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<?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/>.
/**
* Recently accessed courses block installation.
*
* @package block_recentlyaccessedcourses
* @copyright 2018 Victor Deniz <victor@moodle.com> based on code from 2018 Ryan Wyllie <ryan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Add the Recently accessed courses block to the dashboard for all users by default
* when it is installed.
*/
function xmldb_block_recentlyaccessedcourses_install() {
global $DB;
if ($DB->count_records('block_instances') < 1) {
// Only add the recentlyaccessedcourses block if it's being installed on an existing site.
// For new sites it will be added by blocks_add_default_system_blocks().
return;
}
if ($defaultmypage = $DB->get_record('my_pages', array('userid' => null, 'name' => '__default', 'private' => 1))) {
$subpagepattern = $defaultmypage->id;
} else {
$subpagepattern = null;
}
$page = new moodle_page();
$systemcontext = context_system::instance();
$page->set_context($systemcontext);
// Add the block to the default /my.
$page->blocks->add_region('content');
$page->blocks->add_block('recentlyaccessedcourses', 'content', 0, false, 'my-index', $subpagepattern);
// Now we need to find all users that have viewed their dashboard because it'll have
// made duplicates of the default block_instances for them so they won't see the new
// recentlyaccessedcourses block without the admin resetting all of the dashboards.
//
// Instead we'll just add the recentlyaccessedcourses block to their dashboards here.
$sql = "SELECT parentcontextid, subpagepattern
FROM {block_instances}
WHERE pagetypepattern = 'my-index'
AND parentcontextid != ?";
$params = [$systemcontext->id];
$existingrecords = $DB->get_recordset_sql($sql, $params);
$blockinstances = [];
$seencontexts = [];
$now = time();
foreach ($existingrecords as $existingrecord) {
$parentcontextid = $existingrecord->parentcontextid;
if (isset($seencontexts[$parentcontextid])) {
// If we've seen this context already then skip it because we don't want
// to add duplicate recentlyaccessedcourses blocks to the same context. This happens
// if something funny is going on with the subpagepattern.
continue;
} else {
$seencontexts[$parentcontextid] = true;
}
$blockinstances[] = [
'blockname' => 'recentlyaccessedcourses',
'parentcontextid' => $parentcontextid,
'showinsubcontexts' => false,
'pagetypepattern' => 'my-index',
'subpagepattern' => $existingrecord->subpagepattern,
'defaultregion' => 'content',
'defaultweight' => 0,
'configdata' => '',
'timecreated' => $now,
'timemodified' => $now,
];
if (count($blockinstances) >= 1000) {
// Insert after every 1000 records so that the memory usage doesn't
// get out of control.
$DB->insert_records('block_instances', $blockinstances);
$blockinstances = [];
}
}
$existingrecords->close();
if (!empty($blockinstances)) {
// Insert what ever is left over.
$DB->insert_records('block_instances', $blockinstances);
}
}