Add functionality to restrict access to next module based on passing previous module

1 files changed, 30 insertions, 6 deletions

diff --git a/yaksh/views.py b/yaksh/views.py
index 6c7a12e..5009cb6 100644
--- a/yaksh/views.py
+++ b/yaksh/views.py
@@ -471,11 +471,17 @@ def start(request, questionpaper_id=None, attempt_num=None, course_id=None,
 
     # unit module prerequiste check
     if learning_module.has_prerequisite():
-        if not learning_module.is_prerequisite_passed(user, course):
+        if not learning_module.is_prerequisite_complete(user, course):
             msg = "You have not completed the module previous to {0}".format(
                 learning_module.name)
             return course_modules(request, course_id, msg)
 
+    if learning_module.check_prerequisite_passes:
+        if not learning_module.is_prerequisite_passed(user, course):
+            msg = "You have not successfully passed the module previous to {0}".format(
+                learning_module.name)
+            return course_modules(request, course_id, msg)
+
     # is user enrolled in the course
     if not course.is_enrolled(user):
         msg = 'You are not enrolled in {0} course'.format(course.name)
@@ -501,7 +507,7 @@ def start(request, questionpaper_id=None, attempt_num=None, course_id=None,
 
     # prerequisite check and passing criteria for quiz
     if learning_unit.has_prerequisite():
-        if not learning_unit.is_prerequisite_passed(
+        if not learning_unit.is_prerequisite_complete(
                 user, learning_module, course):
             msg = "You have not completed the previous Lesson/Quiz/Exercise"
             if is_moderator(user):
@@ -2424,17 +2430,22 @@ def show_lesson(request, lesson_id, module_id, course_id):
         msg = "{0} is not active".format(learn_unit.lesson.name)
         return view_module(request, module_id, course_id, msg)
     if learn_module.has_prerequisite():
-        if not learn_module.is_prerequisite_passed(user, course):
+        if not learn_module.is_prerequisite_complete(user, course):
             msg = "You have not completed the module previous to {0}".format(
                 learn_module.name)
             return view_module(request, module_id, course_id, msg)
+    if learn_module.check_prerequisite_passes:
+        if not learn_module.is_prerequisite_passed(user, course):
+            msg = "You have not successfully passed the module previous to {0}".format(
+                learn_module.name)
+            return view_module(request, module_id, course_id, msg)
 
     # update course status with current unit
     _update_unit_status(course_id, user, learn_unit)
 
     all_modules = course.get_learning_modules()
     if learn_unit.has_prerequisite():
-        if not learn_unit.is_prerequisite_passed(user, learn_module, course):
+        if not learn_unit.is_prerequisite_complete(user, learn_module, course):
             msg = "You have not completed previous Lesson/Quiz/Exercise"
             return view_module(request, learn_module.id, course_id, msg=msg)
     context = {'lesson': learn_unit.lesson, 'user': user,
@@ -2696,13 +2707,20 @@ def design_course(request, course_id):
             if remove_values:
                 course.learning_module.remove(*remove_values)
 
-        if "Change_prerequisite" in request.POST:
+        if "change_prerequisite_completion" in request.POST:
             unit_list = request.POST.getlist("check_prereq")
             for unit in unit_list:
                 learning_module = course.learning_module.get(id=unit)
                 learning_module.toggle_check_prerequisite()
                 learning_module.save()
 
+        if "change_prerequisite_passing" in request.POST:
+            unit_list = request.POST.getlist("check_prereq_passes")
+            for unit in unit_list:
+                learning_module = course.learning_module.get(id=unit)
+                learning_module.toggle_check_prerequisite_passes()
+                learning_module.save()
+
     added_learning_modules = course.get_learning_modules()
     all_learning_modules = LearningModule.objects.filter(
         creator=user, is_trial=False)
@@ -2734,11 +2752,17 @@ def view_module(request, module_id, course_id, msg=None):
         return course_modules(request, course_id, msg)
     all_modules = course.get_learning_modules()
     if learning_module.has_prerequisite():
-        if not learning_module.is_prerequisite_passed(user, course):
+        if not learning_module.is_prerequisite_complete(user, course):
             msg = "You have not completed the module previous to {0}".format(
                 learning_module.name)
             return course_modules(request, course_id, msg)
 
+    if learning_module.check_prerequisite_passes:
+        if not learning_module.is_prerequisite_passed(user, course):
+            msg = "You have not successfully passed the module previous to {0}".format(
+                learning_module.name)
+            return course_modules(request, course_id, msg)
+
     learning_units = learning_module.get_learning_units()
     context['learning_units'] = learning_units
     context['learning_module'] = learning_module