Re: Benefit of 'return Foo.objects.all()' in a ListView

That's what regroup is for
https://docs.djangoproject.com/en/1.10/ref/templates/builtins/#regroup

2017-02-25 12:42 GMT+01:00 Richard Jackson <rjackson87@gmail.com>:
> Apologies if this is too off-topic, but in the case of using a
> get_queryset() as below:
>
> class MyBlogPosts(generic.ListView):
> def get_queryset(self, request):
> return self.model.objects.filter(user=self.request.user)
>
> ...is it possible to return two uniquely identifiable sets - for example, if
> a model has a function which returns True or False, to return one set for
> all the True and one for all the False?
>
> Right now I'm splitting them in the template in something such as the below:
>
> <h2>True ones</h2>
> {% for p in object_list %} <!-- This would ideally be a set called
> 'object_list_true' -->
> <ul>
> {% if p.true_or_false == True %}
> <li>{{ p.foo }}</li>
> {% endif %}
> </ul>
> {% endfor %}
>
> <h2>False ones</h2>
> {% for p in object_list %} <!-- This would ideally be a set called
> 'object_list_false' -->
> <ul>
> {% if p.true_or_false == False %}
> <li>{{ p.foo }}</li>
> {% endif %}
> </ul>
> {% endfor %}
>
>
> Thanks, and apologies for the constant basic questions!
>
> Rich
>
>
>
> On Saturday, February 25, 2017 at 9:32:32 AM UTC, Melvyn Sopacua wrote:
>>
>> Hi Richard,
>>
>> On Friday 24 February 2017 15:51:15 Richard Jackson wrote:
>>
>> > What is the advantage of including the get_queryset(self) function in
>> > a ListView? When I've run it with a very basic model ('Foo') there
>> > doesn't appear to be any difference with/without it - this could well
>> > be that my examples are currently too basic.
>>
>> There is none. The benefit of the get_queryset() method is that you can
>> return something other than Foo.objects.all(). For example:
>>
>> class MyBlogPosts(generic.ListView):
>> def get_queryset(self, request):
>> return self.model.objects.filter(user=self.request.user)
>> --
>> Melvyn Sopacua
>
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Cordialement, Coues Ludovic
+336 148 743 42

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