feat(home/models.py): add CourseModulePage.course property

home/models.py

@@ -41,16 +41,18 @@ class CourseModulePage(Page):
     body = RichTextField(blank=True)
 
     @property
-    def full_title(self):
+    def course(self):
         if hasattr(self, "get_parent"):
             parent = self.get_parent()
             if parent and hasattr(parent, "specific"):
-                course = parent.specific
-            else:
-                course = None
+                return parent.specific
+        return None
 
-        if course and hasattr(course, "title"):
-            return f"{course.title} – {self.title}"
+    @property
+    def full_title(self):
+        course = self.course
+        if course:
+            return f"{course.title} - {self.title}"
         return self.title
 
     content_panels = Page.content_panels + ["body"]