def post(self):
# Read in answers
answer = json.dumps(self.request.POST.items())
assessment_type = self.request.get('assessment_type')
num_correct = self.request.get('num_correct')
num_questions = self.request.get('num_questions')
# Check for enrollment status
student = self.getStudent()
if student:
logging.info(student.key().name() + ':' + answer)
# Find student entity and save answers
student = Student.get_by_key_name(student.key().name().encode('utf8'))
# FIXME: Currently the demonstration course is hardcoded to have
# three assessments: 'precourse', 'midcourse', and 'postcourse'.
# If you would like to have different types of assessments or
# different score weights/thresholds, edit the code below ...
if assessment_type == 'precourse':
score = self.request.get('score')
student.precourse_answer = answer
student.precourse_score = int(float(score))
elif assessment_type == 'midcourse':
score = self.request.get('score')
student.midterm_answer = answer
student.midterm_score = int(float(score))
elif assessment_type == 'postcourse':
score = self.request.get('score')
student.final_answer = answer
student.final_score = int(float(score))
if not student.midterm_score:
student.midterm_score = 0
student.overall_score = int((0.35 * student.midterm_score) + (0.65 * student.final_score))
self.templateValue['score'] = student.overall_score
if student.overall_score >= 70:
assessment_type = 'postcourse_pass'
else:
assessment_type = 'postcourse_fail'
student.put()
# Update student entity in memcache
memcache.set(student.key().name(), student)
# Set template values for nav-x bar
navbar = {'course':True}
self.templateValue['navbar'] = navbar
# Set template values for user
user = users.get_current_user()
if user:
self.templateValue['email'] = user.email()
self.templateValue['logoutUrl'] = users.create_logout_url("/")
# Render confirmation page
self.templateValue['assessment'] = assessment_type
self.render('test_confirmation.html')
else:
self.redirect('/register')
def post(self):
if not users.is_current_user_admin():
self.abort(403)
if not XsrfTokenManager.is_xsrf_token_valid(self.request.POST.get('xsrf_token', ''), 'post'):
self.abort(403, 'XSRF token failed.')
form = self.Form(self.request.POST)
if not form.validate():
self.response.write('<br>'.join(form.errors))
return
student = Student.get_by_key_name(form.email.data)
report = PartReport.on(student, course=self.get_course(),
part=form.part.data,
force_re_run=form.re_run.data,
put=form.really_save.data)
badge_version = choose_badge_version(part_config[form.part.data]['slug'], report.completion())
if badge_version:
badge = Badge.get_by_key_name(badge_version)
if not badge:
self.response.write(' There is no badge with key_name %s (so I cannot issue a badge)' % badge_version)
if form.really_save.data and badge:
b = Badge.issue(badge, student, put=False)
b.evidence = self.request.host_url + '/badges/evidence?id=%d' % report.key().id()
b.put()
self.response.write('Issued badge %s!' % badge_version)
else:
self.response.write('Would have issued badge %s!' % badge_version)
else:
self.response.write('Not issuing because at least one of: %s' % (', '.join(report.incomplete_reasons)))
def get(self):
if not(Roles.is_course_admin(self.app_context)):
self.redirect("preview")
self.response.headers['Content-type'] = 'text/csv'
self.response.headers['Content-disposition'] = 'attachment; filename=students.csv'
course = self.get_course()
assessments=[]
for unit in course.get_units():
if (unit.type=="A"):
assessments.append(str(unit.unit_id))
writer = UnicodeWriter(self.response.out)
keys = Student.all(keys_only=True).run()
rows=[]
for key in keys:
student=Student.get_by_key_name(key.name())
rec={"email": key.name(), "name": student.name, "enrolled": unicode(student.is_enrolled), "dateEnrolled": unicode(student.enrolled_on) }
if (student.scores):
scores=json.loads(student.scores)
for assessmentName, score in scores.iteritems():
rec[assessmentName]=str(score)
rows.append(rec)
headerRow = ["Email", "Name", "Is Enrolled", "Enrolled On"]
for assessmentName in assessments:
headerRow.append(course.find_unit_by_id(assessmentName).title)
writer.writerow(headerRow)
for row in rows:
renderedRow=[row["email"],row["name"],row["enrolled"],row["dateEnrolled"]]
for assessmentName in assessments:
if (assessmentName in row):
renderedRow.append(row[assessmentName])
else:
renderedRow.append("")
writer.writerow(renderedRow)
def getStudent(self):
user = users.get_current_user()
if user:
student = memcache.get(user.email())
if not student:
student = Student.get_by_key_name(user.email())
memcache.set(user.email(), student)
return student
else:
self.redirect(users.create_login_url(self.request.uri))
def getStudent(self):
user = users.get_current_user()
if user:
student = memcache.get(user.email())
if not student:
student = Student.get_by_key_name(user.email())
memcache.set(user.email(), student)
return student
else:
self.redirect(users.create_login_url(self.request.uri))
def get(self):
user = users.get_current_user()
if user:
self.templateValue["email"] = user.email()
self.templateValue["logoutUrl"] = users.create_logout_url("/")
navbar = {"registration": True}
self.templateValue["navbar"] = navbar
# Check for existing registration -> redirect to course page
student = Student.get_by_key_name(user.email())
if student is None:
self.render("register.html")
else:
self.redirect("/course")
def get(self):
user = users.get_current_user()
if user:
self.templateValue['email'] = user.email()
self.templateValue['logoutUrl'] = users.create_logout_url('/')
navbar = {'registration': True}
self.templateValue['navbar'] = navbar
# Check for existing registration -> redirect to course page
student = Student.get_by_key_name(user.email())
if student is None:
self.render('register.html')
else:
self.redirect('/course')
def get(self):
user = users.get_current_user()
if user:
self.templateValue['email'] = user.email()
self.templateValue['logoutUrl'] = users.create_logout_url('/')
navbar = {'registration': True}
self.templateValue['navbar'] = navbar
# Check for existing registration -> redirect to course page
student = Student.get_by_key_name(user.email())
if student is None:
self.render('register.html')
else:
self.redirect('/course')
def update_assessment_transaction(self, key_name, assessment_type,
new_answers, score):
"""Stores answer and updates user scores.
Args:
email: the student's email address.
assessment_type: the title of the assessment.
new_answers: the latest set of answers supplied by the student.
score: the numerical assessment score.
Returns:
the student instance.
"""
student = Student.get_by_key_name(key_name)
if not student or not student.is_enrolled:
raise Exception('Expected enrolled student with key_name "%s".',
key_name)
course = self.get_course()
# It may be that old Student entities don't have user_id set; fix it.
if not student.user_id:
student.user_id = self.get_user().user_id()
answers = StudentAnswersEntity.get_by_key_name(student.user_id)
if not answers:
answers = StudentAnswersEntity(key_name=student.user_id)
answers.updated_on = datetime.datetime.now()
utils.set_answer(answers, assessment_type, new_answers)
store_score(course, student, assessment_type, score)
student.put()
answers.put()
# Also record the event, which is useful for tracking multiple
# submissions and history.
models.EventEntity.record(
'submit-assessment', self.get_user(),
transforms.dumps({
'type': 'assessment-%s' % assessment_type,
'values': new_answers,
'location': 'AnswerHandler'
}))
return student
def update_assessment_transaction(
self, key_name, assessment_type, new_answers, score):
"""Stores answer and updates user scores.
Args:
email: the student's email address.
assessment_type: the title of the assessment.
new_answers: the latest set of answers supplied by the student.
score: the numerical assessment score.
Returns:
the student instance.
"""
student = Student.get_by_key_name(key_name)
if not student or not student.is_enrolled:
raise Exception(
'Expected enrolled student with key_name "%s".', key_name)
course = self.get_course()
# It may be that old Student entities don't have user_id set; fix it.
if not student.user_id:
student.user_id = self.get_user().user_id()
answers = StudentAnswersEntity.get_by_key_name(student.user_id)
if not answers:
answers = StudentAnswersEntity(key_name=student.user_id)
answers.updated_on = datetime.datetime.now()
utils.set_answer(answers, assessment_type, new_answers)
store_score(course, student, assessment_type, score)
student.put()
answers.put()
# Also record the event, which is useful for tracking multiple
# submissions and history.
models.EventEntity.record(
'submit-assessment', self.get_user(), transforms.dumps({
'type': 'assessment-%s' % assessment_type,
'values': new_answers, 'location': 'AnswerHandler'}))
return student
