Added Hide::Updater to return updated pages and blog posts based on G…

…it log

lib/hide.rb

@@ -4,6 +4,7 @@
 require 'hide/site'
 require 'hide/page'
 require 'hide/indexer'
+require 'hide/updater'
 require 'hide/git'
 
 module Hide

lib/hide/page.rb

@@ -1,8 +1,6 @@
 module Hide
   class Page
 
-    attr_reader :meta
-
     def initialize(page)
       @page = page
     end

lib/hide/updater.rb

@@ -0,0 +1,35 @@
+module Hide
+  class Updater
+
+    def initialize(site, sha1, sha2)
+      @site, @sha1, @sha2 = site, sha1, sha2
+    end
+
+    def git
+      Git.new @site.path, @sha1, @sha2
+    end
+
+    def updated_pages
+      updated_pages = []
+      @site.pages.each do |page|
+        updated_paths.each { |path| updated_pages << page if page.url.include?(path) }
+      end
+      updated_pages
+    end
+
+    def updated_posts
+      updated_posts = []
+      @site.posts.each do |post|
+        updated_paths.each { |path| updated_posts << post if post.url.include?(path) }
+      end
+      updated_posts
+    end
+
+    def updated_paths
+      git.changed_files.map do |file|
+        [ File.dirname(file), File.basename(file, '.*') ].join('/')
+      end
+    end
+
+  end
+end

test/unit/updater_test.rb

@@ -0,0 +1,35 @@
+require 'test_helper'
+
+module Hide
+
+  class UpdaterTest < Test::Unit::TestCase
+
+    context "Updater" do
+
+      setup do
+        @site = Hide::Site.new path_to_test_site, :pages_directories => ['guide']
+        @updater = Updater.new @site, 'abc123', 'def456'
+      end
+
+      should "return updated paths based on sha1 and sha2" do
+        Git.any_instance.expects(:changed_files).returns( %w|blog/_posts/2011-02-08-percolator.textile guide/appendix/clients.textile| )
+        assert_equal %w|blog/_posts/2011-02-08-percolator guide/appendix/clients|, @updater.updated_paths
+      end
+
+      should "return selected pages based on updated paths" do
+        @updater.stubs(:updated_paths).returns( ['guide/reference/api/search/request-body'] )
+        assert_equal 1, @updater.updated_pages.size
+        assert_equal 'Search API - Request Body', @updater.updated_pages.first.title
+      end
+
+      should "return selected blog posts based on updated paths" do
+        @updater.stubs(:updated_paths).returns( ['blog/2010/02/08/youknowforsearch'] )
+        assert_equal 1, @updater.updated_posts.size
+        assert_equal 'You Know, for Search', @updater.updated_posts.first.title
+      end
+
+    end
+
+  end
+
+end