when using Multi-table inheritance, how do i know what type is the
child?
My models :-
class Node(models.Model):
title = models.CharField(max_length=200)
pub_date = models.DateTimeField('date published',
default=datetime.datetime.today())
isfp = models.BooleanField("Show on Frontpage", default=True)
def __unicode__(self):
return self.title.strip()
class Article(Node):
Story = models.TextField(blank=True, null=True)
class Image(Node):
file = models.ImageField(upload_to='pics/', blank=True, null=True)
caption = models.TextField(blank=True, null=True)
source = models.CharField(max_length=20)
text = models.TextField(blank=True, null=True)
There will be many more like videos, etc... The reason ive used one
parent class is because ill be having a lot more common attributes to
it.
Now how do i define a method or some way of knowing what child the
"Node" contains? so it can be parsed accordingly in the template?
Ideally, when presenting the content lists, id like to have everything
in a single loop. example :
{% for node in nodes %}
{% ifequal node.get_type "article" %}
-- process layout for article--
{% endifequal %}
{% ifequal node.get_type "image" %}
---process layout for image---
{% endifequal %}
{% endfor %}
One way to do this would be to add a "type" field in Node (the parent)
class, but then there is a scope of human error when adding stuff.
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