In the API documentation it says:
Many-to-many relationships
"Both ends of a many-to-many relationship get automatic API access to
the other end. The API works just as a "backward" one-to-many
relationship.
The only difference is in the attribute naming: The model that defines
the ManyToManyField uses the attribute name of that field itself,
whereas the "reverse" model uses the lowercased model name of the
original model, plus '_set' (just like reverse one-to-many
relationships)."
Problem is, the examples it goes on to give of all the things that you
can do with a M2M model need more knowledge of Python than I have. So
can somebody point me in the right direction?
Here are my models(abbreviated):
class Category (models.Model):
category = models.CharField (maxlength = 100)
slug = models.CharField(maxlength=50, unique=True,
prepopulate_from=('category',))
class Meta:
verbose_name_plural = "categories"
def __str__(self):
return self.category
def get_absolute_url(self):
return self.slug
class Organisation (models.Model):
org_name = models.CharField ('Organisation', maxlength = 200)
categories = models.ManyToManyField (Category, filter_interface
=models.HORIZONTAL)
def __str__(self):
return self.org_name
def get_absolute_url(self):
return self.slug
Now, using the category_list and/or category_detail GENERIC templates,
what on earth do I put in to return a list of Organisations by
Category?
The site's (half)-live here:
http://www.ketteringcommunity.com/directory
(Just so that all the kind folks who have helped me so far on this list
can see I'm getting somewhere...)
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