add lib

passbook/lib/models.py

@@ -0,0 +1,22 @@
+"""Generic models"""
+from uuid import uuid4
+
+from django.db import models
+
+
+class CreatedUpdatedModel(models.Model):
+    """Base Abstract Model to save created and update"""
+    created = models.DateField(auto_now_add=True)
+    last_updated = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        abstract = True
+
+
+class UUIDModel(models.Model):
+    """Abstract base model which uses a UUID as primary key"""
+
+    uuid = models.UUIDField(primary_key=True, editable=False, default=uuid4)
+
+    class Meta:
+        abstract = True