label added, index modified

app/controllers/admin/posts_controller.rb

@@ -32,7 +32,7 @@ class Admin::PostsController < ApplicationController
     md = Redcarpet::Markdown.new(rd, :autolink=>true)
     render :text => md.render(text)
   end
-
+  
   def post_params
     params.require(:post).permit(:title, :content, :type)
   end

app/models/label.rb

@@ -0,0 +1,10 @@
+class Label
+  include Mongoid::Document
+  include Mongoid::Timestamps
+
+  field :type, :type => String
+
+  has_and_belongs_to_many :post
+
+  validates :type, presence: true
+end

app/models/post.rb

@@ -10,9 +10,10 @@ class Post
   field :content, :type => String
   field :type, :type=> String
   field :visited_count, :type=>Integer, :default=>0
-  
+
   has_many :comments
-  
+  has_and_belongs_to_many :labels
+
   validates :title, :presence=>true, :uniqueness=> true
   validates :content, :presence=>true, :length => { :minimum=> 30 }
   validates :type, :presence=>true, :inclusion => { :in => [ TECH, LIFE, CREATOR ] }
@@ -28,4 +29,11 @@ class Post
     self.save
     self.visited_count
   end
+
+  def sub_content
+    rd = Redcarpet::Render::HTML.new(:hard_wrap=>true)
+    md = Redcarpet::Markdown.new(rd, :autolink=>true)
+    sub_cont = md.render(self.content)
+    HTML_Truncator.truncate(sub_cont,100)
+  end
 end

app/views/blogs/index.html.slim

@@ -6,32 +6,21 @@
       span #{@newest.type}
     p.ptag
       | 标签:
-      span 生活, 感悟
+      span #{@newest.labels.collect{ |label| label.name}.join(', ')}
     .content
-      p 没错, 科学只是哲学的一个部分, 所以此书给我最大的收获是, 科学只是一种实用主义. 只是这种实用主义更纯粹些:
-      p
-        |  1. 任何公理都值得怀疑
-        |  2. 能够验证与重复
+      == @newest.sub_content
 
-      p 瞧, 第 2 点的感觉就是说, 太阳一直东方升起, 这就是科学, 因为我们一直在重复这个结论. 但是, 我们知道, 1000万年后, 我们可能就再也看不到太阳了, 所以这个结论还需要修正. 这就是科学的本质.
-
-      p  再举个历史的例子: 
-
-      p
-        |  1. 地球是平的
-        |  2. 地球是圆的
-        |  3. 地球是椭圆的
-      p.read-more 阅读全文 >>
+      = link_to "阅读全文 >>", blog_path(@newest)
       p.published-at 发表于 2014-2-12
 
     h4.recent-title RECENT
     ul.recent-content
-      li 你是我的朋友 
-      li 该更新装备了
+      - @recent.each do |re|
+        li = link_to "#{re.title}",blog_path(re)
   .large-3.columns.large-offset-1
     h4 WELCOME
     hr
-    p 我是李亚飞, WinDy 是我的网名, 又名风一样的男子.
+    p 我是李亚飞, WinDy 是我的网名.
 
     h4 ABOUTME
     hr

spec/controllers/blogs_controller_spec.rb

@@ -41,4 +41,24 @@ describe BlogsController do
     assigns[:comments][1].email.should == 'liuzhen@.com'
   end
 
+  it 'test show method' do
+    post = Post.new(title: 'a123', content: '123'*20, type: Post::TECH)
+    post.save!
+    a = Comment.new(name: '1',content: '2432423',email: '22@.com')
+    a.post = post
+    a.save!
+    b = Comment.new(name: '2',content: 'iloveyou',email: 'liuzhen@.com')
+    b.post = post
+    b.save!
+    label = Label.new(type: '生活')
+    post.labels << label
+    post.save!
+    get :show, id: post.id
+    assigns[:comments][0].name.should == '1'
+    assigns[:comments][0].content.should == '2432423'
+    assigns[:comments][0].email.should == '22@.com'
+    assigns[:comments][1].name.should == '2'
+    assigns[:comments][1].content.should == 'iloveyou'
+    assigns[:comments][1].email.should == 'liuzhen@.com'
+  end
 end

spec/models/label_spec.rb

@@ -0,0 +1,5 @@
+require 'spec_helper'
+
+describe Label do
+ 
+end