def get(self):
cookie = self.request.get('cookie')
self.response.headers['Content-Type'] = 'application/json; charset=utf-8'
if not cookie:
error = json_error('vote', 'failure', 'cookie')
self.response.write(json.dumps(error))
else:
id = self.request.get('id')
if not id:
error = json_error('vote', 'failure', 'no id')
self.response.write(json.dumps(error))
else:
session = Session.query(Session.cookie == cookie).get()
if not session:
error = json_error('vote', 'failure', 'session')
self.response.write(error)
else:
key = ndb.Key(urlsafe=id)
submission = key.get()
if not submission:
error = json_error('vote', 'failure', 'no submission')
self.response.write(error)
else:
value = self.request.get('value')
if not value:
error = json_error('vote', 'failure', 'value')
self.response.write(error)
else:
value = int(value)
if value < -1 or value > 1:
error = json_error('vote', 'failure', 'value')
self.response.write(error)
else:
last_vote = Vote.query(ndb.AND(Vote.user == session.user, Vote.sub_id == id)).get()
if not last_vote:
vote_val = 0
else:
vote_val = last_vote.value
last_vote.key.delete()
vote_val = value - vote_val;
old_score = submission.rating
new_score = old_score + vote_val
submission.rating = new_score;
submission.put()
vote = Vote(sub_id = id, value = value, user = session.user)
vote.put()
response = vote_result('ok')
self.response.write(response)
def get(self):
cookie = self.request.get('cookie')
self.response.headers['Content-Type'] = 'application/json; charset=utf-8'
if not cookie:
error = json_error('retrieve', 'failure', 'cookie')
self.response.write(json.dumps(error))
else:
flag = self.request.get('flag')
if not flag:
error = json_error('retrieve', 'failure', 'no flag')
self.response.write(json.dumps(error))
else:
session = Session.query(Session.cookie == cookie).get()
if not session:
error = json_error('retrieve', 'failure', 'session')
self.response.write(error)
else:
# flag = 1 means a single request
if flag == '1':
try:
id = self.request.get('id');
key = ndb.Key(urlsafe=id)
if not id:
self.response.write(json.dumps(json_error('single request', 'failure', 'id')))
else:
submission = key.get()
if not submission:
error = json_error('single request', 'failure', 'no corresponding submission')
self.response.write(json.dumps(error))
else:
last_vote = Vote.query(ndb.AND(Vote.user == session.user, Vote.sub_id == submission.key.urlsafe())).get()
if not last_vote:
vote_val = 0
else:
vote_val = last_vote.value
string_submission = json_string(submission.key.urlsafe(), submission.name, submission.category, submission.description, submission.location,
submission.image, submission.keywords, submission.submitter,
submission.tfrom, submission.tto, submission.rating, vote_val)
response = json.dumps(string_submission)
self.response.write(response)
except:
self.response.write(json.dumps(json_error('single request', 'failure', 'id')))
# flag = 2 means that we are requesting submissions to display in what's new
elif flag == '2':
time_range = 1447786800
date = datetime.datetime.fromtimestamp(time_range/1e3)
submissions_number = 20
submissions = Submission.query(Submission.submitted >= date).fetch(submissions_number)
if not submissions:
error = json_error('what is new', 'failure', 'nothing in range')
self.response.write(json.dumps(error))
else:
submissions_array = []
if(submissions_number <= len(submissions)):
for i in range(0, submissions_number):
submission = submissions[i]
# what's new used for around you too. Server return location so that the app
# can use it to display submissions near user on the map
json_submission = json_array_with_location(submission.key.urlsafe(), submission.name,submission.image, submission.rating, submission.location)
submissions_array.append(json_submission)
else:
for i in range(0, len(submissions)):
submission = submissions[i]
json_submission = json_array_with_location(submission.key.urlsafe(), submission.name, submission.image, submission.rating, submission.location)
submissions_array.append(json_submission)
response = json.dumps(submissions_array)
self.response.write(response)
# flag = 4 means that we are requesting submissions for a specific category
elif flag == '4':
category = self.request.get('category')
submissions_number = 20
if not category:
error = json_error('retrieve category', 'failure', 'no category')
self.response.write(json.dumps(error))
else:
submissions = Submission.query(Submission.category == category).fetch(submissions_number)
if not submissions:
error = json_error('retrieve category', 'failure', 'empty category')
self.response.write(json.dumps(error))
else:
submissions_array = []
if(submissions_number <= len(submissions)):
for i in range(0, submissions_number):
submission = submissions[i]
json_submission = json_array(submission.key.urlsafe(), submission.name,submission.image, submission.rating)
submissions_array.append(json_submission)
else:
for i in range(0, len(submissions)):
submission = submissions[i]
json_submission = json_array(submission.key.urlsafe(), submission.name,submission.image, submission.rating)
submissions_array.append(json_submission)
response = json.dumps(submissions_array)
self.response.write(response)
# every other flag generate an error
else:
error = json_error('retrieve' ,'failure', 'flag')
self.response.write(json.dumps(error))
