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search.php
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search.php
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<?php // $Id$
/// Displays external information about a course
require_once("../config.php");
require_once("lib.php");
$search = optional_param('search', '', PARAM_RAW); // search words
$page = optional_param('page', 0, PARAM_INT); // which page to show
$perpage = optional_param('perpage', 10, PARAM_INT); // how many per page
$moveto = optional_param('moveto', 0, PARAM_INT); // move to category
$edit = optional_param('edit', -1, PARAM_BOOL);
$hide = optional_param('hide', 0, PARAM_INT);
$show = optional_param('show', 0, PARAM_INT);
$blocklist = optional_param('blocklist', 0, PARAM_INT);
$modulelist= optional_param('modulelist', '', PARAM_ALPHAEXT);
$search = trim(strip_tags($search)); // trim & clean raw searched string
if ($search) {
$searchterms = explode(" ", $search); // Search for words independently
foreach ($searchterms as $key => $searchterm) {
if (strlen($searchterm) < 2) {
unset($searchterms[$key]);
}
}
$search = trim(implode(" ", $searchterms));
}
$site = get_site();
if ($CFG->forcelogin) {
require_login();
}
if (has_capability('moodle/course:create', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
if ($edit !== -1) {
$USER->categoryediting = $edit;
// If the edit mode we are leaving has higher per page than the one we are entering,
// with pages, chances are you will get a no courses found error. So when we are switching
// modes, set page to 0.
$page = 0;
}
}
/// Editing functions
if (has_capability('moodle/course:visibility', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
/// Hide or show a course
if ($hide or $show and confirm_sesskey()) {
if ($hide) {
$course = get_record("course", "id", $hide);
$visible = 0;
} else {
$course = get_record("course", "id", $show);
$visible = 1;
}
if ($course) {
if (! set_field("course", "visible", $visible, "id", $course->id)) {
notify("Could not update that course!");
}
}
}
}
if (has_capability('moodle/course:create', get_context_instance(CONTEXT_SYSTEM, SITEID)) && $perpage != 99999) {
$perpage = 30;
}
$displaylist = array();
$parentlist = array();
make_categories_list($displaylist, $parentlist, "");
$strcourses = get_string("courses");
$strsearch = get_string("search");
$strsearchresults = get_string("searchresults");
$strcategory = get_string("category");
$strselect = get_string("select");
$strselectall = get_string("selectall");
$strdeselectall = get_string("deselectall");
$stredit = get_string("edit");
$strfrontpage = get_string('frontpage', 'admin');
$strnovalidcourses = get_string('novalidcourses');
if (empty($search) and empty($blocklist) and empty($modulelist)) {
$navlinks = array();
$navlinks[] = array('name' => $strcourses, 'link' => "index.php", 'type' => 'misc');
$navlinks[] = array('name' => $strsearch, 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
print_header("$site->fullname : $strsearch", $site->fullname, $navigation, "", "");
print_simple_box_start("center");
echo "<center>";
echo "<br />";
print_course_search("", false, "plain");
echo "<br /><p>";
print_string("searchhelp");
echo "</p>";
echo "</center>";
print_simple_box_end();
print_footer();
exit;
}
if (!empty($moveto) and $data = data_submitted() and confirm_sesskey()) { // Some courses are being moved
if (! $destcategory = get_record("course_categories", "id", $data->moveto)) {
error("Error finding the category");
}
$courses = array();
foreach ( $data as $key => $value ) {
if (preg_match('/^c\d+$/', $key)) {
array_push($courses, substr($key, 1));
}
}
move_courses($courses, $data->moveto);
}
// get list of courses containing blocks if required
if (!empty($blocklist) and confirm_sesskey()) {
$blockid = $blocklist;
if (!$blocks = get_records('block_instance', 'blockid', $blockid)) {
error( "Could not read data for blockid=$blockid" );
}
// run through blocks and get (unique) courses
$courses = array();
foreach ($blocks as $block) {
$courseid = $block->pageid;
if ($courseid==0) {
continue;
}
if (!$course = get_record('course', 'id', $courseid)) {
error( "Could not read data for courseid=$courseid" );
}
$courses[$courseid] = $course;
}
$totalcount = count( $courses );
}
// get list of courses containing modules if required
elseif (!empty($modulelist) and confirm_sesskey()) {
$modulename = $modulelist;
if (!$modules = get_records($modulename)) {
error( "Could not read data for module=$modulename" );
}
// run through modules and get (unique) courses
$courses = array();
foreach ($modules as $module) {
$courseid = $module->course;
if ($courseid==0) {
continue;
}
if (!$course = get_record('course', 'id', $courseid)) {
error( "Could not read data for courseid=$courseid" );
}
$courses[$courseid] = $course;
}
$totalcount = count($courses);
}
else {
$courses = get_courses_search($searchterms, "fullname ASC",
$page*$perpage, $perpage, $totalcount);
}
$searchform = print_course_search($search, true, "navbar");
if (!empty($courses) && has_capability('moodle/course:create', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
$searchform .= update_categories_search_button($search,$page,$perpage);
}
$navlinks = array();
$navlinks[] = array('name' => $strcourses, 'link' => 'index.php', 'type' => 'misc');
$navlinks[] = array('name' => $strsearch, 'link' => 'search.php', 'type' => 'misc');
$navlinks[] = array('name' => "'".s($search, true)."'", 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
print_header("$site->fullname : $strsearchresults", $site->fullname, $navigation, "", "", "", $searchform);
$lastcategory = -1;
if ($courses) {
print_heading("$strsearchresults: $totalcount");
$encodedsearch = urlencode(stripslashes($search));
print_paging_bar($totalcount, $page, $perpage, "search.php?search=$encodedsearch&perpage=$perpage&",'page',($perpage == 99999));
if ($perpage != 99999 && $totalcount > $perpage) {
echo "<center><p>";
echo "<a href=\"search.php?search=$encodedsearch&perpage=99999\">".get_string("showall", "", $totalcount)."</a>";
echo "</p></center>";
}
if (!has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
foreach ($courses as $course) {
$course->fullname = highlight("$search", $course->fullname);
$course->summary = highlight("$search", $course->summary);
$course->summary .= "<br /><p class=\"category\">";
$course->summary .= "$strcategory: <a href=\"category.php?id=$course->category\">";
$course->summary .= $displaylist[$course->category];
$course->summary .= "</a></p>";
print_course($course);
print_spacer(5,5);
}
} else { // slightly more sophisticated
echo "<form id=\"movecourses\" action=\"search.php\" method=\"post\">\n";
echo "<div><input type=\"hidden\" name=\"sesskey\" value=\"$USER->sesskey\" />\n";
echo "<input type=\"hidden\" name=\"search\" value=\"".s($search, true)."\" />\n";
echo "<input type=\"hidden\" name=\"page\" value=\"$page\" />\n";
echo "<input type=\"hidden\" name=\"perpage\" value=\"$perpage\" /></div>\n";
echo "<table border=\"0\" cellspacing=\"2\" cellpadding=\"4\" class=\"generalbox boxaligncenter\">\n<tr>\n";
echo "<th scope=\"col\">$strcourses</th>\n";
echo "<th scope=\"col\">$strcategory</th>\n";
echo "<th scope=\"col\">$strselect</th>\n";
echo "<th scope=\"col\">$stredit</th></tr>\n";
foreach ($courses as $course) {
$coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
$course->fullname = highlight("$search", $course->fullname);
$linkcss = $course->visible ? "" : " class=\"dimmed\" ";
// are we displaying the front page (courseid=1)?
if ($course->id == 1) {
echo "<tr>\n";
echo "<td><a href=\"$CFG->wwwroot\">$strfrontpage</a></td>\n";
// can't do anything else with the front page
echo " <td> </td>\n"; // category place
echo " <td> </td>\n"; // select place
echo " <td> </td>\n"; // edit place
echo "</tr>\n";
continue;
}
echo "<tr>\n";
echo "<td><a $linkcss href=\"view.php?id=$course->id\">"
. format_string($course->fullname) . "</a></td>\n";
echo "<td>".$displaylist[$course->category]."</td>\n";
echo "<td>\n";
// this is ok since this will get inherited from course category context
// if it is set
if (has_capability('moodle/category:update', $coursecontext)) {
echo "<input type=\"checkbox\" name=\"c$course->id\" />\n";
} else {
echo "<input type=\"checkbox\" name=\"c$course->id\" disabled=\"disabled\" />\n";
}
echo "</td>\n";
echo "<td>\n";
$pixpath = $CFG->pixpath;
// checks whether user can update course settings
if (has_capability('moodle/course:update', $coursecontext)) {
echo "<a title=\"".get_string("settings")."\" href=\"$CFG->wwwroot/course/edit.php?id=$course->id\">\n<img".
" src=\"$pixpath/t/edit.gif\" class=\"iconsmall\" alt=\"".get_string("settings")."\" /></a>\n ";
}
// checks whether user can do role assignment
if (has_capability('moodle/role:assign', $coursecontext)) {
echo'<a title="'.get_string('assignroles', 'role').'" href="'.$CFG->wwwroot.'/'.$CFG->admin.'/roles/assign.php?contextid='.$coursecontext->id.'">';
echo '<img src="'.$CFG->pixpath.'/i/roles.gif" class="iconsmall" alt="'.get_string('assignroles', 'role').'" /></a> ' . "\n";
}
// checks whether user can delete course
if (has_capability('moodle/course:delete', $coursecontext)) {
echo "<a title=\"".get_string("delete")."\" href=\"delete.php?id=$course->id\">\n<img".
" src=\"$pixpath/t/delete.gif\" class=\"iconsmall\" alt=\"".get_string("delete")."\" /></a>\n ";
}
// checks whether user can change visibility
if (has_capability('moodle/course:visibility', $coursecontext)) {
if (!empty($course->visible)) {
echo "<a title=\"".get_string("hide")."\" href=\"search.php?search=$encodedsearch&perpage=$perpage&page=$page&hide=$course->id&sesskey=$USER->sesskey\">\n<img".
" src=\"$pixpath/t/hide.gif\" class=\"iconsmall\" alt=\"".get_string("hide")."\" /></a>\n ";
} else {
echo "<a title=\"".get_string("show")."\" href=\"search.php?search=$encodedsearch&perpage=$perpage&page=$page&show=$course->id&sesskey=$USER->sesskey\">\n<img".
" src=\"$pixpath/t/show.gif\" class=\"iconsmall\" alt=\"".get_string("show")."\" /></a>\n ";
}
}
// checks whether user can do site backup
if (has_capability('moodle/site:backup', $coursecontext)) {
echo "<a title=\"".get_string("backup")."\" href=\"../backup/backup.php?id=$course->id\">\n<img".
" src=\"$pixpath/t/backup.gif\" class=\"iconsmall\" alt=\"".get_string("backup")."\" /></a>\n ";
}
// checks whether user can do restore
if (has_capability('moodle/site:restore', $coursecontext)) {
echo "<a title=\"".get_string("restore")."\" href=\"../files/index.php?id=$course->id&wdir=/backupdata\">\n<img".
" src=\"$pixpath/t/restore.gif\" class=\"iconsmall\" alt=\"".get_string("restore")."\" /></a>\n ";
}
echo "</td>\n</tr>\n";
}
echo "<tr>\n<td colspan=\"4\" style=\"text-align:center\">\n";
echo "<br />";
echo "<input type=\"button\" onclick=\"checkall()\" value=\"$strselectall\" />\n";
echo "<input type=\"button\" onclick=\"uncheckall()\" value=\"$strdeselectall\" />\n";
choose_from_menu ($displaylist, "moveto", "", get_string("moveselectedcoursesto"), "javascript: getElementById('movecourses').submit()");
echo "</td>\n</tr>\n";
echo "</table>\n</form>";
}
print_paging_bar($totalcount, $page, $perpage, "search.php?search=$encodedsearch&perpage=$perpage&",'page',($perpage == 99999));
if ($perpage != 99999 && $totalcount > $perpage) {
echo "<center><p>";
echo "<a href=\"search.php?search=$encodedsearch&perpage=99999\">".get_string("showall", "", $totalcount)."</a>";
echo "</p></center>";
}
} else {
if (!empty($search)) {
print_heading(get_string("nocoursesfound", "", s($search, true)));
}
else {
print_heading( $strnovalidcourses );
}
}
echo "<br /><br />";
print_course_search($search);
print_footer();
?>