Fix #662

cps/helper.py

@@ -178,13 +178,18 @@ def get_valid_filename(value, replace_whitespace=True):
 
 def get_sorted_author(value):
     try:
+        if ',' not in value:
             regexes = ["^(JR|SR)\.?$", "^I{1,3}\.?$", "^IV\.?$"]
             combined = "(" + ")|(".join(regexes) + ")"
             value = value.split(" ")
             if re.match(combined, value[-1].upper()):
                 value2 = value[-2] + ", " + " ".join(value[:-2]) + " " + value[-1]
+            elif len(value) == 1:
+                value2 = value[0]
             else:
                 value2 = value[-1] + ", " + " ".join(value[:-1])
+        else:
+            value2 = value
     except Exception:
         web.app.logger.error("Sorting author " + str(value) + "failed")
         value2 = value

cps/web.py

@@ -588,7 +588,7 @@ def modify_database_object(input_elements, db_book_object, db_object, db_session
             # if no element is found add it
             # if new_element is None:
             if db_type == 'author':
-                new_element = db_object(add_element, add_element.replace('|', ','), "")
+                new_element = db_object(add_element, helper.get_sorted_author(add_element.replace('|', ',')), "")
             elif db_type == 'series':
                 new_element = db_object(add_element, add_element)
             elif db_type == 'custom':