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