fix: quiz, course outline, and lesson indexing

community/lms/doctype/lms_course/lms_course.py

@@ -194,7 +194,13 @@ class LMSCourse(Document):
         """Returns the {chapter_index}.{lesson_index} for the lesson.
         """
         lesson = frappe.db.get_value("Lessons", {"lesson": lesson_name}, ["idx", "parent"], as_dict=True)
+        if not lesson:
+            return None
+
         chapter = frappe.db.get_value("Chapters", {"chapter": lesson.parent}, ["idx"], as_dict=True)
+        if not chapter:
+            return None
+
         return f"{chapter.idx}.{lesson.idx}"
 
     def reindex_exercises(self):

community/lms/widgets/ChapterTeaser.html

@@ -27,7 +27,7 @@
           {{ lesson.title }}
 
           {% if membership %}
-          <img class="lesson-progress-tick {{ course.get_progress(lesson.name) != 'Complete' and 'hide' }}"
+          <img class="ml-1 lesson-progress-tick {{ course.get_progress(lesson.name) != 'Complete' and 'hide' }}"
             src="/assets/community/icons/check.svg">
           {% endif %}
 

community/public/css/style.css

@@ -780,7 +780,7 @@ input[type=checkbox] {
 }
 
 .lesson-links {
-  display: flex;
+  display: block;
   padding: 0 1rem;
   margin-bottom: .25rem;
   color: inherit;
@@ -794,6 +794,13 @@ input[type=checkbox] {
   border-radius: .25rem;
 }
 
+.course-content-parent .lesson-links {
+  padding: 0 0 0 1rem;
+  margin-bottom: 0.75rem;
+  font-size: 0.85rem;
+  line-height: 200%;
+}
+
 .chapter-content {
   margin: 0;
   margin-left: .875rem;

community/www/batch/learn.js

@@ -58,6 +58,7 @@ var mark_active_question = (e = undefined) => {
   $(".current-question").text(`${next_index}`);
   $("#check").removeClass("hide").attr("disabled", true);
   $("#next").addClass("hide");
+  $(".explanation").addClass("hide");
 }
 
 var mark_progress = (e) => {

community/www/batch/learn.py

@@ -17,10 +17,9 @@ def get_context(context):
             index_ = get_lesson_index(context.course, context.batch, frappe.session.user) or "1.1"
         else:
             index_ = "1.1"
-        frappe.local.flags.redirect_location = context.course.get_learn_url(index_) + context.course.query_parameter
+        utils.redirect_to_lesson(context.course, index_)
-        raise frappe.Redirect
 
-    context.lesson = list(filter(lambda x: cstr(x.number) == lesson_number, context.lessons))[0]
+    context.lesson = get_current_lesson_details(lesson_number, context)
     neighbours = context.course.get_neighbours(lesson_number, context.lessons)
     context.next_url = get_learn_url(neighbours["next"], context.course)
     context.prev_url = get_learn_url(neighbours["prev"], context.course)
@@ -40,6 +39,12 @@ def get_context(context):
         "is_member": context.membership is not None
     }
 
+def get_current_lesson_details(lesson_number, context):
+    details_list = list(filter(lambda x: cstr(x.number) == lesson_number, context.lessons))
+    if not len(details_list):
+        utils.redirect_to_lesson(context.course)
+    return details_list[0]
+
 def get_learn_url(lesson_number, course):
     return course.get_learn_url(lesson_number) and course.get_learn_url(lesson_number) + course.query_parameter