1 <?php
 2 /**
 3  * Provides a simple search engine for your site based on the MySQL FULLTEXT index
 4  * 
 5  * @package sapphire
 6  * @subpackage search
 7  */
 8 class FulltextSearchable extends DataObjectDecorator {
 9     protected $searchFields;
10     
11     /**
12      * Enable the default configuration of MySQL full-text searching on the given data classes.
13      */
14     static function enable($searchableClasses = array('SiteTree', 'File')) {
15         $defaultColumns = array(
16             'SiteTree' => 'Title,MenuTitle,Content,MetaTitle,MetaDescription,MetaKeywords',
17             'File' => 'Filename,Title,Content'
18         );
19         
20         if(!is_array($searchableClasses)) $searchableClasses = array($searchableClasses);
21         foreach($searchableClasses as $class) {
22                         if(method_exists($class, 'defaultSearchColumns')){
23                             $c = singleton($class);
24                             $defaultColumnsContex = $c->defaultSearchColumns();
25                             Object::add_extension($class, "FulltextSearchable('{$defaultColumnsContex}')");
26                         }else{
27                             if(isset($defaultColumns[$class])) {
28                                     Object::add_extension($class, "FulltextSearchable('{$defaultColumns[$class]}')");
29                             } else {
30                                     throw new Exception("FulltextSearchable::enable() I don't know the default search columns for class '$class'");
31                             }
32                         }
33         }
34         
35         Object::add_extension("ContentController", "ContentControllerSearchExtension");
36     }
37     
38     function __construct($searchFields) {
39         if(is_array($searchFields)) $this->searchFields = implode(',', $searchFields);
40         else $this->searchFields = $searchFields;
41         parent::__construct();
42     }
43     
44     function extraStatics($class = null, $extension = null) {
45         if($extension && preg_match('/\([\'"](.*)[\'"]\)/', $extension, $matches)) {
46             $searchFields = $matches[1];
47         
48             return array(
49                 'indexes' => array(
50                     "SearchFields" => Array(
51                         'type'=>'fulltext', 
52                         'name'=>'SearchFields', 
53                         'value'=> $searchFields
54                     ),
55                 )
56             );
57         }
58     }
59 }