paginate posts

app/controllers/posts_controller.rb

@@ -4,7 +4,7 @@ class PostsController < ApplicationController
   # GET /posts.json
 
   def index
-    @posts = Post.all
+    @posts = Post.paginate(:page => params[:page])
     @recent_posts = Post.limit(100).order('created_at desc').all
 
     respond_to do |format|

app/views/posts/index.html.haml

@@ -1,8 +1,10 @@
 = content_for :title, "Recent #{Growstuff::Application.config.site_name} member posts"
 
-%p= link_to 'Post something', new_post_path, :class => 'btn'
+%p= link_to 'Post something', new_post_path, :class => 'btn btn-primary'
 
-%p= "Displaying #{@posts.length} posts"
+%div.pagination
+  = page_entries_info @posts, :model => "posts"
+  = will_paginate @posts
 
 - @posts.each do |post|
   = render :partial => "single", :locals => { :post => post, :subject => true }

spec/views/posts/index.html.haml_spec.rb

@@ -4,10 +4,16 @@ describe "posts/index" do
   before(:each) do
     controller.stub(:current_user) { nil }
     @author = FactoryGirl.create(:member)
-    # We use create (= build+save) to generate slugs and hence paths for posts
-    @post1 = FactoryGirl.create(:post, :author => @author)
-    @post2 = FactoryGirl.create(:post, :author => @author)
-    assign(:posts, [@post1, @post2])
+    page = 1
+    per_page = 2
+    total_entries = 2
+    posts = WillPaginate::Collection.create(page, per_page, total_entries) do |pager|
+      pager.replace([
+        FactoryGirl.create(:post, :author => @author),
+        FactoryGirl.create(:post, :author => @author)
+      ])
+    end
+    assign(:posts, posts)
     render
   end
 
@@ -18,10 +24,6 @@ describe "posts/index" do
       :text => "This is some text.".to_s, :count => 2
   end
 
-  it "counts the number of posts" do
-    rendered.should contain "Displaying 2 posts"
-  end
-
   it "contains two gravatar icons" do
     assert_select "img", :src => /gravatar\.com\/avatar/, :count => 2
   end