NDOJ/judge/models/interface.py
2022-10-07 14:07:53 +07:00

132 lines
4.4 KiB
Python

from email.policy import default
import re
from tabnanny import verbose
from django.core.exceptions import ValidationError
from django.db import models
from django.urls import reverse
from django.utils import timezone
from django.utils.translation import gettext_lazy as _
from mptt.fields import TreeForeignKey
from mptt.models import MPTTModel
from judge.models.profile import Organization, Profile
__all__ = ["MiscConfig", "validate_regex", "NavigationBar", "BlogPost"]
class MiscConfig(models.Model):
key = models.CharField(max_length=30, db_index=True)
value = models.TextField(blank=True)
def __str__(self):
return self.key
class Meta:
verbose_name = _("configuration item")
verbose_name_plural = _("miscellaneous configuration")
def validate_regex(regex):
try:
re.compile(regex, re.VERBOSE)
except re.error as e:
raise ValidationError("Invalid regex: %s" % e.message)
class NavigationBar(MPTTModel):
class Meta:
verbose_name = _("navigation item")
verbose_name_plural = _("navigation bar")
class MPTTMeta:
order_insertion_by = ["order"]
order = models.PositiveIntegerField(db_index=True, verbose_name=_("order"))
key = models.CharField(max_length=10, unique=True, verbose_name=_("identifier"))
label = models.CharField(max_length=20, verbose_name=_("label"))
path = models.CharField(max_length=255, verbose_name=_("link path"))
regex = models.TextField(
verbose_name=_("highlight regex"), validators=[validate_regex]
)
parent = TreeForeignKey(
"self",
verbose_name=_("parent item"),
null=True,
blank=True,
related_name="children",
on_delete=models.CASCADE,
)
def __str__(self):
return self.label
@property
def pattern(self, cache={}):
# A cache with a bad policy is an alias for memory leak
# Thankfully, there will never be too many regexes to cache.
if self.regex in cache:
return cache[self.regex]
else:
pattern = cache[self.regex] = re.compile(self.regex, re.VERBOSE)
return pattern
class BlogPost(models.Model):
title = models.CharField(verbose_name=_("post title"), max_length=100)
authors = models.ManyToManyField(Profile, verbose_name=_("authors"), blank=True)
slug = models.SlugField(verbose_name=_("slug"))
visible = models.BooleanField(verbose_name=_("public visibility"), default=False)
sticky = models.BooleanField(verbose_name=_("sticky"), default=False)
publish_on = models.DateTimeField(verbose_name=_("publish after"))
content = models.TextField(verbose_name=_("post content"))
summary = models.TextField(verbose_name=_("post summary"), blank=True)
og_image = models.CharField(
verbose_name=_("openGraph image"), default="", max_length=150, blank=True
)
organizations = models.ManyToManyField(
Organization,
blank=True,
verbose_name=_("organizations"),
help_text=_("If private, only these organizations may see the blog post."),
)
is_organization_private = models.BooleanField(
verbose_name=_("private to organizations"), default=False
)
def __str__(self):
return self.title
def get_absolute_url(self):
return reverse("blog_post", args=(self.id , self.slug))
def can_see(self, user):
if self.visible and self.publish_on <= timezone.now():
if not self.is_organization_private:
return True
if (
user.is_authenticated
and self.organizations.filter(
id__in=user.profile.organizations.all()
).exists()
):
return True
if user.has_perm("judge.edit_all_post"):
return True
return (
user.is_authenticated and self.authors.filter(id=user.profile.id).exists()
)
def is_editable_by(self, user):
if not user.is_authenticated:
return False
if user.has_perm("judge.edit_all_post"):
return True
return (
user.has_perm("judge.change_blogpost")
and self.authors.filter(id=user.profile.id).exists()
)
class Meta:
permissions = (("edit_all_post", _("Edit all posts")),)
verbose_name = _("blog post")
verbose_name_plural = _("blog posts")