把所有user_extensions的逻辑移到了user中，业务代码还没有修改,下一步是user_score和projectxxx,先测测效果

Gemfile

@@ -19,6 +19,10 @@ gem 'acts-as-taggable-on'
 group :development do
   gem 'better_errors', path: 'lib/better_errors'
   gem 'rack-mini-profiler', path: 'lib/rack-mini-profiler'
+  if ENV['PRY']
+    gem 'pry'
+    gem 'pry-nav'
+  end
 end
 
 # Optional gem for LDAP authentication

ReadMe.txt

@@ -6,6 +6,13 @@ alias
 name     firstname+lastname  login
 nickname xxx                 login
 realname xxx                 firstname+lastname
+
+User model经过修改，已经完全集成了user_extensions的功能
+例如
+user.gender=1
+user.save
+user_extensions字段会自动保存
+不必要每次user.user_extensions.xxx以及判断是否为空
 ================================================================================
 app/models/setting.rb :165
   # fixed domain url in development. tantantan's bug

app/models/user.rb

@@ -199,6 +199,53 @@ class User < Principal
     end
   }
 
+
+  # ======================================================================
+  # 集中处理 User 扩展表为空的问题
+  validate :valid_user_extensions
+  before_save :save_user_extensions
+
+  def extensions
+    self.user_extensions ||= self.create_user_extensions
+  end
+
+  def respond_to?(m, include_private = false)
+    flag = extensions.respond_to? m.to_sym
+    if flag
+      flag
+    else
+      super
+    end
+  end
+
+  def method_missing m, *args, &block
+    if extensions.respond_to? m.to_sym
+      self.class.send :define_method, m.to_sym, *args do
+        self.extensions.__send__ m.to_sym, *args
+      end
+      __send__ m.to_sym, *args, &block
+
+    else
+      super
+    end
+  end
+
+  def valid_user_extensions
+    if !self.extensions.valid?
+      self.extensions.errors.messages.each do |key, values|
+        values.each do |value|
+          self.errors.add key, value
+        end
+      end
+    end
+  end
+
+  def save_user_extensions
+    self.extensions.save
+  end
+  # 集中处理 User 扩展表为空的问题 < end
+  # ======================================================================
+
   #选择项目成员时显示的用户信息文字
   def userInfo
    info=self.nickname + '   (' + self.realname + ')';

app/views/my/account.html.erb

@@ -34,7 +34,6 @@
 
 <h3 style="padding-left: 10px;"><%= l(:label_my_account) %></h3>
 <%= error_messages_for 'user' %>
-<%= error_messages_for 'se' %>
 
 <fieldset class="box" style="margin:10px;">
 <fieldset class="collapsible collapsed" style="width:800px;margin-left: 10px;">