From 57ed3a13a3772c0465f67a5eb041b910bee2c0a2 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Fri, 26 Jun 2020 12:00:10 +0200
Subject: [PATCH] Send WHO query when opening nick buffer

---
 components/app.js           | 22 ++++++++++++++++++++--
 components/buffer-header.js | 28 +++++++++++++++++++++-------
 lib/irc.js                  |  2 ++
 3 files changed, 43 insertions(+), 9 deletions(-)

diff --git a/components/app.js b/components/app.js
index fb5ee84..52b2459 100644
--- a/components/app.js
+++ b/components/app.js
@@ -122,7 +122,8 @@ export default class App extends Component {
 			buffers.set(name, {
 				name,
 				type,
-				topic: null,
+				topic: null, // if channel
+				who: null, // if nick
 				members: new Map(),
 				messages: [],
 				unread: Unread.NONE,
@@ -240,6 +241,21 @@ export default class App extends Component {
 			break;
 		case irc.RPL_ENDOFNAMES:
 			break;
+		case irc.RPL_WHOREPLY:
+			var last = msg.params[msg.params.length - 1];
+			var who = {
+				username: msg.params[2],
+				hostname: msg.params[3],
+				server: msg.params[4],
+				nick: msg.params[5],
+				away: msg.params[6] == 'G', // H for here, G for gone
+				realname: last.slice(last.indexOf(" ") + 1),
+			};
+
+			this.setBufferState(who.nick, { who });
+			break;
+		case irc.RPL_ENDOFWHO:
+			break;
 		case "NOTICE":
 		case "PRIVMSG":
 			var target = msg.params[0];
@@ -335,6 +351,8 @@ export default class App extends Component {
 	open(target) {
 		if (this.isChannel(target)) {
 			this.client.send({ command: "JOIN", params: [target] });
+		} else {
+			this.client.send({ command: "WHO", params: [target] });
 		}
 		this.createBuffer(target);
 		this.switchBuffer(target);
@@ -470,7 +488,7 @@ export default class App extends Component {
 		}
 
 		var topbar = null;
-		if (activeBuffer && this.isChannel(activeBuffer.name)) {
+		if (activeBuffer && activeBuffer.type != BufferType.SERVER) {
 			topbar = html`
 				<section id="topbar">
 					<${BufferHeader} buffer=${activeBuffer} onClose=${() => this.close(activeBuffer.name)}/>
diff --git a/components/buffer-header.js b/components/buffer-header.js
index 215017e..1e8d762 100644
--- a/components/buffer-header.js
+++ b/components/buffer-header.js
@@ -1,20 +1,34 @@
 import { html, Component } from "/lib/index.js";
+import { BufferType } from "/state.js";
 
 export default function BufferHeader(props) {
-	var topic = null;
-	if (props.buffer.topic) {
-		topic = html`<span class="topic">${props.buffer.topic}</span>`;
-	}
-
 	function handlePartClick(event) {
 		event.preventDefault();
 		props.onClose();
 	}
 
+	var description = null;
+	if (props.buffer.topic) {
+		description = html`<span class="description">${props.buffer.topic}</span>`;
+	} else if (props.buffer.who) {
+		var who = props.buffer.who;
+		description = html`<span class="description">${who.realname} (${who.username}@${who.hostname})</span>`;
+	}
+
+	var closeText = "Close";
+	switch (props.buffer.type) {
+	case BufferType.SERVER:
+		closeText = "Disconnect";
+		break;
+	case BufferType.CHANNEL:
+		closeText = "Part";
+		break;
+	}
+
 	return html`
-		${topic}
+		${description}
 		<span class="actions">
-			<a href="#" onClick=${handlePartClick}>Part</a>
+			<a href="#" onClick=${handlePartClick}>${closeText}</a>
 		</span>
 	`;
 }
diff --git a/lib/irc.js b/lib/irc.js
index b48f8dc..b9a5565 100644
--- a/lib/irc.js
+++ b/lib/irc.js
@@ -1,5 +1,7 @@
 export const RPL_WELCOME = "001";
+export const RPL_ENDOFWHO = "315";
 export const RPL_TOPIC = "332";
+export const RPL_WHOREPLY = "352";
 export const RPL_NAMREPLY = "353";
 export const RPL_ENDOFNAMES = "366";
 export const ERR_PASSWDMISMATCH = "464";