259 lines
12 KiB
Python
259 lines
12 KiB
Python
from operator import mul
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from django.conf import settings
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from django.contrib.auth.models import User
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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.db.models import Max, CASCADE
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from django.urls import reverse
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from django.utils.functional import cached_property
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from django.utils.timezone import now
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from django.utils.translation import gettext_lazy as _
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from fernet_fields import EncryptedCharField
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from sortedm2m.fields import SortedManyToManyField
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from judge.models.choices import ACE_THEMES, MATH_ENGINES_CHOICES, TIMEZONE
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from judge.models.runtime import Language
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from judge.ratings import rating_class
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__all__ = ['Organization', 'Profile', 'OrganizationRequest', 'Friend']
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class EncryptedNullCharField(EncryptedCharField):
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def get_prep_value(self, value):
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if not value:
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return None
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return super(EncryptedNullCharField, self).get_prep_value(value)
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class Organization(models.Model):
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name = models.CharField(max_length=128, verbose_name=_('organization title'))
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slug = models.SlugField(max_length=128, verbose_name=_('organization slug'),
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help_text=_('Organization name shown in URL'))
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short_name = models.CharField(max_length=20, verbose_name=_('short name'),
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help_text=_('Displayed beside user name during contests'))
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about = models.TextField(verbose_name=_('organization description'))
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registrant = models.ForeignKey('Profile', verbose_name=_('registrant'), on_delete=models.CASCADE,
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related_name='registrant+', help_text=_('User who registered this organization'))
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admins = models.ManyToManyField('Profile', verbose_name=_('administrators'), related_name='admin_of',
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help_text=_('Those who can edit this organization'))
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creation_date = models.DateTimeField(verbose_name=_('creation date'), auto_now_add=True)
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is_open = models.BooleanField(verbose_name=_('is open organization?'),
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help_text=_('Allow joining organization'), default=True)
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slots = models.IntegerField(verbose_name=_('maximum size'), null=True, blank=True,
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help_text=_('Maximum amount of users in this organization, '
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'only applicable to private organizations'))
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access_code = models.CharField(max_length=7, help_text=_('Student access code'),
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verbose_name=_('access code'), null=True, blank=True)
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logo_override_image = models.CharField(verbose_name=_('Logo override image'), default='', max_length=150,
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blank=True,
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help_text=_('This image will replace the default site logo for users '
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'viewing the organization.'))
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def __contains__(self, item):
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if isinstance(item, int):
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return self.members.filter(id=item).exists()
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elif isinstance(item, Profile):
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return self.members.filter(id=item.id).exists()
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else:
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raise TypeError('Organization membership test must be Profile or primany key')
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def __str__(self):
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return self.name
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def get_absolute_url(self):
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return reverse('organization_home', args=(self.id, self.slug))
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def get_users_url(self):
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return reverse('organization_users', args=(self.id, self.slug))
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class Meta:
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ordering = ['name']
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permissions = (
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('organization_admin', 'Administer organizations'),
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('edit_all_organization', 'Edit all organizations'),
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)
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verbose_name = _('organization')
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verbose_name_plural = _('organizations')
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class Profile(models.Model):
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user = models.OneToOneField(User, verbose_name=_('user associated'), on_delete=models.CASCADE)
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about = models.TextField(verbose_name=_('self-description'), null=True, blank=True)
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timezone = models.CharField(max_length=50, verbose_name=_('location'), choices=TIMEZONE,
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default=settings.DEFAULT_USER_TIME_ZONE)
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language = models.ForeignKey('Language', verbose_name=_('preferred language'), on_delete=models.SET_DEFAULT,
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default=Language.get_default_language_pk)
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points = models.FloatField(default=0, db_index=True)
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performance_points = models.FloatField(default=0, db_index=True)
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problem_count = models.IntegerField(default=0, db_index=True)
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ace_theme = models.CharField(max_length=30, choices=ACE_THEMES, default='github')
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last_access = models.DateTimeField(verbose_name=_('last access time'), default=now)
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ip = models.GenericIPAddressField(verbose_name=_('last IP'), blank=True, null=True)
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organizations = SortedManyToManyField(Organization, verbose_name=_('organization'), blank=True,
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related_name='members', related_query_name='member')
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display_rank = models.CharField(max_length=10, default='user', verbose_name=_('display rank'),
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choices=(('user', 'Normal User'), ('setter', 'Problem Setter'), ('admin', 'Admin')))
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mute = models.BooleanField(verbose_name=_('comment mute'), help_text=_('Some users are at their best when silent.'),
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default=False)
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is_unlisted = models.BooleanField(verbose_name=_('unlisted user'), help_text=_('User will not be ranked.'),
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default=False)
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rating = models.IntegerField(null=True, default=None)
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user_script = models.TextField(verbose_name=_('user script'), default='', blank=True, max_length=65536,
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help_text=_('User-defined JavaScript for site customization.'))
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current_contest = models.OneToOneField('ContestParticipation', verbose_name=_('current contest'),
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null=True, blank=True, related_name='+', on_delete=models.SET_NULL)
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math_engine = models.CharField(verbose_name=_('math engine'), choices=MATH_ENGINES_CHOICES, max_length=4,
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default=settings.MATHOID_DEFAULT_TYPE,
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help_text=_('the rendering engine used to render math'))
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is_totp_enabled = models.BooleanField(verbose_name=_('2FA enabled'), default=False,
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help_text=_('check to enable TOTP-based two factor authentication'))
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totp_key = EncryptedNullCharField(max_length=32, null=True, blank=True, verbose_name=_('TOTP key'),
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help_text=_('32 character base32-encoded key for TOTP'),
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validators=[RegexValidator('^$|^[A-Z2-7]{32}$',
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_('TOTP key must be empty or base32'))])
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notes = models.TextField(verbose_name=_('internal notes'), null=True, blank=True,
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help_text=_('Notes for administrators regarding this user.'))
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@cached_property
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def organization(self):
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# We do this to take advantage of prefetch_related
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orgs = self.organizations.all()
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return orgs[0] if orgs else None
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@cached_property
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def username(self):
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return self.user.username
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@cached_property
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def count_unseen_notifications(self):
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query = {
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'read': False,
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'comment__hidden': False,
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}
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return self.notifications.filter(**query).count()
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_pp_table = [pow(settings.DMOJ_PP_STEP, i) for i in range(settings.DMOJ_PP_ENTRIES)]
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def calculate_points(self, table=_pp_table):
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from judge.models import Problem
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data = (Problem.objects.filter(submission__user=self, submission__points__isnull=False, is_public=True,
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is_organization_private=False)
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.annotate(max_points=Max('submission__points')).order_by('-max_points')
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.values_list('max_points', flat=True).filter(max_points__gt=0))
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extradata = Problem.objects.filter(submission__user=self, submission__result='AC', is_public=True) \
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.values('id').distinct().count()
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bonus_function = settings.DMOJ_PP_BONUS_FUNCTION
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points = sum(data)
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problems = len(data)
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entries = min(len(data), len(table))
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pp = sum(map(mul, table[:entries], data[:entries])) + bonus_function(extradata)
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if self.points != points or problems != self.problem_count or self.performance_points != pp:
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self.points = points
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self.problem_count = problems
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self.performance_points = pp
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self.save(update_fields=['points', 'problem_count', 'performance_points'])
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return points
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calculate_points.alters_data = True
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def remove_contest(self):
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self.current_contest = None
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self.save()
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remove_contest.alters_data = True
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def update_contest(self):
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contest = self.current_contest
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if contest is not None and (contest.ended or not contest.contest.is_accessible_by(self.user)):
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self.remove_contest()
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update_contest.alters_data = True
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def get_absolute_url(self):
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return reverse('user_page', args=(self.user.username,))
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def __str__(self):
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return self.user.username
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@classmethod
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def get_user_css_class(cls, display_rank, rating, rating_colors=settings.DMOJ_RATING_COLORS):
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if rating_colors:
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return 'rating %s %s' % (rating_class(rating) if rating is not None else 'rate-none', display_rank)
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return display_rank
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@cached_property
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def css_class(self):
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return self.get_user_css_class(self.display_rank, self.rating)
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def get_friends(self): #list of usernames, including you
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friend_obj = self.following_users.all()
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ret = set()
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if (friend_obj):
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ret = set(friend.username for friend in friend_obj[0].users.all())
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ret.add(self.username)
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return ret
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class Meta:
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permissions = (
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('test_site', 'Shows in-progress development stuff'),
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('totp', 'Edit TOTP settings'),
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)
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verbose_name = _('user profile')
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verbose_name_plural = _('user profiles')
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class OrganizationRequest(models.Model):
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user = models.ForeignKey(Profile, verbose_name=_('user'), related_name='requests', on_delete=models.CASCADE)
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organization = models.ForeignKey(Organization, verbose_name=_('organization'), related_name='requests',
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on_delete=models.CASCADE)
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time = models.DateTimeField(verbose_name=_('request time'), auto_now_add=True)
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state = models.CharField(max_length=1, verbose_name=_('state'), choices=(
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('P', 'Pending'),
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('A', 'Approved'),
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('R', 'Rejected'),
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))
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reason = models.TextField(verbose_name=_('reason'))
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class Meta:
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verbose_name = _('organization join request')
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verbose_name_plural = _('organization join requests')
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class Friend(models.Model):
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users = models.ManyToManyField(Profile)
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current_user = models.ForeignKey(Profile, related_name="following_users", on_delete=CASCADE)
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@classmethod
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def is_friend(self, current_user, new_friend):
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try:
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return current_user.following_users.get().users \
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.filter(user=new_friend.user).exists()
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except:
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return False
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@classmethod
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def make_friend(self, current_user, new_friend):
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friend, created = self.objects.get_or_create(
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current_user = current_user
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)
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friend.users.add(new_friend)
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@classmethod
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def remove_friend(self, current_user, new_friend):
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friend, created = self.objects.get_or_create(
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current_user = current_user
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)
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friend.users.remove(new_friend)
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@classmethod
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def toggle_friend(self, current_user, new_friend):
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if (self.is_friend(current_user, new_friend)):
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self.remove_friend(current_user, new_friend)
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else:
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self.make_friend(current_user, new_friend)
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def __str__(self):
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return str(self.current_user)
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