refactoring

app/presenters/post_set_presenters/favorite.rb

@@ -0,0 +1,33 @@
+module PostSetPresenters
+  class Favorite
+    attr_accessor :favorite_set, :tag_set_presenter
+    delegate :favorites, :posts, :to => :favorite_set
+
+    def initialize(favorite_set)
+      @favorite_set = favorite_set
+      @tag_set_presenter = TagSetPresenter.new(
+        RelatedTagCalculator.calculate_from_sample_to_array(
+          favorite_set.tag_string
+        ).map {|x| x[0]}
+      )
+    end
+    
+    def tag_list_html(template)
+      tag_set_presenter.tag_list_html(template)
+    end
+
+    def post_previews_html(template)
+      html = ""
+
+      if favorites.empty?
+        return template.render(:partial => "post_sets/blank")
+      end
+
+      favorites.each do |favorite|
+        html << PostPresenter.preview(favorite.post)
+      end
+
+      html.html_safe
+    end
+  end
+end

app/presenters/post_set_presenters/post.rb

@@ -0,0 +1,36 @@
+module PostSetPresenters
+  class Post
+    attr_accessor :post_set, :tag_set_presenter
+
+    def initialize(post_set)
+      @post_set = post_set
+      @tag_set_presenter = TagSetPresenter.new(
+        RelatedTagCalculator.calculate_from_sample_to_array(
+          post_set.tag_string
+        ).map {|x| x[0]}
+      )
+    end
+
+    def posts
+      post_set.posts
+    end
+
+    def tag_list_html(template)
+      tag_set_presenter.tag_list_html(template)
+    end
+
+    def post_previews_html(template)
+      html = ""
+
+      if posts.empty?
+        return template.render(:partial => "post_sets/blank")
+      end
+
+      posts.each do |post|
+        html << PostPresenter.preview(post)
+      end
+
+      html.html_safe
+    end
+  end
+end