add created_at field

Author: nkonin

advanced_filters/admin.py

@@ -113,7 +113,7 @@ class AdvancedFilterAdmin(admin.ModelAdmin):
     extra = 0
 
     list_display = ('title', 'created_by', )
-    readonly_fields = ('created_by', 'model', )
+    readonly_fields = ('created_by', 'model', 'created_at', )
 
     def has_add_permission(self, obj=None):
         return False

advanced_filters/migrations/0002_advancedfilter_created_at.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('advanced_filters', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='advancedfilter',
+            name='created_at',
+            field=models.DateTimeField(auto_now_add=True, null=True),
+        ),
+    ]

advanced_filters/models.py

@@ -21,6 +21,7 @@ class Meta:
     title = models.CharField(max_length=255, null=False, blank=False)
     created_by = models.ForeignKey(settings.AUTH_USER_MODEL,
                                    related_name='created_advanced_filters')
+    created_at = models.DateTimeField(auto_now_add=True, null=True)
     url = models.CharField(max_length=255, null=False, blank=False)
     users = models.ManyToManyField(settings.AUTH_USER_MODEL, blank=True)
     groups = models.ManyToManyField('auth.Group', blank=True)