def login_user(osm_user_details, redirect_to, user_element='user') -> str:
"""
Generates authentication details for user, creating in DB if user is unknown to us
:param osm_user_details: XML response from OSM
:param redirect_to: Route to redirect user to, from callback url
:param user_element: Exists for unit testing
:raises AuthServiceError
:returns Authorized URL with authentication details in query string
"""
osm_user = osm_user_details.find(user_element)
if osm_user is None:
raise AuthServiceError('User element not found in OSM response')
osm_id = int(osm_user.attrib['id'])
username = osm_user.attrib['display_name']
try:
UserService.get_user_by_id(osm_id)
except NotFound:
# User not found, so must be new user
changesets = osm_user.find('changesets')
changeset_count = int(changesets.attrib['count'])
new_user = UserService.register_user(osm_id, username,
changeset_count)
MessageService.send_welcome_message(new_user)
session_token = AuthenticationService.generate_session_token_for_user(
osm_id)
authorized_url = AuthenticationService.generate_authorized_url(
username, session_token, redirect_to)
return authorized_url
def test_welcome_message_sent(self):
if self.skip_tests:
return
# Act
message_id = MessageService.send_welcome_message(self.test_user)
message = MessageService.get_message(message_id, self.test_user.id)
# Assert
self.assertTrue(message, 'Message should be saved to DB')
# Tidyup
MessageService.delete_message(message_id, self.test_user.id)
