refactor: rename descriptor -> block within lms/djangoapps/certificates

Co-authored-by: Agrendalath <piotr@surowiec.it>

lms/djangoapps/certificates/api.py

@@ -610,7 +610,7 @@ def certificates_viewable_for_course(course):
     Returns True if certificates are viewable for any student enrolled in the course, False otherwise.
 
     Arguments:
-        course (CourseOverview or course descriptor): The course to check if certificates are viewable
+        course (CourseOverview or course block): The course to check if certificates are viewable
 
     Returns:
         boolean: whether the certificates are viewable or not
@@ -879,7 +879,7 @@ def available_date_for_certificate(course, certificate):
     Returns the available date to use with a certificate
 
     Arguments:
-        course (CourseOverview or course descriptor): The course we're checking
+        course (CourseOverview or course block): The course we're checking
         certificate (GeneratedCertificate): The certificate we're getting the date for
     """
     if _course_uses_available_date(course):
@@ -892,7 +892,7 @@ def display_date_for_certificate(course, certificate):
     Returns the display date that a certificate should display.
 
     Arguments:
-        course (CourseOverview or course descriptor): The course we're getting the date for
+        course (CourseOverview or course block): The course we're getting the date for
     Returns:
         datetime.date
     """

lms/djangoapps/certificates/tests/test_webview_views.py

@@ -747,7 +747,7 @@ class CertificatesViewsTests(CommonCertificatesTestCase, CacheIsolationTestCase)
 
     @override_settings(FEATURES=FEATURES_WITH_CERTS_ENABLED)
     def test_course_display_name_not_override_with_course_title(self):
-        # if certificate in descriptor has not course_title then course name should not be overridden with this title.
+        # if certificate in block has not course_title then course name should not be overridden with this title.
         test_certificates = [
             {
                 'id': 0,

lms/djangoapps/certificates/views/webview.py

@@ -349,8 +349,8 @@ def _get_user_certificate(request, user, course_key, course_overview, preview_mo
     Returns None if there is no certificate generated for given user
     otherwise returns `GeneratedCertificate` instance.
 
-    We use the course_overview instead of the course descriptor here, so we get the certificate_available_date and
-    certificates_display_behavior validation logic, rather than the raw data from the course descriptor.
+    We use the course_overview instead of the course block here, so we get the certificate_available_date and
+    certificates_display_behavior validation logic, rather than the raw data from the course block.
     """
     user_certificate = None
     if preview_mode: