Add Fragment Cache for article show page

app/views/articles/_article.html.haml

@@ -1,16 +1,7 @@
 - cache article do
   %article.article
-    %header.clearfix
-      %h3.article_title
-        = link_to article.title, article_url(article)
-      %span.created_at<
-        = t 'post_at'
-        = article.created_at.in_time_zone(+8.hours).strftime('%D %T')
-      - if article.tags.any?
-        .tags
-          %span= t 'tags'
-          %ul.unstyled
-            = render partial: 'tags/tag', collection: article.tags
-      %span.operation.admin
-        = link_to t('edit'), edit_article_path(article)
-        = link_to t('destroy'), article, data: { confirm: 'Are you sure?' }, :method => :delete
+    = render partial: 'article_header', object: article, as: :article
+    .article_content
+      ~ format_text @article.content
+
+

app/views/articles/_article_header.html.haml

@@ -0,0 +1,15 @@
+- cache [article, :header] do
+  %header.clearfix
+    %h3.article_title
+      = link_to article.title, article_url(article)
+    %span.created_at<
+      = t 'post_at'
+      = article.created_at.in_time_zone(+8.hours).strftime('%D %T')
+    - if article.tags.any?
+      .tags
+        %span= t 'tags'
+        %ul.unstyled
+          = render partial: 'tags/tag', collection: article.tags
+    %span.operation.admin
+      = link_to t('edit'), edit_article_path(article)
+      = link_to t('destroy'), article, data: { confirm: 'Are you sure?' }, :method => :delete

app/views/articles/_article_summary.html.haml

@@ -0,0 +1,3 @@
+- cache [article, :summary] do
+  %article.article
+    = render partial: 'article_header', object: article, as: :article

app/views/articles/index.html.haml

@@ -8,5 +8,5 @@
   .top_operation= link_to t('new_article'), new_article_path
 
 - if @articles
-  = render @articles
+  = render partial: 'article_summary', collection: @articles, as: :article
   = will_paginate @articles

app/views/articles/show.html.haml

@@ -1,21 +1,2 @@
-%article.article
-  %header
-    %h3.article_title= @article.title
-    %span.created_at
-      = t 'post_at'
-      = @article.created_at.in_time_zone(+8.hours).strftime('%D %T')
-    - if @article.tags.any?
-      %span.tags
-        = t 'tags'
-        - @article.tags.each do |tag|
-          = link_to tagging_path(tag) do
-            %span.label #{tag.name}
-    -if logged_in? && current_user.admin?
-      %span.operation
-        = link_to t('edit'), edit_article_path(@article)
-        = link_to t('destroy'), @article, data: { confirm: 'Are you sure?' }, :method => :delete
-
-  .article_content
-    ~ format_text @article.content
-
+= render @article
 = render :partial => 'layouts/disque'