remove id from permalink

README.textile

@@ -62,7 +62,7 @@ Or
 <pre><code>
 class Post < ActiveRecord::Base
   def to_param
-    permalink
+    "#{id}-#{permalink}"
   end
 end
 </code></pre>

init.rb

@@ -0,0 +1 @@
+ActiveRecord::Base.send :include, ChinesePermalink

lib/chinese_permalink.rb

@@ -30,8 +30,7 @@ def create_permalink
       end
 
       english_permalink = remove_duplicate_dash(remove_tailing_dash(remove_non_ascii(remove_space(remove_punctuation(english_permalink))))).downcase
-      permalink = id.to_s + '-' + english_permalink
-      self.update_attribute(self.class.permalink_field, permalink)
+      self.update_attribute(self.class.permalink_field, english_permalink)
     end
   end
 

test/chines_permalink_test.rb

@@ -64,50 +64,50 @@ def teardown
 
   def test_simple_chinese_title
     post = Post.create(:title => '中国人')
-    assert_equal "#{post.id}-chinese", post.permalink
+    assert_equal "chinese", post.permalink
 
     post = Post.create(:title => '我是中国人')
-    assert_equal "#{post.id}-i-am-a-chinese", post.permalink
+    assert_equal "i-am-a-chinese", post.permalink
   end
 
   def test_chinese_title_with_dash
     post = Post.create(:title => '我是中国人——上海')
-    assert_equal "#{post.id}-i-am-a-chinese-shanghai", post.permalink
+    assert_equal "i-am-a-chinese-shanghai", post.permalink
 
     post = Post.create(:title => '我是中国人──上海')
-    assert_equal "#{post.id}-i-am-a-chinese-shanghai", post.permalink
+    assert_equal "i-am-a-chinese-shanghai", post.permalink
 
     post = Post.create(:title => '上海+中国')
-    assert_equal "#{post.id}-shanghai-china", post.permalink
+    assert_equal "shanghai-china", post.permalink
 
     post = Post.create(:title => '上海/中国')
-    assert_equal "#{post.id}-shanghai-china", post.permalink
+    assert_equal "shanghai-china", post.permalink
 
     post = Post.create(:title => '“工作”')
-    assert_equal "#{post.id}-work", post.permalink
+    assert_equal "work", post.permalink
 
     post = Post.create(:title => '妈妈的礼物')
-    assert_equal "#{post.id}-moms-gift", post.permalink
+    assert_equal "moms-gift", post.permalink
 
     post = Post.create(:title => '宝洁')
-    assert_equal "#{post.id}-procter-gamble", post.permalink
+    assert_equal "procter-gamble", post.permalink
 
     post = Post.create(:title => '自我介绍')
-    assert_equal "#{post.id}-self-introduction", post.permalink
+    assert_equal "self-introduction", post.permalink
   end
 
   def test_chinese_category_and_title
     post = CategoryPost.create(:title => '我是中国人', :category => '介绍')
-    assert_equal "#{post.id}-introduction-i-am-a-chinese", post.permalink
+    assert_equal "introduction-i-am-a-chinese", post.permalink
   end
 
   def test_complicated_title_with_before_methods
     post = ComplicatedBeforePost.create(:title => 'C#语言')
-    assert_equal "#{post.id}-c-sharp-language", post.permalink
+    assert_equal "c-sharp-language", post.permalink
   end
 
   def test_complicated_title_with_after_methods
     post = ComplicatedAfterPost.create(:title => '宝洁')
-    assert_equal "#{post.id}-pg", post.permalink
+    assert_equal "pg", post.permalink
   end
 end