我想用当前用户过滤 ModelChoiceField 。我找到了一个非常接近我想做的解决方案,但我不明白 Django:如何在管理表单中获取当前用户?
接受的答案说
“我现在可以通过访问 self.current_user 来访问 forms.ModelForm 中的当前用户”
--admin.py
class Customer(BaseAdmin):
form = CustomerForm
def get_form(self, request,obj=None,**kwargs):
form = super(Customer, self).get_form(request, **kwargs)
form.current_user = request.user
return form
--forms.py
class CustomerForm(forms.ModelForm):
default_tax = forms.ModelChoiceField(
queryset=fa_tax_rates.objects.filter(tenant=????)
)
class Meta:
model = fa_customers
如何获取 modelchoice queryset 上的当前用户(tenant=????) 如何在 modelform(forms.py) 中调用 self.current_user
重写
__init__
的 CustomerForm
构造函数:
class CustomerForm(forms.ModelForm):
...
def __init__(self, *args, **kwargs):
super(CustomerForm, self).__init__(*args, **kwargs)
self.fields['default_tax'].queryset =
fa_tax_rates.objects.filter(tenant=self.current_user))
表单字段定义中的查询集可以安全地设置为
all()
或 none()
:
class CustomerForm(forms.ModelForm):
default_tax = forms.ModelChoiceField(queryset=fa_tax_rates.objects.none())
只是总结解决方案,因为我很难完成这项工作并理解接受的答案
在admin.py中
class MyModelForm (forms.ModelForm):
def __init__(self, *args,**kwargs):
super (MyModelForm ,self).__init__(*args,**kwargs)
#retrieve current_user from MyModelAdmin
self.fields['my_model_field'].queryset = Staff.objects.all().filter(person_name = self.current_user)
#数据库中的人名必须与 Django User 中的相同,否则使用类似 person_name__contains 的内容
class MyModelAdmin(admin.ModelAdmin):
form = MyModelForm
def get_form(self, request, *args, **kwargs):
form = super(MyModelAdmin, self).get_form(request, *args, **kwargs)
form.current_user = request.user #get current user only accessible in MyModelAdminand pass it to MyModelForm
return form