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<?php |
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// ------------------------------------------------------------------------- |
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// OVIDENTIA http://www.ovidentia.org |
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// Ovidentia is free software; you can redistribute it and/or modify |
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// it under the terms of the GNU General Public License as published by |
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// the Free Software Foundation; either version 2, or (at your option) |
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// any later version. |
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// |
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// This program is distributed in the hope that it will be useful, but |
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// WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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// See the GNU General Public License for more details. |
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// |
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// You should have received a copy of the GNU General Public License |
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// along with this program; if not, write to the Free Software |
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// USA. |
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// ------------------------------------------------------------------------- |
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/** |
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* @license http://opensource.org/licenses/gpl-license.php GNU General Public License (GPL) |
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* @copyright Copyright (c) 2022 by SI4YOU ({@link https://www.siforyou.com}) |
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*/ |
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namespace Capwelton\LibApp\Ctrl; |
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/** |
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* This controller manages actions that can be performed on notifications |
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* |
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* @method Func_App App() |
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* @method self proxy() |
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*/ |
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class AppCtrlSSE extends AppController |
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{ |
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private $currentUser; |
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private $refreshFrequency; |
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public function server() |
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{ |
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session_write_close(); |
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header("Content-Type: text/event-stream"); |
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header('Cache-Control: no-cache'); |
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header('Connection: keep-alive'); |
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header('X-Accel-Buffering: no'); |
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$refreshFrequency = $this->getRefreshFrequency(); |
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while (1){ |
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if(connection_aborted()){ |
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exit(); |
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} |
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$data = $this->getSSEData(); |
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if($data != '{}'){ |
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echo "event: ping\n"; |
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echo "\n\n"; |
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echo 'data: ' . $this->getSSEData() . "\n\n"; |
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} |
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ob_end_flush(); |
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flush(); |
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sleep($refreshFrequency); |
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} |
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} |
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public function dummy() |
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{ |
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$App = $this->App(); |
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$notifSet = $App->NotificationSet(); |
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$dummy = $notifSet->newRecord(); |
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$dummy->title = 'Dummy title'; |
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$dummy->description = 'Lorem ipsum dolor sit amet, consectetur adisciping elit'; |
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$dummy->user = bab_getUserId(); |
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$dummy->save(); |
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$dummy->createSSENotification(); |
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} |
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private function getRefreshFrequency() |
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{ |
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if(! isset($this->refreshFrequency)){ |
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$registry = app_getRegistry(); |
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$registry->changeDirectory('configuration'); |
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$registry->changeDirectory('SSE'); |
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$this->refreshFrequency = $registry->getValue('refreshFrequency', 3); |
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} |
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return $this->refreshFrequency; |
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} |
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private function getSSEData() |
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{ |
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$SSESet = $this->getSSERecordSet(); |
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$currentUser = $this->getCurrentUser(); |
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return $SSESet->getSSEData($currentUser, true); |
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} |
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private function getCurrentUser() |
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{ |
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if(isset($this->currentUser)){ |
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return $this->currentUser; |
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} |
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$App = $this->App(); |
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$this->currentUser = $App->getCurrentUser(); |
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return $this->currentUser; |
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} |
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} |
In general, usage of exit should be done with care and only when running in a scripting context like a CLI script.