search/documents/resource_document.php

   1 <?php
   2
   3   require_once("$CFG->dirroot/search/documents/document.php");
   4
   5   class ResourceSearchDocument extends SearchDocument {
   6     public function __construct(&$resource) {
   7       // generic information; required
   8       $doc->docid     = $resource['id'];
   9       $doc->title     = strip_tags($resource['name']);
  10       $doc->date      = $resource['timemodified'];
  11
  12       $doc->author    = '';
  13       $doc->contents  = strip_tags($resource['summary']).' '.strip_tags($resource['alltext']);
  14       $doc->url       = resource_make_link($resource['id']);
  15
  16       // module specific information; optional
  17       $data = array();
  18
  19       // construct the parent class
  20       parent::__construct($doc, $data, SEARCH_TYPE_RESOURCE, $resource['course'], -1);
  21     } //constructor
  22   } //ResourceSearchDocument
  23
  24   function resource_make_link($resource_id) {
  25     global $CFG;
  26     return $CFG->wwwroot.'/mod/resource/view.php?r='.$resource_id;
  27   } //resource_make_link
  28
  29   function resource_iterator() {
  30     //trick to leave search indexer functionality intact, but allow
  31     //this document to only use the below function to return info
  32     //to be searched
  33     return array(true);
  34   } //resource_iterator
  35
  36   //this function does not need a content iterator, returns all the info
  37   //itself; remember to fake the iterator array though
  38   function resource_get_content_for_index(&$notneeded) {
  39     $documents = array();
  40
  41     $resources = get_recordset_sql('SELECT *
  42                               FROM {$CFG->prefix}resource
  43                               WHERE alltext NOT LIKE ""
  44                               AND alltext NOT LIKE " "
  45                               AND alltext NOT LIKE "&nbsp;"
  46                               AND TYPE != "file"');
  47
  48     while (!$resources->EOF) {
  49       $resource = $resources->fields;
  50
  51       if ($resource) {
  52         $documents[] = new ResourceSearchDocument($resource);
  53       } //if
  54
  55       $resources->MoveNext();
  56     } //foreach
  57
  58     return $documents;
  59   } //resource_get_content_for_index
  60
  61   //returns a single resource search document based on a resource_entry id
  62   function resource_single_document($id) {
  63     $resources = get_recordset_sql('SELECT *
  64                               FROM {$CFG->prefix}resource
  65                               WHERE alltext NOT LIKE ""
  66                               AND alltext NOT LIKE " "
  67                               AND alltext NOT LIKE "&nbsp;"
  68                               AND TYPE != "file",
  69                               AND id = '.$id);
  70
  71     $resource = $resources->fields;
  72
  73     return new ResourceSearchDocument($resource);
  74   } //resource_single_document
  75
  76   function resource_delete($info) {
  77     return $info;
  78   } //resource_delete
  79
  80   //returns the var names needed to build a sql query for addition/deletions
  81   function resource_db_names() {
  82     //[primary id], [table name], [time created field name], [time modified field name], [additional where conditions for sql]
  83     return array('id', 'resource', 'timemodified', 'timemodified', "WHERE alltext NOT LIKE '' AND alltext NOT LIKE ' ' AND alltext NOT LIKE '&nbsp;' AND TYPE != 'file'");
  84   } //resource_db_names
  85
  86 ?>