[chore] Global project refactoring

backend/project/api/notifications/admin.py

@@ -0,0 +1,31 @@
+from django.contrib import admin
+from notifications import models
+from notifications.forms import (
+    CreateNotificationAdminForm,
+    EditNotificationAdminForm,
+)
+
+
+class NotificationAdmin(admin.ModelAdmin):
+    form = EditNotificationAdminForm
+    add_form = CreateNotificationAdminForm
+    list_display = [
+        models.Notification.title.field.name,
+        models.Notification.user.field.name,
+        models.Notification.content.field.name,
+        models.Notification.read.field.name,
+        models.Notification.created_at.field.name,
+    ]
+
+    def get_readonly_fields(self, request, obj=None):  # noqa: ARG002
+        if obj:
+            return (
+                *self.readonly_fields,
+                models.Notification.read.field.name,
+                models.Notification.created_at.field.name,
+            )
+
+        return self.readonly_fields
+
+
+admin.site.register(models.Notification, NotificationAdmin)