Foreign key의 choice 제한걸기

- 모델폼의 choice를 활용함

Model

class ShopCategory(models.Model):
    category = models.CharField(max_length=50, verbose_name='카테고리명')

    class Meta:
        verbose_name = '카테고리'
        verbose_name_plural = verbose_name
        
        
class ShopProduct(models.Model):
    name = models.CharField(max_length=100, verbose_name='상품이름')
    point = models.IntegerField(verbose_name='가격')
    category = models.ForeignKey(ShopCategory, on_delete=models.CASCADE, null=True, verbose_name='상품카테고리')
        
    class Meta:
        verbose_name = '포인트 제품'
        verbose_name_plural = verbose_name

Form

def get_shopcategory_choice():
    choices = ShopCategory.objects.all()

    return choices

class ShopForm(forms.ModelForm):
    class Meta:
        model = ShopProduct
        fields = ('name', 'point', 'category', )
        
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields['name'].widget.attrs.update({'class': 'form-control'})
        self.fields['point'].widget.attrs.update({'class': 'form-control'})
        self.fields['category'].choices = get_shopcategory_choice()

View

class ShopCreateView(generic.CreateView):
    template_name = 'help/admin/shop_register.html'
    success_url = reverse_lazy('admin-help:shop_list')
    model = ShopProduct
    fields = ('category', 'name', 'point',)