Implement LeaveGame event

server/src/events/LeaveGame.ts

@@ -0,0 +1,73 @@
+import { games, log } from '../main';
+import { Server, Socket } from 'socket.io';
+
+export default (io: Server, socket: Socket, data: LeaveGame) => {
+	try {
+
+		// Assert game exists
+		if (!games[data.game_code]) {
+			log.debug(`Could not find a game with ID ${data.game_code} to leave`);
+			socket.emit(`GameJoined`, {
+				status: 404,
+				message: `Game with code "${data.game_code}" could not be found`,
+				source: `JoinGame`,
+			});
+			return;
+		};
+		let game = games[data.game_code];
+
+		// Ensure it's not the host trying to leave so that the game can
+		// actually start
+		if (game.host.socket == socket) {
+			log.debug(`Host `)
+			socket.emit(`GameLeft`, {
+				status: 303,
+				message: `Can't leave the game as the host, use "DeleteGame".`,
+				source: `LeaveGame`,
+			});
+			return;
+		};
+
+		let player = game.players.find(p => p.socket === socket);
+
+		// Ensure we found a player
+		if (player != null) {
+			let role = player.role;
+			let teamID = player.team;
+
+			// Ensure the team is defined
+			if (teamID) {
+				let team = game.teams[teamID - 1];
+
+				switch (role) {
+					case "guesser":
+						log.silly(`Removed ${player.name} from guesser role.`);
+						team.guessers = team.guessers.filter(p => p.socket !== socket);
+					break;
+				case "writer":
+					log.silly(`Removed ${player.name} from writer role.`);
+					team.writer = null;
+					break;
+				};
+
+			};
+
+			game.players = game.players.filter(p => p.socket != socket);
+
+			log.debug(`${player.name} left gID:${game.id}`);
+			socket.to(game.id).emit(`PlayerUpdate`, {
+				status: 200,
+				action: `remove`,
+				players: game.playerData,
+			});
+			socket.emit(`GameLeft`, { status: 200 });
+		};
+	}
+	catch (err) {
+		socket.emit(`GameLeft`, {
+			status: 500,
+			message: `${err.name}: ${err.message}`,
+			source: ``,
+		});
+	}
+};