Shameless bump.
Althought the original post is long, I assure you it's easy to understand.
Any suggestions?
Cheers,
André Terra
On Tue, Jul 19, 2011 at 2:58 PM, Andre Terra <andrete...@gmail.com> wrote:
> Hello, everyone
>
> Assume the following models (dpaste.com [1]):
>
> class Account(models.Model):
> """
> Account model for categorizing entries from each SAP import,
> and eventually sorting, grouping, filtering data.
>
> """
> code = models.CharField(max_length=255, primary_key=True)
>
> group = models.ForeignKey('AccountGroup', blank=True, null=True,
> related_name='groups')
>
> description = models.CharField(max_length=512, blank=True, null=True)
>
>
> class AccountGroup(models.Model):
> name = models.CharField(max_length=512, blank=True, null=True,
> verbose_name=_('Name'))
>
> parent = models.ForeignKey('AccountGroup', blank=True, null=True,
> related_name='children')
>
> is_subgroup = models.BooleanField(default=False, editable=False)
>
> def save(self, *args, **kwargs):
> self.is_subgroup = False
>
> if self.parent is not None:
> self.is_subgroup = True
>
> return super(AccountGroup, self).save(*args, **kwargs)
>
> I would like to be able to manually specify an order for AccountGroups in
> relation to their siblings, so that I can have a final result of something
> like the following pic (which describes a set of groups and accounts, with
> the latter being the rightmost, M000000000-format codes.
>
> http://img200.imageshack.us/img200/9423/groupsandaccounts.png
>
>
> As you can see from the picture, accounts can be located under any number
> of groups, and neither Accounts nor AccountGroups are not sorted naturally.
>
> Short of using something like django-treebeard[3], how can I write a
> solution for this use case?
>
> Thanks in advance for all your help!
>
>
> Cheers,
> André Terra
>
>
> [1] http://dpaste.com/hold/571566/
> [2]
> https://docs.djangoproject.com/en/dev/ref/models/fields/#commaseparatedintegerfield
> [3] https://tabo.pe/projects/django-treebeard/docs/1.52/
>
>
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