command to set room description

src/command/set/room/description.rs

@@ -0,0 +1,50 @@
+use std::str::FromStr;
+
+use mio::Token;
+
+use crate::command::CommandSetRoom;
+use crate::database::Db;
+use crate::queue::SendQueue;
+use crate::{option_send, try_option_send_error, try_send, try_send_error};
+
+impl CommandSetRoom {
+	/// Set the specified line in the description to the specified text.
+	pub fn dispatch_description(&self, args: String, token: Token, db: &mut Db) -> SendQueue {
+		// parse the arguments
+		if args.is_empty() {
+			return SendQueue(
+				vec![(token, "Set what line to what description?".into(), true)].into(),
+			);
+		}
+
+		let space = option_send!(token, args.find(' '), "Set what line to what description?");
+
+		let mut line_string = args.clone();
+		let mut description = line_string.split_off(space);
+		description.remove(0);
+		let line_num: usize = try_send!(
+			token,
+			u8::from_str(&line_string),
+			"Can't figure out line number from '{}'.",
+			line_string
+		)
+		.into();
+
+		// load the player and room
+		let player = try_option_send_error!(token, db.get_connected_player(token));
+		let mut room = try_option_send_error!(token, db.load_room(player.location));
+
+		// make sure description has enough lines
+		if line_num > room.description.len().into() {
+			for _ in room.description.len()..line_num {
+				room.description.push("".into());
+			}
+		}
+
+		// set description and save
+		room.description[line_num - 1] = description;
+		let _ = try_send_error!(token, db.save_room(&room));
+
+		SendQueue::ok(token)
+	}
+}

src/command/set/room/mod.rs

@@ -1,5 +1,7 @@
+mod description;
 mod name;
 mod room;
 
+pub use description::*;
 pub use name::*;
 pub use room::*;

src/command/set/room/room.rs

@@ -9,6 +9,7 @@ use crate::queue::SendQueue;
 
 #[derive(Clone, Debug, Display, EnumIter, Eq, Ord, PartialEq, PartialOrd)]
 pub enum CommandSetRoom {
+	Description,
 	Name,
 	Default,
 }
@@ -22,6 +23,7 @@ impl Default for CommandSetRoom {
 impl Parse for CommandSetRoom {
 	fn help(&self) -> &str {
 		match self {
+			Self::Description => "set room description LINE DESCRIPTION :: Set line LINE of description to DESCRIPTION.",
 			Self::Name => "set room name NEW_NAME :: Set room name to NEW_NAME.",
 			Self::Default => "",
 		}
@@ -29,6 +31,7 @@ impl Parse for CommandSetRoom {
 
 	fn dispatch_map(&self) -> fn(&Self, String, Token, &mut Db) -> SendQueue {
 		match self {
+			Self::Description => Self::dispatch_description,
 			Self::Name => Self::dispatch_name,
 			Self::Default => Self::dispatch_default,
 		}