public ui: fix menu username

* Builds the menu during the first request.
* Store the logged user name in the session.
* Makes the translations and the logged user dynamic.
* Puts the menu generation code in a specific file.
* Closes: #2168.

Co-Authored-by: Johnny Mariéthoz <[email protected]>

rero_ils/modules/ext.py

@@ -22,6 +22,7 @@
 import jinja2
 from flask import Blueprint
 from flask_bootstrap import Bootstrap
+from flask_login.signals import user_loaded_from_cookie, user_logged_in
 from flask_wiki import Wiki
 from invenio_circulation.signals import loan_state_changed
 from invenio_indexer.signals import before_record_index
@@ -57,6 +58,7 @@
 from .sru.views import SRUDocumentsSearch
 from .templates.listener import prepare_template_data
 from .users.views import UsersCreateResource, UsersResource
+from .utils import set_user_name
 from ..filter import empty_data, format_date_filter, jsondumps, node_assets, \
     text_to_id, to_pretty_json
 
@@ -215,3 +217,7 @@ def register_signals(self, app):
 
         # invenio-userprofiles signal
         after_profile_update.connect(update_from_profile)
+
+        # store the username in the session
+        user_logged_in.connect(set_user_name)
+        user_loaded_from_cookie.connect(set_user_name)

rero_ils/modules/utils.py

@@ -33,7 +33,8 @@
 import requests
 import sqlalchemy
 from dateutil import parser
-from flask import current_app
+from flask import current_app, session
+from flask_login import current_user
 from invenio_cache.proxies import current_cache
 from invenio_pidstore.models import PersistentIdentifier
 from invenio_records_rest.utils import obj_or_import_string
@@ -1032,3 +1033,20 @@ def write(self, data):
     def close(self):
         """Close file."""
         self.__del__()
+
+
+def set_user_name(sender, user):
+    """Set the username in the current flask session."""
+    from .patrons.api import current_librarian, current_patrons
+    user_name = None
+    if current_librarian:
+        user_name = current_librarian.formatted_name
+    elif current_patrons:
+        user_name = current_patrons[0].formatted_name
+    else:
+        try:
+            user_name = current_user.email
+        # AnonymousUser
+        except AttributeError:
+            pass
+    session['user_name'] = user_name