record soft deletion in audit log for applications and environments

atst/models/application.py

@@ -40,3 +40,12 @@ class Application(Base, mixins.TimestampsMixin, mixins.AuditableMixin):
         return "<Application(name='{}', description='{}', portfolio='{}', id='{}')>".format(
             self.name, self.description, self.portfolio.name, self.id
         )
+
+    @property
+    def history(self):
+        previous_state = self.get_changes()
+        change_set = {}
+        if "deleted" in previous_state:
+            change_set["deleted"] = previous_state["deleted"]
+
+        return change_set

atst/models/environment.py

@@ -46,3 +46,12 @@ class Environment(Base, mixins.TimestampsMixin, mixins.AuditableMixin):
             self.application.portfolio.name,
             self.id,
         )
+
+    @property
+    def history(self):
+        previous_state = self.get_changes()
+        change_set = {}
+        if "deleted" in previous_state:
+            change_set["deleted"] = previous_state["deleted"]
+
+        return change_set

tests/models/test_application.py

@@ -1,3 +1,5 @@
+from atst.models import AuditEvent
+
 from tests.factories import (
     ApplicationFactory,
     ApplicationRoleFactory,
@@ -21,3 +23,18 @@ def test_application_environments_excludes_deleted():
     EnvironmentFactory.create(application=app, deleted=True)
     assert len(app.environments) == 1
     assert app.environments[0].id == env.id
+
+
+def test_audit_event_for_application_deletion(session):
+    app = ApplicationFactory.create()
+    app.deleted = True
+    session.add(app)
+    session.commit()
+
+    update_event = (
+        session.query(AuditEvent)
+        .filter(AuditEvent.resource_id == app.id, AuditEvent.action == "update")
+        .one()
+    )
+    assert update_event.changed_state.get("deleted")
+    assert update_event.changed_state["deleted"] == [False, True]

tests/models/test_environments.py

@@ -1,6 +1,13 @@
+from atst.models import AuditEvent
 from atst.domain.environments import Environments
 from atst.domain.applications import Applications
-from tests.factories import PortfolioFactory, UserFactory
+
+from tests.factories import (
+    PortfolioFactory,
+    UserFactory,
+    EnvironmentFactory,
+    ApplicationFactory,
+)
 
 
 def test_add_user_to_environment():
@@ -15,3 +22,20 @@ def test_add_user_to_environment():
 
     dev_environment = Environments.add_member(dev_environment, developer, "developer")
     assert developer in dev_environment.users
+
+
+def test_audit_event_for_environment_deletion(session):
+    EnvironmentFactory._meta.sqlalchemy_session_persistence = "flush"
+
+    env = EnvironmentFactory.create(application=ApplicationFactory.create())
+    env.deleted = True
+    session.add(env)
+    session.commit()
+
+    update_event = (
+        session.query(AuditEvent)
+        .filter(AuditEvent.resource_id == env.id, AuditEvent.action == "update")
+        .one()
+    )
+    assert update_event.changed_state.get("deleted")
+    assert update_event.changed_state["deleted"] == [False, True]