<p>The <strong>scoped_search</strong> plugin consists of three parts:</p> <ul> <li>The query language parser;</li> <li>The <span class="caps">SQL</span> conditions builder;</li> <li>The part that bolts the functionality onto ActiveRecord.</li> </ul> <h2>Query language parser</h2> <p>File: <a href="http://github.com/wvanbergen/scoped_search/tree/master/lib/scoped_search/query_language_parser.rb"><code>lib/scoped_search/query_language_parser.rb</code></a></p> <p>This file parses the query string and returns the result as an array of search terms.</p> <h2><span class="caps">SQL</span> conditions builder</h2> <p>File: <a href="http://github.com/wvanbergen/scoped_search/tree/master/lib/scoped_search/query_conditions_builder.rb"><code>lib/scoped_search/query_conditions_builder.rb</code></a></p> <p>Creates <span class="caps">WHERE</span> clause conditions for every field that must be searched, using the array of search terms. This part is a bit <span class="caps">DBMS</span> specific.</p> <h2>Integration with ActiveRecord</h2> <p>File: <a href="http://github.com/wvanbergen/scoped_search/tree/master/lib/scoped_search.rb"><code>lib/scoped_search.rb</code></a></code></p> <p>Adds the <code>searchable_on</code> method to the the <code>ActiveRecord::Base</code> class. Calling this method on a subclass will create the <code>search_for</code> named scope.</p> 2009-11-25T01:37:22-08:00 124404 design-and-internals 37427 2009-01-28T23:22:57-08:00 15870