I am not sure about your details but is my code structure. Note that the
signals are in the same file as the models (may be easier to start there
first).
from django.db.models.signals import post_save
class MyModel(Model):
id = AutoField(primary_key=True)
# etc.
def MyModel_postsave_handler(sender, **kwargs):
obj = kwargs['instance'] # object that was saved!
# add logic ...
post_save.connect(
MyModel_postsave_handler,
sender=MyModel,
dispatch_uid="mymodel.models")
I hope this simple example can help? Try to use pdb to see if the
postsave_handler function is reached.
On Thursday, 1 October 2020 at 01:04:55 UTC+2 Lightning Bit wrote:
> Thanks Derek!
>
> I tried using the signals but it is not working. This is how my signals
> and models looks:
>
> Signals.py:
> from django.contrib.auth.models import User
> from .models import *
> from django.db.models.signals import post_save
> from django.dispatch import receiver
> from django.contrib.auth.models import Group
>
>
>
>
> @receiver(post_save, sender=User)
> def subscription_group(sender, instance, created, **kwargs):
>
> if OrderItem.product == 'Subscription_Product':
> Order.complete == True
> group = Group.objects.get(name='subscribees')
> User.groups.add(group)
> print('New Subscribee Added')
>
>
> Models.py:
> from django.db import models
> from django.contrib.auth.models import User
>
> # Create your models here.
>
>
> class Customer(models.Model):
> user = models.OneToOneField(User, null=True, blank=True, on_delete
> =models.CASCADE )
> name = models.CharField(max_length=200, null=True)
> email = models.CharField(max_length=200, null=True)
> phone = models.CharField(max_length=200, null=True)
> profile_pic = models.ImageField(default="chicken_suit.gif" ,null=True
> , blank=True)
> data_created = models.DateTimeField(auto_now_add=True, null=True)
>
> @property
> def picURL(self):
> try:
> url = self.profile_pic.url
> except:
> url= ''
> return url
>
> def __str__(self):
> return self.name
>
> class Product(models.Model):
> name = models.CharField(max_length=200)
> price = models.FloatField()
> digital = models.BooleanField(default=False, null=True, blank=True
> )
> image = models.ImageField(null=True, blank=True)
> view = models.URLField(default=False, null=True, blank=True)
>
>
> def __str__(self):
> return self.name
> @property
> def imageURL(self):
> try:
> url = self.image.url
> except:
> url= ''
> return url
>
> class Order(models.Model):
> customer = models.ForeignKey(Customer, on_delete=models.SET_NULL, null
> =True, blank=True)
> date_ordered = models.DateTimeField(auto_now_add=True)
> complete = models.BooleanField(default=False)
> transaction_id = models.CharField(max_length=100, null=True)
>
> def __str__(self):
> return str(self.id)
>
> @property
> def get_cart_total(self):
> orderitems = self.orderitem_set.all()
> total = sum([item.get_total for item in orderitems])
> return total
>
> @property
> def get_cart_items(self):
> orderitems = self.orderitem_set.all()
> total = sum([item.quantity for item in orderitems])
> return total
>
> @property
> def shipping(self):
> shipping= False
> orderitems = self.orderitem_set.all()
> for i in orderitems:
> if i.product.digital == False:
> shipping = True
> return shipping
>
> class OrderItem(models.Model):
> product = models.ForeignKey(Product, on_delete=models.SET_NULL, null=
> True)
> order = models.ForeignKey(Order, on_delete=models.SET_NULL, null=True)
> quantity = models.IntegerField(default=0, null=True, blank=True)
> date_added = models.DateTimeField(auto_now_add=True)
> VALUE_ADDED_TAX = 6.0
> tax= VALUE_ADDED_TAX/100
>
>
> @property
> def get_total(self):
> total = self.product.price * self.quantity + (self.tax * self
> .product.price)
> return total
>
>
> When an individual purchases, the signal is not received and that
> individual is not added to the "subscribees" group.
>
> Any further suggestions?
>
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