Merge branch 'revans'

dm-types/lib/dm-types.rb

@@ -17,6 +17,7 @@
 require dir / 'yaml'
 require dir / 'serial'
 require dir / 'regexp'
+require dir / 'permalink'
 
 # this looks a little ugly, but everyone who uses dm-types shouldn't have to have ruby-bcrypt installed
 module DataMapper

dm-types/lib/dm-types/permalink.rb

@@ -0,0 +1,26 @@
+require 'iconv'
+
+module DataMapper
+  module Types
+    class Permalink < DataMapper::Type
+      primitive String
+      size 65535
+
+      def self.load(value, property)
+        if value.nil?
+          nil
+        elsif value.is_a?(String)
+          Iconv.new('UTF-8//TRANSLIT//IGNORE', 'UTF-8').iconv(value.gsub(/[^\w\s\-\—]/,'').gsub(/[^\w]|[\_]/,' ').split.join('-').downcase)
+        else
+          raise ArgumentError.new("+value+ must be nil or a String")
+        end
+      end
+
+      def self.dump(value, property)
+        return nil if value.nil?
+        value.to_s
+      end
+
+    end # class Permalink
+  end # module Types
+end # module DataMapper

dm-types/spec/integration/permalink_spec.rb

@@ -0,0 +1,31 @@
+require 'pathname'
+require 'iconv'
+require Pathname(__FILE__).dirname.parent.expand_path + 'spec_helper'
+
+describe DataMapper::Types::Permalink do
+
+  before(:all) do
+    class PermalinkTest
+      include DataMapper::Resource
+
+      property :id, Serial
+      property :name, Permalink
+
+    end
+    PermalinkTest.auto_migrate!
+  end
+
+  it "should create the permalink" do
+    repository(:default) do
+      PermalinkTest.create(:name => 'New DataMapper Type')
+    end
+
+    PermalinkTest.first.name.should == create_permalink("New DataMapper Type")
+  end
+
+
+  def create_permalink(word)
+    Iconv.new('UTF-8//TRANSLIT//IGNORE', 'UTF-8').iconv(word.gsub(/[^\w\s\-\—]/,'').gsub(/[^\w]|[\_]/,' ').split.join('-').downcase)
+  end
+
+end