NDOJ/judge/models/pagevote.py
2024-04-13 17:02:54 -05:00

70 lines
2.3 KiB
Python

from django.db import models
from django.db.models import CASCADE
from django.utils.translation import gettext_lazy as _
from django.contrib.contenttypes.fields import GenericForeignKey
from django.contrib.contenttypes.models import ContentType
from judge.models.profile import Profile
from judge.caching import cache_wrapper
__all__ = ["PageVote", "PageVoteVoter"]
class PageVote(models.Model):
page = models.CharField(
max_length=30,
verbose_name=_("associated page"),
db_index=True,
) # deprecated
score = models.IntegerField(verbose_name=_("votes"), default=0)
content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
object_id = models.PositiveIntegerField()
linked_object = GenericForeignKey("content_type", "object_id")
class Meta:
verbose_name = _("pagevote")
verbose_name_plural = _("pagevotes")
indexes = [
models.Index(fields=["content_type", "object_id"]),
]
unique_together = ("content_type", "object_id")
@cache_wrapper(prefix="PVvs")
def vote_score(self, user):
page_vote = PageVoteVoter.objects.filter(pagevote=self, voter=user).first()
return page_vote.score if page_vote else 0
def __str__(self):
return f"pagevote for {self.linked_object}"
class PageVoteVoter(models.Model):
voter = models.ForeignKey(Profile, related_name="voted_page", on_delete=CASCADE)
pagevote = models.ForeignKey(PageVote, related_name="votes", on_delete=CASCADE)
score = models.IntegerField()
class Meta:
unique_together = ["voter", "pagevote"]
verbose_name = _("pagevote vote")
verbose_name_plural = _("pagevote votes")
@cache_wrapper(prefix="gocp")
def _get_or_create_pagevote(content_type, object_id):
pagevote, created = PageVote.objects.get_or_create(
content_type=content_type,
object_id=object_id,
)
return pagevote
class PageVotable:
def get_or_create_pagevote(self):
content_type = ContentType.objects.get_for_model(self)
object_id = self.pk
return _get_or_create_pagevote(content_type, object_id)
def dirty_pagevote(pagevote, profile):
pagevote.vote_score.dirty(pagevote, profile)
_get_or_create_pagevote.dirty(pagevote.content_type, pagevote.object_id)