Current File : /opt/bitnami/apps/moodle/htdocs/blocks__d9c9c01/selectrss/classes/util.php
<?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/>.
/**
* Utility class implementation.
*
* File util.php
* Encoding UTF-8
* @copyright Sebsoft.nl
* @author R.J. van Dongen <rogier@sebsoft.nl>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace block_selectrss;
defined('MOODLE_INTERNAL') || die;
/**
* block_selectrss\util
*
* @package block_selectrss
*
* @copyright Sebsoft.nl
* @author Mike Uding <mike@sebsoft.nl>
* @author R.J. van Dongen <rogier@sebsoft.nl>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*
*/
class util {
/**
* Clean feeds.
*/
public static function clean_feeds() {
global $DB;
// Remove old records.
$timestamp = time() - (int)get_config('block_selectrss', 'autocleanafter');
$DB->delete_records_select('block_selectrss', 'timecreated < ?', array($timestamp));
// If we have MORE than max_keep_items, remove those as well.
$maxkeepitems = (int)get_config('block_selectrss', 'max_keep_items');
if ($maxkeepitems > 0) {
$blockids = $DB->get_fieldset_sql('SELECT blockid FROM {block_selectrss} GROUP BY blockid');
foreach ($blockids as $blockid) {
// We only clean out published items.
$where = 'blockid = ? AND publish = ? ORDER BY publish DESC, itemtime DESC';
$idlist = $DB->get_fieldset_select('block_selectrss', 'id', $where, array($blockid, 1));
// If count exceeds max items to keep, remove them.
if (count($idlist) > $maxkeepitems) {
$idstoremove = array_slice($idlist, $maxkeepitems);
$DB->delete_records_list('block_selectrss', 'id', $idstoremove);
}
}
}
}
/**
* synchronizes feeds
*/
public static function synchronize_feeds() {
global $DB, $CFG;
require_once($CFG->libdir . '/simplepie/moodle_simplepie.php');
// ...
$instances = $DB->get_records('block_instances', array('blockname' => 'selectrss'));
$notifyadmin = false;
foreach ($instances as $instance) {
// Unencode config.
$instance->configdata = unserialize(base64_decode($instance->configdata));
// Rss feeds zit in rss_feeds.
$rss = new \moodle_simplepie;
// LOAD FEEDS.
$rss->set_feed_url($instance->configdata->rss_feeds);
$rss->init();
$n = 0;
// PROCESS FEEDS.
foreach ($rss->get_items() as $key => $item) {
// We'll only insert if the record does *not* exist yet.
$record = $DB->get_record('block_selectrss', array('url' => $item->get_permalink()));
if (!$record) {
$n++;
self::add_feed_item($item, $instance->configdata->default_publish, $instance->id);
if (!(bool)$instance->configdata->default_publish) {
$notifyadmin = true;
}
}
}
}
// If complete, notify ADMIN.
if ($notifyadmin) {
$supportuser = \core_user::get_support_user();
$recipient = get_admin();
$a = new \stdClass();
$a->sitename = get_site()->fullname;
$a->siteurl = $CFG->wwwroot;
$a->from = fullname($supportuser);
$a->fullname = fullname($recipient);
$messagehtml = get_string('messagehtml', 'block_selectrss', $a);
$messagetext = format_text_email($messagehtml, FORMAT_HTML);
$subject = get_string('messagesubject', 'block_selectrss', $n);
email_to_user($recipient, $supportuser, $subject, $messagetext, $messagehtml);
}
}
/**
* Removes all feed items, given a block id.
*
* @param int $blockid blockid or 0 to remove all.
* @return void
*/
public static function remove_feeds($blockid = 0) {
global $DB;
if ($blockid > 0) {
$DB->delete_records('block_selectrss', array('blockid' => $blockid));
} else {
$DB->delete_records('block_selectrss');
}
}
/**
* Add a feed item to a block.
*
* @param \SimplePie_Item $item simple pie item
* @param int $publish 0 means not published, 1 means published
* @param int $blockid block instance id
* @return void
*/
public static function add_feed_item($item, $publish, $blockid) {
global $DB;
$record = new \stdClass();
$record->url = $item->get_permalink();
$record->title = $item->get_title();
$record->content = $item->get_content();
$record->publish = $publish;
$record->itemdate = $item->get_date();
$record->itemtime = $item->get_date('U');
$record->blockid = $blockid;
$record->exist = md5($record->url);
$record->timecreated = time();
$record->timemodified = $record->timecreated;
return $DB->insert_record('block_selectrss', $record, true);
}
/**
* Format a self-removing message
*
* @param string $message
*/
public static function format_message($message) {
echo '<div id="block-selectrss-message">' . $message . '</div><script>'
. 'setTimeout(function(){var el = document.getElementById(\'block-selectrss-message\');'
. 'el.parentNode.removeChild(el);}, 3000);'
. '</script>';
}
}
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