first commit

.gems

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+will_paginate

README

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+This is a simple Registration and Guestbook system, with a easy admin system after login, just built for the 3rd PTT-Flash Workshop in Taiwan. :)
+
+Eddie Kao (eddie@adcube.com.tw)

Rakefile

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+# Add your own tasks in files placed in lib/tasks ending in .rake,
+# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+
+require(File.join(File.dirname(__FILE__), 'config', 'boot'))
+
+require 'rake'
+require 'rake/testtask'
+require 'rake/rdoctask'
+
+require 'tasks/rails'

app/controllers/application_controller.rb

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+class ApplicationController < ActionController::Base
+  helper :all
+  protect_from_forgery
+
+  filter_parameter_logging :login_pw
+  helper_method :is_admin?
+  before_filter :get_current_registers
+
+  protected
+  def is_admin?
+    not session[:pttflashmanager].blank?
+  end
+
+  def render_404
+    render :file => "#{RAILS_ROOT}/public/404.html", :status => 404
+  end
+
+  def admin_required
+    render_404 unless is_admin?
+  end
+
+  private
+  def get_current_registers
+    @current_registers = Register.current_registers
+  end
+
+end

app/controllers/guestbook_controller.rb

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+class GuestbookController < ApplicationController
+
+  before_filter :admin_required, :only => [:destroy]
+
+  def index
+    @guestbooks = Guestbook.active.paginate(:order => 'id DESC', :page => params[:page], :per_page => 10)
+  end
+
+  def new
+    @guestbook = Guestbook.new
+  end
+
+  def create
+    params[:guestbook][:ip_address] = request.remote_ip
+    @guestbook = Guestbook.new params[:guestbook]
+
+    if @guestbook.save
+      flash[:notice] = '留言完成!'
+      redirect_to guestbooks_path
+    else
+      render :action => 'new'
+    end
+  end
+
+  def destroy
+    Guestbook.disable_guestbook params[:id]
+    flash[:notice] = "留言刪除"
+    redirect_to guestbooks_path
+  end
+
+end

app/controllers/main_controller.rb

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+class MainController < ApplicationController
+
+  def index
+  end
+
+  def downloads
+  end
+
+  def about
+  end
+
+  def source
+  end
+
+end

app/controllers/register_controller.rb

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+class RegisterController < ApplicationController
+
+  before_filter :admin_required, :only => [:index, :destroy]
+
+  def index
+    @registers = Register.active
+  end
+
+  def new
+    if still_available?
+      @register = Register.new
+    else
+      render :template => 'register/finish'
+    end
+  end
+
+  def create
+
+    # check available slot first
+    if Register.is_avaliable?
+
+      params[:register][:ip_address] = request.remote_ip
+      @register = Register.new(params[:register])
+
+      if @register.save
+        flash[:notice] = '報名成功，感謝您的參與!'
+        redirect_to root_path
+      else
+        render :action => 'new'
+      end
+    else
+      flash[:notice] = '抱歉! 報名已額滿!'
+      redirect_to new_registers_path
+    end
+
+  end
+
+  def destroy
+    Register.disable_register(params[:id])
+    flash[:notice] = "報名刪除成功!"
+    redirect_to registers_path
+  end
+
+  private
+  def still_available?
+    @current_registers < MaxRegister
+  end
+
+end

app/controllers/sessions_controller.rb

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+class SessionsController < ApplicationController
+
+  def new
+    @administrator = Administrator.new
+  end
+
+  def create
+    if request.post?
+
+      login_id = params[:administrator][:login_id].strip
+      login_pw = params[:administrator][:login_pw].strip
+
+      admin = Administrator.get_valid_account(login_id, login_pw)
+
+      if admin
+        flash[:notice] = "登入成功!"
+        session[:pttflashmanager] = { :login_id => admin.login_id }
+        redirect_to registers_path
+      else
+        flash[:notice] = "登入失敗"
+        redirect_to root_path
+      end
+
+    end
+  end
+
+  def destroy
+    reset_session
+    flash[:notice] = "登出成功!"
+    redirect_to root_path
+  end
+
+end

app/helpers/application_helper.rb

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+# Methods added to this helper will be available to all templates in the application.
+module ApplicationHelper
+end

app/helpers/guestbook_helper.rb

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+module GuestbookHelper
+end

app/helpers/main_helper.rb

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+module MainHelper
+  def site_name
+    "PTT Flash 閃光俱樂部"
+  end
+end

app/helpers/register_helper.rb

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+module RegisterHelper
+end

app/helpers/sessions_helper.rb

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+module SessionsHelper
+end

app/models/administrator.rb

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+class Administrator < ActiveRecord::Base
+
+  def self.get_valid_account(id, pw)
+    first(:conditions => { :login_id => id, :login_pw => pw, :is_active => true })
+  end
+
+end

app/models/guestbook.rb

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+class Guestbook < ActiveRecord::Base
+  attr_protected :is_active
+
+  # validations
+  validates_presence_of :nickname, :on => :create, :message => "can't be blank"
+  validates_presence_of :content, :on => :create, :message => "can't be blank"
+
+  # named scope
+  named_scope :active, :conditions => { :is_active => true }
+
+  def self.disable_guestbook(id)
+    find(id).update_attribute('is_active', false)
+  end
+end

app/models/register.rb

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+class Register < ActiveRecord::Base
+  attr_protected :is_active
+
+  # validations
+  validates_presence_of :nickname, :on => :create, :message => '為必填欄位'
+  validates_presence_of :email, :on => :create, :message => '為必填欄位'
+  validates_presence_of :tel, :on => :create, :message => '為必填欄位'
+  validates_format_of :email, :with => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/i, :on => :create, :message => "格式有誤"
+  validates_uniqueness_of :email, :on => :create, :message => '已經報名過了'
+
+  # named scope
+  named_scope :active, :conditions => { :is_active => true }
+
+  def self.is_avaliable?
+    current_registers < MaxRegister
+  end
+
+  def self.current_registers
+    count(:conditions => { :is_active => true })
+  end
+
+  def self.disable_register(id)
+    find(id).update_attribute('is_active', false)
+  end
+
+end

app/views/guestbook/index.html.erb

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+<% content_for :body do -%>
+	<div id="add_guestbook"><%= link_to '我要留言', new_guestbook_path %></div>
+	<h1>留言版</h1>
+	<hr />
+
+	<% if !@guestbooks.blank? %>
+	  <% for guestbook in @guestbooks %>
+	    <div class="guestbook_content">
+		<% if is_admin? -%>
+			[<%= link_to '刪除', guestbook_path(guestbook), :method => :delete, :confirm => '確認刪除?!' %>]
+		<% end -%>
+			<%=h guestbook.nickname -%>說:<br />
+	    	<%=h simple_format(guestbook.content) %> <br />
+	    </div>
+	  <% end %>
+	<% else %>
+	  目前尚無資料
+	<% end %>
+	
+	<%= will_paginate @guestbooks %>
+	
+<% end -%>

app/views/guestbook/new.html.erb

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+<% content_for :body do -%>
+	<% form_for @guestbook do |f| -%>
+	  <%= f.label :nickname, "暱稱：" %><%= f.text_field :nickname, :size => '20' %><br />
+	  <%= f.label :content, "標題：" %><%= f.text_area :content, :size => '45x5' %><br />
+	  <br /><%= submit_tag "送出", :confirm => '確認送出?!' %>
+	<% end -%>
+<% end -%>

app/views/layouts/application.html.erb

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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+<meta name="Keywords" content="第三屆PTT-Flash閃光俱樂部" />
+<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />
+<meta name="description" content="對於平常在版上出沒的神人大大們很好奇嗎? 想知道他們還有什麼特別的大絕招嗎?.."/>
+<link rel="image_src" type="image/jpeg" href="/images/facebook.png" />
+<title><%= yield :page_title or site_name %></title>
+<%= stylesheet_link_tag 'reset', 'style', :cache => true %>
+</head>
+<body>
+	<center>
+	<div id="main">
+		<%= render :partial => "shared/top", :locals => { :registers => @current_registers } %>
+		<% if flash[:notice] -%><div class="flash_notice"><%=h flash[:notice] %></div><% end -%>
+		<div class="container">
+		<%= yield :body %>
+		</div>
+		<%= render :partial => "shared/footer" -%>
+	</div>
+	</center>
+</body>
+</html>

app/views/main/about.html.erb

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+<% content_for :body do -%>
+	關於這裡
+	<hr />
+	臨時用RoR刻的一個簡單報名系統，基本上沒用到太複雜的技術，應該丟上<a href="http://heroku.com/" target="_blank">Heroku</a>就會動了，對<a href="http://github.com/kaochenlong/PTT-Flash" target="_blank">原始碼</a>有興趣的歡迎拿去用 :)<br />
+	若有任何問題，亦歡迎來信討論 <%= SiteAdminEmail %>
+<% end -%>

app/views/main/downloads.html.erb

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+<% content_for :body do -%>
+	敬請期待
+<% end -%>