admin_controller.rb

来自「ruby on rails web敏捷开发之路第二版 源代码」· RB 代码 · 共 57 行

#---
# Excerpted from "Agile Web Development with Rails, 2nd Ed."
# We make no guarantees that this code is fit for any purpose. 
# Visit http://www.pragmaticprogrammer.com/titles/rails2 for more book information.
#---
class AdminController < ApplicationController
  def index
    list
    render :action => 'list'
  end

  # GETs should be safe (see http://www.w3.org/2001/tag/doc/whenToUseGet.html)
  verify :method => :post, :only => [ :destroy, :create, :update ],
         :redirect_to => { :action => :list }

  def list
    @dave_pages, @daves = paginate :daves, :per_page => 10
  end

  def show
    @dave = Dave.find(params[:id])
  end

  def new
    @dave = Dave.new
  end

  def create
    @dave = Dave.new(params[:dave])
    if @dave.save
      flash[:notice] = 'Dave was successfully created.'
      redirect_to :action => 'list'
    else
      render :action => 'new'
    end
  end

  def edit
    @dave = Dave.find(params[:id])
  end

  def update
    @dave = Dave.find(params[:id])
    if @dave.update_attributes(params[:dave])
      flash[:notice] = 'Dave was successfully updated.'
      redirect_to :action => 'show', :id => @dave
    else
      render :action => 'edit'
    end
  end

  def destroy
    Dave.find(params[:id]).destroy
    redirect_to :action => 'list'
  end
end