refactor(endpoints/api/repoemail): added in pre_oci model

### Description of Changes

this is so we can abstract away the data interface

[TESTING->locally with docker compose]

Issue: https://coreosdev.atlassian.net/browse/QUAY-626

## Reviewer Checklist

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

endpoints/api/test/test_repoemail_models_pre_oci.py

@@ -0,0 +1,81 @@
+import pytest
+from mock import Mock
+
+import util
+from data import model
+from endpoints.api.repoemail_models_interface import RepositoryAuthorizedEmail
+from endpoints.api.repoemail_models_pre_oci import pre_oci_model
+
+
+@pytest.fixture
+def get_monkeypatch(monkeypatch):
+  return monkeypatch
+
+
+def return_none(name, repo, email):
+  return None
+
+
+def get_return_mock(mock):
+  def return_mock(name, repo, email):
+    return mock
+
+  return return_mock
+
+
+def test_get_email_authorized_for_repo(get_monkeypatch):
+  mock = Mock()
+
+  get_monkeypatch.setattr(model.repository, 'get_email_authorized_for_repo', mock)
+
+  pre_oci_model.get_email_authorized_for_repo('namespace_name', 'repository_name', 'email')
+
+  mock.assert_called_once_with('namespace_name', 'repository_name', 'email')
+
+
+def test_get_email_authorized_for_repo_return_none(get_monkeypatch):
+  get_monkeypatch.setattr(model.repository, 'get_email_authorized_for_repo', return_none)
+
+  repo = pre_oci_model.get_email_authorized_for_repo('namespace_name', 'repository_name', 'email')
+
+  assert repo is None
+
+
+def test_get_email_authorized_for_repo_return_repo(get_monkeypatch):
+  mock = Mock(confirmed=True, code='code')
+  get_monkeypatch.setattr(model.repository, 'get_email_authorized_for_repo', get_return_mock(mock))
+
+  actual = pre_oci_model.get_email_authorized_for_repo('namespace_name', 'repository_name', 'email')
+
+  assert actual == RepositoryAuthorizedEmail('email', 'repository_name', 'namespace_name', True, 'code')
+
+
+def test_create_email_authorization_for_repo(get_monkeypatch):
+  mock = Mock()
+  get_monkeypatch.setattr(model.repository, 'create_email_authorization_for_repo', mock)
+
+  pre_oci_model.create_email_authorization_for_repo('namespace_name', 'repository_name', 'email')
+
+  mock.assert_called_once_with('namespace_name', 'repository_name', 'email')
+
+
+def test_create_email_authorization_for_repo_return_none(get_monkeypatch):
+  get_monkeypatch.setattr(model.repository, 'create_email_authorization_for_repo', return_none)
+
+  assert pre_oci_model.create_email_authorization_for_repo('namespace_name', 'repository_name', 'email') is None
+
+
+def test_create_email_authorization_for_repo_return_mock(get_monkeypatch):
+  mock = Mock()
+  get_monkeypatch.setattr(model.repository, 'create_email_authorization_for_repo', get_return_mock(mock))
+
+  assert pre_oci_model.create_email_authorization_for_repo('namespace_name', 'repository_name', 'email') is not None
+
+
+def test_create_email_authorization_for_repo_return_value(get_monkeypatch):
+  mock = Mock(confirmed=False, code='code')
+
+  get_monkeypatch.setattr(model.repository, 'create_email_authorization_for_repo', get_return_mock(mock))
+
+  actual = pre_oci_model.create_email_authorization_for_repo('namespace_name', 'repository_name', 'email')
+  assert actual == RepositoryAuthorizedEmail('email', 'repository_name', 'namespace_name', False, 'code')