add discount models

hub/services/migrations/0026_progressivediscountmodel_vshnappcatprice_valid_from_and_more.py

@@ -0,0 +1,95 @@
+# Generated by Django 5.2 on 2025-05-22 14:50
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        (
+            "services",
+            "0025_computeplan_term_storageplan_term_storageplan_unit_and_more",
+        ),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="ProgressiveDiscountModel",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("name", models.CharField(max_length=100)),
+                ("description", models.TextField(blank=True)),
+                ("active", models.BooleanField(default=True)),
+            ],
+        ),
+        migrations.AddField(
+            model_name="vshnappcatprice",
+            name="valid_from",
+            field=models.DateTimeField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name="vshnappcatprice",
+            name="valid_to",
+            field=models.DateTimeField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name="vshnappcatprice",
+            name="discount_model",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name="price_configs",
+                to="services.progressivediscountmodel",
+            ),
+        ),
+        migrations.CreateModel(
+            name="DiscountTier",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "threshold",
+                    models.PositiveIntegerField(
+                        help_text="Starting unit count for this tier"
+                    ),
+                ),
+                (
+                    "discount_percent",
+                    models.DecimalField(
+                        decimal_places=2,
+                        help_text="Percentage discount applied (0-100)",
+                        max_digits=5,
+                    ),
+                ),
+                (
+                    "discount_model",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="tiers",
+                        to="services.progressivediscountmodel",
+                    ),
+                ),
+            ],
+            options={
+                "ordering": ["threshold"],
+                "unique_together": {("discount_model", "threshold")},
+            },
+        ),
+    ]