init, just some testing

src/user.js

@@ -0,0 +1,67 @@
+var RDB = require('../RedisDB.js');
+
+(function(User) {
+	var current_uid;
+
+	User.create = function(username, password) {
+		if (current_uid) {
+			global.socket.emit('user.create', {'status': 0, 'message': 'Only anonymous users can register a new account.'});
+			return;
+		}
+
+		if (username == null || password == null) {
+			global.socket.emit('user.create', {'status': 0, 'message': 'Missing fields'});
+			return;
+		}
+
+
+		User.exists(username, function(exists) {
+			if (exists) {
+				return;
+			}
+
+			RDB.incr('global:next_user_id', function(uid) {
+				RDB.set('username:' + username + ':uid', uid);
+				RDB.set('uid:' + uid + ':username', username);
+				RDB.set('uid:' + uid + ':password', password);
+				
+				RDB.incr('user:count', function(count) {
+					io.sockets.emit('user.count', {count: count});
+				});
+
+				RDB.lpush('user:users', username);
+				io.sockets.emit('user.latest', {username: username});
+
+				global.socket.emit('user.create', {'status': 1});
+			});
+		});
+	};
+
+
+	User.exists = function(username, callback) {
+		User.get_uid_by_username(username, function(exists) {
+			exists = !!exists;
+			global.socket.emit('user.exists', {exists: exists})
+
+			if (callback) {
+				callback(exists);
+			}
+		});
+	};
+	User.count = function() {
+		RDB.get('user:count', function(count) {
+			global.socket.emit('user.count', {count: (count === null) ? 0 : count});
+		});
+	};
+	User.latest = function() {
+		RDB.lrange('user:users', 0, 0, function(username) {
+			global.socket.emit('user.latest', {username: username});
+		});	
+	}
+
+	User.get_uid_by_username = function(username, callback) {
+		RDB.get('username:' + username + ':uid', callback);
+	};
+
+
+}(exports));