def write_user(
user_rep
): # user_rep = [identifier, password, role] guest has an extra field for enrolment application
session = DBSession()
if user_rep[2] != 'guest':
new_user = models.User(uid=user_rep[0],
password=user_rep[1],
role=user_rep[2])
else:
new_user = models.Guest(uid=user_rep[0],
password=user_rep[1],
role=user_rep[2],
enrolled='False')
enrolment = user_rep[3].split(' ')
EnrolmentController.write_enrolment(
[enrolment[0], enrolment[1], user_rep[0]])
session.add(new_user)
success = True
try:
session.commit()
except:
success = False
session.close()
return success
def write_survey(course_name, course_session, starttime, endtime,
questions):
session = DBSession()
state = 'created'
if starttime < datetime.now():
state = 'review'
if endtime < datetime.now():
state = 'deactivate'
new_survey = models.Survey(course_name=course_name,
course_session=course_session,
starttime=starttime,
endtime=endtime,
state=state)
session.add(new_survey)
for qid in questions:
new_question = models.SurveyQStore(course_name=course_name,
course_session=course_session,
qid=qid)
session.add(new_question)
try:
session.commit()
except:
return False
session.close()
return True
def delete_question(question_id):
session = DBSession()
question = session.query(
models.Question).filter(models.Question.id == question_id).first()
question.deleted = 'True'
session.commit()
session.close()
def write_course(course_rep): # course_rep = [name, session]
session = DBSession()
new_course = models.Course(name=course_rep[0], session=course_rep[1])
session.add(new_course)
try:
session.commit()
except:
pass
session.close()
def approve_enrolment(user_id):
session = DBSession()
user = session.query(
models.Guest).filter(models.Guest.uid == user_id).first()
user.enrolled = "True"
session.commit()
session.close()
def set_survey_active(course_name, course_session):
session = DBSession()
survey = session.query(models.Survey).filter(
models.Survey.course_name == course_name).filter(
models.Survey.course_session == course_session).first()
survey.state = 'active'
session.commit()
session.close()
def set_survey_completed(course_name, course_session, user_id):
session = DBSession()
enrolment = session.query(
models.Enrolment).filter(models.Enrolment.uid == user_id).filter(
models.Enrolment.course_name == course_name).filter(
models.Enrolment.course_session == course_session).first()
enrolment.completed = 'True'
session.commit()
session.close()
def survey_add_questions(course, questions):
session = DBSession()
course_list = course.split(" ")
for qid in questions:
new_question = models.SurveyQStore(course_name=course_list[0],
course_session=course_list[1],
qid=qid)
session.add(new_question)
session.commit()
session.close()
def close_survey(course_name, course_session):
session = DBSession()
survey = session.query(models.Survey).filter(
models.Survey.course_name == course_name).filter(
models.Survey.course_session == course_session).first()
if survey.endtime < datetime.now():
survey.state = 'closed'
session.commit()
session.close
def set_review_after_start(survey):
if survey.starttime < datetime.now():
session = DBSession()
sur = session.query(models.Survey).filter(
models.Survey.course_name == survey.course_name).filter(
models.Survey.course_session ==
survey.course_session).first()
if sur.state == 'created':
sur.state = 'review'
session.commit()
session.close()
def write_enrolment(
enrolment_rep
): # enrolment_rep = [course_name, course_session, user_id]
session = DBSession()
new_enrolment = models.Enrolment(course_name=enrolment_rep[0],
course_session=enrolment_rep[1],
uid=enrolment_rep[2],
completed='False')
session.add(new_enrolment)
try:
session.commit()
except:
pass
session.close()
def set_deactivate_after_end(survey):
if survey.endtime < datetime.now():
session = DBSession()
sur = session.query(models.Survey).filter(
models.Survey.course_name == survey.course_name).filter(
models.Survey.course_session ==
survey.course_session).first()
if sur.state == 'created' or sur.state == 'review':
sur.state = 'deactivate'
elif sur.state == 'active':
sur.state = 'adeactivate'
session.commit()
session.close()
def write_response(course_name, course_session, qid, response):
session = DBSession()
response = models.Responses(course_name=course_name,
course_session=course_session,
qid=qid,
response=response)
session.add(response)
try:
session.commit()
except:
session.close()
return False
session.close()
return True
def write_question(
question_rep
): # question_rep = [question_text, [answers], is_optional]
session = DBSession()
new_question = models.Question(question=question_rep[0],
ans="|".join(question_rep[1]),
deleted='False',
is_optional=question_rep[2])
session.add(new_question)
try:
session.commit()
except:
print('error: Question alread exists!')
return False
session.close()
return True
