View source for Ruby - form save

[[Category:RubyOnRails]]

<pre class="brush:ror;">
def create
  @article = Article.new(article_params)
  if @article.save
    flash[:notice] = "Article was successfully created"
    redirect_to article_path(@article)
  else
    render 'new'
  end
end
</pre>

Flash message code added to application.html.erb under app/views/layouts folder (right under <body> and above <%= yield %>:
<pre class="brush:ror;">

<% flash.each do |name, msg| %>
  <ul>
    <li><%= msg %></li>
  </ul>
<% end %>
</pre>
Code added to display errors in the new.html.erb template under app/views/articles folder:
<pre class="brush:ror;">
<% if @article.errors.any? %>
  <h2>The following errors prevented the article from getting created</h2>
  <ul>
  <% @article.errors.full_messages.each do |msg| %>
    <li><%= msg %></li>
  <% end %>
  </ul>
<% end %>
</pre>
To create the show action, add the following show method to articles_controller.rb file:
<pre class="brush:ror;">
def show
  @article = Article.find(params[:id])
end
</pre>
To create the show view, add a show.html.erb file under the app/views/articles folder and fill in the code:
<pre class="brush:ror;">
<h1>Showing selected article</h1>
<p>
Title: <%= @article.title %>
</p>
<p>
Description: <%= @article.description %>
</p>
</pre>