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main/cron/remind_course_expiration.php
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170
main/cron/remind_course_expiration.php
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<?php
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/* For licensing terms, see /license.txt */
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/**
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* Course expiration reminder.
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*
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* @package chamilo.cron
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*
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* @author Imanol Losada <imanol.losada@beeznest.com>
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*/
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require_once __DIR__.'/../inc/global.inc.php';
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/**
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* Initialization.
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*/
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if (php_sapi_name() != 'cli') {
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exit; //do not run from browser
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}
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$isActive = api_get_setting('cron_remind_course_expiration_activate') === 'true';
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if (!$isActive) {
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exit;
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}
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$frequency = api_get_setting('cron_remind_course_expiration_frequency');
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// Days before expiration date to send reminders
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$today = gmdate("Y-m-d");
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$expirationDate = gmdate("Y-m-d", strtotime("$today + $frequency day"));
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$gradebookTable = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY);
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$certificateTable = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CERTIFICATE);
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$sessionTable = Database::get_main_table(TABLE_MAIN_SESSION);
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$sessionUserTable = Database::get_main_table(TABLE_MAIN_SESSION_USER);
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$query = "
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SELECT DISTINCT category.session_id, certificate.user_id
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FROM $gradebookTable AS category
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LEFT JOIN $certificateTable AS certificate
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ON category.id = certificate.cat_id
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INNER JOIN $sessionTable AS session
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ON category.session_id = session.id
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WHERE
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session.access_end_date BETWEEN '$today' AND
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'$expirationDate' AND
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category.session_id IS NOT NULL";
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$sessionId = 0;
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$userIds = [];
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$sessions = [];
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$result = Database::query($query);
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$urlSessionTable = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
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$urlTable = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
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while ($row = Database::fetch_array($result)) {
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if ($sessionId != $row['session_id']) {
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$sessionId = $row['session_id'];
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$userIds = [];
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}
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if (!is_null($row['user_id'])) {
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array_push($userIds, $row['user_id']);
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}
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$sessions[$sessionId] = $userIds;
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}
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$usersToBeReminded = [];
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foreach ($sessions as $sessionId => $userIds) {
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$userId = 0;
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$userIds = $userIds ? " AND sessionUser.user_id NOT IN (".implode(", ", $userIds).")" : null;
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$query = "
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SELECT sessionUser.session_id, sessionUser.user_id, session.name, session.access_end_date
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FROM $sessionUserTable AS sessionUser
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INNER JOIN $sessionTable AS session
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ON sessionUser.session_id = session.id
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WHERE
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session_id = $sessionId$userIds";
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$result = Database::query($query);
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while ($row = Database::fetch_array($result)) {
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$usersToBeReminded[$row['user_id']][$row['session_id']] = [
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'name' => $row['name'],
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'access_end_date' => $row['access_end_date'],
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];
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}
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}
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if ($usersToBeReminded) {
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$today = date_create($today);
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$administrator = [
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'completeName' => api_get_person_name(
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api_get_setting("administratorName"),
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api_get_setting("administratorSurname"),
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null,
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PERSON_NAME_EMAIL_ADDRESS
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),
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'email' => api_get_setting("emailAdministrator"),
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];
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echo "\n======================================================================\n\n";
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foreach ($usersToBeReminded as $userId => $sessions) {
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$user = api_get_user_info($userId);
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$userCompleteName = api_get_person_name(
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$user['firstname'],
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$user['lastname'],
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null,
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PERSON_NAME_EMAIL_ADDRESS
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);
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foreach ($sessions as $sessionId => $session) {
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$daysRemaining = date_diff($today, date_create($session['access_end_date']));
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$join = " INNER JOIN $urlSessionTable ON id = access_url_id";
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$result = Database::select(
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'url',
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"$urlTable $join",
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[
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'where' => [
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'session_id = ?' => [
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$sessionId,
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],
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],
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'limit' => '1',
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]
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);
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$subjectTemplate = new Template(null, false, false, false, false, false);
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$subjectTemplate->assign('session_name', $session['name']);
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$subjectTemplate->assign(
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'session_access_end_date',
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$session['access_end_date']
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);
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$subjectTemplate->assign(
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'remaining_days',
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$daysRemaining->format("%d")
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);
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$subjectLayout = $subjectTemplate->get_template(
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'mail/cron_remind_course_expiration_subject.tpl'
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);
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$bodyTemplate = new Template(null, false, false, false, false, false);
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$bodyTemplate->assign('complete_user_name', $userCompleteName);
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$bodyTemplate->assign('session_name', $session['name']);
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$bodyTemplate->assign(
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'session_access_end_date',
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$session['access_end_date']
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);
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$bodyTemplate->assign(
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'remaining_days',
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$daysRemaining->format("%d")
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);
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$bodyLayout = $bodyTemplate->get_template(
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'mail/cron_remind_course_expiration_body.tpl'
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);
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api_mail_html(
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$userCompleteName,
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$user['email'],
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$subjectTemplate->fetch($subjectLayout),
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$bodyTemplate->fetch($bodyLayout),
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$administrator['completeName'],
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$administrator['email']
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);
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echo "Email sent to $userCompleteName (".$user['email'].")\n";
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echo "Session: ".$session['name']."\n";
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echo "Date end: ".$session['access_end_date']."\n";
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echo "Days remaining: ".$daysRemaining->format("%d")."\n\n";
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}
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echo "======================================================================\n\n";
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}
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} else {
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echo "No users to be reminded\n";
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}
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