Add created at field, and Migrations for ordering

library/migrations/0028_alter_author_options_alter_publisher_options_and_more.py

+# Generated by Django 5.0.3 on 2024-06-09 09:37
+
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('library', '0027_alter_book_image'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='author',
+            options={'ordering': ['last_name', 'first_name']},
+        ),
+        migrations.AlterModelOptions(
+            name='publisher',
+            options={'ordering': ['name']},
+        ),
+        migrations.AddField(
+            model_name='loan',
+            name='created_at',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now),
+            preserve_default=False,
+        ),
+    ]

library/models.py

@@ -190,6 +190,7 @@ class Loan(models.Model):
     checked_out = models.DateTimeField()
     checked_in = models.DateTimeField(null=True, blank=True)
     due = models.DateTimeField()
+    created_at = models.DateTimeField(auto_now_add=True, editable=False)
 
     def save(self, *args, **kwargs):
         if not self.pk:  # only do this for new records