_feed.html.erb

<% if @feed_item.any? %>
  <ol class="posts">
    <%= render partial: 'shared/feed_item', collection: @feed_item, as: :my_item %>
  </ol>
  <%= will_paginate @feed_item %>
<% end %>

_feed_item.html.erb

<li id="<%= my_item.id %>">
  	<span class="user">
    	<%= link_to my_item.user.name, my_item.user %>
  	</span>
  	<span class="content"><%= my_item.content %></span>
  	<span class="timestamp">
    	Posted <%= time_ago_in_words(my_item.created_at) %> ago.
  	</span>
</li>

home.html.erb

<% if signed_in? %>

<%= render 'shared/feed'%>

<% else %>

<%= render 'shared/feed'%>

<% end %>

static controller

def home
    if signed_in?
      @post = current_user.posts.build if signed_in?
      @user_items = current_user.feed.paginate(page: params[:page], :per_page => 12) if signed_in? 
    else
      @all_items = Post.all.paginate(page: params[:page], :per_page => 5)
    end
 end