Caching of posts

Gemfile.lock

@@ -284,7 +284,7 @@ DEPENDENCIES
   webpacker (~> 4.0)
 
 RUBY VERSION
-   ruby 2.6.4p104
+   ruby 2.6.3p62
 
 BUNDLED WITH
    2.0.2

app/views/blog/summary.html.erb

@@ -1,5 +1,5 @@
 <hr>
-<%= render @posts, short: true, blog_link: true, blog_name: true %>
+<%= render partial: @posts, cached: current_user.nil?, locals: { short: true, blog_link: true, blog_name: true } %>
 <% provide :desc, "This page is a summary of all blogs on the site." %>
 <div class="footer">
 		<ul class="pagination">

app/views/post/get.html.erb

@@ -1,17 +1,19 @@
-<% provide(:desc, truncate(
-   strip_tags(parse_markdown(@post.body)),
-   length: 150)) %>
-<%= render @post, detailed: true %>
+<% cache_if current_user.nil?, @post do %>
+  <% provide(:desc, truncate(
+     strip_tags(parse_markdown(@post.body)),
+     length: 150)) %>
+  <%= render @post, detailed: true %>
 
-<h3>Leave a comment</h3>
-<% unless current_user.nil? %>
-<%= form_for @comment, url: comment_path(post_id: @post.id) do |f| %>
-<%= f.text_area :body, style: "width: 75%; height: 10em;" %>
-<br>
-<%= f.submit "Post", class: "btn btn-sm btn-primary" %>
-<% end %>
-<% else %>
-You have to sign in to leave a comment.
-<% end %>
+  <h3>Leave a comment</h3>
+  <% unless current_user.nil? %>
+  <%= form_for @comment, url: comment_path(post_id: @post.id) do |f| %>
+  <%= f.text_area :body, style: "width: 75%; height: 10em;" %>
+  <br>
+  <%= f.submit "Post", class: "btn btn-sm btn-primary" %>
+  <% end %>
+  <% else %>
+  You have to sign in to leave a comment.
+  <% end %>
 
-<%= render @comments, reply_to: @reply_to %>
+  <%= render @comments, reply_to: @reply_to %>
+<% end %>

app/views/post/index.html.erb

@@ -1,36 +1,40 @@
-<%= content_for :head do %>
-<%= auto_discovery_link_tag :rss, blog_url(blog_name: @blog.urlName, format: :rss) %>
-<link href="/open-iconic/font/css/open-iconic.css" rel="stylesheet">
-<% end %>
+<% cache_if current_user.nil?, [@blog, @posts, @page] do %>
+  <%= content_for :head do %>
+    <%= auto_discovery_link_tag :rss, blog_url(blog_name: @blog.urlName, format: :rss) %>
+    <link href="/open-iconic/font/css/open-iconic.css" rel="stylesheet">
+  <% end %>
 
-<% provide(:desc, @blog.slogan) %>
-<a style="float: right;" href="<%= blog_url(blog_name: @blog.urlName, format: :rss) %>">
-	<span style="color: orange;" class="oi" data-glyph="rss" title="rss" aria-hidden="true"></span>
-</a>
-<br>
-<hr>
-<%= render @posts, short: true %>
+  <% provide(:desc, @blog.slogan) %>
+  <a style="float: right;" href="<%= blog_url(blog_name: @blog.urlName, format: :rss) %>">
+    <span style="color: orange;" class="oi" data-glyph="rss" title="rss" aria-hidden="true"></span>
+  </a>
+  <br>
+  <hr>
+  <% if @posts.size > 0 %>
+    <%= render partial: @posts, cached: current_user.nil?, locals: { short: true } %>
+  <% end %>
 
-<div class="footer">
-	<ul class="pagination">
-		<li class="page-item <%= @has_prev ? "" : "disabled" %>">
-			<%= link_to "<", {page: @page - 1}, {class: "page-link"} %>
-		</li>
+  <div class="footer">
+    <ul class="pagination">
+      <li class="page-item <%= @has_prev ? "" : "disabled" %>">
+        <%= link_to "<", {page: @page - 1}, {class: "page-link"} %>
+      </li>
 
-		<% (1..@page_count).to_a.each do |x| %>
-		<% if x == @page %>
-		<li class="page-item active">
-			<a class="page-link" href="#"><%= x %></a>
-		</li>
-		<% else %>
-		<li class="page-item">
-			<%= link_to(x, {page: x}, {class: "page-link"}) %>
-		</li>
-		<% end %>
-		<% end %>
+      <% (1..@page_count).to_a.each do |x| %>
+      <% if x == @page %>
+      <li class="page-item active">
+        <a class="page-link" href="#"><%= x %></a>
+      </li>
+      <% else %>
+      <li class="page-item">
+        <%= link_to(x, {page: x}, {class: "page-link"}) %>
+      </li>
+      <% end %>
+      <% end %>
 
-		<li class="page-item <%= @has_next ? "" : "disabled" %>">
-			<%= link_to ">", {page: @page + 1}, {class: "page-link"} %>
-		</li>
-	</ul>
-</div>
+      <li class="page-item <%= @has_next ? "" : "disabled" %>">
+        <%= link_to ">", {page: @page + 1}, {class: "page-link"} %>
+      </li>
+    </ul>
+  </div>
+<% end %>

config/environments/production.rb

@@ -54,7 +54,7 @@ Rails.application.configure do
   config.log_tags = [ :request_id ]
 
   # Use a different cache store in production.
-  # config.cache_store = :mem_cache_store
+  config.cache_store = :mem_cache_store
 
   config.assets.js_compressor = Uglifier.new(harmony: true)