Now that we are able to log in and log out of our application, we need to add another page so the users can create accounts on our application and place orders.
There are some rules that we want to enforce when creating a new account. The rules are:
- The username field is required, and it has to be unique to our application
- The email field is required, and it has to be unique to our application
- The last and first name are required
- Both password fields are required, and they must match
If any of these rules are not followed, we will not create the user account, and an error should be returned to the user.
With that said, let's add a small helper function that will verify whether a field has a value that already exists in the database. Open the file forms.py in gamestore/main. First, we need to import the User model:
from django.contrib.auth.models import User
Then, add the validate_unique_user function:
def validate_unique_user(error_message, **criteria):
existent_user = User...