I am working on my Checkout view with regular/guest user but getting hard
time to come around the integrity error. Idea is to let guest users
register with email only to checkout and I need to set the user email
unique.
models.py
*from django.conf import settings
from django.db import models
class UserCheckout(models.Model):
user = models.OneToOneField(settings.AUTH_USER_MODEL, null=True, blank=True)
email = models.EmailField(unique=True)
def __unicode__(self):
return self.email*
forms.py
*from django import forms
from django.contrib.auth import** get_user_model*
*User=get_user_model()
class GuestCheckoutForm(forms.Form):
email = forms.EmailField()
email2 = forms.EmailField(label='Verify Email')
def clean_email2(self):
email = self.cleaned_data.get("email")
email2 = self.cleaned_data.get("email2")
if email == email2:
user_exists = User.objects.filter(email=email).count()
if user_exists != 0:
raise forms.ValidationError("User already exists. Please login
instead")
return email2
else:
raise forms.ValidationError("Please confirm emails addresses are
the same.")*
In my cart views this is how I've rendered my form.
*def post(self, request, *args, **kwargs):
self.object = self.get_object()
form = self.get_form()
if form.is_valid():
email = form.cleaned_data.get("email")
user_checkout = UserCheckout.objects.create(email=email)
return self.form_valid(form)
else:
return self.form_invalid(form)*
I've registered the model with admin and in admin it shows the error for
duplication perfectly fine but from frontend I am getting error below:
*IntegrityError at /checkout/
column email is not unique
Request Method: POST
Request URL: http://localhost:8000/checkout/
Django Version: 1.8.13
Exception Type: IntegrityError
Exception Value:
column email is not unique
Exception Location:
C:\Users\Ali\ecomm\lib\site-packages\django\db\backends\sqlite3\base.py in
execute, line 318
Python Executable: C:\Users\Ali\ecomm\Scripts\python.EXE
Python Version: 2.7.9*
Please advise.
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