feat: added models.py file and moved BaseModel in here

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