Indexing course run languages as macrolanguage, except Chinese

ECOM-5466

course_discovery/apps/api/tests/test_serializers.py

@@ -26,6 +26,7 @@ from course_discovery.apps.course_metadata.tests.factories import (
     OrganizationFactory, PersonFactory, SeatFactory, ProgramFactory, CorporateEndorsementFactory, EndorsementFactory,
     JobOutlookItemFactory, ExpectedLearningItemFactory, PositionFactory
 )
+from course_discovery.apps.ietf_language_tags.models import LanguageTag
 
 
 # pylint:disable=no-member
@@ -46,6 +47,9 @@ def serialize_datetime(d):
 
 
 def serialize_language(language):
+    if language.code.startswith('zh'):
+        return language.name
+
     return language.macrolanguage
 
 
@@ -579,7 +583,7 @@ class AffiliateWindowSerializerTests(TestCase):
 
 class CourseRunSearchSerializerTests(TestCase):
     def test_data(self):
-        course_run = CourseRunFactory()
+        course_run = CourseRunFactory(transcript_languages=LanguageTag.objects.filter(code__in=['en-us', 'zh-cn']))
         serializer = self.serialize_course_run(course_run)
         course_run_key = CourseKey.from_string(course_run.key)
 

course_discovery/apps/course_metadata/search_indexes.py

@@ -121,13 +121,18 @@ class CourseRunIndex(BaseCourseIndex, indexes.Indexable):
         return obj.status == CourseRun.Status.Published
 
     def _prepare_language(self, language):
-        return language.macrolanguage
+        if language:
+            # ECOM-5466: Render the macro language for all languages except Chinese
+            if language.code.startswith('zh'):
+                return language.name
+            else:
+                return language.macrolanguage
 
-    def prepare_language(self, obj):
-        if obj.language:
-            return self._prepare_language(obj.language)
         return None
 
+    def prepare_language(self, obj):
+        return self._prepare_language(obj.language)
+
     def prepare_number(self, obj):
         course_run_key = CourseKey.from_string(obj.key)
         return course_run_key.course