mysearch.module

<?php

/**
 * Implementation of hook_permission().
 */
function mysearch_permission() {
  return array(
    'access mysearch' => array(
      'title' => 'Access My Search',
      'description' => 'Allows a user to access search results',
    )
  );
}


/**
 * Implementation of hook_menu().
 */
function mysearch_menu() {
  $items['mysearch'] = array(
    'title' => 'Search',
    'page callback' => 'mysearch_searchpage',
    'access arguments' => array('access mysearch'),
    'type' => MENU_SUGGESTED_ITEM,
  );
  return $items;
}


/**
 * Menu callback provides a simple list of nodes matching the
 * search term Example: hitting the URL:
 *   http://domain.com/mysearch/example
 * will return a list of links to nodes which have the word
 * example in them.
 */
function mysearch_searchpage() {
  $searchterm = arg(1);
  if(empty($searchterm)){
    return "Please try again using keyword.";
  }
  $keys = array($searchterm);
  $query = db_select('search_index', 'i');
  $query->join('node', 'n', 'n.nid = i.sid');
  $query->fields('n',array('nid', 'title'))
    ->condition('n.status', 1)
    ->condition('i.word', $searchterm)
    ->groupBy('n.nid')
    ->orderBy('i.score', 'DESC')
    ->addTag('node_access');
  $find = $query->execute();
  $items = array();
  foreach ($find as $item) {
    $items[] = array(
      'data' => l($item->title, 'node/'.$item->nid),
    );
  }
  if(empty($items)){
    return "No results for keyword {$searchterm}";
  }
  $type = 'ul';
  $themed_search_results = theme_item_list(array('items' => $items, 'title' => "Search results for {$searchterm}", 'type' => $type, 'attributes' => array()));
  return $themed_search_results;
}