course/search.php

   1 <?php // $Id$
   2
   3 /// Displays external information about a course
   4
   5     require_once("../config.php");
   6     require_once("lib.php");
   7
   8     $search  = optional_param('search', '', PARAM_RAW);  // search words
   9     $page    = optional_param('page', 0, PARAM_INT);     // which page to show
  10     $perpage = optional_param('perpage', 10, PARAM_INT); // how many per page
  11     $moveto  = optional_param('moveto', 0, PARAM_INT);   // move to category
  12     $edit    = optional_param('edit', -1, PARAM_BOOL);
  13     $hide    = optional_param('hide', 0, PARAM_INT);
  14     $show    = optional_param('show', 0, PARAM_INT);
  15
  16     $search = trim(strip_tags($search)); // trim & clean raw searched string
  17
  18     if ($search) {
  19         $searchterms = explode(" ", $search);    // Search for words independently
  20         foreach ($searchterms as $key => $searchterm) {
  21             if (strlen($searchterm) < 2) {
  22                 unset($searchterms[$key]);
  23             }
  24         }
  25         $search = trim(implode(" ", $searchterms));
  26     }
  27
  28     $site = get_site();
  29
  30     if ($CFG->forcelogin) {
  31         require_login();
  32     }
  33
  34     if (has_capability('moodle/course:create', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
  35         if ($edit !== -1) {
  36             $USER->categoryediting = $edit;
  37             // If the edit mode we are leaving has higher per page than the one we are entering,
  38             // with pages, chances are you will get a no courses found error. So when we are switching
  39             // modes, set page to 0.
  40             $page = 0;
  41         }
  42     }
  43
  44 /// Editing functions
  45
  46     if (has_capability('moodle/course:visibility', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
  47
  48     /// Hide or show a course
  49
  50         if ($hide or $show and confirm_sesskey()) {
  51             if ($hide) {
  52                 $course = get_record("course", "id", $hide);
  53                 $visible = 0;
  54             } else {
  55                 $course = get_record("course", "id", $show);
  56                 $visible = 1;
  57             }
  58             if ($course) {
  59                 if (! set_field("course", "visible", $visible, "id", $course->id)) {
  60                     notify("Could not update that course!");
  61                 }
  62             }
  63         }
  64
  65     }
  66
  67     if (has_capability('moodle/course:create', get_context_instance(CONTEXT_SYSTEM, SITEID)) && $perpage != 99999) {
  68         $perpage = 30;
  69     }
  70
  71     $displaylist = array();
  72     $parentlist = array();
  73     make_categories_list($displaylist, $parentlist, "");
  74
  75     $strcourses = get_string("courses");
  76     $strsearch = get_string("search");
  77     $strsearchresults = get_string("searchresults");
  78     $strcategory = get_string("category");
  79     $strselect   = get_string("select");
  80     $strselectall = get_string("selectall");
  81     $strdeselectall = get_string("deselectall");
  82     $stredit = get_string("edit");
  83
  84     if (!$search) {
  85         print_header("$site->fullname : $strsearch", $site->fullname,
  86                      "<a href=\"index.php\">$strcourses</a> -> $strsearch", "", "");
  87         print_simple_box_start("center");
  88         echo "<center>";
  89         echo "<br />";
  90         print_course_search("", false, "plain");
  91         echo "<br /><p>";
  92         print_string("searchhelp");
  93         echo "</p>";
  94         echo "</center>";
  95         print_simple_box_end();
  96         print_footer();
  97         exit;
  98     }
  99
 100     if (!empty($moveto) and $data = data_submitted() and confirm_sesskey()) {   // Some courses are being moved
 101
 102         if (! $destcategory = get_record("course_categories", "id", $data->moveto)) {
 103             error("Error finding the category");
 104         }
 105
 106         $courses = array();
 107         foreach ( $data as $key => $value ) {
 108             if (preg_match('/^c\d+$/', $key)) {
 109                 array_push($courses, substr($key, 1));
 110             }
 111         }
 112         move_courses($courses, $data->moveto);
 113     }
 114
 115     $courses = get_courses_search($searchterms, "fullname ASC",
 116                                   $page*$perpage, $perpage, $totalcount);
 117
 118     $searchform = print_course_search($search, true, "navbar");
 119
 120     if (!empty($courses) && has_capability('moodle/course:create', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
 121         $searchform .= update_categories_search_button($search,$page,$perpage);
 122     }
 123
 124
 125     print_header("$site->fullname : $strsearchresults", $site->fullname,
 126                  "<a href=\"index.php\">$strcourses</a> -> <a href=\"search.php\">$strsearch</a> -> '".s($search, true)."'", "", "", "", $searchform);
 127
 128
 129     $lastcategory = -1;
 130     if ($courses) {
 131
 132         print_heading("$strsearchresults: $totalcount");
 133
 134         $encodedsearch = urlencode(stripslashes($search));
 135         print_paging_bar($totalcount, $page, $perpage, "search.php?search=$encodedsearch&amp;perpage=$perpage&amp;",'page',($perpage == 99999));
 136
 137         if ($perpage != 99999 && $totalcount > $perpage) {
 138             echo "<center><p>";
 139             echo "<a href=\"search.php?search=$encodedsearch&perpage=99999\">".get_string("showall", "", $totalcount)."</a>";
 140             echo "</p></center>";
 141         }
 142
 143         if (!has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
 144             foreach ($courses as $course) {
 145                 $course->fullname = highlight("$search", $course->fullname);
 146                 $course->summary = highlight("$search", $course->summary);
 147                 $course->summary .= "<br /><p align=\"right\">";
 148                 $course->summary .= "$strcategory: <a href=\"category.php?id=$course->category\">";
 149                 $course->summary .= $displaylist[$course->category];
 150                 $course->summary .= "</a></p>";
 151                 print_course($course);
 152                 print_spacer(5,5);
 153             }
 154         } else { // slightly more sophisticated
 155
 156             echo "<form name=\"movecourses\" action=\"search.php\" method=\"post\">";
 157             echo "<input type=\"hidden\" name=\"sesskey\" value=\"$USER->sesskey\">";
 158             echo "<input type=\"hidden\" name=\"search\" value=\"".s($search, true)."\">";
 159             echo "<input type=\"hidden\" name=\"page\" value=\"$page\">";
 160             echo "<input type=\"hidden\" name=\"perpage\" value=\"$perpage\">";
 161             echo "<table align=\"center\" border=0 cellspacing=2 cellpadding=4 class=\"generalbox\"><tr>";
 162             echo "<th>$strcourses</th>";
 163             echo "<th>$strcategory</th>";
 164             echo "<th>$strselect</th>";
 165             echo "<th>$stredit</th>";
 166             foreach ($courses as $course) {
 167
 168                 $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
 169
 170                 $course->fullname = highlight("$search", $course->fullname);
 171                 $linkcss = $course->visible ? "" : " class=\"dimmed\" ";
 172                 echo "<tr>";
 173                 echo "<td><a $linkcss href=\"view.php?id=$course->id\">$course->fullname</a></td>";
 174                 echo "<td>".$displaylist[$course->category]."</td>";
 175                 echo "<td align=\"center\">";
 176
 177                 // this is ok since this will get inherited from course category context
 178                 // if it is set
 179                 if (has_capability('moodle/category:update', $coursecontext)) {
 180                     echo "<input type=\"checkbox\" name=\"c$course->id\">";
 181                 } else {
 182                     echo "<input type=\"checkbox\" name=\"c$course->id\" disabled=\"disabled\">";
 183                 }
 184
 185                 echo "</td>";
 186                 echo "<td>";
 187                 if (empty($THEME->custompix)) {
 188                     $pixpath = "$CFG->wwwroot/pix";
 189                 } else {
 190                     $pixpath = "$CFG->themedir/$CFG->theme/pix";
 191                 }
 192
 193                 // checks whether user can update course settings
 194                 if (has_capability('moodle/course:update', $coursecontext)) {
 195                     echo "<a title=\"".get_string("settings")."\" href=\"$CFG->wwwroot/course/edit.php?id=$course->id\"><img".
 196                         " src=\"$pixpath/t/edit.gif\" height=\"11\" width=\"11\" border=\"0\"></a> ";
 197                 }
 198
 199                 // checks whether user can do role assignment
 200                     if (has_capability('moodle/role:assign', $coursecontext)) {
 201                     echo'<a title="'.get_string('assignroles', 'role').'" href="'.$CFG->wwwroot.'/'.$CFG->admin.'/roles/assign.php?contextid='.$coursecontext->id.'">';
 202                         echo '<img src="'.$CFG->pixpath.'/i/roles.gif" height="11" width="11" alt="'.get_string('assignroles', 'role').'" /></a>';
 203                     }
 204
 205                 // checks whether user can delete course
 206                 if (has_capability('moodle/course:delete', $coursecontext)) {
 207                     echo "<a title=\"".get_string("delete")."\" href=\"delete.php?id=$course->id\"><img".
 208                         " src=\"$pixpath/t/delete.gif\" height=\"11\" width=\"11\" border=\"0\"></a> ";
 209                 }
 210
 211                 // checks whether user can change visibility
 212                 if (has_capability('moodle/course:visibility', $coursecontext)) {
 213                     if (!empty($course->visible)) {
 214                         echo "<a title=\"".get_string("hide")."\" href=\"search.php?search=$encodedsearch&amp;perpage=$perpage&amp;page=$page&amp;hide=$course->id&amp;sesskey=$USER->sesskey\"><img".
 215                             " src=\"$pixpath/t/hide.gif\" height=\"11\" width=\"11\" border=\"0\"></a> ";
 216                     } else {
 217                         echo "<a title=\"".get_string("show")."\" href=\"search.php?search=$encodedsearch&amp;perpage=$perpage&amp;page=$page&amp;show=$course->id&amp;sesskey=$USER->sesskey\"><img".
 218                             " src=\"$pixpath/t/show.gif\" height=\"11\" width=\"11\" border=\"0\"></a> ";
 219                     }
 220                 }
 221
 222                 // checks whether user can do site backup
 223                 if (has_capability('moodle/site:backup', $coursecontext)) {
 224                     echo "<a title=\"".get_string("backup")."\" href=\"../backup/backup.php?id=$course->id\"><img".
 225                         " src=\"$pixpath/t/backup.gif\" height=\"11\" width=\"11\" border=\"0\"></a> ";
 226                 }
 227
 228                 // checks whether user can do restore
 229                 if (has_capability('moodle/site:restore', $coursecontext)) {
 230                     echo "<a title=\"".get_string("restore")."\" href=\"../files/index.php?id=$course->id&wdir=/backupdata\"><img".
 231                         " src=\"$pixpath/t/restore.gif\" height=\"11\" width=\"11\" border=\"0\"></a> ";
 232                 }
 233
 234                 echo "</td></tr>";
 235             }
 236             echo "<tr><td colspan=\"4\" align=\"center\">";
 237             echo "<br />";
 238             echo "<input type=\"button\" onclick=\"checkall()\" value=\"$strselectall\" />\n";
 239             echo "<input type=\"button\" onclick=\"uncheckall()\" value=\"$strdeselectall\" />\n";
 240             choose_from_menu ($displaylist, "moveto", "", get_string("moveselectedcoursesto"), "javascript:document.movecourses.submit()");
 241             echo "</td></tr>";
 242             echo "</table>";
 243
 244         }
 245
 246         print_paging_bar($totalcount, $page, $perpage, "search.php?search=$encodedsearch&amp;perpage=$perpage&amp;",'page',($perpage == 99999));
 247
 248         if ($perpage != 99999 && $totalcount > $perpage) {
 249             echo "<center><p>";
 250             echo "<a href=\"search.php?search=$encodedsearch&perpage=99999\">".get_string("showall", "", $totalcount)."</a>";
 251             echo "</p></center>";
 252         }
 253
 254     } else {
 255         print_heading(get_string("nocoursesfound", "", s($search, true)));
 256     }
 257
 258     echo "<br /><br />";
 259
 260     print_course_search($search);
 261
 262     print_footer();
 263
 264
 265 ?>