text: from django.db import models
  from django.contrib.auth.models import AbstractBaseUser
  from django.contrib.auth.models import PermissionsMixin
  from django.contrib.auth.models import BaseUserManager
  
  
  # Create your models here.
  class UserProfileManager(BaseUserManager):
      """Manager user profile"""
      def create_user(self,email,name,password=None):
          """new user profile"""
          if not email:
              raise ValueError('User must have email address')
          
          email = self.normalize_email(email)
          user = self.model(email=email, name = name )
          
          user.set_password(password)
          user.save(using=self.db)
          
          return user
      
      def create_superuser(self,email,name,password):
      
          user = self.create_user(email,name,password)
      
          user.is_superuser = True
          user.is_staff = True
          user.save(using=self.db)
      
          return user
           
  
  
  class UserProfile(AbstractBaseUser,PermissionsMixin):
      
      """ Database model for users in the system. """
      
      email = models.EmailField(max_length=255, unique=True)
      name = models.CharField(max_length=255)
      is_active = models.BooleanField(default=True)
      is_staff = models.BooleanField(default=False)
      
      
      objects = UserProfileManager()
      
      USERNAME_FIELD = 'email'
      REQUIRED_FIELDS = ['name']
      
      
      def get_full_name(self): 
          """Return name of user"""
          
          return self.name
      
      def get_short_name(self):
          """retrive short name"""   
          
          return self.name
      
      def __str__(self):
          """return string represenatation of our user"""
          return self.email