contrib: removal of dependency on Invenio-Groups

* Removes the dependency on Invenio-Groups reducing the number of fields
  parsed inside CERN or ORCID modules and sending the response to a
  subscribable signal. (closes #18)

Signed-off-by: Javier Delgado <javier.delgado.fernandez@cern.ch>

invenio_oauthclient/contrib/cern.py

@@ -87,6 +87,7 @@
 import re
 
 import requests
+from blinker import signal
 from flask import current_app
 from flask_login import current_user
 
@@ -159,6 +160,9 @@
 REMOTE_APP_RESOURCE_SCHEMA = "http://schemas.xmlsoap.org/claims/"
 
 
+oauth_cern_response_received = signal('oauth-cern-response-received')
+
+
 def fetch_groups(groups):
     """Prepare list of allowed group names."""
     hidden_groups = current_app.config.get(
@@ -197,6 +201,8 @@ def account_info(remote, resp):
     email = res['EmailAddress'][0]
     common_name = res['CommonName'][0]
 
+    oauth_cern_response_received(resp)
+
     # FIXME get user informations accordly with invenio-userprofiles
     return dict(email=email.lower(), nickname=common_name)
 
@@ -210,13 +216,5 @@ def account_setup(remote, token):
 
     if response.status == requests.codes.ok:
         res = get_dict_from_response(response)
-        current_user.info['group'] = fetch_groups(res['Group'])
-        current_user.modified = True
-        current_user.save()
-
-        if user and not any([user.family_name, user.given_names]):
-            user.family_name = res['Lastname'][0]
-            user.given_names = res['Firstname'][0]
-
-            db.session.add(user)
-            current_user.reload()
+        res['groups'] = fetch_groups(res['Group'])
+        oauth_cern_response_received.send(res)

invenio_oauthclient/contrib/orcid.py

@@ -78,6 +78,7 @@
 
 import copy
 
+from blinker import signal
 from flask import current_app, redirect, url_for
 from flask_login import current_user
 from invenio_db import db
@@ -119,9 +120,13 @@
 ))
 
 
+oauth_orcid_response_received = signal('oauth-orcid-response-received')
+
+
 def account_info(remote, resp):
     """Retrieve remote account information used to find local user."""
     orcid = resp.get("orcid")
+    oauth_orcid_response_received.send(resp)
     return dict(
         external_id=orcid,
         external_method="orcid",
@@ -166,6 +171,8 @@ def account_setup(remote, token, resp):
         # Create user <-> external id link.
         oauth_link_external_id(user, dict(id=orcid, method="orcid"))
 
+        oauth_orcid_response_received.send(resp)
+
         # FIXME put these data in user profile!
         # Fill user full name if not already set
         # if user and not any([user.given_names, user.family_name]):