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-rw-r--r--yaksh/models.py69
1 files changed, 69 insertions, 0 deletions
diff --git a/yaksh/models.py b/yaksh/models.py
index f6867f0..ad64f2a 100644
--- a/yaksh/models.py
+++ b/yaksh/models.py
@@ -151,6 +151,42 @@ class Course(models.Model):
objects = CourseManager()
+ def create_duplicate_course(self, user):
+ quizzes = self.quiz_set.all()
+ prerequisite_map = []
+ duplicate_quiz_map = {}
+ new_course = Course.objects.create(creator=user,
+ name="Copy Of {0}".format(self.name),
+ enrollment=self.enrollment,
+ active=self.active,
+ is_trial=self.is_trial,
+ instructions=self.instructions,
+ start_enroll_time=self.start_enroll_time,
+ end_enroll_time=self.end_enroll_time
+ )
+
+ new_course.teachers.add(*self.teachers.all())
+
+ for q in quizzes:
+ new_quiz = q._create_duplicate_quiz(new_course)
+ if q.id not in duplicate_quiz_map.keys():
+ duplicate_quiz_map[q.id] = new_quiz.id
+
+ for orig_qid, dupl_qid in duplicate_quiz_map.items():
+ original_quiz = Quiz.objects.get(id=orig_qid)
+ if original_quiz.prerequisite:
+ duplicate_quiz = Quiz.objects.get(id=dupl_qid)
+ prereq_id = original_quiz.prerequisite.id
+ duplicate_prereq_id = duplicate_quiz_map.get(prereq_id)
+ if duplicate_prereq_id:
+ duplicate_prerequisite = Quiz.objects.get(
+ id=duplicate_prereq_id
+ )
+ duplicate_quiz.prerequisite = duplicate_prerequisite
+ duplicate_quiz.save()
+
+ return new_course
+
def request(self, *users):
self.requests.add(*users)
@@ -656,6 +692,28 @@ class Quiz(models.Model):
def has_prerequisite(self):
return True if self.prerequisite else False
+ def _create_duplicate_quiz(self, course):
+ questionpaper = self.questionpaper_set.all()
+ new_quiz = Quiz.objects.create(course=course,
+ start_date_time=self.start_date_time,
+ end_date_time=self.end_date_time,
+ duration=self.duration,
+ active=self.active,
+ description="Copy Of {0}".format(self.description),
+ pass_criteria=self.pass_criteria,
+ language=self.language,
+ attempts_allowed=self.attempts_allowed,
+ time_between_attempts=self.time_between_attempts,
+ is_trial=self.is_trial,
+ instructions=self.instructions,
+ allow_skip=self.allow_skip
+ )
+
+ for qp in questionpaper:
+ qp._create_duplicate_questionpaper(new_quiz)
+
+ return new_quiz
+
def create_demo_quiz(self, course):
demo_quiz = Quiz.objects.create(
start_date_time=timezone.now(),
@@ -741,6 +799,17 @@ class QuestionPaper(models.Model):
objects = QuestionPaperManager()
+ def _create_duplicate_questionpaper(self, quiz):
+ new_questionpaper = QuestionPaper.objects.create(quiz=quiz,
+ shuffle_questions=self.shuffle_questions,
+ total_marks=self.total_marks,
+ fixed_question_order=self.fixed_question_order
+ )
+ new_questionpaper.fixed_questions.add(*self.fixed_questions.all())
+ new_questionpaper.random_questions.add(*self.random_questions.all())
+
+ return new_questionpaper
+
def update_total_marks(self):
""" Updates the total marks for the Question Paper"""
marks = 0.0