Hey, Benoit
You could set up a filter on your admin.py file. Like writing:
class Immunization(admin.ModelAdmin):
list_filter = ('vaccine', 'recorded')
On Friday, August 23, 2019 at 2:19:35 PM UTC+3, Benoit Dupont wrote:
>
> Hello,
>
> I've played a lot of time with Django and it's a great tool for basic
> query but I don't figure out how to play with Django to do a query spanning
> between a lot of models.
>
> This is the query I do to display all Animals and their corresponding
> Vaccines with Encounter.status 'in-progress' and the Immunization date is
> in the futur.
>
>
> def current_with_futur_vaccines(self):
>
> return (
>
> Encounter.objects.filter(
>
> status="in-progress").filter(
>
> subject__immunizations__recorded__gte=datetime.now(),
>
> )
>
> .select_related("subject")
>
> .prefetch_related("subject__immunizations", "location")
>
> )
>
>
> {% for immunization in object.subject.immunizations.all %}
>
> {{ immunization }}
>
> {% endfor %}
>
>
> The things is when I want to list the Immunizations from the query I get
> all the Immunizations for this animal and not only the Immunizations that
> have to take place in the futur like I said in the query. I guess it's
> because of the .all() and what I need is more something like
> Encounter.subject.immunization_set()
>
>
> This is the model
>
>
>
> class Animal(models.Model):
>
> name = models.CharField(max_length=250)
>
>
>
> class Encounter(models.Model):
>
> subject = models.ForeignKey(Animal, on_delete=models.PROTECT)
>
> status = models.CharField(max_length=11)
>
>
>
> class Vaccine(models.Model):
>
> name = models.CharField(max_length=250)
>
>
> class Immunization(models.Model):
>
> subject = models.ForeignKey(
>
> Animal, on_delete=models.PROTECT, related_name="immunizations"
>
> )
>
> recorded = models.DateTimeField(default=timezone.now)
>
> vaccine = models.ForeignKey(Vaccine, on_delete=models.PROTECT)
>
>
> Thanks for your help
>
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