Fix #525

- Categorize questions into objectives, blanks, upload and programming.

1 files changed, 57 insertions, 1 deletions

diff --git a/yaksh/views.py b/yaksh/views.py
index 0f81931..af4eec1 100644
--- a/yaksh/views.py
+++ b/yaksh/views.py
@@ -561,6 +561,20 @@ def start(request, questionpaper_id=None, attempt_num=None, course_id=None,
             raise Http404(msg)
 
 
+def _get_question_by_index(all_ordered_questions, questions_by_type):
+    return [index+1 for index, item in enumerate(all_ordered_questions)
+            if item in set(questions_by_type)]
+
+
+def _get_questions_by_type(all_ordered_questions, objective_types):
+    questions_by_type = []
+    for types in objective_types:
+        for question in all_ordered_questions:
+            if question.type == types:
+                questions_by_type.append(question)
+    return _get_question_by_index(all_ordered_questions, questions_by_type)
+
+
 @login_required
 @email_verified
 def show_question(request, question, paper, error_message=None,
@@ -568,6 +582,7 @@ def show_question(request, question, paper, error_message=None,
                   previous_question=None):
     """Show a question if possible."""
     quiz = paper.question_paper.quiz
+    questions = paper.questions.all()
     quiz_type = 'Exam'
     can_skip = False
     if previous_question:
@@ -616,6 +631,46 @@ def show_question(request, question, paper, error_message=None,
     module = course.learning_module.get(id=module_id)
     all_modules = course.get_learning_modules()
     all_question_types = [types[0] for types in question_types]
+    types = {}
+    categories = {}
+    categories["objectives"] = questions.filter(Q(type="mcq") |
+                                                Q(type="mcc") |
+                                                Q(type="arrange"))
+    categories["blanks"] = questions.filter(Q(type="integer") |
+                                            Q(type="string") |
+                                            Q(type="float"))
+    categories["programming"] = questions.filter(Q(type="code"))
+    categories["upload"] = questions.filter(Q(type="upload"))
+    types["objective_types"] = set([type_.type
+                                    for type_ in categories["objectives"]])
+    types["blank_types"] = set([type_.type
+                                for type_ in categories["blanks"]])
+    types["programming_types"] = set([type_.type
+                                      for type_ in categories["programming"]])
+    types["upload_types"] = set([type_.type
+                                 for type_ in categories["upload"]])
+    all_ordered_questions = paper.get_all_ordered_questions()
+    objectives_index = _get_questions_by_type(
+                            all_ordered_questions,
+                            types["objective_types"]
+                        )
+    blanks_index = _get_questions_by_type(
+                        all_ordered_questions,
+                        types["blank_types"]
+                    )
+    programming_index = _get_questions_by_type(
+                            all_ordered_questions,
+                            types["programming_types"]
+                        )
+    upload_index = _get_questions_by_type(
+                        all_ordered_questions,
+                        types["upload_types"]
+                    )
+    index = {}
+    index["objectives_index"] = objectives_index
+    index["blanks_index"] = blanks_index
+    index["programming_index"] = programming_index
+    index["upload_index"] = upload_index
     context = {
         'question': question,
         'paper': paper,
@@ -631,7 +686,8 @@ def show_question(request, question, paper, error_message=None,
         'delay_time': delay_time,
         'quiz_type': quiz_type,
         'all_modules': all_modules,
-        "question_types": all_question_types
+        "question_types": all_question_types,
+        "index": index,
     }
     answers = paper.get_previous_answers(question)
     if answers: