fixes #2245

app/presenters/post_set_presenters/pool_gallery.rb

@@ -0,0 +1,28 @@
+module PostSetPresenters
+  class PoolGallery < Base
+    attr_accessor :post_set
+    delegate :pools, :to => :post_set
+
+    def initialize(post_set)
+      @post_set = post_set
+    end
+
+    def post_previews_html(template, options = {})
+      html = ""
+
+      if pools.empty?
+        return template.render("post_sets/blank")
+      end
+
+      pools.each do |pool|
+        if pool.cover_post_id
+          post = ::Post.find(pool.cover_post_id)
+          html << PostPresenter.preview(post, options.merge(:tags => @post_set.tag_string, :raw => @post_set.raw, :pool => pool))
+          html << "\n"
+        end
+      end
+
+      html.html_safe
+    end
+  end
+end