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108 lines
4.1 KiB
108 lines
4.1 KiB
2 years ago
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<?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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* URL module main user interface
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*
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* @package mod_url
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* @copyright 2009 Petr Skoda {@link http://skodak.org}
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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('../../config.php');
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require_once("$CFG->dirroot/mod/url/lib.php");
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require_once("$CFG->dirroot/mod/url/locallib.php");
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require_once($CFG->libdir . '/completionlib.php');
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$id = optional_param('id', 0, PARAM_INT); // Course module ID
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$u = optional_param('u', 0, PARAM_INT); // URL instance id
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$redirect = optional_param('redirect', 0, PARAM_BOOL);
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$forceview = optional_param('forceview', 0, PARAM_BOOL);
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if ($u) { // Two ways to specify the module
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$url = $DB->get_record('url', array('id'=>$u), '*', MUST_EXIST);
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$cm = get_coursemodule_from_instance('url', $url->id, $url->course, false, MUST_EXIST);
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} else {
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$cm = get_coursemodule_from_id('url', $id, 0, false, MUST_EXIST);
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$url = $DB->get_record('url', array('id'=>$cm->instance), '*', MUST_EXIST);
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}
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$course = $DB->get_record('course', array('id'=>$cm->course), '*', MUST_EXIST);
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require_course_login($course, true, $cm);
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$context = context_module::instance($cm->id);
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require_capability('mod/url:view', $context);
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// Completion and trigger events.
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url_view($url, $course, $cm, $context);
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$PAGE->set_url('/mod/url/view.php', array('id' => $cm->id));
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// Make sure URL exists before generating output - some older sites may contain empty urls
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// Do not use PARAM_URL here, it is too strict and does not support general URIs!
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$exturl = trim($url->externalurl);
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if (empty($exturl) or $exturl === 'http://') {
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url_print_header($url, $cm, $course);
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url_print_heading($url, $cm, $course);
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url_print_intro($url, $cm, $course);
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notice(get_string('invalidstoredurl', 'url'), new moodle_url('/course/view.php', array('id'=>$cm->course)));
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die;
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}
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unset($exturl);
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$displaytype = url_get_final_display_type($url);
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if ($displaytype == RESOURCELIB_DISPLAY_OPEN) {
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$redirect = true;
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}
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if ($redirect && !$forceview) {
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// coming from course page or url index page,
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// the redirection is needed for completion tracking and logging
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$fullurl = str_replace('&', '&', url_get_full_url($url, $cm, $course));
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if (!course_get_format($course)->has_view_page()) {
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// If course format does not have a view page, add redirection delay with a link to the edit page.
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// Otherwise teacher is redirected to the external URL without any possibility to edit activity or course settings.
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$editurl = null;
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if (has_capability('moodle/course:manageactivities', $context)) {
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$editurl = new moodle_url('/course/modedit.php', array('update' => $cm->id));
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$edittext = get_string('editthisactivity');
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} else if (has_capability('moodle/course:update', $context->get_course_context())) {
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$editurl = new moodle_url('/course/edit.php', array('id' => $course->id));
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$edittext = get_string('editcoursesettings');
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}
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if ($editurl) {
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redirect($fullurl, html_writer::link($editurl, $edittext)."<br/>".
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get_string('pageshouldredirect'), 10);
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}
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}
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redirect($fullurl);
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}
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switch ($displaytype) {
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case RESOURCELIB_DISPLAY_EMBED:
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url_display_embed($url, $cm, $course);
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break;
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case RESOURCELIB_DISPLAY_FRAME:
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url_display_frame($url, $cm, $course);
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break;
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default:
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url_print_workaround($url, $cm, $course);
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break;
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}
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