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PORails - routing when nesting with rails - beginner
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  1. PORails - routing when nesting with rails - beginner
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    copied!<p>I am relatively new to programming and to rails so please be indulgent:) </p> <p>I am building a website for myself which contains a blog. I have two models that are nested and I do not seem to understand how to use REST to perform certain actions on my articles and comments. </p> <p>When I create a comment if the comment doesn't pass validation I want it to render the page again so that the user can correct his mistakes and resubmit the comment. When I try to render, it gives me a missing template error.</p> <p>Here is the code:</p> <p>You can also find this code on github --> <a href="https://github.com/MariusLucianPop/mariuslp-" rel="nofollow">https://github.com/MariusLucianPop/mariuslp-</a></p> <p><strong>routes.rb</strong> </p> <pre><code>Mariuslp::Application.routes.draw do get "categories/new" root :to =&gt; "static_pages#index" match "login" =&gt; "visitors#login" # not rest match "logout" =&gt;"visitors#logout" # not rest match "comment" =&gt; "articles#show" resources :articles do resources :comments end resources :tags, :taggings, :visitors, :categories, :comments end </code></pre> <p><strong>articles_controller.rb</strong></p> <pre><code>def show @article = Article.find(params[:id]) @comment = @article.comments.new end </code></pre> <p><strong>comments_controller.rb</strong></p> <pre><code>def create article_id = params[:comment].delete(:article_id) @comment = Comment.new(params[:comment]) @comment.article_id = article_id if @comment.save redirect_to article_path(@comment.article_id) else render article_path(@comment.article_id,@comment) ## This one doesn't work end end def new @comment = Comment.new end def destroy Comment.find(params[:id]).destroy redirect_to articles_path() end </code></pre> <p>Views-articles: <strong>_comment.html.erb</strong></p> <pre><code>&lt;div class="comment"&gt; &lt;%= comment.body %&gt;&lt;br /&gt; &lt;%= link_to "Delete Comment", article_comment_path(@article), :method =&gt; :delete, :confirm =&gt; "Are you sure you want to delete this comment?" %&gt; &lt;/div&gt; </code></pre> <p><strong>_comment_form.html.erb</strong></p> <pre><code>&lt;%= form_for @comment do |f|%&gt; &lt;%= f.hidden_field :article_id%&gt; &lt;%= f.label :body %&gt;&lt;br /&gt; &lt;%= f.text_area :body, :cols =&gt; 50, :rows =&gt; 6 %&gt;&lt;br /&gt; &lt;%= f.submit%&gt; &lt;%end%&gt; </code></pre> <p><strong>show.html.erb</strong></p> <pre><code>&lt;p&gt;&lt;%= link_to "&lt;&lt; Back to Articles", articles_path%&gt;&lt;/p&gt; &lt;div class = "article_show"&gt; &lt;%= label_tag :category_id %&gt; &lt;%= @article.category_id%&gt; &lt;br /&gt; &lt;%= label_tag :title%&gt;: &lt;%= @article.title%&gt; &lt;br /&gt; &lt;%= label_tag :body%&gt;: &lt;%= @article.body%&gt; &lt;br /&gt; &lt;%= label_tag :tag_list%&gt;: &lt;%= @article.tag_list%&gt;&lt;br /&gt; &lt;/div&gt; &lt;br /&gt; &lt;% if session[:username]== "marius"%&gt; &lt;div class ="admin"&gt; &lt;%= link_to "Edit", edit_article_path(@article)%&gt; &lt;%= link_to "Delete", article_path(@article), :method =&gt; :delete, :confirm =&gt; "Are you sure you want to delete this article ?"%&gt; &lt;/div&gt; &lt;%end%&gt; &lt;br /&gt; &lt;%= render :partial =&gt; 'comment', :collection =&gt; @article.comments %&gt; &lt;%= render :partial =&gt; 'comment_form'%&gt; </code></pre>
 

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