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/repoemail.py

@@ -7,9 +7,9 @@ from flask import request, abort
 from endpoints.api import (resource, nickname, require_repo_admin, RepositoryParamResource,
                            log_action, validate_json_request, internal_only,
                            path_param, show_if)
+from endpoints.api.repoemail_models_pre_oci import pre_oci_model as model
 from endpoints.exception import NotFound
 from app import tf
-from data import model
 from data.database import db
 from util.useremails import send_repo_authorization_email
 
@@ -19,15 +19,6 @@ import features
 logger = logging.getLogger(__name__)
 
 
-def record_view(record):
-  return {
-    'email': record.email,
-    'repository': record.repository.name,
-    'namespace': record.repository.namespace_user.username,
-    'confirmed': record.confirmed
-  }
-
-
 @internal_only
 @resource('/v1/repository/<apirepopath:repository>/authorizedemail/<email>')
 @show_if(features.MAILING)
@@ -39,11 +30,11 @@ class RepositoryAuthorizedEmail(RepositoryParamResource):
   @nickname('checkRepoEmailAuthorized')
   def get(self, namespace, repository, email):
     """ Checks to see if the given e-mail address is authorized on this repository. """
-    record = model.repository.get_email_authorized_for_repo(namespace, repository, email)
+    record = model.get_email_authorized_for_repo(namespace, repository, email)
     if not record:
       abort(404)
 
-    return record_view(record)
+    return record.to_dict()
 
 
   @require_repo_admin
@@ -52,12 +43,12 @@ class RepositoryAuthorizedEmail(RepositoryParamResource):
     """ Starts the authorization process for an e-mail address on a repository. """
 
     with tf(db):
-      record = model.repository.get_email_authorized_for_repo(namespace, repository, email)
+      record = model.get_email_authorized_for_repo(namespace, repository, email)
       if record and record.confirmed:
-        return record_view(record)
+        return record.to_dict()
 
       if not record:
-        record = model.repository.create_email_authorization_for_repo(namespace, repository, email)
+        record = model.create_email_authorization_for_repo(namespace, repository, email)
 
       send_repo_authorization_email(namespace, repository, email, record.code)
-      return record_view(record)
+      return record.to_dict()