In my app I have a model, "Review," that uses a different (ForeignKey)
citation form depending on the type of thing I'm reviewing. I'd like
to be able to call a different ForeignKey dynamically based on the
citation type but keep running into a bunch of errors.
Here's my current "Review" model code, which I'd like to "unkludge":
----------------
from myproject.citations.models import Book, Movie, Music, Other
class Review(models.Model):
title = models.CharField(maxlength=200)
pub_date = models.DateTimeField('publication date')
summary = models.CharField(maxlength=250)
body = models.TextField(help_text='Use Markdown.')
slug = models.SlugField(prepopulate_from=('title',),
unique_for_date='pub_date')
is_public = models.BooleanField('published', default=True)
#### Can I merge these?
book_citation = models.ForeignKey(Book, null=True)
movie_citation = models.ForeignKey(Movie, null=True)
music_citation = models.ForeignKey(Music, null=True)
other_citation = models.ForeignKey(Other, null=True)
####
objects = models.Manager()
topics = models.ManyToManyField(Topic,
filter_interface=models.HORIZONTAL)
-------------------
Since I'm only reviewing one thing in each Review, it'd be possible to
change ForeignKey to OneToOneField, but (aside from likely changes to
the way Django handles one-to-one relationships), that doesn't change
my predicament.
I'd appreciate any help you can offer!
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