def get(self):
self.dummy = dummyFactory()
self.ims = ImsConnectorFactory(LqfbDB)
self.ims.connect(host=conf['lqfb.host'],
password=conf['lqfb.password'])
self.getIssuesForVoting()
self.getPublicVotes()
self.getIssuesToCalculate()
self.calculateResults()
self.returnResults()
self.write("Execution of periodic tasks completed.")
def post(self):
"""Process the submitted votes and save them in our DummyDB"""
# First we need to check user credentials. This is done against the source
# database (e.g. Liquid Feedback).
username = self.get_argument('username')
password = self.get_argument('password')
ims = ImsConnectorFactory(LqfbDB)
ims.connect(host=conf['lqfb.host'], password=conf['lqfb.password'])
user_id = ims.userAuthentication(username, password)
if not user_id:
raise tornado.web.HTTPError(
401,
"To vote, please provide your Liquid Feedback username and password."
)
# Fetch issue that is voted on, we need it already
dummy = dummyFactory()
issue = dummy.getIssue(self.get_argument('issue_id'))
# remove wrapper object
issue = issue.getIssue()
# Check that issue is in voting state
if not issue['state'] == 'voting':
raise tornado.web.HTTPError(
400,
'Issue %s is not in "voting" state.' % issue['issue']['id'])
# Check authorization
if not ims.userAuthorization(user_id, issue['unit']['id']):
raise tornado.web.HTTPError(
403,
"User '%s' is not authorized to vote in unit <em>%s</em>" %
(username, issue['unit']['name']))
if self.get_argument('vote_type') == 'direct':
# Get user score for each initiative in issue
scores = {}
for ini in issue['initiatives']:
arg = "i" + str(ini['id'])
value = int(self.get_argument(arg))
scores[int(ini['id'])] = value
# Check that values are within allowed range.
# Rules:
"""You can give the same score to more than one alternative.
But the scores cannot contain gaps. For example... <br />
This is allowed: (+1, 0, -1) <br />
This is also allowed: (+1, +1, 0) <br />
but this is not allowed: (+2, 0, -1) <br />
...since in the latter there is no score +1.<br />
Note that 0 exists always due to
Status Quo, so all your scores have to be around 0: ...+2, +1, 0, -1, -2...
"""
#Speaking of which, need to add the Status Quo
scores[None] = 0
# Now we can check for a consecutive range
v_list = [v for (k, v) in scores.items()]
v_list.sort()
previous = v_list[0]
for v in v_list:
if v != previous and v != previous + 1:
raise tornado.web.HTTPError(
400,
'Illegal scores in your vote (there is a gap in the values): '
+ ", ".join(str(x) for x in v_list))
previous = v
# With my logic, the above is also a sufficient check that values are between
# -nr_ini ... nr_ini
# We don't actually save the Status Quo vote to database:
del (scores[None])
# Now save the vote
dummy.saveVote(user_id, self.get_argument('issue_id'), scores,
'direct')
self.write(
"Your vote was saved successfully. Thank you for voting!")
elif self.get_argument('vote_type') == 'delegated':
trustee_id = ims.getUserId(
self.get_argument('trustee_identification'), 'identification')
if trustee_id:
dummy.saveVote(user_id, self.get_argument('issue_id'),
trustee_id, 'delegated')
self.write(
"Your vote was saved successfully. Thank you for voting!")
else:
raise tornado.web.HTTPError(
400,
'Cannot delegate vote. No such member in this voting system: %s'
% self.get_argument('trustee_identification'))
else:
raise tornado.web.HTTPError(
400, 'Invalid vote_type: %s' % self.get_argument('vote_type'))
