I'm trying to get a very simple relationship to work but I can't figure
ou how to do this in Django.
This is what I want.
Poll ---<< question
Poll ---<< vote
A user can vote a poll just once. I check this using a function which
gets the remote ip.
This is the models.py snippet
class Poll(models.Model):
question = models.CharField('vraag', maxlength=200)
pub_date = models.DateTimeField('publicatie datum')
def has_remote_addr_voted(self, ip):
result = False
if (self.vote_set.filter(voter_ip = ip).count() > 0):
result = True
return result
class Admin:
fields = (
(None, {'fields': ('question','pub_date',)}),
)
pass
class Choice(models.Model):
poll = models.ForeignKey(Poll, edit_inline=models.TABULAR,
num_in_admin=3)
choice = models.CharField(maxlength=200, core=True)
votes = models.IntegerField(core=True)
class Vote(models.Model):
poll = models.ForeignKey(Poll, edit_inline=models.TABULAR,
num_in_admin=3)
voter_ip = models.IPAddressField(core=True)
choice = models.ForeignKey(Choice, edit_inline=models.TABULAR,
num_in_admin=3)
class Meta:
unique_together = (("poll", "voter_ip"),)
The model is correct but the problem occurs in admin.
Editing a poll you get the related choices and votes. For a vote you
can select a choice from a list which contains all choices, not the
choices for the current poll.
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