From 19200aff71c98d9a91d95d248b8cbc1d1ab02db3 Mon Sep 17 00:00:00 2001
From: Adrian Short <adrian.short@gmail.com>
Date: Tue, 3 Jul 2012 17:29:32 +0100
Subject: [PATCH] Tidied POI descriptions for Layar: truncate where necessary,
 strip HTML, decode HTML entities

---
 Gemfile                     |  1 +
 Gemfile.lock                |  2 ++
 app/helpers/posts_helper.rb | 11 ++++++++++-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/Gemfile b/Gemfile
index 77125fb..4c89951 100644
--- a/Gemfile
+++ b/Gemfile
@@ -41,3 +41,4 @@ gem 'bson_ext'
 gem 'haml-rails'
 gem 'mm-multi-parameter-attributes'
 gem 'feedzirra'
+gem 'htmlentities'
diff --git a/Gemfile.lock b/Gemfile.lock
index 559c3b2..88f2f6a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,6 +61,7 @@ GEM
       haml (~> 3.0)
       railties (~> 3.0)
     hike (1.2.1)
+    htmlentities (4.3.1)
     i18n (0.6.0)
     journey (1.0.4)
     jquery-rails (2.0.2)
@@ -142,6 +143,7 @@ DEPENDENCIES
   coffee-rails (~> 3.2.1)
   feedzirra
   haml-rails
+  htmlentities
   jquery-rails
   mm-multi-parameter-attributes
   mongo_mapper
diff --git a/app/helpers/posts_helper.rb b/app/helpers/posts_helper.rb
index 205a612..ea113fa 100644
--- a/app/helpers/posts_helper.rb
+++ b/app/helpers/posts_helper.rb
@@ -13,7 +13,7 @@ module PostsHelper
       },
       :text => {
         :title =>       post.title,
-        :description => post.summary,
+        :description => clean_description(post.summary),
         :footnote =>    "From #{post.feed.title}"
       },
       :actions => [
@@ -27,4 +27,13 @@ module PostsHelper
       ]
     }
   end
+  
+  def clean_description(s)
+    if s.size > 137
+      s = s[0..136] + '...'
+    end
+    
+    coder = HTMLEntities.new
+    coder.decode(s.gsub(/<.+?>/, ''))
+  end
 end