refactor: rename app from itsm -> app

used app as this is a root application and not a django project app

!1

app/access/fields.py

@@ -0,0 +1,56 @@
+from django.db import models
+from django.utils.timezone import now
+from django.template.defaultfilters import slugify
+
+class AutoCreatedField(models.DateTimeField):
+    """
+    A DateTimeField that automatically populates itself at
+    object creation.
+
+    By default, sets editable=False, default=datetime.now.
+
+    """
+
+    def __init__(self, *args, **kwargs):
+
+        kwargs.setdefault("editable", False)
+
+        kwargs.setdefault("default", now)
+
+        super().__init__(*args, **kwargs)
+
+
+class AutoLastModifiedField(AutoCreatedField):
+    """
+    A DateTimeField that updates itself on each save() of the model.
+
+    By default, sets editable=False and default=datetime.now.
+
+    """
+
+    def pre_save(self, model_instance, add):
+
+        value = now()
+
+        setattr(model_instance, self.attname, value)
+
+        return value
+
+
+class AutoSlugField(models.SlugField):
+    """
+    A DateTimeField that updates itself on each save() of the model.
+
+    By default, sets editable=False and default=datetime.now.
+
+    """
+
+    def pre_save(self, model_instance, add):
+
+        value = self.name.lower().replace(' ', '_')
+
+        setattr(model_instance, self.attname, value)
+
+        return value
+
+