%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/* For licensing terms, see /license.txt */
/**
* Hook to limit session resubscriptions.
*
* @author Imanol Losada Oriol <imanol.losada@beeznest.com>
*
* @package chamilo.plugin.resubscription
*/
class HookResubscription extends HookObserver implements HookResubscribeObserverInterface
{
/**
* Class constructor.
*/
public function __construct()
{
parent::__construct(
'plugin/resubscription/src/Resubscription.php',
'resubscription'
);
}
/**
* Limit session resubscription when a Chamilo user is resubscribed to a session.
*
* @param HookCreateUserEventInterface $hook The hook
*/
public function hookResubscribe(HookResubscribeEventInterface $hook)
{
$data = $hook->getEventData();
if ($data['type'] === HOOK_EVENT_TYPE_PRE) {
$resubscriptionLimit = Resubscription::create()->get('resubscription_limit');
// Initialize variables as a calendar year by default
$limitDateFormat = 'Y-01-01';
$limitDate = gmdate($limitDateFormat);
$resubscriptionOffset = "1 year";
// No need to use a 'switch' with only two options so an 'if' is enough.
// However this could change if the number of options increases
if ($resubscriptionLimit === 'natural_year') {
$limitDateFormat = 'Y-m-d';
$limitDate = gmdate($limitDateFormat);
$limitDate = gmdate($limitDateFormat, strtotime("$limitDate -$resubscriptionOffset"));
}
$join = " INNER JOIN ".Database::get_main_table(TABLE_MAIN_SESSION)." s ON s.id = su.session_id";
// User sessions and courses
$userSessions = Database::select(
'su.session_id, s.access_end_date',
Database::get_main_table(TABLE_MAIN_SESSION_USER).' su '.$join,
[
'where' => [
'su.user_id = ? AND s.access_end_date >= ?' => [
api_get_user_id(),
$limitDate,
],
],
'order' => 'access_end_date DESC',
]
);
$userSessionCourses = [];
foreach ($userSessions as $userSession) {
$userSessionCourseResult = Database::select(
'c_id',
Database::get_main_table(TABLE_MAIN_SESSION_COURSE),
[
'where' => [
'session_id = ?' => [
$userSession['session_id'],
],
],
]
);
foreach ($userSessionCourseResult as $userSessionCourse) {
if (!isset($userSessionCourses[$userSessionCourse['c_id']])) {
$userSessionCourses[$userSessionCourse['c_id']] = $userSession['access_end_date'];
}
}
}
// Current session and courses
$currentSessionCourseResult = Database::select(
'c_id',
Database::get_main_table(TABLE_MAIN_SESSION_COURSE),
[
'where' => [
'session_id = ?' => [
$data['session_id'],
],
],
]
);
// Check if current course code matches with one of the users
foreach ($currentSessionCourseResult as $currentSessionCourse) {
if (isset($userSessionCourses[$currentSessionCourse['c_id']])) {
$endDate = $userSessionCourses[$currentSessionCourse['c_id']];
$resubscriptionDate = gmdate($limitDateFormat, strtotime($endDate." +$resubscriptionOffset"));
$icon = Display::return_icon('students.gif', get_lang('Student'));
$canResubscribeFrom = sprintf(
get_plugin_lang('CanResubscribeFromX', 'resubscription'),
$resubscriptionDate
);
throw new Exception(Display::label($icon.' '.$canResubscribeFrom, "info"));
}
}
}
}
}
Zerion Mini Shell 1.0