import shopify

from django.db import models
from django.contrib.auth.models import AbstractBaseUser, BaseUserManager


class ShopUserManager(BaseUserManager):

    def create_user(self, myshopify_domain, domain, password = None):
        """
        Creates and saves a ShopUser with the given domains and password.
        """
        if not myshopify_domain:
            raise ValueError('ShopUsers must have a myshopify domain')

        user = self.model(
            myshopify_domain = myshopify_domain,
            domain = domain,
        )

        # Never want to be able to log on externally.
        # Authentication will be taken care of by Shopify OAuth.
        user.set_unusable_password()
        user.save(using = self._db)
        return user

    def create_superuser(self, myshopify_domain, domain, password):
        """
        Creates and saves a ShopUser with the given domains and password.
        """
        return self.create_user(myshopify_domain, domain, password)


class AbstractShopUser(AbstractBaseUser):
    myshopify_domain  = models.CharField(max_length = 255, unique = True)
    token             = models.CharField(max_length = 32)

    objects = ShopUserManager()

    USERNAME_FIELD  = 'myshopify_domain'

    @property
    def session(self):
        return shopify.Session.temp(self.myshopify_domain, self.token)

    def get_full_name(self):
        return self.myshopify_domain

    def get_short_name(self):
        return self.myshopify_domain

    def __unicode__(self):
        return unicode(self.get_full_name())

    class Meta:
        abstract = True
@@ -1106,16 +1106,34 @@
 e = True
+, editable = False
 )%0A    to
@@ -1182,16 +1182,34 @@
 gth = 32
+, editable = False
 )%0A%0A    o

Make custom user fields uneditable by default.