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mirror of https://github.com/reality/dbot.git synced 2024-12-26 20:52:39 +01:00
dbot/modules/poll/poll.js
2012-12-24 05:51:19 +00:00

256 lines
11 KiB
JavaScript

var poll = function(dbot) {
var polls = dbot.db.polls;
var commands = {
'~newpoll': function(event) {
var av = event.input[1] != undefined;
var name = event.input[2];
var options = event.input[3].split(',');
var description = event.input[4];
if(name === undefined || name === 'help') {
event.reply(dbot.t('newpoll_usage'));
} else {
if(polls.hasOwnProperty(name)) {
event.reply(dbot.t('poll_exists', {'name': name}));
} else {
if(av) {
polls[name] = {
'av': av,
'name': name,
'description': description,
'owner': event.user,
'votes': {},
'options': []
};
for(var i=0;i<options.length;i++) {
polls[name].options.push(options[i]);
}
} else {
polls[name] = {
'av': av,
'name': name,
'description': description,
'owner': event.user,
'votes': {},
'votees': {}
};
for(var i=0;i<options.length;i++) {
polls[name]['votes'][options[i]] = 0;
}
}
event.reply(dbot.t('poll_created', {'name': name, 'description': description,
'url': dbot.t('url', {'host': dbot.config.web.webHost,
'port': dbot.config.web.webPort, 'path': 'polls/' + name})}));
}
}
},
'~addoption': function(event) {
var name = event.input[1];
var option = event.input[2];
if(polls.hasOwnProperty(name)) {
if(polls[name].owner === event.user) {
if(!polls[name].votes.hasOwnProperty(name)) {
polls[name]['votes'][option] = 0;
event.reply(dbot.t('option_added', {'user': event.user,
'name': name, 'option': option}));
} else {
event.reply(dbot.t('option_exists', {'option': option,
'name': name, 'user': event.user}));
}
} else {
event.reply(dbot.t('not_poll_owner', {'user': event.user,
'name': name}));
}
} else {
event.reply(dbot.t('poll_unexistent', {'name': name}));
}
},
'~rmoption': function(event) {
var name = event.input[1];
var option = event.input[2];
if(polls.hasOwnProperty(name)) {
if(polls[name].owner === event.user) {
if(polls[name].votes.hasOwnProperty(option)) {
delete polls[name]['votes'][option];
event.reply(dbot.t('option_removed', {'user': event.user,
'name': name, 'option': option}));
} else {
event.reply(dbot.t('invalid_vote', {'vote': option}));
}
} else {
event.reply(dbot.t('not_poll_owner', {'name': name}));
}
} else {
event.reply(dbot.t('poll_unexistent', {'name': name}));
}
},
'~vote': function(event) {
var name = event.input[1];
var vote = event.input[2];
if(polls.hasOwnProperty(name)) {
if(polls[name].av) {
var prefs = vote.split(',');
prefs = prefs.uniq();
var valid = true;
prefs.each(function(pref) {
valid = valid && polls[name].options.indexOf(pref) != -1;
});
if(valid){
if(polls[name].votes.hasOwnProperty(event.user)) {
polls[name].votes[event.user] = prefs;
event.reply(dbot.t('av_changed_vote', {'vote': prefs.join(','), 'poll': name, 'user': event.user}));
} else {
polls[name].votes[event.user] = prefs;
event.reply(dbot.t('av_voted', {'vote': prefs.join(','), 'poll': name, 'user': event.user}));
}
} else {
event.reply(dbot.t('invalid_vote', {'vote': vote}));
}
} else {
if(polls[name].votes.hasOwnProperty(vote)) {
if(polls[name].votees.hasOwnProperty(event.user)) {
var oldVote = polls[name].votees[event.user];
polls[name].votes[oldVote]--;
polls[name].votes[vote]++;
polls[name].votees[event.user] = vote;
event.reply(dbot.t('changed_vote', {'vote': vote, 'poll': name,
'count': polls[name].votes[vote], 'user': event.user}));
} else {
polls[name].votes[vote]++;
polls[name].votees[event.user] = vote;
event.reply(dbot.t('voted', {'vote': vote, 'poll': name,
'count': polls[name].votes[vote], 'user': event.user}));
}
} else {
event.reply(dbot.t('invalid_vote', {'vote': vote}));
}
}
} else {
event.reply(dbot.t('poll_unexistent', {'name': name}));
}
},
'~pdesc': function(event) {
var name = event.input[1];
if(polls.hasOwnProperty(name)) {
event.reply(dbot.t('poll_describe', {'name': name, 'description': polls[name].description,
'url': dbot.t('url', {'host': dbot.config.web.webHost, 'port':
dbot.config.web.webPort, 'path': 'polls/' + name})}));
} else {
event.reply(dbot.t('poll_unexistent', {'name': name}));
}
},
'~count': function(event) {
var name = event.input[1];
if(polls.hasOwnProperty(name)) {
var order;
if(polls[name].av) {
var finished = false;
var rounds = [];
var eliminated = [];
var voted;
for(var roundn = 0; roundn < polls[name].options.length; roundn++) {
var roundLoser;
// Populate candidates for this round
rounds[roundn] = {};
polls[name].options.each(function (option) {
if(eliminated.indexOf(option) == -1)
rounds[roundn][option] = 0;
});
// Count votes
polls[name].votes.withAll(function (name, vote) {
voted = false;
vote.each(function (pref) {
if(!voted && rounds[roundn].hasOwnProperty(pref)) {
rounds[roundn][pref]++;
voted = true;
}
});
});
// Find the loser
var min = polls[name].votes.length() + 1;
rounds[roundn].withAll(function (option, count) {
if(count < min) {
roundLoser = option;
min = count;
}
});
// Eliminate loser
eliminated.push(roundLoser);
}
order = eliminated.reverse().join(', ')
} else {
var votesArr = [];
polls[name].votes.withAll(function(option, count) {
votesArr.push([option, count]);
});
votesArr = votesArr.sort(function(a, b) { return b[1] - a[1]; });
order = votesArr.map(function(vote) { return vote[0]; });
}
event.reply(dbot.t('count', {'poll': name, 'description': polls[name].description, 'places': order}));
} else {
event.reply(dbot.t('poll_unexistent', {'name': name}));
}
}
};
commands['~newpoll'].regex = [/~newpoll (av )?([^ ]+) options=([^ ]+) (.+)/, 5];
commands['~addoption'].regex = [/~addoption ([^ ]+) ([^ ]+)/, 3];
commands['~rmoption'].regex = [/~rmoption ([^ ]+) ([^ ]+)/, 3];
commands['~vote'].regex = [/~vote ([^ ]+) ([^ ]+)/, 3];
commands['~pdesc'].regex = [/~pdesc ([^ ]+)/, 2];
commands['~count'].regex = [/~count ([^ ]+)/, 2];
var pages = {
// Shows the results of a poll
'/polls/:key': function(req, res) {
var key = req.params.key.toLowerCase();
if(dbot.db.polls.hasOwnProperty(key) && dbot.db.polls[key].hasOwnProperty('description')) {
// tally the votes
var totalVotes = 0;
for( var v in dbot.db.polls[key].votes ) {
var N = Number(dbot.db.polls[key].votes[v]);
if( !isNaN(N) ) {
totalVotes += N;
}
}
res.render('polls', { 'name': dbot.config.name, 'description': dbot.db.polls[key].description, 'votees': Object.keys(dbot.db.polls[key].votees), 'options': dbot.db.polls[key].votes, locals: { 'totalVotes': totalVotes, 'url_regex': RegExp.prototype.url_regex() } });
} else {
res.render('error', { 'name': dbot.config.name, 'message': 'No polls under that key.' });
}
},
// Lists all of the polls
'/polls': function(req, res) {
res.render('polllist', { 'name': dbot.config.name, 'polllist': Object.keys(dbot.db.polls) });
},
};
return {
'name': 'poll',
'ignorable': true,
'commands': commands,
'pages': pages
};
};
exports.fetch = function(dbot) {
return poll(dbot);
}