add course models
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zhaospei
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18
judge/migrations/0147_alter_profile_timezone.py
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18
judge/migrations/0147_alter_profile_timezone.py
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# Generated by Django 3.2.16 on 2023-01-31 15:49
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import django.core.validators
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from django.db import migrations, models
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import django.db.models.deletion
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class Migration(migrations.Migration):
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dependencies = [
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('judge', '0147_alter_profile_timezone'),
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]
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operations = [
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migrations.CreateModel(
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name='Course',
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fields=[
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('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
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('name', models.CharField(max_length=128, verbose_name='course name')),
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('about', models.TextField(verbose_name='organization description')),
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('ending_time', models.DateTimeField(verbose_name='ending time')),
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('is_public', models.BooleanField(default=False, verbose_name='publicly visible')),
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('slug', models.SlugField(help_text='Course name shown in URL', max_length=128, unique=True, validators=[django.core.validators.RegexValidator('^[-a-zA-Z0-9]+$', 'Only alphanumeric and hyphens')], verbose_name='course slug')),
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('is_open', models.BooleanField(default=False, verbose_name='public registration')),
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('image_url', models.CharField(blank=True, default='', max_length=150, verbose_name='course image')),
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('organizations', models.ManyToManyField(blank=True, help_text='If private, only these organizations may see the course', to='judge.Organization', verbose_name='organizations')),
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],
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),
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migrations.CreateModel(
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name='CourseRole',
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fields=[
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('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
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('role', models.CharField(choices=[('ST', 'Student'), ('AS', 'Assistant'), ('TE', 'Teacher')], default='ST', max_length=2)),
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('course', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to='judge.course', verbose_name='course')),
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('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='user_of_course', to='judge.profile', verbose_name='user')),
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],
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),
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migrations.CreateModel(
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name='CourseResource',
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fields=[
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('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
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('files', models.FileField(blank=True, null=True, upload_to='', verbose_name='course files')),
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('description', models.CharField(blank=True, max_length=150, verbose_name='description')),
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('order', models.IntegerField(default=None, null=True)),
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('is_public', models.BooleanField(default=False, verbose_name='publicly visible')),
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('course', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to='judge.course', verbose_name='course')),
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],
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),
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migrations.CreateModel(
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name='CourseAssignment',
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fields=[
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('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
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('points', models.FloatField(verbose_name='points')),
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('contest', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to='judge.contest', verbose_name='contest')),
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('course', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to='judge.course', verbose_name='course')),
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],
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),
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]
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@ -56,6 +56,7 @@ from judge.models.ticket import Ticket, TicketMessage
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from judge.models.volunteer import VolunteerProblemVote
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from judge.models.pagevote import PageVote, PageVoteVoter
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from judge.models.bookmark import BookMark, MakeBookMark
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from judge.models.course import Course
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revisions.register(Profile, exclude=["points", "last_access", "ip", "rating"])
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revisions.register(Problem, follow=["language_limits"])
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@ -81,4 +82,5 @@ revisions.register(Rating)
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revisions.register(PageVoteVoter)
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revisions.register(VolunteerProblemVote)
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revisions.register(MakeBookMark)
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revisions.register(Course)
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del revisions
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160
judge/models/course.py
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160
judge/models/course.py
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from django.core.validators import RegexValidator
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from django.db import models
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from django.utils.translation import gettext, gettext_lazy as _
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from judge.models import Contest
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from judge.models.profile import Organization, Profile
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__all__ = [
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"Course",
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"CourseRole",
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"CourseResource",
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"CourseAssignment",
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]
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course_directory_file = ""
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class Course(models.Model):
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name = models.CharField(max_length=128, verbose_name=_("course name"),)
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about = models.TextField(verbose_name=_("organization description"))
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ending_time = models.DateTimeField(verbose_name=_("ending time"),)
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is_public = models.BooleanField(verbose_name=_("publicly visible"), default=False,)
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organizations = models.ManyToManyField(
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Organization,
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blank=True,
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verbose_name=_("organizations"),
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help_text=_("If private, only these organizations may see the course"),
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)
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slug = models.SlugField(
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max_length=128,
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verbose_name=_("course slug"),
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help_text=_("Course name shown in URL"),
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unique=True,
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validators=[
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RegexValidator("^[-a-zA-Z0-9]+$", _("Only alphanumeric and hyphens"))
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],
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)
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is_open = models.BooleanField(verbose_name=_("public registration"), default=False,)
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image_url = models.CharField(
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verbose_name=_("course image"),
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default="",
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max_length=150,
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blank=True,
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)
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def __str__(self):
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return self.name
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@classmethod
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def is_editable_by(course, profile):
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if (profile.is_superuser):
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return True
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userquery = CourseRole.objects.filter(course=course, user=profile)
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if userquery.exists():
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if (userquery[0].role == 'AS' or userquery[0].role == 'TE'):
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return True
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return False
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@classmethod
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def is_accessible_by(course, profile):
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userqueryset = CourseRole.objects.filter(course=course, user=profile)
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if userqueryset.exists():
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return True
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else:
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return False
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@classmethod
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def get_students(course):
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return CourseRole.objects.filter(course=course, role='ST').values('user')
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@classmethod
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def get_assistants(course):
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return CourseRole.objects.filter(course=course, role='AS').values('user')
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@classmethod
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def get_teachers(course):
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return CourseRole.objects.filter(course=course, role='TE').values('user')
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@classmethod
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def add_student(course, profiles):
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for profile in profiles:
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CourseRole.make_role(course=course, user=profile, role='ST')
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@classmethod
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def add_teachers(course, profiles):
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for profile in profiles:
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CourseRole.make_role(course=course, user=profile, role='TE')
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@classmethod
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def add_assistants(course, profiles):
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for profile in profiles:
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CourseRole.make_role(course=course, user=profile, role='AS')
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class CourseRole(models.Model):
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course = models.OneToOneField(
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Course,
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verbose_name=_("course"),
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on_delete=models.CASCADE,
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db_index=True,
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)
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user = models.ForeignKey(
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Profile,
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verbose_name=_("user"),
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on_delete=models.CASCADE,
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related_name=_("user_of_course"),
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)
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class RoleInCourse(models.TextChoices):
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STUDENT = 'ST', _("Student")
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ASSISTANT = 'AS', _("Assistant")
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TEACHER = 'TE', _("Teacher")
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role = models.CharField(
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max_length=2,
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choices=RoleInCourse.choices,
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default=RoleInCourse.STUDENT,
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)
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@classmethod
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def make_role(self, course, user, role):
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userqueryset = CourseRole.objects.filter(course=course, user=user)
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if userqueryset.exists():
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userqueryset[0].role = role
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else:
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couresrole = CourseRole()
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couresrole.course = course
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couresrole.user = user
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couresrole.role = role
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couresrole.save()
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class CourseResource(models.Model):
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course = models.OneToOneField(
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Course,
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verbose_name=_("course"),
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on_delete=models.CASCADE,
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db_index=True,
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)
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files = models.FileField(
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verbose_name=_("course files"),
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null=True,
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blank=True,
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upload_to=course_directory_file,
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)
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description = models.CharField(
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verbose_name=_("description"),
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blank=True,
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max_length=150,
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)
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order = models.IntegerField(null=True, default=None)
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is_public = models.BooleanField(verbose_name=_("publicly visible"), default=False,)
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class CourseAssignment(models.Model):
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course = models.OneToOneField(
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Course,
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verbose_name=_("course"),
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on_delete=models.CASCADE,
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db_index=True,
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)
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contest = models.OneToOneField(
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Contest,
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verbose_name=_("contest"),
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on_delete=models.CASCADE,
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)
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points = models.FloatField(verbose_name=_("points"),)
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