mod/forum/search.php

   1 <?PHP // $Id$
   2
   3     require_once("../../config.php");
   4     require_once("lib.php");
   5
   6     require_variable($id);           // course id
   7     optional_variable($search, "");  // search string
   8     optional_variable($page, "0");   // which page to show
   9     optional_variable($perpage, "20");   // which page to show
  10
  11     $search = trim(strip_tags($search));
  12
  13     if ($search) {
  14         $searchterms = explode(" ", $search);    // Search for words independently
  15         foreach ($searchterms as $key => $searchterm) {
  16             if (strlen($searchterm) < 2) {
  17                 unset($searchterms[$key]);
  18             }
  19         }
  20         $search = s(trim(implode(" ", $searchterms)));
  21     }
  22
  23     if (! $course = get_record("course", "id", $id)) {
  24         error("Course id is incorrect.");
  25     }
  26
  27     if ($course->category) {
  28         require_login($course->id);
  29     }
  30
  31     add_to_log($course->id, "forum", "search", "search.php?id=$course->id&search=".urlencode($search), $search);
  32
  33     $strforums = get_string("modulenameplural", "forum");
  34     $strsearch = get_string("search", "forum");
  35     $strsearchresults = get_string("searchresults", "forum");
  36     $strpage = get_string("page");
  37
  38     $searchform = forum_print_search_form($course, $search, true, "plain");
  39
  40     if (!$search) {
  41         print_header("$course->shortname: $strsearch", "$course->fullname",
  42                  "<A HREF=\"../../course/view.php?id=$course->id\">$course->shortname</A> ->
  43                   <A HREF=\"index.php?id=$course->id\">$strforums</A> -> $strsearch", "search.search",
  44                   "", "", "&nbsp;", navmenu($course));
  45
  46         print_simple_box_start("center");
  47         echo "<center>";
  48         echo "<br />";
  49         echo $searchform;
  50         echo "<br /><p>";
  51         print_string("searchhelp");
  52         echo "</p>";
  53         echo "</center>";
  54         print_simple_box_end();
  55     }
  56
  57     if ($search) {
  58
  59         if (!$posts = forum_search_posts($searchterms, $course->id, $page*$perpage, $perpage, $totalcount)) {
  60
  61
  62             print_header("$course->shortname: $strsearchresults", "$course->fullname",
  63                      "<a href=\"../../course/view.php?id=$course->id\">$course->shortname</a> ->
  64                       <a href=\"index.php?id=$course->id\">$strforums</a> ->
  65                       <a href=\"search.php?id=$course->id\">$strsearch</a> -> \"$search\"", "search.search",
  66                       "", "", "&nbsp;", navmenu($course));
  67             print_heading(get_string("nopostscontaining", "forum", $search));
  68
  69             print_simple_box_start("center");
  70             echo "<center>";
  71             echo "<br />";
  72             echo $searchform;
  73             echo "<br /><p>";
  74             print_string("searchhelp");
  75             echo "</p>";
  76             echo "</center>";
  77             print_simple_box_end();
  78             print_footer($course);
  79             exit;
  80         }
  81
  82         print_header("$course->shortname: $strsearchresults", "$course->fullname",
  83                  "<a href=\"../../course/view.php?id=$course->id\">$course->shortname</a> ->
  84                   <a href=\"index.php?id=$course->id\">$strforums</a> ->
  85                   <a href=\"search.php?id=$course->id\">$strsearch</a> -> \"$search\"", "search.search",
  86                   "", "",  $searchform, navmenu($course));
  87
  88         print_heading("$strsearchresults: $totalcount");
  89
  90         echo "<center>";
  91         print_paging_bar($totalcount, $page, $perpage, "search.php?search=$search&id=$course->id&perpage=$perpage&");
  92         echo "</center>";
  93
  94         foreach ($posts as $post) {
  95
  96             if (! $discussion = get_record("forum_discussions", "id", $post->discussion)) {
  97                 error("Discussion ID was incorrect");
  98             }
  99             if (! $forum = get_record("forum", "id", "$discussion->forum")) {
 100                 error("Could not find forum $discussion->forum");
 101             }
 102
 103             $post->subject = highlight("$search", $post->subject);
 104             $discussion->name = highlight("$search", $discussion->name);
 105
 106             $fullsubject = "<a href=\"view.php?f=$forum->id\">$forum->name</a>";
 107             if ($forum->type != "single") {
 108                 $fullsubject .= " -> <a href=\"discuss.php?d=$discussion->id\">$discussion->name</a>";
 109                 if ($post->parent != 0) {
 110                     $fullsubject .= " -> <a href=\"discuss.php?d=$post->discussion&parent=$post->id\">$post->subject</a>";
 111                 }
 112             }
 113
 114             $post->subject = $fullsubject;
 115
 116             $fulllink = "<p align=\"right\"><a href=\"discuss.php?d=$post->discussion#$post->id\">".get_string("postincontext", "forum")."</a></p>";
 117             forum_print_post($post, $course->id, false, false, false, false, $fulllink, $search);
 118
 119             echo "<br />";
 120         }
 121
 122         echo "<center>";
 123         print_paging_bar($totalcount, $page, $perpage, "search.php?search=".urlencode($search)."&id=$course->id&perpage=$perpage&");
 124         echo "</center>";
 125     }
 126
 127     print_footer($course);
 128
 129 ?>
 130