Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * Script to let a user view the output of a particular RSS feed.

 *

 * @package   block_rss_client

 * @copyright 2009 Tim Hunt

 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

require_once(__DIR__ . '/../../config.php');

require_once($CFG->libdir .'/simplepie/moodle_simplepie.php');

require_login();

$returnurl = optional_param('returnurl', '', PARAM_LOCALURL);

$courseid = optional_param('courseid', 0, PARAM_INT);

$rssid = required_param('rssid', PARAM_INT);

if ($courseid = SITEID) {

    $courseid = 0;

}

if ($courseid) {

    $course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);

    $PAGE->set_course($course);

    $context = $PAGE->context;

} else {

    $context = context_system::instance();

    $PAGE->set_context($context);

}

$managesharedfeeds = has_capability('block/rss_client:manageanyfeeds', $context);

if (!$managesharedfeeds) {

    require_capability('block/rss_client:manageownfeeds', $context);

}

$urlparams = array('rssid' => $rssid);

if ($courseid) {

    $urlparams['courseid'] = $courseid;

}

if ($returnurl) {

    $urlparams['returnurl'] = $returnurl;

}

$PAGE->set_url('/blocks/rss_client/viewfeed.php', $urlparams);

$PAGE->set_pagelayout('popup');

if ($managesharedfeeds) {

    $select = 'id = :id AND (userid = :userid OR shared = 1)';

} else {

    $select = 'id = :id AND userid = :userid';

}

$rssrecord = $DB->get_record_select('block_rss_client', $select, [

    'id' => $rssid,

    'userid' => $USER->id,

], '*', MUST_EXIST);

$rss = new moodle_simplepie($rssrecord->url);

if ($rss->error()) {

    debugging($rss->error());

    throw new \moodle_exception('errorfetchingrssfeed');

}

$strviewfeed = get_string('viewfeed', 'block_rss_client');

$PAGE->set_title($strviewfeed);

$PAGE->set_heading($strviewfeed);

$managefeeds = new moodle_url('/blocks/rss_client/managefeeds.php', $urlparams);

$PAGE->navbar->add(get_string('blocks'));

$PAGE->navbar->add(get_string('pluginname', 'block_rss_client'));

$PAGE->navbar->add(get_string('managefeeds', 'block_rss_client'), $managefeeds);

$PAGE->navbar->add($strviewfeed);

echo $OUTPUT->header();

if (!empty($rssrecord->preferredtitle)) {

    $feedtitle = $rssrecord->preferredtitle;

} else {

    $feedtitle =  $rss->get_title();

}

echo '<table align="center" width="50%" cellspacing="1">'."\n";

echo '<tr><td colspan="2"><strong>'. s($feedtitle) .'</strong></td></tr>'."\n";

foreach ($rss->get_items() as $item) {

    echo '<tr><td valign="middle">'."\n";

    echo '<a href="'.$item->get_link().'" target="_blank"><strong>';

    echo s($item->get_title());

    echo '</strong></a>'."\n";

    echo '</td>'."\n";

    echo '</tr>'."\n";

    echo '<tr><td colspan="2"><small>';

    echo format_text($item->get_description(), FORMAT_HTML) .'</small></td></tr>'."\n";

}

echo '</table>'."\n";

echo $OUTPUT->footer();