fix: convert graded field to boolean

changelog.d/20230911_180425_regis_fix_graded.md

@@ -0,0 +1 @@
+- 💥[Improvement] Convert the `course_blocks.graded` field from String to Boolean. (by @regisb)

tutorcairn/templates/cairn/apps/clickhouse/migrations.d/0009_add_graded_column_to_course_blocks.sql

@@ -1,2 +1,2 @@
 ALTER TABLE course_blocks
-ADD COLUMN graded String DEFAULT 'false';
+ADD COLUMN graded String DEFAULT 'false';

tutorcairn/templates/cairn/apps/clickhouse/migrations.d/0010_modify_graded_bool.sql

@@ -0,0 +1,2 @@
+ALTER TABLE course_blocks
+MODIFY COLUMN graded Boolean DEFAULT false;

tutorcairn/templates/cairn/apps/openedx/scripts/importcoursedata.py

@@ -42,7 +42,7 @@ def import_course(course_key):
     print("======================", course_id, course.display_name)
     values = [
         sql_format(
-            "('{}', '{}', '{}', '{}', '{}', '{}', '{}')",
+            "('{}', '{}', '{}', '{}', '{}', '{}', {})",
             course_id,
             str(child.location),
             child.location.block_id,