Add CinderPolicy model and sync_cinder_policies management command (#21773)

* CinderPolicy model: add parent and make uuid unique

* Add sync_cinder_policies management command + task

src/olympia/abuse/management/commands/sync_cinder_policies.py

@@ -0,0 +1,13 @@
+from django.core.management.base import BaseCommand
+
+import olympia.core.logger
+from olympia.abuse.tasks import sync_cinder_policies
+
+
+class Command(BaseCommand):
+    log = olympia.core.logger.getLogger('z.abuse')
+
+    def handle(self, *args, **options):
+        sync_cinder_policies.apply_async()
+
+        self.log.info('Triggered policy sync task.')

src/olympia/abuse/migrations/0024_cinderpolicy_parent_alter_cinderpolicy_uuid.py

@@ -0,0 +1,24 @@
+# Generated by Django 4.2.9 on 2024-02-01 09:00
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('abuse', '0023_cinderjob_decision_notes_alter_cinderjob_appeal_job_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='cinderpolicy',
+            name='parent',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='children', to='abuse.cinderpolicy'),
+        ),
+        migrations.AlterField(
+            model_name='cinderpolicy',
+            name='uuid',
+            field=models.CharField(max_length=36, unique=True),
+        ),
+    ]

src/olympia/abuse/models.py

@@ -816,6 +816,16 @@ class CantBeAppealed(Exception):
 
 
 class CinderPolicy(ModelBase):
-    uuid = models.CharField(max_length=36)
+    uuid = models.CharField(max_length=36, unique=True)
     name = models.CharField(max_length=50)
     text = models.TextField()
+    parent = models.ForeignKey(
+        'self',
+        null=True,
+        blank=True,
+        on_delete=models.SET_NULL,
+        related_name='children',
+    )
+
+    def __str__(self):
+        return self.name

src/olympia/abuse/tests/test_models.py

@@ -5,7 +5,9 @@ from unittest import mock
 from django.conf import settings
 from django.core import mail
 from django.core.exceptions import ImproperlyConfigured, ValidationError
+from django.db.utils import IntegrityError
 
+import pytest
 import responses
 
 from olympia.amo.tests import TestCase, addon_factory, collection_factory, user_factory
@@ -1067,3 +1069,45 @@ class TestCinderJobCanBeAppealed(TestCase):
         )
         self.initial_job.update(appeal_job=appeal_job)
         assert appeal_job.can_be_appealed(is_reporter=False)
+
+
+class TestCinderPolicy(TestCase):
+    def test_create_cinder_policy_with_required_fields(self):
+        policy = CinderPolicy.objects.create(
+            name='Test Policy',
+            text='Test Policy Description',
+            uuid='test-uuid',
+        )
+        self.assertEqual(policy.name, 'Test Policy')
+        self.assertEqual(policy.text, 'Test Policy Description')
+        self.assertEqual(policy.uuid, 'test-uuid')
+
+    def test_create_cinder_policy_with_child_policy(self):
+        parent_policy = CinderPolicy.objects.create(
+            name='Parent Policy',
+            text='Parent Policy Description',
+            uuid='parent-uuid',
+        )
+        child_policy = CinderPolicy.objects.create(
+            name='Child Policy',
+            text='Child Policy Description',
+            uuid='child-uuid',
+            parent=parent_policy,
+        )
+        self.assertEqual(child_policy.name, 'Child Policy')
+        self.assertEqual(child_policy.text, 'Child Policy Description')
+        self.assertEqual(child_policy.uuid, 'child-uuid')
+        self.assertEqual(child_policy.parent, parent_policy)
+
+    def test_create_cinder_policy_with_duplicate_uuid(self):
+        existing_policy = CinderPolicy.objects.create(
+            name='Policy 1',
+            text='Policy 1 Description',
+            uuid='duplicate-uuid',
+        )
+        with pytest.raises(IntegrityError):
+            CinderPolicy.objects.create(
+                name='Policy 2',
+                text='Policy 2 Description',
+                uuid=existing_policy.uuid,
+            )