Merge branch 'speed_up_wiki_pages' into 'master'

Speed up wiki pages page

app/controllers/projects/wikis_controller.rb

@@ -7,7 +7,7 @@ class Projects::WikisController < Projects::ApplicationController
   before_filter :load_project_wiki
 
   def pages
-    @wiki_pages = @project_wiki.pages
+    @wiki_pages = Kaminari.paginate_array(@project_wiki.pages).page(params[:page]).per(30)
   end
 
   def show

app/models/wiki_page.rb

@@ -61,12 +61,16 @@ class WikiPage
 
   # The raw content of this page.
   def content
-    @attributes[:content]
+    @attributes[:content] ||= if @page
+                                @page.raw_data
+                              end
   end
 
   # The processed/formatted content of this page.
   def formatted_content
-    @attributes[:formatted_content]
+    @attributes[:formatted_content] ||= if @page
+                                          @page.formatted_data
+                                        end
   end
 
   # The markup format for the page.
@@ -167,8 +171,6 @@ class WikiPage
   def set_attributes
     attributes[:slug] = @page.escaped_url_path
     attributes[:title] = @page.title
-    attributes[:content] = @page.raw_data
-    attributes[:formatted_content] = @page.formatted_data
     attributes[:format] = @page.format
   end
 

app/views/projects/wikis/pages.html.haml

@@ -9,3 +9,4 @@
         %small (#{wiki_page.format})
         .pull-right
           %small Last edited #{time_ago_with_tooltip(wiki_page.commit.created_at)}
+= paginate @wiki_pages, theme: 'gitlab'