mirror of
https://github.com/Mikaela/Limnoria.git
synced 2024-12-29 06:02:38 +01:00
400 lines
15 KiB
Python
400 lines
15 KiB
Python
# -*- coding:utf-8 -*-
|
|
|
|
###
|
|
# Copyright (c) 2002, Stéphan Kochen
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright notice,
|
|
# this list of conditions, and the following disclaimer.
|
|
# * Redistributions in binary form must reproduce the above copyright notice,
|
|
# this list of conditions, and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
# * Neither the name of the author of this software nor the name of
|
|
# contributors to this software may be used to endorse or promote products
|
|
# derived from this software without specific prior written consent.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
# POSSIBILITY OF SUCH DAMAGE.
|
|
###
|
|
|
|
"""
|
|
A module for managing and voting on polls.
|
|
"""
|
|
|
|
import supybot
|
|
|
|
__revision__ = "$Id$"
|
|
__author__ = supybot.authors.strike
|
|
|
|
import supybot.plugins as plugins
|
|
|
|
import os
|
|
import time
|
|
|
|
import supybot.dbi as dbi
|
|
import supybot.conf as conf
|
|
import supybot.utils as utils
|
|
import supybot.ircdb as ircdb
|
|
from supybot.commands import *
|
|
import supybot.ircutils as ircutils
|
|
import supybot.callbacks as callbacks
|
|
|
|
class PollError(Exception):
|
|
pass
|
|
|
|
class OptionRecord(dbi.Record):
|
|
__fields__ = [
|
|
'text',
|
|
'votes'
|
|
]
|
|
def __str__(self):
|
|
return '#%s: %s' % (self.id, utils.quoted(self.text))
|
|
|
|
class PollRecord(dbi.Record):
|
|
__fields__ = [
|
|
'by',
|
|
'question',
|
|
'options',
|
|
'status'
|
|
]
|
|
def __str__(self):
|
|
format = conf.supybot.reply.format.time()
|
|
user = plugins.getUserName(self.by)
|
|
if self.options:
|
|
options = 'Options: %s' % '; '.join(map(str, self.options))
|
|
else:
|
|
options = 'The poll has no options, yet'
|
|
if self.status:
|
|
status = 'open'
|
|
else:
|
|
status = 'closed'
|
|
return 'Poll #%s: %s started by %s. %s. Poll is %s.' % \
|
|
(self.id, utils.quoted(self.question), user, options, status)
|
|
|
|
class SqlitePollDB(object):
|
|
def __init__(self, filename):
|
|
self.dbs = ircutils.IrcDict()
|
|
self.filename = filename
|
|
|
|
def close(self):
|
|
for db in self.dbs.itervalues():
|
|
db.close()
|
|
|
|
def _getDb(self, channel):
|
|
try:
|
|
import sqlite
|
|
except ImportError:
|
|
raise callbacks.Error, 'You need to have PySQLite installed to ' \
|
|
'use this plugin. Download it at ' \
|
|
'<http://pysqlite.sf.net/>'
|
|
filename = plugins.makeChannelFilename(self.filename, channel)
|
|
if filename in self.dbs:
|
|
return self.dbs[filename]
|
|
if os.path.exists(filename):
|
|
self.dbs[filename] = sqlite.connect(filename)
|
|
return self.dbs[filename]
|
|
db = sqlite.connect(filename)
|
|
self.dbs[filename] = db
|
|
cursor = db.cursor()
|
|
cursor.execute("""CREATE TABLE polls (
|
|
id INTEGER PRIMARY KEY,
|
|
question TEXT UNIQUE ON CONFLICT IGNORE,
|
|
started_by INTEGER,
|
|
open INTEGER)""")
|
|
cursor.execute("""CREATE TABLE options (
|
|
id INTEGER,
|
|
poll_id INTEGER,
|
|
option TEXT,
|
|
UNIQUE (poll_id, id) ON CONFLICT IGNORE)""")
|
|
cursor.execute("""CREATE TABLE votes (
|
|
user_id INTEGER,
|
|
poll_id INTEGER,
|
|
option_id INTEGER,
|
|
UNIQUE (user_id, poll_id)
|
|
ON CONFLICT IGNORE)""")
|
|
db.commit()
|
|
return db
|
|
|
|
def get(self, channel, poll_id):
|
|
db = self._getDb(channel)
|
|
cursor = db.cursor()
|
|
cursor.execute("""SELECT question, started_by, open
|
|
FROM polls WHERE id=%s""", poll_id)
|
|
if cursor.rowcount:
|
|
(question, by, status) = cursor.fetchone()
|
|
else:
|
|
raise dbi.NoRecordError
|
|
cursor.execute("""SELECT id, option FROM options WHERE poll_id=%s""",
|
|
poll_id)
|
|
if cursor.rowcount:
|
|
options = [OptionRecord(i, text=o, votes=0)
|
|
for (i, o) in cursor.fetchall()]
|
|
else:
|
|
options = []
|
|
return PollRecord(poll_id, question=question, status=status, by=by,
|
|
options=options)
|
|
|
|
def open(self, channel, user, question):
|
|
db = self._getDb(channel)
|
|
cursor = db.cursor()
|
|
cursor.execute("""INSERT INTO polls VALUES (NULL, %s, %s, 1)""",
|
|
question, user.id)
|
|
db.commit()
|
|
cursor.execute("""SELECT id FROM polls WHERE question=%s""", question)
|
|
return cursor.fetchone()[0]
|
|
|
|
def closePoll(self, channel, id):
|
|
db = self._getDb(channel)
|
|
cursor = db.cursor()
|
|
# Check to make sure that the poll exists
|
|
cursor.execute("""SELECT id FROM polls WHERE id=%s""", id)
|
|
if cursor.rowcount == 0:
|
|
raise dbi.NoRecordError
|
|
cursor.execute("""UPDATE polls SET open=0 WHERE id=%s""", id)
|
|
db.commit()
|
|
|
|
def add(self, channel, user, id, option):
|
|
db = self._getDb(channel)
|
|
cursor = db.cursor()
|
|
# Only the poll starter or an admin can add options
|
|
cursor.execute("""SELECT started_by FROM polls
|
|
WHERE id=%s""",
|
|
id)
|
|
if cursor.rowcount == 0:
|
|
raise dbi.NoRecordError
|
|
if not ((user.id == cursor.fetchone()[0]) or
|
|
(ircdb.checkCapability(user.id, 'admin'))):
|
|
raise PollAddError, \
|
|
'That poll isn\'t yours and you aren\'t an admin.'
|
|
# and NOBODY can add options once a poll has votes
|
|
cursor.execute("""SELECT COUNT(user_id) FROM votes
|
|
WHERE poll_id=%s""",
|
|
id)
|
|
if int(cursor.fetchone()[0]) != 0:
|
|
raise PollAddError, 'Cannot add options to a poll with votes.'
|
|
# Get the next highest id
|
|
cursor.execute("""SELECT MAX(id)+1 FROM options
|
|
WHERE poll_id=%s""",
|
|
id)
|
|
option_id = cursor.fetchone()[0] or 1
|
|
cursor.execute("""INSERT INTO options VALUES
|
|
(%s, %s, %s)""",
|
|
option_id, id, option)
|
|
db.commit()
|
|
|
|
def vote(self, channel, user, id, option):
|
|
db = self._getDb(channel)
|
|
cursor = db.cursor()
|
|
cursor.execute("""SELECT open
|
|
FROM polls WHERE id=%s""",
|
|
id)
|
|
if cursor.rowcount == 0:
|
|
raise dbi.NoRecordError
|
|
elif int(cursor.fetchone()[0]) == 0:
|
|
raise PollError, 'That poll is closed.'
|
|
cursor.execute("""SELECT id FROM options
|
|
WHERE poll_id=%s
|
|
AND id=%s""",
|
|
id, option)
|
|
if cursor.rowcount == 0:
|
|
raise PollError, 'There is no such option.'
|
|
cursor.execute("""SELECT option_id FROM votes
|
|
WHERE user_id=%s AND poll_id=%s""",
|
|
user.id, id)
|
|
if cursor.rowcount == 0:
|
|
cursor.execute("""INSERT INTO votes VALUES (%s, %s, %s)""",
|
|
user.id, id, option)
|
|
else:
|
|
cursor.execute("""UPDATE votes SET option_id=%s
|
|
WHERE user_id=%s AND poll_id=%s""",
|
|
option, user.id, id)
|
|
db.commit()
|
|
|
|
def results(self, channel, poll_id):
|
|
db = self._getDb(channel)
|
|
cursor = db.cursor()
|
|
cursor.execute("""SELECT id, question, started_by, open
|
|
FROM polls WHERE id=%s""",
|
|
poll_id)
|
|
if cursor.rowcount == 0:
|
|
raise dbi.NoRecordError
|
|
(id, question, by, status) = cursor.fetchone()
|
|
by = ircdb.users.getUser(by).name
|
|
cursor.execute("""SELECT count(user_id), option_id
|
|
FROM votes
|
|
WHERE poll_id=%s
|
|
GROUP BY option_id
|
|
UNION
|
|
SELECT 0, id AS option_id
|
|
FROM options
|
|
WHERE poll_id=%s
|
|
AND id NOT IN (
|
|
SELECT option_id FROM votes
|
|
WHERE poll_id=%s)
|
|
GROUP BY option_id
|
|
ORDER BY count(user_id) DESC""",
|
|
poll_id, poll_id, poll_id)
|
|
if cursor.rowcount == 0:
|
|
raise PollError, 'This poll has no votes yet.'
|
|
else:
|
|
options = []
|
|
for count, option_id in cursor.fetchall():
|
|
cursor.execute("""SELECT option FROM options
|
|
WHERE id=%s AND poll_id=%s""",
|
|
option_id, poll_id)
|
|
option = cursor.fetchone()[0]
|
|
options.append(OptionRecord(option_id, votes=int(count),
|
|
text=option))
|
|
return PollRecord(poll_id, question=question, status=status, by=by,
|
|
options=options)
|
|
|
|
def select(self, channel):
|
|
db = self._getDb(channel)
|
|
cursor = db.cursor()
|
|
cursor.execute("""SELECT id, started_by, question
|
|
FROM polls
|
|
WHERE open=1""")
|
|
if cursor.rowcount:
|
|
return [PollRecord(id, question=q, by=by, status=1)
|
|
for (id, by, q) in cursor.fetchall()]
|
|
else:
|
|
raise dbi.NoRecordError
|
|
|
|
PollDB = plugins.DB('Poll', {'sqlite': SqlitePollDB})
|
|
|
|
class Poll(callbacks.Privmsg):
|
|
def __init__(self):
|
|
self.__parent = super(Poll, self)
|
|
self.__parent.__init__()
|
|
self.db = PollDB()
|
|
|
|
def die(self):
|
|
self.__parent.die()
|
|
self.db.close()
|
|
|
|
def poll(self, irc, msg, args, channel, id):
|
|
"""[<channel>] <id>
|
|
|
|
Displays the poll question and options for the given poll id.
|
|
<channel> is only necessary if the message isn't sent in the channel
|
|
itself.
|
|
"""
|
|
try:
|
|
record = self.db.get(channel, id)
|
|
except dbi.NoRecordError:
|
|
irc.error('There is no poll with id %s.' % id, Raise=True)
|
|
irc.reply(record)
|
|
poll = wrap(poll, ['channeldb', 'id'])
|
|
|
|
def open(self, irc, msg, args, channel, user, question):
|
|
"""[<channel>] <question>
|
|
|
|
Creates a new poll with the given question. <channel> is only
|
|
necessary if the message isn't sent in the channel itself.
|
|
"""
|
|
irc.replySuccess('(poll #%s added)' %
|
|
self.db.open(channel, user, question))
|
|
open = wrap(open, ['channeldb', 'user', 'text'])
|
|
|
|
def close(self, irc, msg, args, channel, id):
|
|
"""[<channel>] <id>
|
|
|
|
Closes the poll with the given <id>; further votes will not be allowed.
|
|
<channel> is only necessary if the message isn't sent in the channel
|
|
itself.
|
|
"""
|
|
try:
|
|
self.db.closePoll(channel, id)
|
|
irc.replySuccess()
|
|
except dbi.NoRecordError:
|
|
irc.errorInvalid('poll id')
|
|
close = wrap(close, ['channeldb', ('id', 'poll')])
|
|
|
|
def add(self, irc, msg, args, channel, user, id, option):
|
|
"""[<channel>] <id> <option text>
|
|
|
|
Add an option with the given text to the poll with the given id.
|
|
<channel> is only necessary if the message isn't sent in the channel
|
|
itself.
|
|
"""
|
|
try:
|
|
self.db.add(channel, user, id, option)
|
|
irc.replySuccess()
|
|
except dbi.NoRecordError:
|
|
irc.errorInvalid('poll id')
|
|
except PollError, e:
|
|
irc.error(str(e))
|
|
irc.replySuccess()
|
|
add = wrap(add, ['channeldb', 'user', ('id', 'poll'), 'text'])
|
|
|
|
def vote(self, irc, msg, args, channel, user, id, option):
|
|
"""[<channel>] <poll id> <option id>
|
|
|
|
Vote for the option with the given id on the poll with the given poll
|
|
id. This command can also be used to override any previous vote.
|
|
<channel> is only necesssary if the message isn't sent in the channel
|
|
itself.
|
|
"""
|
|
try:
|
|
self.db.vote(channel, user, id, option)
|
|
irc.replySuccess()
|
|
except dbi.NoRecordError:
|
|
irc.errorInvalid('poll id')
|
|
except PollError, e:
|
|
irc.error(str(e))
|
|
vote = wrap(vote, ['channeldb', 'user', ('id', 'poll'), ('id', 'option')])
|
|
|
|
def results(self, irc, msg, args, channel, id):
|
|
"""[<channel>] <id>
|
|
|
|
Shows the results for the poll with the given id. <channel> is only
|
|
necessary if the message is not sent in the channel itself.
|
|
"""
|
|
try:
|
|
poll = self.db.results(channel, id)
|
|
reply = 'Results for poll #%s: "%s" by %s' % \
|
|
(poll.id, poll.question, poll.by)
|
|
options = poll.options
|
|
L = []
|
|
for option in options:
|
|
L.append('%s: %s' % (utils.quoted(option.text), option.votes))
|
|
s = utils.commaAndify(L)
|
|
reply += ' - %s' % s
|
|
irc.reply(reply)
|
|
except dbi.NoRecordError:
|
|
irc.error('There is no such poll.', Raise=True)
|
|
except PollError, e:
|
|
irc.error(str(e))
|
|
results = wrap(results, ['channeldb', ('id', 'poll')])
|
|
|
|
def list(self, irc, msg, args, channel):
|
|
"""[<channel>]
|
|
|
|
Lists the currently open polls for <channel>. <channel> is only
|
|
necessary if the message isn't sent in the channel itself.
|
|
"""
|
|
try:
|
|
polls = self.db.select(channel)
|
|
polls = ['#%s: %s' % (p.id, utils.quoted(p.question))
|
|
for p in polls]
|
|
irc.reply(utils.commaAndify(polls))
|
|
except dbi.NoRecordError:
|
|
irc.reply('This channel currently has no open polls.')
|
|
list = wrap(list, ['channeldb'])
|
|
|
|
Class = Poll
|
|
|
|
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
|