Resolved issues #4 and #5

code/lib/data.js

@@ -50,10 +50,12 @@ module.exports = {
             payload = JSON.parse (payload);
             var username = payload.username;
             var password = payload.password;
+            var description = payload.description || "";
             var vlan = payload.vlan;
             users[username] = {
                 password: password,
-                vlan: vlan
+                vlan: vlan,
+                description: description
             };
             persistData ();
             callback ("OK\n\n", null);
@@ -63,6 +65,32 @@ module.exports = {
         }
     },
 
+    getUsers: (callback) => {
+        try {
+            var response = Object.keys (users).map ((username) => {
+                return {
+                    username: username,
+                    password: users[username].password,
+                    description: users[username].description,
+                    vlan: users[username].vlan
+                }
+            });
+            callback (response, null);
+        }
+        catch (error) {
+            callback (null, "Not found\n\n");
+        }
+    },
+
+    getUser: (username, callback) => {
+        try {
+            callback (users[username], null);
+        }
+        catch (error) {
+            callback (null, "Not found\n\n");
+        }
+    },
+
     updateUser: (payload, callback) => {
         payload = JSON.parse (payload);
         callback ("OK\n\n", null);