add some new data to device login data, first part of broker to stake holders assignment

apps/core/models.py

@@ -2,6 +2,7 @@ from django.db import models
 from django.conf import settings
 from crum import get_current_user
 from django.contrib.auth.models import AnonymousUser
+from .manager import SoftDeleteManager
 
 
 class BaseModel(models.Model):
@@ -24,6 +25,12 @@ class BaseModel(models.Model):
     creator_info = models.CharField(max_length=100, null=True)
     modifier_info = models.CharField(max_length=100, null=True)
     trash = models.BooleanField(default=False)
+    objects = SoftDeleteManager()  # filter all records with trash=False
+    all_objects = SoftDeleteManager().all_with_deleted()  # get all records
+
+    def soft_delete(self):
+        self.trash = True
+        self.save(update_fields=['trash'])
 
     class Meta:
         abstract = True