From ba0e83ca9c4987ec68d1ff6f83ebc39305339d15 Mon Sep 17 00:00:00 2001
From: Sadman Sakib <sadman@Sadmans-MacBook-Air.local>
Date: Fri, 8 Mar 2024 17:54:14 +0600
Subject: [PATCH] feat: added models.py file and moved BaseModel in here

---
 common/models.py | 84 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 common/models.py

diff --git a/common/models.py b/common/models.py
new file mode 100644
index 0000000..49854e1
--- /dev/null
+++ b/common/models.py
@@ -0,0 +1,84 @@
+# Standard library imports
+import uuid
+
+# Django imports
+from django.conf import settings
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+# Django Rest Framework imports
+
+# Third party imports
+
+# Local imports
+
+user_model = settings.AUTH_USER_MODEL
+
+
+class IsDeletedManager(models.Manager):
+    def get_queryset(self):
+        return super().get_queryset().filter(is_deleted=False)
+
+
+class BaseModel(models.Model):
+    """
+    Tracks instance creations, updates, and (soft) deletions.
+    """
+
+    uuid = models.UUIDField(
+        verbose_name=_("UUID"), unique=True, default=uuid.uuid4, editable=False
+    )
+
+    created_by = models.ForeignKey(
+        to=user_model,
+        verbose_name=_("Created by"),
+        null=True,
+        blank=True,
+        related_name="%(class)s_created",
+        on_delete=models.SET_NULL,
+    )
+
+    created_at = models.DateTimeField(
+        verbose_name=_("Created at"),
+        auto_now_add=True,
+        editable=False,
+        db_index=True,
+    )
+
+    updated_by = models.ForeignKey(
+        to=user_model,
+        verbose_name=_("Updated by"),
+        null=True,
+        blank=True,
+        related_name="%(class)s_updated",
+        on_delete=models.SET_NULL,
+    )
+
+    updated_at = models.DateTimeField(
+        verbose_name=_("Updated at"),
+        auto_now=True,
+        null=True,
+        blank=True,
+    )
+
+    deleted_by = models.ForeignKey(
+        to=user_model,
+        verbose_name=_("Deleted by"),
+        null=True,
+        blank=True,
+        related_name="%(class)s_deleted",
+        on_delete=models.SET_NULL,
+    )
+
+    deleted_at = models.DateTimeField(
+        verbose_name=_("Deleted at"), null=True, blank=True, default=None
+    )
+
+    is_deleted = models.BooleanField(verbose_name=_("Is deleted"), default=False)
+
+    objects = IsDeletedManager()
+
+    objects_all = models.Manager()
+
+    class Meta:
+        abstract = True