Update coupon ordering

src/core/migrations/0003_alter_coupon_options.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.0.2 on 2022-11-02 00:30
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0002_shippingrate_is_selectable_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='coupon',
+            options={'ordering': ['valid_from', 'valid_to', 'code']},
+        ),
+    ]

src/core/migrations/0004_alter_coupon_options.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.0.2 on 2022-11-02 00:31
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0003_alter_coupon_options'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='coupon',
+            options={'ordering': ['-valid_from', '-valid_to', 'code']},
+        ),
+    ]

src/core/models.py

@@ -226,7 +226,7 @@ class Coupon(models.Model):
     users = models.ManyToManyField(User, blank=True)
 
     class Meta:
-        ordering = ("code",)
+        ordering = ['-valid_from', '-valid_to', 'code']
 
     def __str__(self):
         return self.name