refactor(endpoints/api/tag): refactor code for v22

this decouples the database models from the api

[TESTING->locally with docker compose]

Issue: https://coreosdev.atlassian.net/browse/QUAY-632

- [ ] It works!
- [ ] Comments provide sufficient explanations for the next contributor
- [ ] Tests cover changes and corner cases
- [ ] Follows Quay syntax patterns and format

data/model/log.py

@@ -6,6 +6,7 @@ from peewee import JOIN_LEFT_OUTER, fn, PeeweeException
 from datetime import datetime, timedelta
 from cachetools import lru_cache
 
+import data
 from data.database import LogEntry, LogEntryKind, User, RepositoryActionCount, db
 from data.model import config, user, DataModelException
 
@@ -110,7 +111,11 @@ def log_action(kind_name, user_or_organization_name, performer=None, repository=
     performer = performer.id
 
   if repository is not None:
-    repository = repository.id
+    if hasattr(repository, 'namespace_name') and hasattr(repository, 'repository_name'):
+      maybe_repo = data.model.repository.get_repository(repository.namespace_name, repository.repository_name)
+      repository = maybe_repo.id if maybe_repo else None
+    elif hasattr(repository, 'id'):
+      repository = repository.id
 
   kind = _get_log_entry_kind(kind_name)
   metadata_json = json.dumps(metadata, default=_json_serialize)