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from Poll import Poll
from AccessControl import ClassSecurityInfo
from Globals import InitializeClass
from Acquisition import Implicit
from Globals import Persistent
from AccessControl.Role import RoleManager
from OFS.SimpleItem import Item
class PollProduct(Implicit, Persistent, RoleManager, Item):
"""
Poll product class, implements Poll interface.
The poll has a question and a sequence of responses. Votes
are stored in a dictionary which maps response indexes to a
number of votes.
"""
__implements__=Poll
meta_type='Poll'
security=ClassSecurityInfo()
def __init__(self, id, question, responses):
self.id=id
self._question = question
self._responses = responses
self._votes = {}
for i in range(len(responses)):
self._votes[i] = 0
security.declareProtected('Use Poll', 'castVote')
def castVote(self, index):
"Votes for a choice"
self._votes[index] = self._votes[index] + 1
self._p_changed = 1
security.declareProtected('View Poll Results', 'getTotalVotes')
def getTotalVotes(self):
"Returns total number of votes cast"
total = 0
for v in self._votes.values():
total = total + v
return total
security.declareProtected('View Poll Results', 'getVotesFor')
def getVotesFor(self, index):
"Returns number of votes cast for a given response"
return self._votes[index]
security.declarePublic('getResponses')
def getResponses(self):
"Returns the sequence of responses"
return tuple(self._responses)
security.declarePublic('getQuestion')
def getQuestion(self):
"Returns the question"
return self._question
InitializeClass(PollProduct)
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