I am using the following code, so that I can have different change lists that
depend on some variable. The way the stuff member does not have to manually
apply the filter each time he/she enters the list:
class CourseApplicationAdminS12(CourseParticipantAdmin):
year = 2012
def queryset(self, request):
req = super(CourseApplicationAdminS12, self).queryset(request)
return req.filter(course__period__start_date__year = self.year)
class Meta:
verbose_name_plural = _('Participant Summer 2012')
verbose_name = _('Participants Summer 2012’)
class CourseApplicationAdminS13(CourseParticipantAdmin):
year = 2013
def queryset(self, request):
req = super(CourseApplicationAdminS13, self).queryset(request)
return req.filter(course__period__start_date__year = self.year)
class Meta:
verbose_name_plural = _('Participant Summer 2013')
verbose_name = _('Participants Summer 2013')
def create_modeladmin(modeladmin, model, name = None):
class Meta:
proxy = True
app_label = model._meta.app_label
attrs = {'__module__': 'applications', 'Meta': Meta}
newmodel = type(name, (model,), attrs)
admin.site.register(newmodel, modeladmin)
return modeladmin
create_modeladmin(CourseApplicationAdminS12, name='Participation Summer %i' %
2012, model=CourseApplication)
create_modeladmin(CourseApplicationAdminS13, name='Participation Summer %i' %
2013, model=CourseApplication)
as you can see, I am creating a ModelAdmin and some proxy model and all that
differs it actually the name and the year attibute of the AdminClass, which
gets used in queryset to filter the objects.
This seems like a lot of coding for such a simple task. It works but seems not
to be right !?
Another idea that just comes to my mind is to have the filter in the Get
parameter and make links available in the admin interface?
Thanks!
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