User menu

* adds user notifications and management

user/models.py

@@ -1,3 +1,38 @@
+from django.contrib.auth.models import User
 from django.db import models
 
-# Create your models here.
+from user.enums import UserNotificationEnum
+
+
+class UserNotification(models.Model):
+    """ Notifications for users
+
+    """
+    id = models.CharField(
+        max_length=500,
+        null=False,
+        blank=False,
+        choices=UserNotificationEnum.as_choices(drop_empty_choice=True),
+        primary_key=True,
+    )
+    name = models.CharField(
+        max_length=500,
+        null=False,
+        blank=False,
+        unique=True,
+        help_text="Human readable name"
+    )
+    is_active = models.BooleanField(default=True, help_text="Can be toggle to enable/disable this notification for all users")
+
+    def __str__(self):
+        return self.name
+
+
+class KonovaUserExtension(models.Model):
+    """ Extension model for additional ksp features
+
+    Extends the default user model for some extras
+
+    """
+    user = models.OneToOneField(User, on_delete=models.CASCADE)
+    notifications = models.ManyToManyField(UserNotification, related_name="+")