CyTube/lib/channel/ranks.js

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2014-05-21 02:30:14 +00:00
var ChannelModule = require("./module");
var Flags = require("../flags");
var Account = require("../account");
var db = require("../database");
const TYPE_SET_CHANNEL_RANK = {
name: "string",
rank: "number"
};
function RankModule(channel) {
ChannelModule.apply(this, arguments);
if (this.channel.modules.chat) {
this.channel.modules.chat.registerCommand("/rank", this.handleCmdRank.bind(this));
}
}
RankModule.prototype = Object.create(ChannelModule.prototype);
RankModule.prototype.onUserPostJoin = function (user) {
user.socket.typecheckedOn("setChannelRank", TYPE_SET_CHANNEL_RANK, this.handleRankChange.bind(this, user));
var self = this;
user.socket.on("requestChannelRanks", function () {
self.sendChannelRanks([user]);
});
};
RankModule.prototype.sendChannelRanks = function (users) {
if (!this.channel.is(Flags.C_REGISTERED)) {
return;
}
db.channels.allRanks(this.channel.name, function (err, ranks) {
if (err) {
return;
}
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users.forEach(function (u) {
if (u.account.effectiveRank >= 3) {
u.socket.emit("channelRanks", ranks);
}
});
});
};
RankModule.prototype.handleCmdRank = function (user, msg, meta) {
var args = msg.split(" ");
args.shift(); /* shift off /rank */
var name = args.shift();
var rank = parseInt(args.shift());
if (!name || isNaN(rank)) {
user.socket.emit("noflood", {
action: "/rank",
msg: "Syntax: /rank <username> <rank>. <rank> must be a positive integer > 1"
});
return;
}
this.handleRankChange(user, { name: name, rank: rank });
};
RankModule.prototype.handleRankChange = function (user, data) {
if (user.account.effectiveRank < 3) {
return;
}
var rank = data.rank;
var userrank = user.account.effectiveRank;
var name = data.name.substring(0, 20).toLowerCase();
if (!name.match(/^[a-zA-Z0-9_-]{1,20}$/)) {
user.socket.emit("channelRankFail", {
msg: "Invalid target name " + data.name
});
return;
}
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if (isNaN(rank) || rank < 1 || (rank >= userrank && !(userrank === 4 && rank === 4))) {
user.socket.emit("channelRankFail", {
msg: "Updating user rank failed: You can't promote someone to a rank equal " +
"or higher than yourself, or demote them to below rank 1."
});
return;
}
var receiver;
var lowerName = name.toLowerCase();
for (var i = 0; i < this.channel.users.length; i++) {
if (this.channel.users[i].getLowerName() === lowerName) {
receiver = this.channel.users[i];
break;
}
}
if (name === user.getLowerName()) {
user.socket.emit("channelRankFail", {
msg: "Updating user rank failed: You can't promote or demote yourself."
});
return;
}
if (!this.channel.is(Flags.C_REGISTERED)) {
user.socket.emit("channelRankFail", {
msg: "Updating user rank failed: in an unregistered channel, a user must " +
"be online in the channel in order to have their rank changed."
});
return;
}
if (receiver) {
var current = Math.max(receiver.account.globalRank, receiver.account.channelRank);
if (current >= userrank && !(userrank === 4 && current === 4)) {
user.socket.emit("channelRankFail", {
msg: "Updating user rank failed: You can't promote or demote "+
"someone who has equal or higher rank than yourself"
});
return;
}
receiver.account.channelRank = rank;
receiver.account.effectiveRank = Math.max(receiver.account.globalRank, rank);
receiver.socket.emit("rank", receiver.account.effectiveRank);
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this.channel.logger.log("[mod] " + user.getName() + " set " + name + "'s rank " +
"to " + rank);
this.channel.broadcastAll("setUserRank", data);
if (!this.channel.is(Flags.C_REGISTERED)) {
user.socket.emit("channelRankFail", {
msg: "This channel is not registered. Any rank changes are temporary " +
"and not stored in the database."
});
return;
}
if (!receiver.is(Flags.U_REGISTERED)) {
user.socket.emit("channelRankFail", {
msg: "The user you promoted is not a registered account. " +
"Any rank changes are temporary and not stored in the database."
});
return;
}
data.userrank = userrank;
this.updateDatabase(data, function (err) {
if (err) {
user.socket.emit("channelRankFail", {
msg: "Database failure when updating rank"
});
}
});
} else {
data.userrank = userrank;
var self = this;
this.updateDatabase(data, function (err) {
if (err) {
user.socket.emit("channelRankFail", {
msg: "Updating user rank failed: " + err
});
}
self.channel.logger.log("[mod] " + user.getName() + " set " + data.name +
"'s rank to " + rank);
self.channel.broadcastAll("setUserRank", data);
if (self.channel.modules.chat) {
self.channel.modules.chat.sendModMessage(
user.getName() + " set " + data.name + "'s rank to " + rank,
3
);
}
});
}
};
RankModule.prototype.updateDatabase = function (data, cb) {
var chan = this.channel;
Account.rankForName(data.name, { channel: this.channel.name }, function (err, rank) {
if (err) {
return cb(err);
}
if (rank >= data.userrank && !(rank === 4 && data.userrank === 4)) {
cb("You can't promote or demote someone with equal or higher rank than you.");
return;
}
db.channels.setRank(chan.name, data.name, data.rank, cb);
});
};
module.exports = RankModule;