static IEnumerable<course> createCourses(ProductsDefine.productDescrLow prod, List<string> modules = null, List<string> lessons = null) {
var cnt = 0;
foreach (var pd in prod.productParts()) {
yield return new course() {
lessons = createLessons(pd.getLessons()),
jsonId = (cnt++).ToString(),
title = pd.title,
level = pd.partLevelName(),
testFileName = pd.testFileName(),
//LMLevel = pd.partIdx / 2,
};
}
}
