hogihung

<h1><%= @topic.name %></h1>

<% if policy(@topic).update? %>
  <%= link_to "Edit Topic", edit_topic_path, class: 'btn btn-success' %>
<% end %>

<div class="row">
  <div class="col-md-8">
    <p class="lead"><%= @topic.description %></p>
    <% @posts.each do |post| %>

hogihung

<h1><%= markdown @post.title %></h1>
<div class="row">
  <div class="col-md-8">
    <small>
      <%= image_tag(@post.user.avatar.tiny.url) if @post.user.avatar? %>
      submitted <%= time_ago_in_words(@post.created_at) %> ago by
      <%= @post.user.name %>
    </small>
    <p><%= markdown @post.body %></p>
    <%= image_tag(@post.image) if @post.image? %>

hogihung

class Array

  def new_map
    a = []
    self.each do |item|
      a << yield(item)
    end
    a
  end