From 4016c387f805f7d5bf9917837d6ac6f3261bf358 Mon Sep 17 00:00:00 2001
From: Přemysl Janouch <p.janouch@gmail.com>
Date: Tue, 19 May 2015 21:02:49 +0200
Subject: degesch: naively implement the unimplemented

---
 degesch.c | 123 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 111 insertions(+), 12 deletions(-)

diff --git a/degesch.c b/degesch.c
index 52414de..b5fc556 100644
--- a/degesch.c
+++ b/degesch.c
@@ -4794,6 +4794,8 @@ server_command_check (struct app_context *ctx, const char *action,
 	// as they may want to log buffer lines and use our current nickname
 
 	if (ctx->current_buffer->type == BUFFER_GLOBAL)
+		// XXX: couldn't we just pass the name of the user command here?
+		//   That doesn't actually concern the function but rather its callers.
 		buffer_send_error (ctx, ctx->current_buffer,
 			"Can't do this from a global buffer (%s)", action);
 	else
@@ -5498,6 +5500,91 @@ handle_command_list (struct app_context *ctx, char *arguments)
 	return true;
 }
 
+static bool
+handle_command_names (struct app_context *ctx, char *arguments)
+{
+	if (!server_command_check (ctx, "names", true))
+		return true;
+
+	struct server *s = ctx->current_buffer->server;
+	char *channel_name = try_get_channel (ctx, &arguments);
+	if (!channel_name)
+		irc_send (s, "NAMES");
+	else
+		irc_send (s, "NAMES %s", channel_name);
+	return true;
+}
+
+static bool
+handle_command_who (struct app_context *ctx, char *arguments)
+{
+	if (!server_command_check (ctx, "who", true))
+		return true;
+
+	struct server *s = ctx->current_buffer->server;
+	if (*arguments)
+		irc_send (s, "WHO %s", arguments);
+	else
+		irc_send (s, "WHO");
+	return true;
+}
+
+static bool
+handle_command_whois (struct app_context *ctx, char *arguments)
+{
+	if (!server_command_check (ctx, "whois", true))
+		return true;
+
+	struct server *s = ctx->current_buffer->server;
+	if (*arguments)
+		irc_send (s, "WHOIS %s", arguments);
+	else
+		irc_send (s, "WHOIS");
+	return true;
+}
+
+static bool
+handle_command_whowas (struct app_context *ctx, char *arguments)
+{
+	if (!server_command_check (ctx, "whowas", true))
+		return true;
+
+	struct server *s = ctx->current_buffer->server;
+	if (*arguments)
+		irc_send (s, "WHOWAS %s", arguments);
+	else
+		irc_send (s, "WHOWAS");
+	return true;
+}
+
+static bool
+handle_command_motd (struct app_context *ctx, char *arguments)
+{
+	if (!server_command_check (ctx, "motd", true))
+		return true;
+
+	struct server *s = ctx->current_buffer->server;
+	if (*arguments)
+		irc_send (s, "MOTD %s", arguments);
+	else
+		irc_send (s, "MOTD");
+	return true;
+}
+
+static bool
+handle_command_away (struct app_context *ctx, char *arguments)
+{
+	if (!server_command_check (ctx, "away", true))
+		return true;
+
+	struct server *s = ctx->current_buffer->server;
+	if (*arguments)
+		irc_send (s, "AWAY %s", arguments);
+	else
+		irc_send (s, "AWAY");
+	return true;
+}
+
 static bool
 handle_command_nick (struct app_context *ctx, char *arguments)
 {
@@ -5526,8 +5613,6 @@ handle_command_quote (struct app_context *ctx, char *arguments)
 
 static bool handle_command_help (struct app_context *, char *);
 
-#define NOT_IMPLEMENTED(name) { #name, "(Not implemented)", NULL, NULL },
-
 static struct command_handler
 {
 	const char *name;
@@ -5579,6 +5664,8 @@ g_command_handlers[] =
 	  "[<channel>[,<channel>...]] [<reason>]",
 	  handle_command_cycle },
 
+	// TODO: /op, /voice, /hop
+
 	{ "mode",       "Change mode",
 	  "[<channel>] [<mode>...]",
 	  handle_command_mode },
@@ -5607,12 +5694,28 @@ g_command_handlers[] =
 	{ "list",       "List channels and their topic",
 	  "[<channel>[,<channel>...]] [<server>]",
 	  handle_command_list },
-	NOT_IMPLEMENTED (names)
-	NOT_IMPLEMENTED (who)
-	NOT_IMPLEMENTED (whois)
-
-	NOT_IMPLEMENTED (motd)
-	NOT_IMPLEMENTED (away)
+	// XXX: for NAMES with no arguments, how do we tell the end of it all?
+	//   Maybe we just surf through all channels and process the lists
+	//   as they are.
+	{ "names",      "List users on channel",
+	  "[<channel>[,<channel>...]]",
+	  handle_command_names },
+	{ "who",        "List users",
+	  "[<mask>]",
+	  handle_command_who },
+	{ "whois",      "Get user information",
+	  "<mask>",
+	  handle_command_whois },
+	{ "whowas",     "Get user information",
+	  "<mask>",
+	  handle_command_whowas },
+
+	{ "motd",       "Get the Message of The Day",
+	  NULL,
+	  handle_command_motd },
+	{ "away",       "Set away status",
+	  "[<text>]",
+	  handle_command_away },
 	{ "nick",       "Change current nick",
 	  "<nickname>",
 	  handle_command_nick },
@@ -5754,10 +5857,6 @@ process_user_command (struct app_context *ctx, char *command)
 	if (!handler)
 		buffer_send_error (ctx, ctx->global_buffer,
 			"%s: %s", "No such command", name);
-	// TODO: remove once everything is implemented
-	else if (!handler->handler)
-		buffer_send_error (ctx, ctx->global_buffer,
-			"%s: %s", "Not implemented", name);
 	else if (!handler->handler (ctx, command))
 		buffer_send_error (ctx, ctx->global_buffer,
 			"%s: /%s %s", "Usage", handler->name, handler->usage);
-- 
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