mirror of
https://github.com/moodle/moodle.git
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439 lines
18 KiB
PHP
439 lines
18 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Displays external information about a course
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* @package core
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* @category course
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* @copyright 1999 onwards Martin Dougiamas http://dougiamas.com
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once("../config.php");
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require_once($CFG->dirroot.'/course/lib.php');
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$search = optional_param('search', '', PARAM_RAW); // search words
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$page = optional_param('page', 0, PARAM_INT); // which page to show
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$perpage = optional_param('perpage', 10, PARAM_INT); // how many per page
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$moveto = optional_param('moveto', 0, PARAM_INT); // move to category
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$edit = optional_param('edit', -1, PARAM_BOOL);
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$hide = optional_param('hide', 0, PARAM_INT);
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$show = optional_param('show', 0, PARAM_INT);
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$blocklist = optional_param('blocklist', 0, PARAM_INT);
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$modulelist= optional_param('modulelist', '', PARAM_PLUGIN);
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// List of minimum capabilities which user need to have for editing/moving course
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$capabilities = array('moodle/course:create', 'moodle/category:manage');
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// List of category id's in which current user has course:create and category:manage capability.
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$usercatlist = array();
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// List of parent category id's
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$catparentlist = array();
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// Populate usercatlist with list of category id's with required capabilities.
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make_categories_list($usercatlist, $catparentlist, $capabilities);
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$search = trim(strip_tags($search)); // trim & clean raw searched string
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if ($search) {
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$searchterms = explode(" ", $search); // Search for words independently
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foreach ($searchterms as $key => $searchterm) {
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if (strlen($searchterm) < 2) {
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unset($searchterms[$key]);
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}
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}
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$search = trim(implode(" ", $searchterms));
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}
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$site = get_site();
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$urlparams = array();
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foreach (array('search', 'page', 'blocklist', 'modulelist', 'edit') as $param) {
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if (!empty($$param)) {
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$urlparams[$param] = $$param;
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}
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}
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if ($perpage != 10) {
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$urlparams['perpage'] = $perpage;
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}
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$PAGE->set_url('/course/search.php', $urlparams);
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$PAGE->set_context(context_system::instance());
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$PAGE->set_pagelayout('standard');
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if ($CFG->forcelogin) {
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require_login();
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}
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// Editing is possible if user has system or category level create and manage capability
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if (can_edit_in_category() || !empty($usercatlist)) {
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if ($edit !== -1) {
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$USER->editing = $edit;
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}
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$adminediting = $PAGE->user_is_editing();
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// Set perpage if user can edit in category
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if ($perpage != 99999) {
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$perpage = 30;
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}
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} else {
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$adminediting = false;
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}
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// Editing functions
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if (has_capability('moodle/course:visibility', context_system::instance())) {
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// Hide or show a course
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if (($hide || $show) && confirm_sesskey()) {
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if ($hide) {
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$course = $DB->get_record("course", array("id" => $hide));
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$visible = 0;
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} else {
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$course = $DB->get_record("course", array("id" => $show));
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$visible = 1;
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}
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if ($course) {
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$DB->set_field("course", "visible", $visible, array("id" => $course->id));
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}
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}
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}
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$displaylist = array();
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$parentlist = array();
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make_categories_list($displaylist, $parentlist);
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$strcourses = new lang_string("courses");
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$strsearch = new lang_string("search");
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$strsearchresults = new lang_string("searchresults");
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$strcategory = new lang_string("category");
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$strselect = new lang_string("select");
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$strselectall = new lang_string("selectall");
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$strdeselectall = new lang_string("deselectall");
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$stredit = new lang_string("edit");
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$strfrontpage = new lang_string('frontpage', 'admin');
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$strnovalidcourses = new lang_string('novalidcourses');
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if (empty($search) and empty($blocklist) and empty($modulelist) and empty($moveto) and ($edit != -1)) {
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$PAGE->navbar->add($strcourses, new moodle_url('/course/index.php'));
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$PAGE->navbar->add($strsearch);
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$PAGE->set_title("$site->fullname : $strsearch");
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$PAGE->set_heading($site->fullname);
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echo $OUTPUT->header();
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echo $OUTPUT->box_start();
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echo "<center>";
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echo "<br />";
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print_course_search("", false, "plain");
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echo "<br /><p>";
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print_string("searchhelp");
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echo "</p>";
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echo "</center>";
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echo $OUTPUT->box_end();
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echo $OUTPUT->footer();
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exit;
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}
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$courses = array();
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if (!empty($moveto) and $data = data_submitted() and confirm_sesskey()) { // Some courses are being moved
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if (!$destcategory = $DB->get_record("course_categories", array("id" => $moveto))) {
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print_error('cannotfindcategory', '', '', $moveto);
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}
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// User should have manage and create capablity on destination category.
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require_capability('moodle/category:manage', context_coursecat::instance($moveto));
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require_capability('moodle/course:create', context_coursecat::instance($moveto));
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foreach ( $data as $key => $value ) {
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if (preg_match('/^c\d+$/', $key)) {
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$courseid = substr($key, 1);
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// user must have category:manage and course:create capability for the course to be moved.
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$coursecontext = context_course::instance($courseid);
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foreach ($capabilities as $capability) {
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// Require capability here will result in a fatal error should the user not
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// have the requried category ensuring that no moves occur if they are
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// trying to move multiple courses.
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require_capability($capability, $coursecontext);
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array_push($courses, $courseid);
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}
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}
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}
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move_courses($courses, $moveto);
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}
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// get list of courses containing blocks if required
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if (!empty($blocklist) and confirm_sesskey()) {
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$blockname = $DB->get_field('block', 'name', array('id' => $blocklist));
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$courses = array();
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$courses = $DB->get_records_sql("
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SELECT * FROM {course} WHERE id IN (
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SELECT DISTINCT ctx.instanceid
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FROM {context} ctx
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JOIN {block_instances} bi ON bi.parentcontextid = ctx.id
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WHERE ctx.contextlevel = " . CONTEXT_COURSE . " AND bi.blockname = ?)",
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array($blockname));
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$totalcount = count($courses);
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// Keep only chunk of array which you want to display
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if ($totalcount > $perpage) {
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$courses = array_chunk($courses, $perpage, true);
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$courses = $courses[$page];
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}
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foreach ($courses as $course) {
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$courses[$course->id] = $course;
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}
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} elseif (!empty($modulelist) and confirm_sesskey()) { // get list of courses containing modules
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$modulename = $modulelist;
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$sql = "SELECT DISTINCT c.id FROM {".$modulelist."} module, {course} c"
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." WHERE module.course=c.id";
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$courseids = $DB->get_records_sql($sql);
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$courses = array();
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if (!empty($courseids)) {
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$firstcourse = $page*$perpage;
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$lastcourse = $page*$perpage + $perpage -1;
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$i = 0;
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foreach ($courseids as $courseid) {
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if ($i >= $firstcourse && $i <= $lastcourse) {
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$courses[$courseid->id] = $DB->get_record('course', array('id'=> $courseid->id));
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}
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$i++;
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}
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$totalcount = count($courseids);
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}
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else {
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$totalcount = 0;
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}
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} else if (!empty($searchterm)) {
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// Donot do search for empty search request.
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$courses = get_courses_search($searchterms, "fullname ASC", $page, $perpage, $totalcount);
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}
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$searchform = '';
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// Turn editing should be visible if user have system or category level capability
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if (!empty($courses) && (can_edit_in_category() || !empty($usercatlist))) {
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if ($PAGE->user_is_editing()) {
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$string = new lang_string("turneditingoff");
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$edit = "off";
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} else {
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$string = new lang_string("turneditingon");
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$edit = "on";
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}
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$params = array_merge($urlparams, array('sesskey' => sesskey(), 'edit' => $edit));
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$aurl = new moodle_url("$CFG->wwwroot/course/search.php", $params);
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$searchform = $OUTPUT->single_button($aurl, $string, 'get');
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} else {
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$searchform = print_course_search($search, true, "navbar");
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}
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$PAGE->navbar->add($strcourses, new moodle_url('/course/index.php'));
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$PAGE->navbar->add($strsearch, new moodle_url('/course/search.php'));
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if (!empty($search)) {
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$PAGE->navbar->add(s($search));
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}
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$PAGE->set_title("$site->fullname : $strsearchresults");
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$PAGE->set_heading($site->fullname);
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$PAGE->set_button($searchform);
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echo $OUTPUT->header();
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$lastcategory = -1;
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if ($courses) {
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echo $OUTPUT->heading("$strsearchresults: $totalcount");
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$encodedsearch = urlencode($search);
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// add the module/block parameter to the paging bar if they exists
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$modulelink = "";
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if (!empty($modulelist) and confirm_sesskey()) {
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$modulelink = "&modulelist=".$modulelist."&sesskey=".sesskey();
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} else if (!empty($blocklist) and confirm_sesskey()) {
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$modulelink = "&blocklist=".$blocklist."&sesskey=".sesskey();
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}
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print_navigation_bar($totalcount, $page, $perpage, $encodedsearch, $modulelink);
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// Show list of courses
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if (!$adminediting) { //Not editing mode
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foreach ($courses as $course) {
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// front page don't belong to any category and block can exist.
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if ($course->category > 0) {
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$course->summary .= "<br /><p class=\"category\">";
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$course->summary .= "$strcategory: <a href=\"category.php?id=$course->category\">";
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$course->summary .= $displaylist[$course->category];
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$course->summary .= "</a></p>";
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}
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print_course($course, $search);
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echo $OUTPUT->spacer(array('height'=>5, 'width'=>5, 'br'=>true)); // should be done with CSS instead
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}
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} else {
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// Editing mode
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echo "<form id=\"movecourses\" action=\"search.php\" method=\"post\">\n";
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echo "<div><input type=\"hidden\" name=\"sesskey\" value=\"".sesskey()."\" />\n";
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echo "<input type=\"hidden\" name=\"search\" value=\"".s($search)."\" />\n";
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echo "<input type=\"hidden\" name=\"page\" value=\"$page\" />\n";
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echo "<input type=\"hidden\" name=\"perpage\" value=\"$perpage\" /></div>\n";
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if (!empty($modulelist) and confirm_sesskey()) {
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echo "<input type=\"hidden\" name=\"modulelist\" value=\"$modulelist\" /></div>\n";
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} else if (!empty($blocklist) and confirm_sesskey()) {
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echo "<input type=\"hidden\" name=\"blocklist\" value=\"$blocklist\" /></div>\n";
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}
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echo "<table border=\"0\" cellspacing=\"2\" cellpadding=\"4\" class=\"generalbox boxaligncenter\">\n<tr>\n";
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echo "<th scope=\"col\">$strcourses</th>\n";
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echo "<th scope=\"col\">$strcategory</th>\n";
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echo "<th scope=\"col\">$strselect</th>\n";
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echo "<th scope=\"col\">$stredit</th></tr>\n";
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foreach ($courses as $course) {
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$coursecontext = context_course::instance($course->id);
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$linkcss = $course->visible ? "" : " class=\"dimmed\" ";
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// are we displaying the front page (courseid=1)?
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if ($course->id == 1) {
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echo "<tr>\n";
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echo "<td><a href=\"$CFG->wwwroot\">$strfrontpage</a></td>\n";
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// can't do anything else with the front page
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echo " <td> </td>\n"; // category place
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echo " <td> </td>\n"; // select place
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echo " <td> </td>\n"; // edit place
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echo "</tr>\n";
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continue;
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}
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echo "<tr>\n";
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echo "<td><a $linkcss href=\"view.php?id=$course->id\">"
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. highlight($search, format_string($course->fullname)) . "</a></td>\n";
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echo "<td>".$displaylist[$course->category]."</td>\n";
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echo "<td>\n";
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// If user has all required capabilities to move course then show selectable checkbox
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if (has_all_capabilities($capabilities, $coursecontext)) {
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echo "<input type=\"checkbox\" name=\"c$course->id\" />\n";
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} else {
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echo "<input type=\"checkbox\" name=\"c$course->id\" disabled=\"disabled\" />\n";
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}
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echo "</td>\n";
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echo "<td>\n";
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// checks whether user can update course settings
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if (has_capability('moodle/course:update', $coursecontext)) {
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echo "<a title=\"".get_string("settings")."\" href=\"$CFG->wwwroot/course/edit.php?id=$course->id\">\n<img".
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" src=\"" . $OUTPUT->pix_url('t/edit') . "\" class=\"iconsmall\" alt=\"".get_string("settings")."\" /></a>\n ";
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}
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// checks whether user can do role assignment
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if (has_capability('moodle/course:enrolreview', $coursecontext)) {
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echo'<a title="'.get_string('enrolledusers', 'enrol').'" href="'.$CFG->wwwroot.'/enrol/users.php?id='.$course->id.'">';
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echo '<img src="'.$OUTPUT->pix_url('i/enrolusers') . '" class="iconsmall" alt="'.get_string('enrolledusers', 'enrol').'" /></a> ' . "\n";
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}
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// checks whether user can delete course
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if (has_capability('moodle/course:delete', $coursecontext)) {
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echo "<a title=\"".get_string("delete")."\" href=\"delete.php?id=$course->id\">\n<img".
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" src=\"" . $OUTPUT->pix_url('t/delete') . "\" class=\"iconsmall\" alt=\"".get_string("delete")."\" /></a>\n ";
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}
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// checks whether user can change visibility
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if (has_capability('moodle/course:visibility', $coursecontext)) {
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if (!empty($course->visible)) {
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echo "<a title=\"".get_string("hide")."\" href=\"search.php?search=$encodedsearch&perpage=$perpage&page=$page&hide=$course->id&sesskey=".sesskey()."\">\n<img".
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" src=\"" . $OUTPUT->pix_url('t/hide') . "\" class=\"iconsmall\" alt=\"".get_string("hide")."\" /></a>\n ";
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} else {
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echo "<a title=\"".get_string("show")."\" href=\"search.php?search=$encodedsearch&perpage=$perpage&page=$page&show=$course->id&sesskey=".sesskey()."\">\n<img".
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" src=\"" . $OUTPUT->pix_url('t/show') . "\" class=\"iconsmall\" alt=\"".get_string("show")."\" /></a>\n ";
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}
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}
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// checks whether user can do site backup
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if (has_capability('moodle/backup:backupcourse', $coursecontext)) {
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$backupurl = new moodle_url('/backup/backup.php', array('id' => $course->id));
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echo "<a title=\"".get_string("backup")."\" href=\"".$backupurl."\">\n<img".
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" src=\"" . $OUTPUT->pix_url('t/backup') . "\" class=\"iconsmall\" alt=\"".get_string("backup")."\" /></a>\n ";
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}
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// checks whether user can do restore
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if (has_capability('moodle/restore:restorecourse', $coursecontext)) {
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$restoreurl = new moodle_url('/backup/restorefile.php', array('contextid' => $coursecontext->id));
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echo "<a title=\"".get_string("restore")."\" href=\"".$restoreurl."\">\n<img".
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" src=\"" . $OUTPUT->pix_url('t/restore') . "\" class=\"iconsmall\" alt=\"".get_string("restore")."\" /></a>\n ";
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}
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echo "</td>\n</tr>\n";
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}
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echo "<tr>\n<td colspan=\"4\" style=\"text-align:center\">\n";
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echo "<br />";
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echo "<input type=\"button\" onclick=\"checkall()\" value=\"$strselectall\" />\n";
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echo "<input type=\"button\" onclick=\"checknone()\" value=\"$strdeselectall\" />\n";
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// Select box should only show categories in which user has min capability to move course.
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echo html_writer::label(get_string('moveselectedcoursesto'), 'movetoid', false, array('class' => 'accesshide'));
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echo html_writer::select($usercatlist, 'moveto', '', array(''=>get_string('moveselectedcoursesto')), array('id'=>'movetoid', 'class' => 'autosubmit'));
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$PAGE->requires->yui_module('moodle-core-formautosubmit',
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'M.core.init_formautosubmit',
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array(array('selectid' => 'movetoid', 'nothing' => false))
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);
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echo "</td>\n</tr>\n";
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echo "</table>\n</form>";
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}
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print_navigation_bar($totalcount,$page,$perpage,$encodedsearch,$modulelink);
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} else {
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if (!empty($search)) {
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echo $OUTPUT->heading(get_string("nocoursesfound",'', s($search)));
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}
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else {
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echo $OUTPUT->heading($strnovalidcourses);
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}
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}
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echo "<br /><br />";
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print_course_search($search);
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echo $OUTPUT->footer();
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/**
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* Print a list navigation bar
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* Display page numbers, and a link for displaying all entries
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* @param int $totalcount number of entry to display
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* @param int $page page number
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* @param int $perpage number of entry per page
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* @param string $encodedsearch
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* @param string $modulelink module name
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*/
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function print_navigation_bar($totalcount, $page, $perpage, $encodedsearch, $modulelink) {
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global $OUTPUT;
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echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "search.php?search=$encodedsearch".$modulelink."&perpage=$perpage");
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// display
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if ($perpage != 99999 && $totalcount > $perpage) {
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echo "<center><p>";
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echo "<a href=\"search.php?search=$encodedsearch".$modulelink."&perpage=99999\">".get_string("showall", "", $totalcount)."</a>";
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echo "</p></center>";
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} else if ($perpage === 99999) {
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$defaultperpage = 10;
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// If user has course:create or category:manage capability the show 30 records.
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$capabilities = array('moodle/course:create', 'moodle/category:manage');
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if (has_any_capability($capabilities, context_system::instance())) {
|
|
$defaultperpage = 30;
|
|
}
|
|
|
|
echo "<center><p>";
|
|
echo "<a href=\"search.php?search=$encodedsearch".$modulelink."&perpage=".$defaultperpage."\">".get_string("showperpage", "", $defaultperpage)."</a>";
|
|
echo "</p></center>";
|
|
}
|
|
}
|