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-rw-r--r--yaksh/models.py396
1 files changed, 250 insertions, 146 deletions
diff --git a/yaksh/models.py b/yaksh/models.py
index 407435e..ceb763f 100644
--- a/yaksh/models.py
+++ b/yaksh/models.py
@@ -123,11 +123,13 @@ MOD_GROUP_NAME = 'moderator'
def get_assignment_dir(instance, filename):
- folder_name = instance.course.name.replace(" ", "_")
- sub_folder_name = instance.question_paper.quiz.description.replace(
- " ", "_")
- return os.sep.join((folder_name, sub_folder_name, instance.user.username,
- str(instance.assignmentQuestion.id),
+ course_id = instance.answer_paper.course_id
+ quiz_id = instance.answer_paper.question_paper.quiz_id
+ folder = f'Course_{course_id}'
+ sub_folder = f'Quiz_{quiz_id}'
+ user = instance.answer_paper.user.username
+ return os.sep.join((folder, sub_folder, user,
+ str(instance.assignmentQuestion_id),
filename
))
@@ -323,7 +325,6 @@ class Lesson(models.Model):
lesson_files = self.get_files()
new_lesson = self
new_lesson.id = None
- new_lesson.name = "Copy of {0}".format(self.name)
new_lesson.creator = user
new_lesson.save()
for _file in lesson_files:
@@ -602,7 +603,6 @@ class Quiz(models.Model):
question_papers = self.questionpaper_set.all()
new_quiz = self
new_quiz.id = None
- new_quiz.description = "Copy of {0}".format(self.description)
new_quiz.creator = user
new_quiz.save()
for qp in question_papers:
@@ -848,12 +848,13 @@ class LearningModule(models.Model):
percent = round((count / units.count()) * 100)
return percent
- def _create_module_copy(self, user, module_name):
+ def _create_module_copy(self, user, module_name=None):
learning_units = self.learning_unit.order_by("order")
new_module = self
new_module.id = None
- new_module.name = module_name
new_module.creator = user
+ if module_name:
+ new_module.name = module_name
new_module.save()
for unit in learning_units:
new_unit = unit._create_unit_copy(user)
@@ -959,8 +960,8 @@ class Course(models.Model):
copy_course_name = "Copy Of {0}".format(self.name)
new_course = self._create_duplicate_instance(user, copy_course_name)
for module in learning_modules:
- copy_module_name = "Copy of {0}".format(module.name)
- new_module = module._create_module_copy(user, copy_module_name)
+ copy_module_name = module.name
+ new_module = module._create_module_copy(user)
new_course.learning_module.add(new_module)
return new_course
@@ -994,13 +995,13 @@ class Course(models.Model):
return self.rejected.all()
def is_enrolled(self, user):
- return user in self.students.all()
+ return self.students.filter(id=user.id).exists()
def is_creator(self, user):
return self.creator == user
def is_teacher(self, user):
- return True if user in self.teachers.all() else False
+ return self.teachers.filter(id=user.id).exists()
def is_self_enroll(self):
return True if self.enrollment == enrollment_methods[1][0] else False
@@ -1064,13 +1065,13 @@ class Course(models.Model):
return success
def get_only_students(self):
- teachers = list(self.teachers.all().values_list("id", flat=True))
+ teachers = list(self.teachers.values_list("id", flat=True))
teachers.append(self.creator.id)
students = self.students.exclude(id__in=teachers)
return students
def get_learning_modules(self):
- return self.learning_module.order_by("order")
+ return self.learning_module.filter(is_trial=False).order_by("order")
def get_learning_module(self, quiz):
modules = self.get_learning_modules()
@@ -1162,7 +1163,7 @@ class Course(models.Model):
return grade
def get_current_unit(self, user):
- course_status = CourseStatus.objects.filter(course=self, user=user)
+ course_status = CourseStatus.objects.filter(course=self, user_id=user)
if course_status.exists():
return course_status.first().current_unit
@@ -1183,7 +1184,7 @@ class Course(models.Model):
return percentage
def is_student(self, user):
- return user in self.students.all()
+ return self.students.filter(id=user.id).exists()
def create_zip(self, path, static_files):
zip_file_name = string_io()
@@ -1333,7 +1334,7 @@ class Profile(models.Model):
super(Profile, self).save(*args, **kwargs)
def __str__(self):
- return '%s' % (self.user.get_full_name())
+ return '%s' % (self.user.get_full_name() or self.user.username)
###############################################################################
@@ -1383,7 +1384,9 @@ class Question(models.Model):
# Solution for the question.
solution = models.TextField(blank=True)
- content = GenericRelation("TableOfContents")
+ content = GenericRelation(
+ "TableOfContents", related_query_name='questions'
+ )
tc_code_types = {
"python": [
@@ -1442,7 +1445,7 @@ class Question(models.Model):
for file in files]
if self.type == "upload":
assignment_files = AssignmentUpload.objects.filter(
- assignmentQuestion=self, user=user
+ assignmentQuestion=self
)
if assignment_files:
metadata['assign_files'] = [(file.assignmentFile.path, False)
@@ -1756,7 +1759,8 @@ class QuestionPaperManager(models.Manager):
def create_trial_paper_to_test_quiz(self, trial_quiz, original_quiz_id):
"""Creates a trial question paper to test quiz."""
- trial_quiz.questionpaper_set.all().delete()
+ if self.filter(quiz=trial_quiz).exists():
+ self.get(quiz=trial_quiz).delete()
trial_questionpaper, trial_questions = \
self._create_trial_from_questionpaper(original_quiz_id)
trial_questionpaper.quiz = trial_quiz
@@ -1839,7 +1843,8 @@ class QuestionPaper(models.Model):
all_questions = questions
return all_questions
- def make_answerpaper(self, user, ip, attempt_num, course_id, special=False):
+ def make_answerpaper(self,
+ user, ip, attempt_num, course_id, special=False):
"""Creates an answer paper for the user to attempt the quiz"""
try:
ans_paper = AnswerPaper.objects.get(user=user,
@@ -1955,6 +1960,12 @@ class QuestionPaper(models.Model):
list(self.random_questions.all())
return len(questions) > 0
+ def get_questions_count(self):
+ que_count = self.fixed_questions.count()
+ for r_set in self.random_questions.all():
+ que_count += r_set.num_questions
+ return que_count
+
def __str__(self):
return "Question Paper for " + self.quiz.description
@@ -1981,32 +1992,6 @@ class QuestionSet(models.Model):
###############################################################################
class AnswerPaperManager(models.Manager):
- def get_all_questions(self, questionpaper_id, attempt_number, course_id,
- status='completed'):
- ''' Return a dict of question id as key and count as value'''
- papers = self.filter(question_paper_id=questionpaper_id,
- course_id=course_id,
- attempt_number=attempt_number, status=status)
- all_questions = list()
- questions = list()
- for paper in papers:
- all_questions += paper.get_questions()
- for question in all_questions:
- questions.append(question.id)
- return Counter(questions)
-
- def get_all_questions_answered(self, questionpaper_id, attempt_number,
- course_id, status='completed'):
- ''' Return a dict of answered question id as key and count as value'''
- papers = self.filter(question_paper_id=questionpaper_id,
- course_id=course_id,
- attempt_number=attempt_number, status=status)
- questions_answered = list()
- for paper in papers:
- for question in filter(None, paper.get_questions_answered()):
- if paper.is_answer_correct(question):
- questions_answered.append(question.id)
- return Counter(questions_answered)
def get_attempt_numbers(self, questionpaper_id, course_id,
status='completed'):
@@ -2039,25 +2024,49 @@ class AnswerPaperManager(models.Manager):
def get_question_statistics(self, questionpaper_id, attempt_number,
course_id, status='completed'):
''' Return dict with question object as key and list as value
- The list contains two value, first the number of times a question
- was answered correctly, and second the number of times a question
- appeared in a quiz'''
+ The list contains four values, first total attempts, second correct
+ attempts, third correct percentage, fourth per test case answers
+ a question
+ '''
question_stats = {}
- questions_answered = self.get_all_questions_answered(questionpaper_id,
- attempt_number,
- course_id)
- questions = self.get_all_questions(questionpaper_id, attempt_number,
- course_id)
- all_questions = Question.objects.filter(
- id__in=set(questions),
- active=True
- ).order_by('type')
- for question in all_questions:
- if question.id in questions_answered:
- question_stats[question] = [questions_answered[question.id],
- questions[question.id]]
- else:
- question_stats[question] = [0, questions[question.id]]
+ qp = QuestionPaper.objects.get(id=questionpaper_id)
+ all_questions = qp.get_question_bank()
+ que_ids = [que.id for que in all_questions]
+ papers = self.filter(
+ question_paper_id=questionpaper_id, course_id=course_id,
+ attempt_number=attempt_number, status=status
+ ).values_list("id", flat=True)
+ answers = Answer.objects.filter(
+ answerpaper__id__in=papers, question_id__in=que_ids
+ ).order_by("id").values(
+ "answerpaper__id", "question_id", "correct", "answer"
+ )
+
+ def _get_per_tc_data(answers, q_type):
+ tc = []
+ for answer in answers["answer"]:
+ try:
+ ans = literal_eval(answer) if answer else None
+ tc.extend(ans) if q_type == "mcc" else tc.append(str(ans))
+ except Exception:
+ pass
+ return dict(Counter(tc))
+ df = pd.DataFrame(answers)
+ if not df.empty:
+ for question in all_questions:
+ que = df[df["question_id"] == question.id].groupby(
+ "answerpaper__id").tail(1)
+ if not que.empty:
+ total_attempts = que.shape[0]
+ correct_attempts = que[que["correct"] == True].shape[0]
+ per_tc_ans = {}
+ if question.type in ["mcq", "mcc"]:
+ per_tc_ans = _get_per_tc_data(que, question.type)
+ question_stats[question] = (
+ total_attempts, correct_attempts,
+ round((correct_attempts/total_attempts)*100),
+ per_tc_ans
+ )
return question_stats
def _get_answerpapers_for_quiz(self, questionpaper_id, course_id,
@@ -2136,11 +2145,52 @@ class AnswerPaperManager(models.Manager):
best_attempt = 0.0
papers = self.filter(question_paper__quiz_id=quiz.id,
course_id=course_id,
- user=user_id).values("marks_obtained")
- if papers:
- best_attempt = max([marks["marks_obtained"] for marks in papers])
+ user=user_id).order_by("-marks_obtained").values(
+ "marks_obtained")
+ if papers.exists():
+ best_attempt = papers[0]["marks_obtained"]
return best_attempt
+ def get_user_scores(self, question_papers, user, course_id):
+ if not question_papers:
+ return None
+ qp_ids = list(zip(*question_papers))[0]
+ papers = self.filter(
+ course_id=course_id, user_id=user.get("id"),
+ question_paper__id__in=qp_ids
+ ).values("question_paper_id", "marks_obtained")
+ df = pd.DataFrame(papers)
+ user_marks = 0
+ ap_data = None
+ if not df.empty:
+ ap_data = df.groupby("question_paper_id").tail(1)
+ for qp_id, quiz, quiz_marks in question_papers:
+ if ap_data is not None:
+ qp = ap_data['question_paper_id'].to_list()
+ marks = ap_data['marks_obtained'].to_list()
+ if qp_id in qp:
+ idx = qp.index(qp_id)
+ user_marks += marks[idx]
+ user[f"{quiz}-{quiz_marks}-Marks"] = marks[idx]
+ else:
+ user[f"{quiz}-{quiz_marks}-Marks"] = 0
+ else:
+ user[f"{quiz}-{quiz_marks}-Marks"] = 0
+ user.pop("id")
+ user["total_marks"] = user_marks
+
+ def get_questions_attempted(self, answerpaper_ids):
+ answers = Answer.objects.filter(
+ answerpaper__id__in=answerpaper_ids
+ ).values("question_id", "answerpaper__id")
+ df = pd.DataFrame(answers)
+ if not df.empty and "answerpaper__id" in df.columns:
+ answerpapers = df.groupby("answerpaper__id")
+ question_attempted = {}
+ for ap in answerpapers:
+ question_attempted[ap[0]] = len(ap[1]["question_id"].unique())
+ return question_attempted
+
###############################################################################
class AnswerPaper(models.Model):
@@ -2214,15 +2264,30 @@ class AnswerPaper(models.Model):
'attempt_number', "course"
)
- def get_per_question_score(self, question_id):
- questions = self.get_questions().values_list('id', flat=True)
- if question_id not in questions:
- return 'NA'
- answer = self.get_latest_answer(question_id)
- if answer:
- return answer.marks
- else:
- return 0
+ def get_per_question_score(self, question_ids):
+ if not question_ids:
+ return None
+ que_ids = list(zip(*question_ids))[1]
+ answers = self.answers.filter(
+ question_id__in=que_ids).values("question_id", "marks")
+ que_data = {}
+ df = pd.DataFrame(answers)
+ ans_data = None
+ if not df.empty:
+ ans_data = df.groupby("question_id").tail(1)
+ for que_summary, que_id, que_comments in question_ids:
+ if ans_data is not None:
+ ans = ans_data['question_id'].to_list()
+ marks = ans_data['marks'].to_list()
+ if que_id in ans:
+ idx = ans.index(que_id)
+ que_data[que_summary] = marks[idx]
+ else:
+ que_data[que_summary] = 0
+ else:
+ que_data[que_summary] = 0
+ que_data[que_comments] = "NA"
+ return que_data
def current_question(self):
"""Returns the current active question to display."""
@@ -2323,14 +2388,20 @@ class AnswerPaper(models.Model):
secs = dt.seconds + dt.days*24*3600
return secs
+ def _get_marks_for_question(self, question):
+ marks = 0.0
+ answers = question.answer_set.filter(answerpaper=self)
+ if answers.exists():
+ marks = [answer.marks for answer in answers]
+ max_marks = max(marks)
+ marks = max_marks
+ return marks
+
def _update_marks_obtained(self):
"""Updates the total marks earned by student for this paper."""
- marks = 0
+ marks = 0.0
for question in self.questions.all():
- marks_list = [a.marks
- for a in self.answers.filter(question=question)]
- max_marks = max(marks_list) if marks_list else 0.0
- marks += max_marks
+ marks += self._get_marks_for_question(question)
self.marks_obtained = marks
def _update_percent(self):
@@ -2378,38 +2449,19 @@ class AnswerPaper(models.Model):
corresponding answers.
"""
q_a = {}
- for answer in self.answers.all():
- question = answer.question
- if question in q_a:
- q_a[question].append({
- 'answer': answer,
- 'error_list': [e for e in json.loads(answer.error)]
- })
- else:
- q_a[question] = [{
+ for question in self.questions.all():
+ answers = question.answer_set.filter(answerpaper=self).distinct()
+ if not answers.exists():
+ q_a[question] = [None, 0.0]
+ continue
+ ans_errs = []
+ for answer in answers:
+ ans_errs.append({
'answer': answer,
'error_list': [e for e in json.loads(answer.error)]
- }]
-
- q_a.update(
- { q: [] for q in self.questions_unanswered.all() }
- )
-
- for question, answers in q_a.items():
- answers = q_a[question]
- if answers:
- q_a[question].append({
- 'marks': max([
- answer['answer'].marks
- for answer in answers
- if question == answer['answer'].question
- ]),
})
- else:
- q_a[question].append({
- 'marks': 0.0,
- })
-
+ q_a[question] = ans_errs
+ q_a[question].append(self._get_marks_for_question(question))
return q_a
def get_latest_answer(self, question_id):
@@ -2533,25 +2585,17 @@ class AnswerPaper(models.Model):
self.user, self.question_paper.quiz.description,
question_id
)
- return False, msg + 'Question not in the answer paper.'
+ return False, f'{msg} Question not in the answer paper.'
user_answer = self.answers.filter(question=question).last()
- if not user_answer:
- return False, msg + 'Did not answer.'
+ if not user_answer or not user_answer.answer:
+ return False, f'{msg} Did not answer.'
if question.type in ['mcc', 'arrange']:
try:
answer = literal_eval(user_answer.answer)
if type(answer) is not list:
- return (False,
- msg + '{0} answer not a list.'.format(
- question.type
- )
- )
+ return (False, f'{msg} {question.type} answer not a list.')
except Exception:
- return (False,
- msg + '{0} answer submission error'.format(
- question.type
- )
- )
+ return (False, f'{msg} {question.type} answer submission error')
else:
answer = user_answer.answer
json_data = question.consolidate_answer_data(answer) \
@@ -2599,16 +2643,19 @@ class AssignmentUploadManager(models.Manager):
def get_assignments(self, qp, que_id=None, user_id=None, course_id=None):
if que_id and user_id:
assignment_files = AssignmentUpload.objects.filter(
- assignmentQuestion_id=que_id, user_id=user_id,
- question_paper=qp, course_id=course_id
+ assignmentQuestion_id=que_id,
+ answer_paper__user_id=user_id,
+ answer_paper__question_paper=qp,
+ answer_paper__course_id=course_id
)
file_name = User.objects.get(id=user_id).get_full_name()
else:
assignment_files = AssignmentUpload.objects.filter(
- question_paper=qp, course_id=course_id
+ answer_paper__question_paper=qp,
+ answer_paper__course_id=course_id
)
file_name = "{0}_Assignment_files".format(
- assignment_files[0].course.name
+ assignment_files[0].answer_paper.course.name
)
return assignment_files, file_name
@@ -2616,15 +2663,18 @@ class AssignmentUploadManager(models.Manager):
##############################################################################
class AssignmentUpload(models.Model):
- user = models.ForeignKey(User, on_delete=models.CASCADE)
assignmentQuestion = models.ForeignKey(Question, on_delete=models.CASCADE)
- assignmentFile = models.FileField(upload_to=get_assignment_dir, max_length=255)
- question_paper = models.ForeignKey(QuestionPaper, blank=True, null=True,
- on_delete=models.CASCADE)
- course = models.ForeignKey(Course, null=True, blank=True,
- on_delete=models.CASCADE)
+ assignmentFile = models.FileField(upload_to=get_assignment_dir,
+ max_length=255)
+ answer_paper = models.ForeignKey(AnswerPaper, blank=True, null=True,
+ on_delete=models.CASCADE)
+ upload_date = models.DateTimeField(auto_now=True)
+
objects = AssignmentUploadManager()
+ def __str__(self):
+ return f'Assignment File of the user {self.answer_paper.user}'
+
##############################################################################
class TestCase(models.Model):
@@ -2838,6 +2888,16 @@ class TOCManager(models.Manager):
"student_id", flat=True).distinct().count()
return data
+ def get_all_tocs_as_yaml(self, course_id, lesson_id, file_path):
+ all_tocs = TableOfContents.objects.filter(
+ course_id=course_id, lesson_id=lesson_id,
+ )
+ if not all_tocs.exists():
+ return None
+ for toc in all_tocs:
+ toc.get_toc_as_yaml(file_path)
+ return file_path
+
def get_question_stats(self, toc_id):
answers = LessonQuizAnswer.objects.get_queryset().filter(
toc_id=toc_id).order_by('id')
@@ -2845,7 +2905,7 @@ class TOCManager(models.Manager):
if answers.exists():
answers = answers.values(
"student__first_name", "student__last_name", "student__email",
- "student_id", "toc_id"
+ "student_id", "student__profile__roll_number", "toc_id"
)
df = pd.DataFrame(answers)
answers = df.drop_duplicates().to_dict(orient='records')
@@ -2871,7 +2931,7 @@ class TOCManager(models.Manager):
if j not in mydata:
mydata[j] = 1
else:
- mydata[j] +=1
+ mydata[j] += 1
data = mydata.copy()
if is_percent:
for key, value in data.items():
@@ -2917,17 +2977,20 @@ class TOCManager(models.Manager):
if not is_valid_time_format(time):
messages.append(
(False,
- f"Invalid time format in {name}. "
+ f"Invalid time format in {name}. "
"Format should be 00:00:00")
- )
+ )
else:
if content_type == 1:
topic = Topic.objects.create(**content)
toc.append(TableOfContents(
- course_id=course_id, lesson_id=lesson_id, time=time,
+ course_id=course_id,
+ lesson_id=lesson_id, time=time,
content_object=topic, content=content_type
))
- messages.append((True, f"{topic.name} added successfully"))
+ messages.append(
+ (True, f"{topic.name} added successfully")
+ )
else:
content['user'] = user
test_cases = content.pop("testcase")
@@ -2944,10 +3007,13 @@ class TOCManager(models.Manager):
else:
que = Question.objects.create(**content)
for test_case in test_cases:
- test_case_type = test_case.pop('test_case_type')
+ test_case_type = test_case.pop(
+ 'test_case_type'
+ )
model_class = get_model_class(test_case_type)
model_class.objects.get_or_create(
- question=que, **test_case, type=test_case_type
+ question=que,
+ **test_case, type=test_case_type
)
toc.append(TableOfContents(
course_id=course_id, lesson_id=lesson_id,
@@ -2963,7 +3029,12 @@ class TOCManager(models.Manager):
class TableOfContents(models.Model):
- toc_types = ((1, "Topic"), (2, "Graded Quiz"), (3, "Exercise"), (4, "Poll"))
+ toc_types = (
+ (1, "Topic"),
+ (2, "Graded Quiz"),
+ (3, "Exercise"),
+ (4, "Poll")
+ )
course = models.ForeignKey(Course, on_delete=models.CASCADE,
related_name='course')
lesson = models.ForeignKey(Lesson, on_delete=models.CASCADE,
@@ -2981,11 +3052,44 @@ class TableOfContents(models.Model):
def get_toc_text(self):
if self.content == 1:
- content_name = self.content_object.name
+ content_name = self.content_object.name
else:
content_name = self.content_object.summary
return content_name
+ def get_toc_as_yaml(self, file_path):
+ data = {'content_type': self.content, 'time': self.time}
+ if self.topics.exists():
+ content = self.topics.first()
+ data.update(
+ {
+ 'name': content.name,
+ 'description': content.description,
+ }
+ )
+ elif self.questions.exists():
+ content = self.questions.first()
+ tc_data = []
+ for tc in content.get_test_cases():
+ _tc_as_dict = model_to_dict(
+ tc, exclude=['id', 'testcase_ptr', 'question'],
+ )
+ tc_data.append(_tc_as_dict)
+ data.update(
+ {
+ 'summary': content.summary,
+ 'type': content.type,
+ 'language': content.language,
+ 'description': content.description,
+ 'points': content.points,
+ 'testcase': tc_data,
+ }
+ )
+ yaml_block = dict_to_yaml(data)
+ with open(file_path, "a") as yaml_file:
+ yaml_file.write(yaml_block)
+ return yaml_file
+
def __str__(self):
return f"TOC for {self.lesson.name} with {self.get_content_display()}"
@@ -2993,7 +3097,7 @@ class TableOfContents(models.Model):
class Topic(models.Model):
name = models.CharField(max_length=255)
description = models.TextField(null=True, blank=True)
- content = GenericRelation(TableOfContents)
+ content = GenericRelation(TableOfContents, related_query_name='topics')
def __str__(self):
return f"{self.name}"