60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
from django.db import models
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from django.db.models import CASCADE
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from django.utils.translation import gettext_lazy as _
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from django.core.exceptions import ObjectDoesNotExist
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from judge.models import Profile
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from judge.models.contest import Contest
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from judge.models.interface import BlogPost
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from judge.models.problem import Problem, Solution
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__all__ = ["BookMark"]
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class BookMark(models.Model):
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page = models.CharField(
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max_length=30,
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verbose_name=_("associated page"),
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db_index=True,
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)
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def get_bookmark(self, user):
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userqueryset = MakeBookMark.objects.filter(bookmark=self, user=user)
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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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def page_object(self):
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try:
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page = self.page
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if page.startswith("p:"):
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return Problem.objects.get(code=page[2:])
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elif page.startswith("c:"):
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return Contest.objects.get(key=page[2:])
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elif page.startswith("b:"):
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return BlogPost.objects.get(id=page[2:])
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elif page.startswith("s:"):
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return Solution.objects.get(problem__code=page[2:])
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return None
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except ObjectDoesNotExist:
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return None
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class Meta:
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verbose_name = _("bookmark")
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verbose_name_plural = _("bookmarks")
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def __str__(self):
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return self.page
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class MakeBookMark(models.Model):
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bookmark = models.ForeignKey(BookMark, related_name="bookmark", on_delete=CASCADE)
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user = models.ForeignKey(
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Profile, related_name="user_bookmark", on_delete=CASCADE, db_index=True
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)
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class Meta:
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unique_together = ["user", "bookmark"]
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verbose_name = _("make bookmark")
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verbose_name_plural = _("make bookmarks")
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