Fix issue with course message classes.

openedx/core/djangoapps/util/user_messages.py

@@ -87,7 +87,7 @@ class UserMessageCollection():
         raise NotImplementedError('Subclasses must define a namespace for messages.')
 
     @classmethod
-    def get_message_html(self, body_html, title=None, dismissable=False):
+    def get_message_html(self, body_html, title=None):
         """
         Returns the entire HTML snippet for the message.
 
@@ -96,32 +96,13 @@ class UserMessageCollection():
         not use a title can just pass the body_html.
         """
         if title:
-            title_area = Text(_('{header_open}{title}{header_close}')).format(
+            return Text(_('{header_open}{title}{header_close}{body}')).format(
                 header_open=HTML('<div class="message-header">'),
                 title=title,
+                body=body_html,
                 header_close=HTML('</div>')
             )
-        else:
-            title_area = ''
-        if dismissable:
-            dismiss_button = HTML(
-                '<div class="message-actions">'
-                '<button class="btn-link action-dismiss">'
-                '<span class="sr">{dismiss_text}</span>'
-                '<span class="icon fa fa-times" aria-hidden="true"></span></button>'
-                '</div>'
-            ).format(
-                dismiss_text=Text(_("Dismiss"))
-            )
-        else:
-            dismiss_button = ''
-        return Text('{title_area}{body_area}{dismiss_button}').format(
-            title_area=title_area,
-            body_area=HTML('<div class="message-content">{body_html}</div>').format(
-                body_html=body_html,
-            ),
-            dismiss_button=dismiss_button,
-        )
+        return body_html
 
     @classmethod
     def register_user_message(self, request, message_type, body_html, **kwargs):
@@ -202,6 +183,39 @@ class PageLevelMessages(UserMessageCollection):
     """
     NAMESPACE = 'page_level_messages'
 
+    @classmethod
+    def get_message_html(self, body_html, title=None, dismissable=False):
+        """
+        Returns the entire HTML snippet for the message.
+        """
+        if title:
+            title_area = Text(_('{header_open}{title}{header_close}')).format(
+                header_open=HTML('<div class="message-header">'),
+                title=title,
+                header_close=HTML('</div>')
+            )
+        else:
+            title_area = ''
+        if dismissable:
+            dismiss_button = HTML(
+                '<div class="message-actions">'
+                '<button class="btn-link action-dismiss">'
+                '<span class="sr">{dismiss_text}</span>'
+                '<span class="icon fa fa-times" aria-hidden="true"></span></button>'
+                '</div>'
+            ).format(
+                dismiss_text=Text(_("Dismiss"))
+            )
+        else:
+            dismiss_button = ''
+        return Text('{title_area}{body_area}{dismiss_button}').format(
+            title_area=title_area,
+            body_area=HTML('<div class="message-content">{body_html}</div>').format(
+                body_html=body_html,
+            ),
+            dismiss_button=dismiss_button,
+        )
+
     @classmethod
     def get_namespace(self):
         """