From 4fb1a008cac888bee8efc6f6eeb56dbf464bba1a Mon Sep 17 00:00:00 2001
From: John Ma <jiama843@gmail.com>
Date: Wed, 12 Sep 2018 17:03:01 -0400
Subject: [PATCH] Fixed #255

* <Fixed how uid was generated>

* <Fixed code style>

* <Removed unnecessary downcase call>
---
 app/models/user.rb | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/app/models/user.rb b/app/models/user.rb
index f7d0be43..f71699a8 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -92,7 +92,17 @@ class User < ApplicationRecord
   end
 
   def name_chunk
-    name[0...3].downcase
+    charset = ("a".."z").to_a - %w(b i l o s) + ("2".."9").to_a - %w(5 8)
+    chunk = name.parameterize[0...3]
+    if chunk.empty?
+      chunk + (0...3).map { charset.to_a[rand(charset.size)] }.join
+    elsif chunk.length == 1
+      chunk + (0...2).map { charset.to_a[rand(charset.size)] }.join
+    elsif chunk.length == 2
+      chunk + (0...1).map { charset.to_a[rand(charset.size)] }.join
+    else
+      chunk
+    end
   end
 
   def greenlight_account?