add support for user name changes

app/controllers/user_name_change_requests_controller.rb

@@ -0,0 +1,38 @@
+class UserNameChangeRequestsController < ApplicationController
+  before_filter :member_only, :only => [:new, :create, :show]
+  before_filter :admin_only, :only => [:index, :approve, :reject]
+
+  def new
+  end
+  
+  def create
+    @change_request = UserNameChangeRequest.create(
+      :user_id => CurrentUser.user.id,
+      :original_name => CurrentUser.user.name,
+      :status => "pending",
+      :change_reason => params[:reason],
+      :desired_name => params[:desired_name]
+    )
+    redirect_to user_name_change_request_path(@change_request), :notice => "Your request has been submitted and is pending admin review"
+  end
+  
+  def show
+    @change_request = UserNameChangeRequest.find(params[:id])
+  end
+  
+  def index
+    @change_requests = UserNameChangeRequest.order("id desc").paginate(params[:page])
+  end
+  
+  def approve
+    @change_request = UserNameChangeRequest.find(params[:id])
+    @change_request.approve!
+    redirect_to user_name_change_request_path(@change_request), :notice => "Name change request approved"
+  end
+  
+  def reject
+    @change_request = UserNameChangeRequest.find(params[:id])
+    @change_request.reject!(params[:reason])
+    redirect_to user_name_change_request_path(@change_request), :notice => "Name change request rejected"
+  end
+end