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POPretty (dated) RESTful URLs in Rails
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  1. POPretty (dated) RESTful URLs in Rails
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    copied!<p>I'd like my website to have URLs looking like this:</p> <pre><code>example.com/2010/02/my-first-post </code></pre> <p>I have my <code>Post</code> model with <code>slug</code> field ('my-first-post') and <code>published_on</code> field (from which we will deduct the year and month parts in the url).</p> <p>I want my <code>Post</code> model to be RESTful, so things like <code>url_for(@post)</code> work like they should, ie: it should generate the aforementioned url.</p> <p>Is there a way to do this? I know you need to override <code>to_param</code> and have <code>map.resources :posts</code> with <code>:requirements</code> option set, but I cannot get it all to work.</p> <hr> <p>I have it almost done, I'm 90% there. Using <a href="http://github.com/stengland/resource-hacks-plugin" rel="noreferrer">resource_hacks plugin</a> I can achieve this:</p> <pre><code>map.resources :posts, :member_path =&gt; '/:year/:month/:slug', :member_path_requirements =&gt; {:year =&gt; /[\d]{4}/, :month =&gt; /[\d]{2}/, :slug =&gt; /[a-z0-9\-]+/} rake routes (...) post GET /:year/:month/:slug(.:format) {:controller=&gt;"posts", :action=&gt;"show"} </code></pre> <p>and in the view:</p> <pre><code>&lt;%= link_to 'post', post_path(:slug =&gt; @post.slug, :year =&gt; '2010', :month =&gt; '02') %&gt; </code></pre> <p>generates proper <code>example.com/2010/02/my-first-post</code> link.</p> <p>I would like this to work too:</p> <pre><code>&lt;%= link_to 'post', post_path(@post) %&gt; </code></pre> <p>But it needs overriding the <code>to_param</code> method in the model. Should be fairly easy, except for the fact, that <code>to_param</code> must return <code>String</code>, not <code>Hash</code> as I'd like it.</p> <pre><code>class Post &lt; ActiveRecord::Base def to_param {:slug =&gt; 'my-first-post', :year =&gt; '2010', :month =&gt; '02'} end end </code></pre> <p>Results in <code>can't convert Hash into String</code> error.</p> <p>This seems to be ignored:</p> <pre><code>def to_param '2010/02/my-first-post' end </code></pre> <p>as it results in error: <code>post_url failed to generate from {:action=&gt;"show", :year=&gt;#&lt;Post id: 1, title: (...)</code> (it wrongly assigns @post object to the :year key). I'm kind of clueless at how to hack it.</p>
 

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