<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>with_scope (ActiveRecord::Base)</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<link rel="stylesheet" href="../../.././rdoc-style.css" type="text/css" media="screen" />
</head>
<body class="standalone-code">
<pre><span class="ruby-comment cmt"># File lib/active_record/base.rb, line 2089</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">with_scope</span>(<span class="ruby-identifier">method_scoping</span> = {}, <span class="ruby-identifier">action</span> = <span class="ruby-identifier">:merge</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>)
<span class="ruby-identifier">method_scoping</span> = <span class="ruby-identifier">method_scoping</span>.<span class="ruby-identifier">method_scoping</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">method_scoping</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-identifier">:method_scoping</span>)
<span class="ruby-comment cmt"># Dup first and second level of hash (method and params).</span>
<span class="ruby-identifier">method_scoping</span> = <span class="ruby-identifier">method_scoping</span>.<span class="ruby-identifier">inject</span>({}) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">hash</span>, (<span class="ruby-identifier">method</span>, <span class="ruby-identifier">params</span>)<span class="ruby-operator">|</span>
<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>] = (<span class="ruby-identifier">params</span> <span class="ruby-operator">==</span> <span class="ruby-keyword kw">true</span>) <span class="ruby-operator">?</span> <span class="ruby-identifier">params</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">params</span>.<span class="ruby-identifier">dup</span>
<span class="ruby-identifier">hash</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">method_scoping</span>.<span class="ruby-identifier">assert_valid_keys</span>([ <span class="ruby-identifier">:find</span>, <span class="ruby-identifier">:create</span> ])
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">f</span> = <span class="ruby-identifier">method_scoping</span>[<span class="ruby-identifier">:find</span>]
<span class="ruby-identifier">f</span>.<span class="ruby-identifier">assert_valid_keys</span>(<span class="ruby-constant">VALID_FIND_OPTIONS</span>)
<span class="ruby-identifier">set_readonly_option!</span> <span class="ruby-identifier">f</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-comment cmt"># Merge scopings</span>
<span class="ruby-keyword kw">if</span> [<span class="ruby-identifier">:merge</span>, <span class="ruby-identifier">:reverse_merge</span>].<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">action</span>) <span class="ruby-operator">&&</span> <span class="ruby-identifier">current_scoped_methods</span>
<span class="ruby-identifier">method_scoping</span> = <span class="ruby-identifier">current_scoped_methods</span>.<span class="ruby-identifier">inject</span>(<span class="ruby-identifier">method_scoping</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">hash</span>, (<span class="ruby-identifier">method</span>, <span class="ruby-identifier">params</span>)<span class="ruby-operator">|</span>
<span class="ruby-keyword kw">case</span> <span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>]
<span class="ruby-keyword kw">when</span> <span class="ruby-constant">Hash</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">method</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">:find</span>
(<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>].<span class="ruby-identifier">keys</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">params</span>.<span class="ruby-identifier">keys</span>).<span class="ruby-identifier">uniq</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">key</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">merge</span> = <span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>][<span class="ruby-identifier">key</span>] <span class="ruby-operator">&&</span> <span class="ruby-identifier">params</span>[<span class="ruby-identifier">key</span>] <span class="ruby-comment cmt"># merge if both scopes have the same key</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">key</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">:conditions</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">merge</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">params</span>[<span class="ruby-identifier">key</span>].<span class="ruby-identifier">is_a?</span>(<span class="ruby-constant">Hash</span>) <span class="ruby-operator">&&</span> <span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>][<span class="ruby-identifier">key</span>].<span class="ruby-identifier">is_a?</span>(<span class="ruby-constant">Hash</span>)
<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>][<span class="ruby-identifier">key</span>] = <span class="ruby-identifier">merge_conditions</span>(<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>][<span class="ruby-identifier">key</span>].<span class="ruby-identifier">deep_merge</span>(<span class="ruby-identifier">params</span>[<span class="ruby-identifier">key</span>]))
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>][<span class="ruby-identifier">key</span>] = <span class="ruby-identifier">merge_conditions</span>(<span class="ruby-identifier">params</span>[<span class="ruby-identifier">key</span>], <span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>][<span class="ruby-identifier">key</span>])
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">elsif</span> <span class="ruby-identifier">key</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">:include</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">merge</span>
<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>][<span class="ruby-identifier">key</span>] = <span class="ruby-identifier">merge_includes</span>(<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>][<span class="ruby-identifier">key</span>], <span class="ruby-identifier">params</span>[<span class="ruby-identifier">key</span>]).<span class="ruby-identifier">uniq</span>
<span class="ruby-keyword kw">elsif</span> <span class="ruby-identifier">key</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">:joins</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">merge</span>
<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>][<span class="ruby-identifier">key</span>] = <span class="ruby-identifier">merge_joins</span>(<span class="ruby-identifier">params</span>[<span class="ruby-identifier">key</span>], <span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>][<span class="ruby-identifier">key</span>])
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>][<span class="ruby-identifier">key</span>] = <span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>][<span class="ruby-identifier">key</span>] <span class="ruby-operator">||</span> <span class="ruby-identifier">params</span>[<span class="ruby-identifier">key</span>]
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">action</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">:reverse_merge</span>
<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>] = <span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>].<span class="ruby-identifier">merge</span>(<span class="ruby-identifier">params</span>)
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>] = <span class="ruby-identifier">params</span>.<span class="ruby-identifier">merge</span>(<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>])
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">method</span>] = <span class="ruby-identifier">params</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">hash</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">scoped_methods</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">method_scoping</span>
<span class="ruby-keyword kw">begin</span>
<span class="ruby-keyword kw">yield</span>
<span class="ruby-keyword kw">ensure</span>
<span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">scoped_methods</span>.<span class="ruby-identifier">pop</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span></pre>
</body>
</html>
distrib
>
Mandriva
>
2010.0
>
i586
>
media
>
contrib-release
>
by-pkgid
>
d51872cc0e1fdee944d71993f94ac764
>
files
>
170
