extended parameters of language-less certificate templates

lms/djangoapps/certificates/api.py

@@ -513,12 +513,12 @@ def get_language_specific_template_or_default(language, templates):
     Returns default templates If no language matches, or language passed is None
     """
     two_letter_language = _get_two_letter_language_code(language)
-    language_or_default_templates = list(templates.filter(Q(language=two_letter_language) | Q(language=None)))
-    language_specific_template = get_language_specific_template(language, language_or_default_templates)
+    language_or_default_templates = list(templates.filter(Q(language=two_letter_language) | Q(language=None) | Q(language='')))
+    language_specific_template = get_language_specific_template(two_letter_language, language_or_default_templates)
     if language_specific_template:
         return language_specific_template
     else:
-        return language_or_default_templates[0] if language_or_default_templates else None
+        return get_all_languages_or_default_template(language_or_default_templates)
 
 
 def get_language_specific_template(language, templates):
@@ -528,6 +528,13 @@ def get_language_specific_template(language, templates):
     return None
 
 
+def get_all_languages_or_default_template(templates):
+    for template in templates:
+        if template.language == '':
+            return template
+    return templates[0] if templates else None
+
+
 def _get_two_letter_language_code(language_code):
     """
     Shortens language to only first two characters (e.g. es-419 becomes es)

lms/djangoapps/certificates/tests/test_webview_views.py

@@ -1074,6 +1074,13 @@ class CertificatesViewsTests(CommonCertificatesTestCase):
         self.assertEqual(response.status_code, 200)
         self.assertContains(response, 'course name: test_null_lang_template')
 
+        #create an org_mode_and_coursekey template language=''
+        self._create_custom_named_template('test_all_languages_template', org_id=1, mode='honor', course_key=unicode(self.course.id), language='')
+        #verify returns null lang template
+        response = self.client.get(test_url)
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'course name: test_all_languages_template')
+
         #create a org_mode_and_coursekey template language=lang
         self._create_custom_named_template('test_right_lang_template', org_id=1, mode='honor', course_key=unicode(self.course.id), language=right_language)
         # verify return right_language template
@@ -1119,6 +1126,13 @@ class CertificatesViewsTests(CommonCertificatesTestCase):
         self.assertEqual(response.status_code, 200)
         self.assertContains(response, 'course name: test_null_lang_template')
 
+        #create an org and mode template language=''
+        self._create_custom_named_template('test_all_languages_template', org_id=1, mode='honor', language='')
+        #verify returns All Languages template
+        response = self.client.get(test_url)
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'course name: test_all_languages_template')
+
         #create a org and mode template language=lang
         self._create_custom_named_template('test_right_lang_template', org_id=1, mode='honor', language=right_language)
         # verify return right_language template
@@ -1162,6 +1176,13 @@ class CertificatesViewsTests(CommonCertificatesTestCase):
         self.assertEqual(response.status_code, 200)
         self.assertContains(response, 'course name: test_null_lang_template')
 
+        #create an org template language=''
+        self._create_custom_named_template('test_all_languages_template', org_id=1, language='')
+        #verify returns All Languages template
+        response = self.client.get(test_url)
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'course name: test_all_languages_template')
+
         #create a org template language=lang
         self._create_custom_named_template('test_right_lang_template', org_id=1, language=right_language)
         # verify return right_language template
@@ -1206,6 +1227,13 @@ class CertificatesViewsTests(CommonCertificatesTestCase):
         self.assertEqual(response.status_code, 200)
         self.assertContains(response, 'course name: test_null_lang_template')
 
+        #create a mode template language=''
+        self._create_custom_named_template('test_all_languages_template', mode='honor', language='')
+        #verify returns All Languages template
+        response = self.client.get(test_url)
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'course name: test_all_languages_template')
+
         #create a mode template language=lang
         self._create_custom_named_template('test_right_lang_template', mode='honor', language=right_language)
         # verify return right_language template
@@ -1249,6 +1277,13 @@ class CertificatesViewsTests(CommonCertificatesTestCase):
         self.assertEqual(response.status_code, 200)
         self.assertContains(response, 'course name: test_null_lang_template')
 
+        #create a mode template language=''
+        self._create_custom_named_template('test_all_languages_template', org_id=1, mode='honor', language='')
+        #verify returns All Languages template
+        response = self.client.get(test_url)
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'course name: test_all_languages_template')
+
         #create a mode template language=lang
         self._create_custom_named_template('test_right_lang_template', org_id=1, mode='honor', language=right_language)
         # verify return right_language template