mirror of
https://github.com/moodle/moodle.git
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93 lines
3.2 KiB
PHP
93 lines
3.2 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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* Resource module version information
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*
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* @package mod-resource
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* @copyright 2009 Petr Skoda (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($CFG->dirroot.'/mod/resource/locallib.php');
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$id = optional_param('id', 0, PARAM_INT); // Course Module ID
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$r = optional_param('r', 0, PARAM_INT); // Resource instance ID
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$redirect = optional_param('redirect', 0, PARAM_BOOL);
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if ($r) {
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if (!$resource = $DB->get_record('resource', array('id'=>$r))) {
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resource_redirect_if_migrated($r, 0);
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print_error('invalidaccessparameter');
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}
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$cm = get_coursemodule_from_instance('resource', $resource->id, $resource->course, false, MUST_EXIST);
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} else {
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if (!$cm = get_coursemodule_from_id('resource', $id)) {
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resource_redirect_if_migrated(0, $id);
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print_error('invalidcoursemodule');
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}
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$resource = $DB->get_record('resource', array('id'=>$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 = get_context_instance(CONTEXT_MODULE, $cm->id);
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add_to_log($course->id, 'resource', 'view', 'view.php?id='.$cm->id, $resource->id, $cm->id);
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// Update 'viewed' state if required by completion system
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$completion = new completion_info($course);
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$completion->set_module_viewed($cm);
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$PAGE->set_url('/mod/resource/view.php', array('id' => $cm->id));
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if ($resource->tobemigrated) {
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resource_print_tobemigrated($resource, $cm, $course);
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die;
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}
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$fs = get_file_storage();
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$pathnamehash = sha1($context->id.'resource_content0'.$resource->mainfile);
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if (!$file = $fs->get_file_by_hash($pathnamehash)) {
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resource_print_filenotfound($resource, $cm, $course);
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die;
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}
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if ($redirect) {
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// coming from course page or url index page
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// this redirect trick solves caching problems when tracking views ;-)
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$path = '/'.$context->id.'/resource_content/'.$resource->revision.$file->get_filepath().$file->get_filename();
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$fullurl = file_encode_url($CFG->wwwroot.'/pluginfile.php', $path, false);
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redirect($fullurl);
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}
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switch (resource_get_final_display_type($resource)) {
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case RESOURCELIB_DISPLAY_EMBED:
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resource_display_embed($resource, $cm, $course, $file);
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break;
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case RESOURCELIB_DISPLAY_FRAME:
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resource_display_frame($resource, $cm, $course, $file);
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break;
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default:
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resource_print_workaround($resource, $cm, $course, $file);
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break;
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}
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