Add migration file

netbox/circuits/migrations/0042_provideraccount_and_more.py

@@ -0,0 +1,78 @@
+# Generated by Django 4.1.4 on 2023-03-14 16:02
+
+from django.db import migrations, models
+import django.db.models.deletion
+import taggit.managers
+import utilities.json
+
+
+#
+# Migrate Account in Provider model to separate account model
+#
+def create_provideraccounts_from_providers(apps, schema_editor):
+    Provider = apps.get_model('circuits', 'Provider')
+    ProviderAccount = apps.get_model('circuits', 'ProviderAccount')
+
+    for provider in Provider.objects.all():
+        if provider.account is not None:
+            provideraccount = ProviderAccount.objects.create(
+                name=f'{provider.name} {provider.account}',
+                account=provider.account,
+                provider=provider,
+            )
+
+
+#
+# Unmigrate ProviderAccount to Provider model
+#
+def revert_provideraccounts_from_providers(apps, schema_editor):
+    ProviderAccount = apps.get_model('circuits', 'ProviderAccount')
+    provideraccounts = ProviderAccount.objects.all().orderby('pk')
+    for provideraccount in provideraccounts:
+        if provideraccounts.filter(provider=provideraccount.provider)[0] == provideraccount:
+            provideraccount.provider.account = provideraccount.account
+            provideraccount.provider.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('extras', '0084_staging'),
+        ('circuits', '0041_standardize_description_comments'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ProviderAccount',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
+                ('created', models.DateTimeField(auto_now_add=True, null=True)),
+                ('last_updated', models.DateTimeField(auto_now=True, null=True)),
+                ('custom_field_data', models.JSONField(blank=True, default=dict, encoder=utilities.json.CustomFieldJSONEncoder)),
+                ('description', models.CharField(blank=True, max_length=200)),
+                ('comments', models.TextField(blank=True)),
+                ('name', models.CharField(max_length=100)),
+                ('account', models.CharField(blank=True, max_length=30)),
+                ('provider', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='accounts', to='circuits.provider')),
+                ('tags', taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag')),
+            ],
+            options={
+                'ordering': ('provider', 'name'),
+            },
+        ),
+        migrations.AddConstraint(
+            model_name='provideraccount',
+            constraint=models.UniqueConstraint(fields=('provider', 'name'), name='circuits_provideraccount_unique_provider_name'),
+        ),
+        migrations.AddConstraint(
+            model_name='provideraccount',
+            constraint=models.UniqueConstraint(fields=('provider', 'account'), name='circuits_provideraccount_unique_provider_account'),
+        ),
+        migrations.RunPython(
+            create_provideraccounts_from_providers, revert_provideraccounts_from_providers
+        ),
+        migrations.RemoveField(
+            model_name='provider',
+            name='account',
+        ),
+    ]