[IEXP-377] show username if no first and last name

isiscb/curation/templates/curation/citation_list_view.html

@@ -233,7 +233,7 @@
                 </td>
                 <td>
                   {% if object.created_by_native %}
-                    {{ object.created_by_native__first_name }} {{ object.created_by_native__last_name }}
+                    {{ object.created_by_native|get_user_name }}
                   {% endif %}
                 </td>
             </tr>

isiscb/curation/templatetags/render_object.py

@@ -52,6 +52,10 @@ def render_object(obj):
 
     return SafeText(elem)
 
+@register.filter 
+def get_user_name(obj):
+    user = User.objects.get(pk=obj)
+    return user.username if not user.last_name and not user.first_name else " ".join([user.first_name, user.last_name])
 
 @register.filter(name='get_citation_title')
 def get_citation_title(obj):

isiscb/isisdata/models.py

@@ -710,7 +710,8 @@ def created_by(self):
             else:
                 try:
                     return self.history.order_by('modified_on')[0].history_user
-                except:
+                except Exception as e:
+                    print(e)
                     return None
 
     created_on_fm = models.DateTimeField(null=True, help_text=help_text("""