cryptalk/public/js/lib/room.js

/*

	Accepts:
		mediator.on('command:join', ...);
		mediator.on('command:leave', ...);
		mediator.on('command:key', ...);

	Emits:
		mediator.emit('room:changed',...);
		mediator.emit('console:error',...);
		mediator.emit('socket:emit',...);

*/

define(['$', 'castrato', 'settings', 'templates'], function ($, mediator, settings, templates) { 
	var // Private properties
		room = false,

		join = function(payload) {
			if (room !== false) {
				mediator.emit('console:error',
					$.template(templates.messages.already_in_room, {
						room: room
					})
				);
			} else if (payload.length >= settings.room.maxLen) {
				mediator.emit('console:error', $.template(templates.messages.room_name_too_long));
			} else if (payload.length < settings.room.minLen) {
				mediator.emit('console:error', $.template(templates.messages.room_name_too_short));
			} else {
				room = payload;
				
				mediator
					.emit('room:changed', room)
					.emit('socket:emit', {
						data: 'room:join',
						payload: $.SHA1(room)
					});
			}
		},

		leave = function() {
			if (room !== false) {
				mediator.emit('socket:emit', {
					data: 'room:leave',
					payload: $.SHA1(room)
				});

				room = false;
			} else {
				mediator.emit('console:error', templates.messages.leave_from_nowhere);
			}
		},

		count = function() {
			if (room) {
				mediator.emit('socket:emit', {data: 'room:count'});
			} else {
				mediator.emit('console:error', templates.messages.not_in_room);
			}
		};

	// Connect events
	mediator.on('command:join', join);
	mediator.on('command:leave', leave);
	mediator.on('command:count', count);
});