Actualización
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112
plugin/resubscription/src/HookResubscription.php
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112
plugin/resubscription/src/HookResubscription.php
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<?php
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/* For licensing terms, see /license.txt */
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/**
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* Hook to limit session resubscriptions.
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*
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* @author Imanol Losada Oriol <imanol.losada@beeznest.com>
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*
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* @package chamilo.plugin.resubscription
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*/
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class HookResubscription extends HookObserver implements HookResubscribeObserverInterface
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{
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/**
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* Class constructor.
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*/
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public function __construct()
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{
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parent::__construct(
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'plugin/resubscription/src/Resubscription.php',
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'resubscription'
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);
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}
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/**
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* Limit session resubscription when a Chamilo user is resubscribed to a session.
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*
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* @param HookCreateUserEventInterface $hook The hook
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*/
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public function hookResubscribe(HookResubscribeEventInterface $hook)
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{
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$data = $hook->getEventData();
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if ($data['type'] === HOOK_EVENT_TYPE_PRE) {
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$resubscriptionLimit = Resubscription::create()->get('resubscription_limit');
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// Initialize variables as a calendar year by default
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$limitDateFormat = 'Y-01-01';
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$limitDate = gmdate($limitDateFormat);
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$resubscriptionOffset = "1 year";
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// No need to use a 'switch' with only two options so an 'if' is enough.
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// However this could change if the number of options increases
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if ($resubscriptionLimit === 'natural_year') {
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$limitDateFormat = 'Y-m-d';
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$limitDate = gmdate($limitDateFormat);
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$limitDate = gmdate($limitDateFormat, strtotime("$limitDate -$resubscriptionOffset"));
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}
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$join = " INNER JOIN ".Database::get_main_table(TABLE_MAIN_SESSION)." s ON s.id = su.session_id";
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// User sessions and courses
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$userSessions = Database::select(
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'su.session_id, s.access_end_date',
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Database::get_main_table(TABLE_MAIN_SESSION_USER).' su '.$join,
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[
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'where' => [
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'su.user_id = ? AND s.access_end_date >= ?' => [
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api_get_user_id(),
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$limitDate,
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],
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],
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'order' => 'access_end_date DESC',
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]
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);
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$userSessionCourses = [];
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foreach ($userSessions as $userSession) {
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$userSessionCourseResult = Database::select(
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'c_id',
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Database::get_main_table(TABLE_MAIN_SESSION_COURSE),
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[
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'where' => [
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'session_id = ?' => [
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$userSession['session_id'],
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],
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],
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]
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);
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foreach ($userSessionCourseResult as $userSessionCourse) {
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if (!isset($userSessionCourses[$userSessionCourse['c_id']])) {
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$userSessionCourses[$userSessionCourse['c_id']] = $userSession['access_end_date'];
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}
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}
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}
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// Current session and courses
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$currentSessionCourseResult = Database::select(
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'c_id',
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Database::get_main_table(TABLE_MAIN_SESSION_COURSE),
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[
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'where' => [
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'session_id = ?' => [
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$data['session_id'],
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],
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],
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]
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);
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// Check if current course code matches with one of the users
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foreach ($currentSessionCourseResult as $currentSessionCourse) {
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if (isset($userSessionCourses[$currentSessionCourse['c_id']])) {
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$endDate = $userSessionCourses[$currentSessionCourse['c_id']];
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$resubscriptionDate = gmdate($limitDateFormat, strtotime($endDate." +$resubscriptionOffset"));
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$icon = Display::return_icon('students.gif', get_lang('Student'));
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$canResubscribeFrom = sprintf(
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get_plugin_lang('CanResubscribeFromX', 'resubscription'),
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$resubscriptionDate
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);
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throw new Exception(Display::label($icon.' '.$canResubscribeFrom, "info"));
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}
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}
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}
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}
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}
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78
plugin/resubscription/src/Resubscription.php
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78
plugin/resubscription/src/Resubscription.php
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@@ -0,0 +1,78 @@
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<?php
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/* For licensing terms, see /license.txt */
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/**
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* Limit session resubscriptions.
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*
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* @author Imanol Losada Oriol <imanol.losada@beeznest.com>
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*
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* @package chamilo.plugin.resubscription
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*/
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class Resubscription extends Plugin implements HookPluginInterface
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{
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/**
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* Class constructor.
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*/
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protected function __construct()
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{
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$options = [
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'calendar_year' => get_lang('CalendarYear'),
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'natural_year' => get_lang('NaturalYear'),
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];
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$parameters = [
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'resubscription_limit' => [
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'type' => 'select',
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'options' => $options,
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],
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];
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parent::__construct('0.1', 'Imanol Losada Oriol', $parameters);
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}
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/**
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* Instance the plugin.
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*
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* @staticvar null $result
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*
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* @return Resubscription
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*/
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public static function create()
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{
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static $result = null;
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return $result ? $result : $result = new self();
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}
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/**
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* Install the plugin.
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*/
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public function install()
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{
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$this->installHook();
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}
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/**
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* Uninstall the plugin.
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*/
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public function uninstall()
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{
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$this->uninstallHook();
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}
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/**
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* Install the Resubscription hook.
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*/
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public function installHook()
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{
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$hook = HookResubscription::create();
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HookResubscribe::create()->attach($hook);
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}
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/**
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* Uninstall the Resubscription hook.
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*/
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public function uninstallHook()
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{
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$hook = HookResubscription::create();
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HookResubscribe::create()->detach($hook);
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}
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}
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