField()
max_score = models.IntegerField(default=0)
class Theme(models.Model):
tasks = models.ManyToManyField(Task)
name = models.CharField(max_length=150)
class AnswerSheet(models.Model):
child = models.ForeignKey(Child, on_delete=models.CASCADE)
completed = models.BooleanField(default=False)
test = models.ForeignKey(Tests, on_delete=models.CASCADE)
class Answer(models.Model):
sheet = models.ForeignKey(AnswerSheet, on_delete=models.CASCADE)
content = models.TextField()
number = models.IntegerField()
completed = models.BooleanField(default=False)
score = models.IntegerField(default=0)
@receiver(post_save, sender=Tests)
def _post_save_receiver_(sender, instance, created, **kwargs):
print(created, instance, instance.lesson.type_lesson.group.child_set.all())
if created:
for child in instance.lesson.type_lesson.group.child_set.all():
AnswerSheet.objects.create(child=child, completed=False, test=instance)
@receiver(post_save, sender=Task)
def _post_save_receiver(sender, instance, created, **kwargs):
if created:
for child in instance.test.lesson.type_lesson.group.child_set.all():
Answer.objects.create(number=instance.number, sheet=child.answersheet_set.all().filter(test=instance.test)[0], content="")