from django.contrib.auth.models import User

class ModelOne1(models.Model):
    VALUE1 = 'value1'
    VALUE2 = 'value2'
    DAYS = (
        (VALUE1, 'value1'),
        (VALUE2, 'value2'),
    )
    user = models.ForeignKey(User, on_delete=models.CASCADE, null=True)
    days = models.CharField(max_length=7, choices=DAYS, default=VALUE1)

    def is_upperclass(self):
        return self.days in (self.VALUE1, self.VALUE2)


class ModelTwo2(models.Model):
    VALUE1 = 'value1'
    VALUE2 = 'value2'
    DAYS = (
        (VALUE1, 'value1'),
        (VALUE2, 'value2'),
    )
    user = models.ForeignKey(User, on_delete=models.CASCADE, null=True)
    days = models.CharField(max_length=7, choices=DAYS, default=VALUE1)

    def is_upperclass(self):
        return self.days in (self.VALUE1, self.VALUE2)

class Allmodels(models.Model):
    model1 = models.ForeignKey(ModelOne1, on_delete=models.CASCADE, null=True)
    model2 = models.ForeignKey(ModelTwo2, on_delete=models.CASCADE, null=True)

from django import forms
from .models import ModelOne1, ModelTwo2
from django.contrib.auth.models import User

class FormOfModel1(forms.ModelForm):
    class Meta:
        model  = ModelOne1
        fields = ['days']
        widgets = {
            'user': forms.ModelChoiceField(queryset=User.objects.all()),
            'days': forms.Select(attrs={'class':'x'}),
        }


 class FormOfModel2(forms.ModelForm):
     class Meta:
         model  = ModelTwo2
         fields = ['days']
         widgets = {
             'user': forms.ModelChoiceField(queryset=User.objects.all()),
             'days': forms.Select(attrs={'class':'x'}),
         }

class AllView(ListView):
     model = Allmodels
     template_name = 'x/allview_list.html'

     def get_queryset(self):
         return Allmodels.objects.filter(user=self.request.user)

Allmodels.objects.filter(user=self.request.user)