introduce service plans

hub/services/migrations/0009_currency_plan_planprice.py

@@ -0,0 +1,118 @@
+# Generated by Django 5.1.5 on 2025-01-28 09:19
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+def create_initial_currencies(apps, schema_editor):
+    Currency = apps.get_model("services", "Currency")
+    currencies = [
+        {"code": "USD", "name": "US Dollar", "symbol": "$"},
+        {"code": "CHF", "name": "Swiss Franc", "symbol": "CHF"},
+        {"code": "EUR", "name": "Euro", "symbol": "€"},
+    ]
+    for currency_data in currencies:
+        Currency.objects.create(**currency_data)
+
+
+def remove_initial_currencies(apps, schema_editor):
+    Currency = apps.get_model("services", "Currency")
+    Currency.objects.all().delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("services", "0008_remove_service_countries_and_more"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Currency",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("code", models.CharField(max_length=3, unique=True)),
+                ("name", models.CharField(max_length=50)),
+                ("symbol", models.CharField(max_length=5)),
+            ],
+            options={
+                "verbose_name_plural": "Currencies",
+                "ordering": ["code"],
+            },
+        ),
+        migrations.CreateModel(
+            name="Plan",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("name", models.CharField(max_length=100)),
+                ("description", models.TextField()),
+                ("is_default", models.BooleanField(default=False)),
+                ("features", models.TextField(blank=True)),
+                ("order", models.IntegerField(default=0)),
+                ("created_at", models.DateTimeField(auto_now_add=True)),
+                ("updated_at", models.DateTimeField(auto_now=True)),
+                (
+                    "service",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="plans",
+                        to="services.service",
+                    ),
+                ),
+            ],
+            options={
+                "ordering": ["order", "name"],
+                "unique_together": {("service", "name")},
+            },
+        ),
+        migrations.CreateModel(
+            name="PlanPrice",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("price", models.DecimalField(decimal_places=2, max_digits=10)),
+                (
+                    "currency",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.PROTECT,
+                        to="services.currency",
+                    ),
+                ),
+                (
+                    "plan",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="prices",
+                        to="services.plan",
+                    ),
+                ),
+            ],
+            options={
+                "unique_together": {("plan", "currency")},
+            },
+        ),
+        migrations.RunPython(create_initial_currencies, remove_initial_currencies),
+    ]