From 8e7412eb970437541fc4b184e7429231a6384860 Mon Sep 17 00:00:00 2001
From: Přemysl Janouch <p.janouch@gmail.com>
Date: Mon, 20 Apr 2015 00:08:18 +0200
Subject: degesch: halfplement NICK and QUIT handlers

---
 degesch.c | 94 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 89 insertions(+), 5 deletions(-)

diff --git a/degesch.c b/degesch.c
index 798344f..8ea9ad9 100644
--- a/degesch.c
+++ b/degesch.c
@@ -1835,9 +1835,57 @@ irc_handle_mode (struct app_context *ctx, const struct irc_message *msg)
 static void
 irc_handle_nick (struct app_context *ctx, const struct irc_message *msg)
 {
-	// TODO: rename the user in all relevant channels
-	// TODO: if it's us, rename ourselves
-	// TODO: log a message in all relevant channels
+	if (!msg->prefix || msg->params.len < 1)
+		return;
+
+	// FIXME: make sure we have an associated user;
+	//   we might be able to get rid of "irc_nickname" then
+	char *nickname = irc_cut_nickname (msg->prefix);
+	struct user *user = str_map_find (&ctx->irc_users, nickname);
+	free (nickname);
+	if (!user)
+		return;
+
+	const char *new_nickname = msg->params.vector[0];
+	if (irc_is_this_us (ctx, msg->prefix))
+	{
+		// Update user information
+		free (ctx->irc_nickname);
+		ctx->irc_nickname = xstrdup (new_nickname);
+		refresh_prompt (ctx);
+
+		// Log a message in all open buffers on this server
+		struct str_map_iter iter;
+		str_map_iter_init (&iter, &ctx->irc_buffer_map);
+		struct buffer *buffer;
+		while ((buffer = str_map_iter_next (&iter)))
+		{
+			// TODO: log a "You are now known as" message
+		}
+	}
+	else
+	{
+		// Log a message in any PM buffer
+		struct buffer *buffer =
+			str_map_find (&ctx->irc_buffer_map, user->nickname);
+		if (buffer)
+		{
+			// TODO: log a message in the buffer
+			// TODO: rename the buffer, and if it collides, merge them
+		}
+
+		// Log a message in all channels the user is in
+		LIST_FOR_EACH (struct user_channel, iter, user->channels)
+		{
+			buffer = str_map_find (&ctx->irc_buffer_map, iter->channel->name);
+			hard_assert (buffer != NULL);
+			// TODO: log a message in the buffer
+		}
+	}
+
+	// Finally rename the user
+	free (user->nickname);
+	user->nickname = xstrdup (new_nickname);
 }
 
 static void
@@ -1916,8 +1964,44 @@ irc_handle_privmsg (struct app_context *ctx, const struct irc_message *msg)
 static void
 irc_handle_quit (struct app_context *ctx, const struct irc_message *msg)
 {
-	// TODO: remove user from all channels
-	// TODO: log a message
+	if (!msg->prefix)
+		return;
+
+	// What the fuck
+	if (irc_is_this_us (ctx, msg->prefix))
+		return;
+
+	char *nickname = irc_cut_nickname (msg->prefix);
+	struct user *user = str_map_find (&ctx->irc_users, nickname);
+	free (nickname);
+	if (!user)
+		return;
+
+	const char *message = NULL;
+	if (msg->params.len > 0)
+		message = msg->params.vector[0];
+
+	// Log a message in any PM buffer
+	struct buffer *buffer =
+		str_map_find (&ctx->irc_buffer_map, user->nickname);
+	if (buffer)
+	{
+		// TODO: log a message in the buffer
+	}
+
+	// Log a message in all channels the user is in
+	LIST_FOR_EACH (struct user_channel, iter, user->channels)
+	{
+		buffer = str_map_find (&ctx->irc_buffer_map, iter->channel->name);
+		hard_assert (buffer != NULL);
+		// TODO: log a message in the buffer
+
+		// TODO: remove the "channel_user" link from iter->channel
+		// TODO: remove the link from the list and free it
+	}
+
+	// TODO: check reference count on the user and if it's just one,
+	//   remove him from "irc_users"
 }
 
 static void
-- 
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