[英]how to get specific users from django user in another model
我在這個模型中有一個名為UserTypes的模型,我使用User作為OneToOne字段, UserTypes模型與User模型一致。 我創建了這個模型,為用戶提供了一個狀態,就像我們做的那樣is_staff = True。 現在我想在另一個名為Order的模型中顯示其staff_status =“Delivery Boy”的所有用戶,該模型位於同一項目的另一個應用程序中
model.py(APP1)
class UserTypes(models.Model):
user = models.OneToOneField(User, on_delete=models.CASCADE)
staff_choices = (
('', ''),
('Admin', 'Admin'),
('Chef', 'Chef'),
('Delivery Boy', 'Delivery Boy'),
)
staff_status = models.CharField(max_length=15, choices=staff_choices, default=staff_choices[0][0])
def __str__(self):
return self.staff_status
model.py(應用)
class Order(models.Model):
name = models.CharField(max_length=60)
email = models.EmailField(max_length=60,default=None, blank=True)
mobile_no = models.CharField(max_length=13, default=None)
address = models.CharField(max_length=150)
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
status_choices = (
('In Queue', 'In Queue'),
('Processing', 'Processing'),
('Ready', 'Ready'),
('Delivered', 'Delivered'),
('Paid', 'Paid'),
('Cancelled', 'Cancelled'),
)
status = models.CharField(max_length=15, choices=status_choices,
default=status_choices[0][0])
total = models.DecimalField(max_digits=10, decimal_places=2,default=0)
class Meta:
ordering = ('created', )
def __str__(self):
return 'Order {}'.format(self.id)
def get_total(self):
return sum(item.get_cost() for item in self.items.all())
在app2 models.py文件中添加一個字段,用於在orders表中存儲usertype:
from app1.models import UserTypes
user = models.OneToOneField(UserTypes, on_delete=models.CASCADE)
將此代碼添加到app2的admin.py文件中:
from app1.models import UserTypes
from .models import Order
class OrderAdmin(admin.ModelAdmin):
def get_form(self, request, obj=None, **kwargs):
form = super(OrderAdmin,self).get_form(request, obj,**kwargs)
# form class is created per request by modelform_factory function
# so it's safe to modify
# we modify the the queryset
form.base_fields['user'].queryset =
form.base_fields['user'].queryset.filter(staff_choices='Delivery Boy')
return form
admin.site.register(Order, OrderAdmin)
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