/
greeting.ts
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/
greeting.ts
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/*
This file is part of botten-nappet -- a Twitch bot and streaming tool.
<https://joelpurra.com/projects/botten-nappet/>
Copyright (c) 2018 Joel Purra <https://joelpurra.com/>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import {
assert,
} from "check-types";
import PinoLogger from "@botten-nappet/shared/util/pino-logger";
import EventSubscriptionManager from "@botten-nappet/shared/event/event-subscription-manager";
import IEventEmitter from "@botten-nappet/shared/event/ievent-emitter";
import IEventSubscriptionConnection from "@botten-nappet/shared/event/ievent-subscription-connection";
import IIncomingIrcCommand from "../command/iincoming-irc-command";
import IOutgoingIrcCommand from "../command/ioutgoing-irc-command";
export default class GreetingIrcHandler extends EventSubscriptionManager<IIncomingIrcCommand> {
private outgoingIrcCommandEventEmitter: IEventEmitter<IOutgoingIrcCommand>;
private greetings: RegExp[];
private username: string;
constructor(
logger: PinoLogger,
connection: IEventSubscriptionConnection<IIncomingIrcCommand>,
outgoingIrcCommandEventEmitter: IEventEmitter<IOutgoingIrcCommand>,
username: string,
) {
super(logger, connection);
assert.hasLength(arguments, 4);
assert.equal(typeof logger, "object");
assert.equal(typeof connection, "object");
assert.equal(typeof outgoingIrcCommandEventEmitter, "object");
assert.equal(typeof username, "string");
assert.greater(username.length, 0);
this.logger = logger.child("GreetingIrcHandler");
this.outgoingIrcCommandEventEmitter = outgoingIrcCommandEventEmitter;
this.username = username;
this.greetings = [
/\bh(e+|a+)llo\b/,
/\bhi+\b/,
/\bhiya\b/,
/\bhe+y\b/,
/\bhowdy\b/,
/\baloha\b/,
/\b(o )?hai\b/,
/\bgood (morning|evening|day)\b/,
/\bwhat ?s up\b/,
/\bwh?a+z+(u+p+)?\b/,
/\byo+\b/,
/\bay+\b/,
// NOTE: emoticons.
/\bheyguys\b/,
/\bvohiyo\b/,
/\bkoncha\b/,
];
}
protected async dataHandler(data: IIncomingIrcCommand): Promise<void> {
assert.hasLength(arguments, 1);
assert.equal(typeof data, "object");
this.logger.trace("Responding to greeting.", data.username, data.message, "dataHandler");
const userIsASubscriber = data.tags!.subscriber === "1";
// TODO: use a string templating system.
// TODO: configure response.
let response = null;
if (userIsASubscriber) {
response = `Hiya @${data.username}, loyal rubber ducky, how are you?`;
} else {
response = `Hiya @${data.username}, how are you?`;
}
const command: IOutgoingIrcCommand = {
channel: data.channel,
command: "PRIVMSG",
message: response,
tags: {},
timestamp: new Date(),
};
this.outgoingIrcCommandEventEmitter.emit(command);
}
protected async filter(data: IIncomingIrcCommand): Promise<boolean> {
assert.hasLength(arguments, 1);
assert.equal(typeof data, "object");
if (data.command !== "PRIVMSG") {
return false;
}
if (typeof data.message !== "string") {
return false;
}
if (data.username === this.username) {
return false;
}
const tokenizedMessage = data.message
.toLowerCase()
.split(/[^a-z]+/)
.map((tokenizedPart) => tokenizedPart.trim())
.filter((tokenizedPart) => tokenizedPart.length > 0)
.join(" ")
.trim();
const isGreeting = this.greetings.some((greeting) => {
return greeting.test(tokenizedMessage);
});
return isGreeting;
}
}