From 294625f25159a31ef891637d4fbf6aa55e515c3d Mon Sep 17 00:00:00 2001
From: Gibheer <gibheer@gmail.com>
Date: Tue, 29 Oct 2013 20:39:47 +0100
Subject: [PATCH] add pagination to the page

---
 controller/post.rb              | 11 +++++++++--
 templates/posts/index.html.slim | 10 ++++++++++
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/controller/post.rb b/controller/post.rb
index 90bd815..39c0100 100644
--- a/controller/post.rb
+++ b/controller/post.rb
@@ -6,8 +6,15 @@ module Routes
     end
 
     def self.define_posts(session)
-      page     = (session.request.params['page'] || 0).to_i
-      per_page = (session.request.params['per_page'] || 10).to_i
+      # compute pages
+      page = session.request.params['page'].to_i
+      session.options[:page] = page if page
+      per_page = session.request.params['per_page'].to_i
+      per_page = 10 if per_page == 0
+      session.options[:per_page] = per_page if per_page
+      session.options[:pages] = DB[:posts].filter(:released => true).count / per_page
+
+      # fetch the posts to show
       posts = DB[:posts].
         filter(:released => true).
         select(:posts__id___post_id, :written, :title, :content, :username).
diff --git a/templates/posts/index.html.slim b/templates/posts/index.html.slim
index 5241c70..810299d 100644
--- a/templates/posts/index.html.slim
+++ b/templates/posts/index.html.slim
@@ -1,3 +1,8 @@
+- if 0 < fetch(:page)
+  a.page.up(
+    href="/post?page=#{fetch(:page) - 1}&per_page=#{fetch(:per_page)}"
+    ) show newer
+
 - for post in fetch(:posts)
   article
     header
@@ -8,3 +13,8 @@
       .date=  post[:written].strftime('%Y-%m-%d')
       .time=  post[:written].strftime('%H-%M')
     section==Kramdown::Document.new(post[:content]).to_html
+
+- if fetch(:page) < fetch(:pages)
+  a.page.down(
+    href="/post?page=#{fetch(:page) + 1}&per_page=#{fetch(:per_page)}"
+    ) show older