def _try_to_login(self, name, email, google_id=None, facebook_id=None,
fb_access_token=None):
assert bool(google_id) != bool(facebook_id)
if google_id:
user = User.get_byopenid(google_id)
elif facebook_id:
user = User.get_byfbid(facebook_id)
if user is not None:
# Existing user, log him in and proceed.
if facebook_id and not user.logo:
user.update_logo_from_facebook()
meta.Session.commit()
sign_in_user(user)
redirect(c.came_from or url(controller='home', action='index'))
else:
# Facebook needs to be asked for the email separately.
if facebook_id:
name, email = self._facebook_name_and_email(facebook_id,
fb_access_token)
if not email:
h.flash(_('Facebook did not provide your email address.'))
redirect(c.came_from or url(controller='home', action='index'))
# This user has never logged in using FB/Google before.
user = User.get_global(email)
if user is None:
h.flash(_('Login failed. Please login using your username and bind your account first.'))
redirect(url(controller='home', action='login'))
else:
# Existing user logging in using FB/Google.
if google_id:
h.flash(_('Your Google account "%s" has been linked to your existing Ututi account.') % email)
user.openid = google_id
elif facebook_id:
h.flash(_('Your Facebook account "%s" has been linked to your existing Ututi account.') % email)
user.facebook_id = facebook_id
bind_group_invitations(user)
if not user.logo:
user.update_logo_from_facebook()
meta.Session.commit()
sign_in_user(user)
redirect(c.came_from or url(controller='home', action='index'))
