Hi,
As a pretty new user, I have been through the tutorials and experienced
a bit, playing with magic-removal branch before the merge.
(Note to the impatient: my question is at the end of the mail)
I'd like to build a light ticket management system for my work team, and
came up with the following model pattern (fields missing):
class Application(models.Model):
""" The system manages a few applications. """
name = models.CharField(...)
class Milestone(models.Model):
""" Each application has milestones. """
name = models.CharField(...)
application = models.ForeignKey(Application)
class Ticket(models.Model):
""" Tickets are created on an application and may be attached to a
milestone (optional). """
name = models.CharField(...)
application = models.ForeignKey(Application)
milestone = models.ForeignKey(milestone, blank=True, null=True)
Problems start when I use the admin interface, or when I play with
generic views:
Tickets may be created on application A, but attached to a milestone
linked to application B!!
I need to make sure tickets are attached to milestones belonging to the
application they are created on.
How may I do this? As I said, I have not yet been deeply in the Django
code, but documentation does not enlighten me:
- Shall I hack the Ticket AddManipulator in my creation view? (I find
this ugly).
- May I create a custom Manipulator ? (How?)
- Is there something to do with the Manager? (Again, how?)
- Something to tweak in my models definition of ForeignKey fields?
- Or am I having it all wrong from the start :-) ?
Thanks for the support,
Vincent.
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