def notes_storage():
"""
Sending a GET request to this URL retrieves the notes associated with
the user logged in (checked via the session).
Sending a POST request updates the shelf with the provided new values.
JavaScript calls this function to save/load notes.
"""
if 'username' not in session:
abort(401)
with closing(shelve.open(users_file)) as user_shelf:
users = Users(user_shelf)
if request.method == 'GET':
return users.stickies_for_user(session['username'])
else:
data = request.form['noteSet']
users.save_stickies_for_user(session['username'], data)
return 'Post successful'
