sync/lib/channel/poll.js

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var ChannelModule = require("./module");
var Poll = require("../poll").Poll;
const TYPE_NEW_POLL = {
title: "string",
timeout: "number,optional",
obscured: "boolean",
opts: "array"
};
const TYPE_VOTE = {
option: "number"
};
function PollModule(channel) {
ChannelModule.apply(this, arguments);
this.poll = null;
if (this.channel.modules.chat) {
this.channel.modules.chat.registerCommand("poll", this.handlePollCmd.bind(this, false));
this.channel.modules.chat.registerCommand("hpoll", this.handlePollCmd.bind(this, true));
}
}
PollModule.prototype = Object.create(ChannelModule.prototype);
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PollModule.prototype.unload = function () {
if (this.poll && this.poll.timer) {
clearTimeout(this.poll.timer);
}
};
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PollModule.prototype.load = function (data) {
if ("poll" in data) {
if (data.poll !== null) {
this.poll = new Poll(data.poll.initiator, "", [], data.poll.obscured);
this.poll.title = data.poll.title;
this.poll.options = data.poll.options;
this.poll.counts = data.poll.counts;
this.poll.votes = data.poll.votes;
}
}
};
PollModule.prototype.save = function (data) {
if (this.poll === null) {
data.poll = null;
return;
}
data.poll = {
title: this.poll.title,
initiator: this.poll.initiator,
options: this.poll.options,
counts: this.poll.counts,
votes: this.poll.votes,
obscured: this.poll.obscured
};
};
PollModule.prototype.onUserPostJoin = function (user) {
this.sendPoll([user]);
user.socket.typecheckedOn("newPoll", TYPE_NEW_POLL, this.handleNewPoll.bind(this, user));
user.socket.typecheckedOn("vote", TYPE_VOTE, this.handleVote.bind(this, user));
user.socket.on("closePoll", this.handleClosePoll.bind(this, user));
};
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PollModule.prototype.onUserPart = function(user) {
if (this.poll) {
this.poll.unvote(user.realip);
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this.sendPollUpdate(this.channel.users);
}
};
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PollModule.prototype.sendPoll = function (users) {
if (!this.poll) {
return;
}
var obscured = this.poll.packUpdate(false);
var unobscured = this.poll.packUpdate(true);
var perms = this.channel.modules.permissions;
users.forEach(function (u) {
u.socket.emit("closePoll");
if (perms.canViewHiddenPoll(u)) {
u.socket.emit("newPoll", unobscured);
} else {
u.socket.emit("newPoll", obscured);
}
});
};
PollModule.prototype.sendPollUpdate = function (users) {
if (!this.poll) {
return;
}
var obscured = this.poll.packUpdate(false);
var unobscured = this.poll.packUpdate(true);
var perms = this.channel.modules.permissions;
users.forEach(function (u) {
if (perms.canViewHiddenPoll(u)) {
u.socket.emit("updatePoll", unobscured);
} else {
u.socket.emit("updatePoll", obscured);
}
});
};
PollModule.prototype.handleNewPoll = function (user, data) {
if (!this.channel.modules.permissions.canControlPoll(user)) {
return;
}
var title = data.title.substring(0, 255);
var opts = data.opts.map(function (x) { return (""+x).substring(0, 255); });
var obscured = data.obscured;
var poll = new Poll(user.getName(), title, opts, obscured);
var self = this;
if (data.hasOwnProperty("timeout") && !isNaN(data.timeout) && data.timeout > 0) {
poll.timer = setTimeout(function () {
if (self.poll === poll) {
self.handleClosePoll({
getName: function () { return "[poll timer]" },
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effectiveRank: 255
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});
}
}, data.timeout * 1000);
}
this.poll = poll;
this.sendPoll(this.channel.users);
this.channel.logger.log("[poll] " + user.getName() + " opened poll: '" + poll.title + "'");
};
PollModule.prototype.handleVote = function (user, data) {
if (!this.channel.modules.permissions.canVote(user)) {
return;
}
if (this.poll) {
this.poll.vote(user.realip, data.option);
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this.sendPollUpdate(this.channel.users);
}
};
PollModule.prototype.handleClosePoll = function (user) {
if (!this.channel.modules.permissions.canControlPoll(user)) {
return;
}
if (this.poll) {
if (this.poll.obscured) {
this.poll.obscured = false;
this.channel.broadcastAll("updatePoll", this.poll.packUpdate(true));
}
if (this.poll.timer) {
clearTimeout(this.poll.timer);
}
this.channel.broadcastAll("closePoll");
this.channel.logger.log("[poll] " + user.getName() + " closed the active poll");
this.poll = null;
}
};
PollModule.prototype.handlePollCmd = function (obscured, user, msg, meta) {
if (!this.channel.modules.permissions.canControlPoll(user)) {
return;
}
msg = msg.replace(/^\/h?poll/, "");
var args = msg.split(",");
var title = args.shift();
var poll = new Poll(user.getName(), title, args, obscured);
this.poll = poll;
this.sendPoll(this.channel.users);
this.channel.logger.log("[poll] " + user.getName() + " opened poll: '" + poll.title + "'");
};
module.exports = PollModule;