refactoring

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