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<channel>
	<title>ArthurGeek.net &#187; patch</title>
	<atom:link href="http://www.arthurgeek.net/tag/patch/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.arthurgeek.net</link>
	<description>Rails, Mac... e Rock'n Roll!</description>
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			<item>
		<title>Edge migrations mais sexy</title>
		<link>http://www.arthurgeek.net/edge-migrations-mais-sexy/</link>
		<comments>http://www.arthurgeek.net/edge-migrations-mais-sexy/#comments</comments>
		<pubDate>Thu, 04 Oct 2007 13:51:00 +0000</pubDate>
		<dc:creator>ArthurGeek</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[edge]]></category>
		<category><![CDATA[migrations]]></category>
		<category><![CDATA[patch]]></category>
		<category><![CDATA[rails]]></category>

		<guid isPermaLink="false">http://www.arthurgeek.net/2007/10/19/edge-migrations-mais-sexy</guid>
		<description><![CDATA[Um plugin que eu costumava usar muito era o Sexy Migrations. Era, pois uma sintaxe inspirada nele foi adicionado ao Rails Edge.
Agora que estou usando o Edge em alguns projetos meus, sinto falta do foreign_key (ou simplesmente fkey) que usava no Sexy Migrations e não está presente no Edge. Por isso, criei um patch que [...]]]></description>
			<content:encoded><![CDATA[<p>Um plugin que eu costumava usar muito era o <a href="http://errtheblog.com/post/2381">Sexy Migrations</a>. Era, pois uma sintaxe inspirada nele foi <a href="http://dev.rubyonrails.org/changeset/6667">adicionado ao Rails Edge</a>.</p>
<p>Agora que estou usando o Edge em alguns projetos meus, sinto falta do foreign_key (ou simplesmente fkey) que usava no Sexy Migrations e não está presente no Edge. Por isso, <a href="http://dev.rubyonrails.org/ticket/9775">criei um patch</a> que adiciona o suporte à foreign_key na sintaxe das migrations.</p>
<p>Então, onde você escrevia (com o Edge):</p>
<pre class="rails"><code>create_table <span class="re3">:user</span> <span class="kw1">do</span> |t|
    t.<span class="me1">integer</span> <span class="re3">:country_id</span>
    <span class="br0">[</span>....<span class="br0">]</span>
<span class="kw1">end</span></code></pre>
<p>Poderá escrever assim:</p>
<pre class="rails"><code>create_table <span class="re3">:user</span> <span class="kw1">do</span> |t|
    t.<span class="me1">foreign_key</span> <span class="re3">:country</span>
    <span class="br0">[</span>....<span class="br0">]</span>
<span class="kw1">end</span></code></pre>
<p>É uma mudança sutil, porém, útil.</p>
<p>Para ele fazer parte do Rails 2.0 é preciso que pelo menos 3 pessoas testem-no e comentem com um simples +1, de acordo com <a href="http://weblog.rubyonrails.org/2007/9/15/how-to-get-a-patch-into-rails">as novas regras</a> para que um patch seja aceito no Rails.</p>
<p>Se você gostou da idéia, dê uma passadinha lá no <a href="http://dev.rubyonrails.org/ticket/9775">ticket</a>, aplique o patch e vote. :)</p>
<p><strong>Update</strong>: O Patch <a href="http://dev.rubyonrails.org/changeset/7973">agora faz parte do Rails 2.0</a>. Com algumas modificações e novas funcionalidades.</p>
<p>Para começar, “t.foreign_key” virou “t.references” com alias para “t.belongs_to&#8221;. E foi adicionado também uma opção &#8220;: polymorphic =&gt; true” que cria a coluna com _type no final.</p>
<p>Finalizando, se antes você escrevia assim (com o Rails Edge):</p>
<pre class="rails"><code>create_table <span class="re3">:taggings</span> <span class="kw1">do</span> |t|
  t.<span class="me1">integer</span> <span class="re3">:tag_id</span>, <span class="re3">:tagger_id</span>, <span class="re3">:taggable_id</span>
  t.<span class="me1">string</span>  <span class="re3">:tagger_type</span>
  t.<span class="me1">string</span>  <span class="re3">:taggable_type</span>, <span class="re3">:default</span> =&gt; <span class="st0">'Photo'</span>
<span class="kw1">end</span></code></pre>
<p>Agora passa a escrever assim:</p>
<pre class="rails"><code>create_table <span class="re3">:taggings</span> <span class="kw1">do</span> |t|
  t.<span class="me1">references</span> <span class="re3">:tag</span>
  t.<span class="me1">references</span> <span class="re3">:tagger</span>, <span class="re3">:polymorphic</span> =&gt; <span class="kw2">true</span>
  t.<span class="me1">references</span> <span class="re3">:taggable</span>, <span class="re3">:polymorphic</span> =&gt; <span class="br0">{</span> <span class="re3">:default</span> =&gt; <span class="st0">'Photo'</span> <span class="br0">}</span>
<span class="kw1">end</span></code></pre>
]]></content:encoded>
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		</item>
		<item>
		<title>Cansado daquele &quot;;&quot; horrível em sua url?</title>
		<link>http://www.arthurgeek.net/cansado-daquele-ponto-e-virgula-horrivel-em-sua-url/</link>
		<comments>http://www.arthurgeek.net/cansado-daquele-ponto-e-virgula-horrivel-em-sua-url/#comments</comments>
		<pubDate>Wed, 06 Jun 2007 18:02:00 +0000</pubDate>
		<dc:creator>ArthurGeek</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[patch]]></category>
		<category><![CDATA[rails]]></category>
		<category><![CDATA[rest]]></category>

		<guid isPermaLink="false">http://www.arthurgeek.net/2007/06/21/cansado-daquele-ponto-e-virgula-horrivel-em-sua-url</guid>
		<description><![CDATA[Uma das coisas que eu mais gosto no Rails, é o rewriting das URLs, nada de ficar usando: dispatch.cgi?controller=people&#38;action=edit&#38;id=1, é simplesmente: /people/edit/1. É algo simples, é algo besta, mas vamos concordar, é muito mais fácil de lembrar e muito mais bonito. não? Porém, com o Rails 1.2 e o suporte à REST eu reclamo toda [...]]]></description>
			<content:encoded><![CDATA[<p>Uma das coisas que eu mais gosto no Rails, é o rewriting das URLs, nada de ficar usando: dispatch.cgi?controller=people&#38;action=edit&#38;id=1, é simplesmente: /people/edit/1. É algo simples, é algo besta, mas vamos concordar, é muito mais fácil de lembrar e muito mais bonito. não? Porém, com o Rails 1.2 e o suporte à <a href="http://pt.wikipedia.org/wiki/REST"><span class="caps">REST</span></a> eu reclamo toda vez que olho para URLs assim:</p>
<pre><code>/people/1;edit
/orders;recent</code></pre>
<p>Que coisa feia esse &#8221;;&#8221;!</p>
<p>Ainda bem que o Rails 2.0 <a href="http://dev.rubyonrails.org/changeset/6485">voltará a usar</a> a boa, velha e bonita &#8221;/&#8221;! :)</p>
<p>Acompanhe como usar este recurso nos seus projetos sem precisar esperar pelo Rails 2.0!</p>
<p>            <span id="more-66"></span></p>
<h3>O patch</h3>
<p>Crie um arquivo chamado <em>fix_resource_routing</em> em /lib com o seguinte conteúdo:</p>
<pre class="rails"><code><span class="kw1">module</span> ActionController
  <span class="kw1">module</span> Resources
    private
    <span class="kw1">def</span> map_collection_actions<span class="br0">&#40;</span>map, resource<span class="br0">&#41;</span>
      resource.<span class="me1">collection_methods</span>.<span class="kw5">each</span> <span class="kw1">do</span> |method, actions|
        actions.<span class="kw5">each</span> <span class="kw1">do</span> |action|
          action_options = action_options_for<span class="br0">&#40;</span>action, resource, method<span class="br0">&#41;</span>
          map.<span class="me1">named_route</span><span class="br0">&#40;</span><span class="st0">&quot;#{resource.name_prefix}#{action}_#{resource.plural}&quot;</span>, <span class="st0">&quot;#{resource.path}/#{action}&quot;</span>, action_options<span class="br0">&#41;</span>
          map.<span class="me1">named_route</span><span class="br0">&#40;</span><span class="st0">&quot;formatted_#{resource.name_prefix}#{action}_#{resource.plural}&quot;</span>, <span class="st0">&quot;#{resource.path}/#{action}.:format&quot;</span>, action_options<span class="br0">&#41;</span>
        <span class="kw1">end</span>
      <span class="kw1">end</span>
    <span class="kw1">end</span>
&nbsp;
    <span class="kw1">def</span> map_new_actions<span class="br0">&#40;</span>map, resource<span class="br0">&#41;</span>
      resource.<span class="me1">new_methods</span>.<span class="kw5">each</span> <span class="kw1">do</span> |method, actions|
        actions.<span class="kw5">each</span> <span class="kw1">do</span> |action|
          action_options = action_options_for<span class="br0">&#40;</span>action, resource, method<span class="br0">&#41;</span>
          <span class="kw1">if</span> action == <span class="re3">:new</span>
            map.<span class="me1">named_route</span><span class="br0">&#40;</span><span class="st0">&quot;#{resource.name_prefix}new_#{resource.singular}&quot;</span>, resource.<span class="me1">new_path</span>, action_options<span class="br0">&#41;</span>
            map.<span class="me1">named_route</span><span class="br0">&#40;</span><span class="st0">&quot;formatted_#{resource.name_prefix}new_#{resource.singular}&quot;</span>, <span class="st0">&quot;#{resource.new_path}.:format&quot;</span>, action_options<span class="br0">&#41;</span>
          <span class="kw1">else</span>
            map.<span class="me1">named_route</span><span class="br0">&#40;</span><span class="st0">&quot;#{resource.name_prefix}#{action}_new_#{resource.singular}&quot;</span>, <span class="st0">&quot;#{resource.new_path}/#{action}&quot;</span>, action_options<span class="br0">&#41;</span>
            map.<span class="me1">named_route</span><span class="br0">&#40;</span><span class="st0">&quot;formatted_#{resource.name_prefix}#{action}_new_#{resource.singular}&quot;</span>, <span class="st0">&quot;#{resource.new_path}/#{action}.:format&quot;</span>, action_options<span class="br0">&#41;</span>
          <span class="kw1">end</span>
        <span class="kw1">end</span>
      <span class="kw1">end</span>
    <span class="kw1">end</span>
&nbsp;
    <span class="kw1">def</span> map_member_actions<span class="br0">&#40;</span>map, resource<span class="br0">&#41;</span>
      resource.<span class="me1">member_methods</span>.<span class="kw5">each</span> <span class="kw1">do</span> |method, actions|
        actions.<span class="kw5">each</span> <span class="kw1">do</span> |action|
          action_options = action_options_for<span class="br0">&#40;</span>action, resource, method<span class="br0">&#41;</span>
          map.<span class="me1">named_route</span><span class="br0">&#40;</span><span class="st0">&quot;#{resource.name_prefix}#{action}_#{resource.singular}&quot;</span>, <span class="st0">&quot;#{resource.member_path}/#{action}&quot;</span>, action_options<span class="br0">&#41;</span>
          map.<span class="me1">named_route</span><span class="br0">&#40;</span><span class="st0">&quot;formatted_#{resource.name_prefix}#{action}_#{resource.singular}&quot;</span>, <span class="st0">&quot;#{resource.member_path}/#{action}.:format&quot;</span>,action_options<span class="br0">&#41;</span>
        <span class="kw1">end</span>
      <span class="kw1">end</span>
&nbsp;
      show_action_options = action_options_for<span class="br0">&#40;</span><span class="st0">&quot;show&quot;</span>, resource<span class="br0">&#41;</span>
      map.<span class="me1">named_route</span><span class="br0">&#40;</span><span class="st0">&quot;#{resource.name_prefix}#{resource.singular}&quot;</span>, resource.<span class="me1">member_path</span>, show_action_options<span class="br0">&#41;</span>
      map.<span class="me1">named_route</span><span class="br0">&#40;</span><span class="st0">&quot;formatted_#{resource.name_prefix}#{resource.singular}&quot;</span>, <span class="st0">&quot;#{resource.member_path}.:format&quot;</span>, show_action_options<span class="br0">&#41;</span>
&nbsp;
      update_action_options = action_options_for<span class="br0">&#40;</span><span class="st0">&quot;update&quot;</span>, resource<span class="br0">&#41;</span>
      map.<span class="me1">connect</span><span class="br0">&#40;</span>resource.<span class="me1">member_path</span>, update_action_options<span class="br0">&#41;</span>
      map.<span class="me1">connect</span><span class="br0">&#40;</span><span class="st0">&quot;#{resource.member_path}.:format&quot;</span>, update_action_options<span class="br0">&#41;</span>
&nbsp;
      destroy_action_options = action_options_for<span class="br0">&#40;</span><span class="st0">&quot;destroy&quot;</span>, resource<span class="br0">&#41;</span>
      map.<span class="me1">connect</span><span class="br0">&#40;</span>resource.<span class="me1">member_path</span>, destroy_action_options<span class="br0">&#41;</span>
      map.<span class="me1">connect</span><span class="br0">&#40;</span><span class="st0">&quot;#{resource.member_path}.:format&quot;</span>, destroy_action_options<span class="br0">&#41;</span>
    <span class="kw1">end</span>
&nbsp;
  <span class="kw1">end</span>
<span class="kw1">end</span></code></pre>
<p>Agora, no final do <em>config/environment.rb</em> adicione esta linha:</p>
<pre class="rails"><code><span class="kw3">require</span> <span class="st0">'fix_resource_routing'</span></code></pre>
<p>Pronto! Agora nossas URLs voltaram a ficar bonitas como antes, e quando o Rails 2.0 sair, nossos permalinks não irão mudar!</p>
<p>Vi este patch em: <a href="http://www.stephenbartholomew.co.uk/2007/6/5/using-rails-edge-style-resource-actions-now">Using Rails Edge-style resource actions now</a></p>
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