Merge pull request #13956 from edx/hasnain-naveed/WL-615

WL-615 | Fix the preview certificate link.

cms/djangoapps/contentstore/tests/test_utils.py

@@ -11,6 +11,8 @@ from opaque_keys.edx.locations import SlashSeparatedCourseKey
 from xmodule.modulestore.django import modulestore
 from xmodule.partitions.partitions import UserPartition, Group
 
+from openedx.core.djangoapps.site_configuration.tests.test_util import with_site_configuration_context
+
 from contentstore import utils
 from contentstore.tests.utils import CourseTestCase
 
@@ -37,6 +39,31 @@ class LMSLinksTestCase(TestCase):
         link = utils.get_lms_link_for_item(location)
         self.assertEquals(link, "//localhost:8000/courses/mitX/101/test/jump_to/i4x://mitX/101/course/test")
 
+    def lms_link_for_certificate_web_view_test(self):
+        """ Tests get_lms_link_for_certificate_web_view. """
+        course_key = SlashSeparatedCourseKey('mitX', '101', 'test')
+        dummy_user = ModuleStoreEnum.UserID.test
+        mode = 'professional'
+
+        self.assertEquals(
+            utils.get_lms_link_for_certificate_web_view(dummy_user, course_key, mode),
+            "//localhost:8000/certificates/user/{user_id}/course/{course_key}?preview={mode}".format(
+                user_id=dummy_user,
+                course_key=course_key,
+                mode=mode
+            )
+        )
+
+        with with_site_configuration_context(configuration={"course_org_filter": "mitX", "LMS_BASE": "dummyhost:8000"}):
+            self.assertEquals(
+                utils.get_lms_link_for_certificate_web_view(dummy_user, course_key, mode),
+                "//dummyhost:8000/certificates/user/{user_id}/course/{course_key}?preview={mode}".format(
+                    user_id=dummy_user,
+                    course_key=course_key,
+                    mode=mode
+                )
+            )
+
 
 class ExtraPanelTabTestCase(TestCase):
     """ Tests adding and removing extra course tabs. """

cms/djangoapps/contentstore/utils.py

@@ -123,11 +123,14 @@ def get_lms_link_for_certificate_web_view(user_id, course_key, mode):
     """
     assert isinstance(course_key, CourseKey)
 
-    if settings.LMS_BASE is None:
+    # checks LMS_BASE value in SiteConfiguration against course_org_filter if not found returns settings.LMS_BASE
+    lms_base = SiteConfiguration.get_value_for_org(course_key.org, "LMS_BASE", settings.LMS_BASE)
+
+    if lms_base is None:
         return None
 
     return u"//{certificate_web_base}/certificates/user/{user_id}/course/{course_id}?preview={mode}".format(
-        certificate_web_base=settings.LMS_BASE,
+        certificate_web_base=lms_base,
         user_id=user_id,
         course_id=unicode(course_key),
         mode=mode