## mark a section (Learn more)

## controller class RolesController < ApplicationController before_filter :login_required def index @roles = Role.find(:all) respond_to do |format| format.html # index.html.erb format.xml { render :xml => @roles } end end def new @role = Role.new respond_to do |format| format.html # new.html.erb format.xml { render :xml => @role } end end def create @role = Role.new(params[:role]) if @role.save redirect_to roles_url flash[:notice] = "Successfully created role." else render :action => 'new' end end def destroy @role = Role.find(params[:id]) @role.destroy respond_to do |format| format.html { redirect_to(roles_url) } format.xml { head :ok } end end end ## index view <h2>Roles</h2> <%= link_to 'Create new', new_role_path %><br /> <ul> <% for role in @roles %> <li><%= link_to role.name, role %> <%= link_to '(remove)', role, :confirm => 'Are you sure?', :method => :delete %></li> <% end %> </ul> ## new view <h1>New role</h1> <% form_for(@role) do |f| -%> <%= f.error_messages %> <p><%= f.label :name %><br/> <%= f.text_field :name %></p> <p><%= submit_tag 'Add role' %></p> <% end %> <%= link_to 'Back', roles_path %>

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