From 086549224d2daecd5d455b05f308ad8534632045 Mon Sep 17 00:00:00 2001
From: Mark Coates <mark.coates@gmail.com>
Date: Mon, 1 Aug 2011 12:48:57 -0400
Subject: [PATCH] Now filtering on options[:exclude] Array, removing each
 'excluded' word.

---
 lib/clortho.rb       | 13 ++++++++++++-
 test/models/post.rb  |  4 +++-
 test/test_clortho.rb |  7 +++++++
 3 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/lib/clortho.rb b/lib/clortho.rb
index 81b04f9..d2c0dac 100644
--- a/lib/clortho.rb
+++ b/lib/clortho.rb
@@ -39,13 +39,24 @@ module InstanceMethods
         def inject_default_keywords
           searchable_with_options.each do |field|
             if !self.send(field[0]).nil?
-              keywords = self.send(field[0])
+              keywords = !field[1][:exclude].nil? ? filter_on_exclusions(field, self.send(field[0])) : self.send(field[0])
               self.send("#{field[0].to_s}_keywords=".to_sym, keywords) if keywords
               self.send("#{field[0].to_s}_keywords_array=".to_sym, keywords.split) if keywords
             end
           end
         end
         
+        def filter_on_exclusions(field_and_options, keywords)
+          field, options = field_and_options
+          value = keywords
+          if options[:exclude]
+            options[:exclude].each do |exclusion|
+              value.gsub!(exclusion.to_s, '')
+            end
+          end
+          return value
+        end
+        
       end
       
     end
diff --git a/test/models/post.rb b/test/models/post.rb
index 7cfdfad..5209609 100644
--- a/test/models/post.rb
+++ b/test/models/post.rb
@@ -6,9 +6,11 @@ class Post
   key :body,    String
   key :summary, String
   key :authors, Array
+  key :about,   String
   
   searchable :summary       # works with one...
-  searchable :body, :title  # or multiple arguments
+  searchable :body, :title  # ...or multiple arguments...
+  searchable :about, :exclude => [:a, :lipsum] # or options like :exclude.
   
   LIPSUM  = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus porttitor, ipsum a commodo aliquet, 
              velit ligula porttitor eros, sit amet consequat purus massa sit amet quam. Aliquam tempus magna faucibus 
diff --git a/test/test_clortho.rb b/test/test_clortho.rb
index b37bc32..a0741e9 100644
--- a/test/test_clortho.rb
+++ b/test/test_clortho.rb
@@ -5,9 +5,11 @@ def setup
     @posts = [
     (@fridge = Post.new( title: 'Is your refrigerator running? Better catch it',
                                     body: Post::LIPSUM,
+                                    about: 'Hello a lipsum world',
                                     authors: ['Thomas Mann', 'Jim Byrd'])),
     (@colonial =    Post.new(  title: 'The Colonial: In Full Swing',
                                     body: Post::LIPSUM,
+                                    about: 'Hello a lipsum world',
                                     authors: ['Rebecca Simmons']))
                 ]
     save_posts
@@ -36,6 +38,11 @@ def setup
     assert_equal Post::LIPSUM, @fridge.body_keywords
   end
   
+  should 'have about_keywords equal to "Hello   World"' do
+    assert_equal "Hello   world", @colonial.about_keywords
+    assert_equal "Hello   world", @fridge.about_keywords
+  end
+  
   private
   def save_posts
     @posts.each{ |post| post.save }