enwnbot2

commit 2a2ec08894f042959b08ea37e702133e5ba0d6dc
parent c9d312d49d2b73986e39bb4f5b1ea56fe91401ed
Author: Agastya Chandrakant <acagastya@outlook.com>
Date:   Fri, 23 Oct 2020 17:14:25 +0530

Add seen feature

Diffstat:
M
index.js
 | 
71
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-

1 file changed, 70 insertions(+), 1 deletion(-)
diff --git a/index.js b/index.js
@@ -25,6 +25,8 @@ const {
   thanksRegex
 } = require("./utils");
 
+const seenLookup = {};
+
 const ircClient = new irc.Client(ircServer, ircBotName, { channels });
 
 console.log("Connecting to the event stream...");
@@ -47,17 +49,66 @@ ircClient.addListener("error", function(message) {
 });
 
 ircClient.addListener("pm", function(sender, msg) {
-  if(msg == "KILL" && ['pizero', 'pizero|afk', 'acagastya'].indexOf(sender) >= 0) process.abort();
+  if (
+    msg == "KILL" &&
+    ["pizero", "pizero|afk", "acagastya"].indexOf(sender) >= 0
+  )
+    process.abort();
   ircClient.say(sender, "I am a bot.");
 });
 
 ircClient.addListener("message", groupChat);
 
+ircClient.addListener("names", getNames);
+
+ircClient.addListener("nick", handleNickChange);
+
+ircClient.addListener("join", handleJoin);
+
+ircClient.addListener("part", handlePart);
+
+ircClient.addListener("quit", handleQuit);
+
+function handleJoin(channel, nick) {
+  if (seenLookup[channel] === undefined) seenLookup[channel] = {};
+  seenLookup[channel][nick] = "";
+}
+
+function getNames(channel, nicks) {
+  seenLookup[channel] = { ...nicks };
+  Object.keys(seenLookup[channel]).forEach(
+    nick => (seenLookup[channel][nick] = "")
+  );
+}
+
+function handlePart(channel, nick) {
+  if (seenLookup[channel] === undefined) seenLookup[channel] = {};
+  seenLookup[channel][nick] = +new Date();
+}
+
+function handleQuit(nick, reason, channels) {
+  channels.forEach(channel => {
+    if (seenLookup[channel] !== undefined) {
+      seenLookup[channel][nick] = +new Date();
+    }
+  });
+}
+
+function handleNickChange(oldNick, newNick, channels) {
+  channels.forEach(channel => {
+    if (seenLookup[channel] !== undefined) {
+      seenLookup[channel][oldNick] = +new Date();
+      seenLookup[channel][newNick] = "";
+    }
+  });
+}
+
 function groupChat(sender, channel, msg) {
   if (thanksRegex.test(msg))
     ircClient.say(channel, `You are welcome, ${sender}.`);
   if (msg.includes(`${ircBotName} !RQ`)) announceRQ(sender, channel);
   if (msg.includes(`${ircBotName} !UR`)) announceUR(sender, channel);
+  if (msg.startsWith("@seen ")) handleSeen(channel, msg);
 
   const links = msg.match(linkRegex);
   const templates = msg.match(templateRegex);
@@ -125,6 +176,24 @@ async function announceUR(sender, channel) {
   }
 }
 
+function handleSeen(channel, msg) {
+  const username = msg.split("@seen ")[1];
+  if (seenLookup[channel] === undefined) return;
+  if (seenLookup[channel][username] === undefined) {
+    ircClient.say(channel, `I have never seen ${username} on ${channel}.`);
+    return;
+  }
+  if (seenLookup[channel][username] === "") {
+    ircClient.say(channel, `${username} is online.`);
+    return;
+  }
+  const time = new Date(seenLookup[channel][username]).toUTCString();
+  ircClient.say(
+    channel,
+    `${username} was last onilne on ${channel} at ${time}.`
+  );
+}
+
 function sayUrls(
   review = false,
   urlList,