def post(self, q_id):
#TODO check if the question has already been answered by the user, if so, do not post the new answer
#get the current user, this is important if we are to take an answer for this question
user=users.get_current_user()
if not user:
self.redirect(users.create_login_url(self.request.uri))
#ensure that credential to answer exists
createDefaultCredential(user)
#initialize a new AnsweredQuestion
#aq=AnsweredQuestion()
#get the id of the Answer which has been selected
a_id=self.request.get('answer')
question=None
answer=None
try:
question=dbhelper.fetchQuestion(int(q_id))
answer=dbhelper.getAnswer(int(a_id))
except dbhelper.InvalidIdError:
self.response.out.write("F")
return
if answer is not None:
#then a valid answer has been given for some question
#aq.user=user.user_id() #put the user name
#aq.answer=query.get().key #the key id of the answer that has been given by him
#try:
# aq.put() #write it to DB
# self.response.out.write("S") #write a flag indicating success
#except TransactionFailedError: #some bug here
# self.response.out.write("F")
result=insertQuestionAnswered(user,question.key,answer.key)
self.response.out.write(result)
else:
#invalid answer given
self.response.out.write("F")
def get(self, q_id):
user=users.get_current_user()
if not user:
self.redirect(users.create_login_url(self.request.uri))
#now the above map gives the p(theta) for the given question
#need to format data and send it to page
###############################################
question=None
try:
question=dbhelper.fetchQuestion(int(q_id))
except InvalidIdError:
self.response.out.write("No such page") #TODO replace with proper 404 code
return
(answers,correctAnswereeThetas,totalAnswereeThetas)=DistributionAnalyzer().analyzeQuestion(question)
vals={'question':question,'answers':answers,'correctDist':correctAnswereeThetas,'current_user':user}
template=jinjaEnv.get_template("perform.html")
self.response.out.write(template.render(vals))
def get(self, q_id):
global answers, correct_distribution, total_distribution
q_key = int(q_id)
c = 0.25 # will have to be made flexible
calc_a = calc_b = calc_c = 0.0
try:
question = dbhelper.fetchQuestion(q_key)
(answers, correct_distribution, total_distribution) = DistributionAnalyzer().analyzeQuestion(question)
(calc_a, calc_b, calc_c) = calculateParameters()
question.a = calc_a
question.b = calc_b
question.c = calc_c
except InvalidIdError:
self.response.out.write("F") # a 404 page should not be given here
return
if question is not None:
question.put()
self.response.out.write("%f,%f,%f" % (calc_a, calc_b, calc_c))
def post(self):
q_id=self.request.get('qid')
q_key=int(q_id)
computation.question=None
try:
computation.question=dbhelper.fetchQuestion(q_key)
except InvalidIdError:
logging.info("Invalid question %s"%q_id)
return
(computation.answers,computation.correct_distribution,computation.total_distribution)=DistributionAnalyzer().analyzeQuestion(computation.question)
def worker():
logging.info("Started parameter calculator task for %s"%q_id)
calc_a=calc_b=calc_c=0.0
(calc_a,calc_b,calc_c)=computation.calculateParameters()
computation.question.a=calc_a
computation.question.b=calc_b
computation.question.c=calc_c
computation.question.put()
ndb.transaction(worker)
def get(self,q_id):
#get the current user
user=users.get_current_user()
if not user: #if user object is None i.e. No user can be determined
#redirect to the user authentication page
self.redirect(users.create_login_url(self.request.uri))
question=None
answers=[]
try:
question=dbhelper.fetchQuestion(int(q_id))
answers=dbhelper.fetchAnswersOf(question)
except dbhelper.InvalidIdError:
question=Question(question="Could not find this question") #should ideally redirect to 404 page
#Values to pass to the View component
vals={'question':question,'answers':answers,'current_user':user}
#render to the template
template=jinjaEnv.get_template('answerQuestion.html')
#write it to the handler's output stream
self.response.out.write(template.render(vals))
