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models.py
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models.py
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import string,random,time
from google.appengine.ext import db
from google.appengine.api import channel
class PollsArchive(db.Model):
created = db.DateTimeProperty(auto_now_add=True)
pollid = db.StringProperty()
title = db.StringProperty()
image = db.StringProperty()
closeon = db.DateTimeProperty()
counter = db.IntegerProperty(default=0)
type = db.IntegerProperty(default=0) # 0.single 1.multiple
restrict = db.IntegerProperty(default=0) # 0.none 1.ipaddress 2.cookie
status = db.IntegerProperty(default=0) # 0.draft 1.open 2.closed
def __str__(self):
return self.title
@property
def statusText(self):
return ['Draft','Open','Closed'][self.status]
class PollsOptions(db.Model):
pollid = db.StringProperty()
optionid = db.StringProperty()
title = db.StringProperty()
position = db.IntegerProperty(default=0)
counter = db.IntegerProperty(default=0)
percent = db.FloatProperty(default=0.0)
def __str__(self):
return self.title
class PollsVotes(db.Model):
created = db.DateTimeProperty(auto_now_add=True)
voteid = db.StringProperty()
pollid = db.StringProperty()
optionid = db.StringProperty()
token = db.StringProperty()
ipaddress = db.StringProperty()
isvalid = db.IntegerProperty(default=0) # 0.valid 1.invalid
def __str__(self):
return '%s:%s:%s:%s'%(self.pollid,self.optionid,self.voteid,self.ipaddress)
@property
def poll(self):
poll = getPoll(self.pollid)
if poll: return poll.title
else: return ''
@property
def option(self):
option = getOption(self.optionid)
if option: return option.title
else: return ''
#-------- UTILS --------
def newKey(n=8):
return ''.join(random.choice(string.ascii_lowercase) for x in xrange(n))
def newSerial():
return str(int(time.time()))+str(random.randint(100,999))
#-------- POLLS --------
def newPoll(data):
key = newSerial()
rec = PollsArchive(key_name=key)
rec.pollid = key
rec.title = data['title']
rec.status = data['status']
rec.put()
return rec
def getPolls(n=10):
recs = PollsArchive.all().order('-created').fetch(n)
return recs
def getPoll(pollid):
if not pollid: return None
rec = PollsArchive.get_by_key_name(pollid)
return rec
def getLatestPoll():
recs = PollsArchive.all().order('-created').fetch(5)
last = None
for rec in recs:
if rec.status>0:
last = rec
break
return last
def registerPoll(poll,options):
# save poll
pollid = newSerial()
p = PollsArchive(key_name=pollid)
p.pollid = pollid
p.title = poll.get('title','')
p.image = poll.get('image','')
p.closeon = poll.get('closeon',None)
p.counter = 0
p.type = poll.get('type',0)
p.restrict = poll.get('restrict',0)
p.status = poll.get('status',0)
p.put()
# save options
n=0
all=[]
for item in options:
n+=1
key = newSerial()
o = PollsOptions(key_name=key)
o.pollid = pollid
o.optionid = key
o.position = item.get('position',n)
o.title = item.get('title','')
o.counter = 0
o.percent = 0.0
all.append(o)
db.put(all)
return p
def savePoll(poll,options):
if not poll or not options: return None
# save poll
pollid = poll.get('pollid','')
p = PollsArchive.get_by_key_name(pollid)
if not p: return None
p.title = poll.get('title','')
p.image = poll.get('image','')
p.closeon = poll.get('closeon',None)
p.type = poll.get('type',0)
p.restrict = poll.get('restrict',0)
p.status = poll.get('status',0)
p.put()
# save options
pos=0
for option in options:
if option['title'] and option['optionid']:
pos+=1
option['pollid'] =pollid
option['position']=pos
saveOption(option)
elif option['title'] and not option['optionid']:
pos+=1
option['pollid'] =pollid
option['position']=pos
newOption(option)
elif option['optionid'] and not option['title']:
deleteOption(option['optionid'])
else:
pass
return p
def deletePoll(pollid):
poll = PollsArchive.get_by_key_name(pollid)
if not poll: return
votes = PollsVotes.all().filter('pollid =',pollid).fetch(999999)
options = PollsOptions.all().filter('pollid =',pollid).fetch(999)
db.delete(votes)
db.delete(options)
db.delete(poll)
return True
def changeStatus(pollid,status):
if not pollid or not status: return
poll = PollsArchive.get_by_key_name(pollid)
if not poll: return
status = int(status)
if status not in [0,1,2]: return
poll.status = status
poll.put()
return poll
#-------- OPTIONS --------
def getOption(optionid):
if not optionid: return None
rec = PollsOptions.get_by_key_name(optionid)
return rec
def getOptions(n=20):
recs = PollsOptions.all().fetch(n)
return recs
def getOptionsByPoll(pollid,n=99):
recs = PollsOptions.all().filter('pollid =',pollid).order('position').fetch(n)
return recs
def newOption(data):
key = newSerial()
rec = PollsOptions(key_name=key)
rec.optionid = key
rec.pollid = data['pollid']
rec.position = data['position']
rec.title = data['title']
rec.put()
return rec
def saveOption(data):
pollid = data.get('pollid','')
optionid = data.get('optionid','')
if not pollid or not optionid: return None
rec = PollsOptions.get_by_key_name(optionid)
rec.position = data['position']
rec.title = data['title']
rec.put()
return rec
def deleteOption(optionid):
if not optionid: return None
rec = PollsOptions.get_by_key_name(optionid)
rec.delete()
return True
#-------- VOTES --------
def newVote(pollid,optionid,ipaddress):
key = newKey()
rec = PollsVotes(key_name=key)
rec.voteid = key
rec.optionid = optionid
rec.pollid = pollid
rec.ipaddress = ipaddress
rec.isvalid = 1
rec.put()
countVote(pollid,optionid)
return rec
def manyVotes(pollid,options,ipaddress):
all=[]
for id in options:
key = newKey()
rec = PollsVotes(key_name=key)
rec.voteid = key
rec.optionid = id
rec.pollid = pollid
rec.ipaddress = ipaddress
rec.isvalid = 1
all.append(rec)
db.put(all)
countVotes(pollid,options)
def getVotes(n=10):
recs = PollsVotes.all().order('-created').fetch(n)
return recs
def getVotesByPoll(pollid,n=999):
recs = PollsVotes.all().filter('pollid =',pollid).fetch(n)
return recs
def countVote(pollid,optionid):
poll=PollsArchive.get_by_key_name(pollid)
if not poll: return False
option=PollsOptions.get_by_key_name(optionid)
if not option: return False
option.counter+=1
poll.counter+=1
db.put([poll,option])
return True
def countVotes(pollid,options):
poll=PollsArchive.get_by_key_name(pollid)
if not poll: return False
n=0
all=[poll]
for id in options:
option=PollsOptions.get_by_key_name(id)
if option:
option.counter+=1
n+=1
all.append(option)
poll.counter+=n
db.put(all)
return True
def alreadyVoted(pollid,ipaddress):
vote = PollsVotes.all(keys_only=True).filter('pollid =',pollid).filter('ipaddress =',ipaddress).fetch(1)
if vote: return True
else: return False
#-------- SETUP --------
def loadSample():
p = newPoll({'title':'Do you like polls?','status':1})
o = newOption({'pollid':p.pollid,'position':1,'title':'Yes, I like polls a lot'})
o = newOption({'pollid':p.pollid,'position':2,'title':'No, I hate polls to death'})
o = newOption({'pollid':p.pollid,'position':3,'title':'It depends on the subject'})
o = newOption({'pollid':p.pollid,'position':4,'title':'Is this a test poll?'})
#-------- END --------