Question

I have a Profile model:

class Profile(db.Model):
    user = db.UserProperty(auto_current_user=True)
    bio = db.StringProperty()

I’d like to display the user’s existing bio in this view. If the user has no profile yet, I’d like to create it. Here’s what I have so far, which doesn’t work yet:

class BioPage(webapp2.RequestHandler):
    def get(self):
        user = users.get_current_user()
        if user:
            profile = Profile.get_or_insert(user=user) #This line is wrong
            profile.bio = "No bio entered yet."
            profile.save()
            self.response.headers['Content-Type'] = 'text/plain'
            self.response.out.write('Hello, ' + user.nickname() + '<br/>Bio: ' + profile.bio)
        else:
            self.redirect(users.create_login_url(self.request.uri))

How do I fix the incorrect line above? I know that get_or_insert() should take a key name, but I can’t figure out what that would be.

(Should the user field in Profile even be a db.UserProperty?)

Answer 1

You have to pass the key_name to get_or_insert(), in this case, like so:

profile = Profile.get_or_insert(key_name=user.email())

Note that since the user property is auto-populated because of the auto_current_user=True you don’t need to pass it to the get_or_insert() call. In your case you don’t need to pass anything but the key name.