I have a tough problem representing my data model
with Django when using the standard Admin Interface.
I need to represent the concept of a callgroup: a list
of items (either persons or, again, callgroups) to
which phone calls should be dispatched in a given sequence.
The model is illustrated at the end of this mail.
However, when I try to use the Admin interface it seems to get
confused:
1. If I set editable=False in callgroup_owner the Admin interface
gets confused because there are two foreign keys from CallgroupItem
to Callgroup: callgroup_owner and callgroup_member. In fact the
Admin interface shows a TABULAR list of Callgroup items and, also,
a STACKED list (however, only one should be shown).
2. If I set editable=True in callgroup_owner when I try to Add a new
callgroup I get KeyError exception with the following offending
template line:
{% for related_object in inline_related_objects %} ...
I'm using version 0.96-pre of Django.
It seems that Django has some serious restrictions when there are
two foreign keys pointing to the same Model and one of them has
the edit_inline attribute set.
Does anyone have any idea of if/what I'm doing wrong? Is this a bug in
Django and I should report it?
=== My models.py file ===
class Person (models.Model):
name = models.CharField(maxlength=15)
class Callgroup (models.Model):
name = models.CharField(maxlength=15)
class Admin:
pass
class CallgroupItem (models.Model):
sequence = models.IntegerField(core=True)
# Owner of this callgroup item
callgroup_owner = models.ForeignKey(Callgroup,
related_name="callgroup_owner",
editable=False, # Error even if True
edit_inline=models.TABULAR,
)
# Callgroup to be called (if not NULL)
callgroup_member = models.ForeignKey(Callgroup,
related_name="callgroup_member",
null=True, blank=True,
)
# Person to be called (if not NULL)
person_member = models.ForeignKey(Person,
related_name="person_member",
null=True, blank=True
)
--
Mario Graziosi, mailto:[EMAIL PROTECTED]
FG&A srl (http://www.fgasoftware.com/)
[EMAIL PROTECTED]: The agile PBX (http://www.voiceatwork.eu/)
Tel: 02 9350-4780 interno 101, Fax: 02 9350-0178
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