[英]How can I filter users as a choice in a foreign key django forms?
I'm stuck with a problem to filter project managers from a foreign key field in django forms.我遇到了从 django forms 中的外键字段过滤项目经理的问题。 I want to exclude superusers and other user roles except project manager.
我想排除超级用户和项目经理以外的其他用户角色。
Models.py模型.py
class Projects(models.Model):
id=models.AutoField(primary_key=True)
project_name=models.CharField(max_length=255)
project_manager=models.ForeignKey(CustomUser,on_delete=models.CASCADE, limit_choices_to={'is_project_manager__eq : 1 '})
client_name=models.ForeignKey(Clients,on_delete=models.CASCADE, null=True)
project_pic=models.ImageField(upload_to='static/website/project-images')
project_start_date=models.DateField(null=True)
project_end_date=models.DateField(null=True)
project_description=models.TextField(null=True)
created_at=models.DateTimeField(auto_now_add=True)
updated_at=models.DateTimeField(auto_now=True)
is_draft = models.BooleanField(default=True)
objects=models.Manager()
class Meta:
verbose_name_plural = 'Project'
def __str__(self):
return f'{self.project_name}'
Forms.py Forms.py
class ProjectForm(forms.ModelForm):
class Meta:
model = Projects
fields = ['project_name', 'project_manager', 'client_name', 'project_pic', 'project_start_date', 'project_end_date', 'project_description']
Views.py视图.py
def project_list(request):
projects = Projects.objects.all()
if request.method == 'POST':
form = ProjectForm(request.POST, request.FILES)
if form.is_valid():
form.save()
project_name = form.cleaned_data.get('project_name')
messages.success(request, f'{project_name} has been successfully added.')
return redirect('project_list')
else:
form = ProjectForm()
context = {
'projects' : projects,
'form' : form,
}
template_name ='project-admin/project-list.html'
return render(request, template_name, context)
CustomUser/Models.py自定义用户/模型.py
Here is their own roles to set them as a project manager, inventory admin, and client
这是他们自己的角色,可将他们设置为项目经理、库存管理员和客户
class CustomUser(AbstractUser):
is_inventory_admin = models.BooleanField('Is Inventory Admin', default=False)
is_project_manager = models.BooleanField('Is Project Manager', default=False)
is_client = models.BooleanField('Is Client', default=False)
class Meta:
db_table = 'auth_user'
You check the condition with:您检查条件:
class Projects(models.Model):
# …
project_manager = models.ForeignKey(
CustomUser,
on_delete=models.CASCADE,
limit_choices_to={'is_project_manager': True}
)
# …
you can also explicitly exclude is_inventory_admin=True
and is_client=True
(in case a CustomUser
can be two or three at the same time), with:您还可以明确排除
is_inventory_admin=True
和is_client=True
(如果CustomUser
可以同时是两个或三个),具有:
class Projects(models.Model):
# …
project_manager = models.ForeignKey(
CustomUser,
on_delete=models.CASCADE,
limit_choices_to={'is_project_manager': True, 'is_inventory_admin': False, 'is_client': False}
)
# …
Note : It is normally better to make use of the
settings.AUTH_USER_MODEL
[Django-doc] to refer to the user model, than to use theUser
model [Django-doc] directly.注意:通常使用
settings.AUTH_USER_MODEL
[Django-doc]引用用户 model 比直接使用User
model [Django-doc] 更好。 For more information you can see the referencing theUser
model section of the documentation .有关更多信息,您可以查看参考文档的
User
model部分。
Note : normally a Django model is given a singular name, so
Project
instead of.Projects
注意:通常 Django model 被赋予一个单数名称,因此
Project
而不是。Projects
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