initial pass at status support

models/enum/user_status.js

@@ -1,6 +0,0 @@
-module.exports = [
-  'ACTIVE',
-  'BANNED',
-  'PENDING',
-  'APPROVED' // Indicates that the users' username has been approved
-];

models/enum/user_status_username.js

@@ -0,0 +1,25 @@
+module.exports = [
+
+  // UNSET is used when the username can be changed, and does not necessarily
+  // require moderator action to become active. This can be used when the user
+  // signs up with a social login and has the option of setting their own
+  // username.
+  'UNSET',
+
+  // SET is used when the username has been set for the first time, but cannot
+  // change without the username being rejected by a moderator and that moderator
+  // agreeing that the username should be allowed to change.
+  'SET',
+
+  // APPROVED is used when the username was changed, and subsequently approved by
+  // said moderator.
+  'APPROVED',
+
+  // REJECTED is used when the username was changed, and subsequently rejected by
+  // said moderator.
+  'REJECTED',
+
+  // CHANGED is used after a user has changed their username after it was
+  // rejected.
+  'CHANGED',
+];