CODEWITHSUNDEEP
pythondjangoformsdjango-modelsmodel
user2798841
user2798841

Reputation: 291

Adding username when submitting form on django

I am trying to store the username of the user currently logged in when they submit information on a form on a django website.

This is what my models.py file looks like so far:

from django.db import models
from django.contrib.auth.models import User

class Transfer(models.Model):
    id = models.AutoField(primary_key=True)
    username = User._meta.get_field('username')
    amount = models.DecimalField(max_digits=10, decimal_places=2)
    timestamp = models.DateTimeField(auto_now_add=True, auto_now=False)

however this doesn't seem to work. The migrations etc work fine and the server runs, but when I submit information on the form I get the following error:

Exception Type: IntegrityError
Exception Value: UNIQUE constraint failed: transfer_transfer.username

Any advice on how I could get the username to save would be very helpful.

Thanks in advance

Upvotes: 1

Views: 266

Answers (1)

Daniel Roseman
Daniel Roseman

Reputation: 599490

That declaration doesn't make any sense in a model definition. It might "work", in the sense that you get a field with the same properties as User.username, but it isn't doing anything useful; you could just as well define it directly as models.CharField.

Instead you need to define a ForeignKey from Transfer to User, and call it user; there is plenty of documentation on how to do this, and also plenty of questions here on how to fill in the user field automatically on form submission.

Upvotes: 1

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