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<?php
namespace JExtstore\Component\JChat\Site\Model;
/**
* @package JCHAT::components::com_jchat
* @subpackage models
* @author Joomla! Extensions Store
* @copyright (C) 2024 - Joomla! Extensions Store
* @license GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html
*/
defined( '_JEXEC' ) or die( 'Restricted access' );
use Joomla\CMS\Language\Text;
use Joomla\CMS\Factory;
use Joomla\CMS\MVC\Factory\MVCFactoryInterface;
use Joomla\CMS\Uri\Uri;
use JExtstore\Component\JChat\Administrator\Framework\Model as JChatModel;
use JExtstore\Component\JChat\Administrator\Framework\Helpers\Users as JChatHelpersUsers;
use JExtstore\Component\JChat\Administrator\Framework\Thumb\Factory as JChatThumbFactory;
use JExtstore\Component\JChat\Administrator\Framework\Exception\Exceptions;
/**
* Avatar manager model public responsibilities
*
* @package JCHAT::AVATAR::components::com_jchat
* @subpackage models
* @since 1.0
*/
interface IAvatarModel {
/**
* Create and return the current avatar thumbnail filename
*
* @access public
* @param string $extension2Append
* @return array Il path completo e soltanto il filename al file thumb avatar creato o da creare
*/
public function getAvatarThumbnailFileName($extension2Append = 'png');
}
/**
* Avatar manager
* @package JCHAT::AVATAR::components::com_jchat
* @subpackage models
* @since 1.0
*/
class AvatarModel extends JChatModel implements IAvatarModel {
use Exceptions;
/**
* Site URL
* @access private
* @var string
*/
private $siteurl;
/**
* User identifier here based on session id
* @access private
* @var int
*/
private $sessionId;
/**
* User identifier here based on user id
* @access private
* @var int
*/
private $userId;
/**
* @access private
* @var string
*/
private $userName;
/**
* @access private
* @var string
*/
private $avatarFolder;
/**
* @access private
* @static
* @var string
*/
private static $avatarFormat = 'png';
/**
* @access private
* @static
* @var string
*/
private static $avatarSubPath = '/images/avatars/';
/**
* @access private
* @param string $originalFilename
* @param string $thumbFilename
* @return boolean
*/
private function createThumbnail($originalFilename, $thumbFilename) {
$thumb = JChatThumbFactory::create($originalFilename);
// Selezione modo di resizing
switch ($this->componentParams->get('cropmode', 0)){
case '0':
$thumb->resize(50, 50);
break;
case '1':
$thumb->adaptiveResize(50, 50);
break;
}
$thumb->save($thumbFilename, 'png');
}
/**
* Create and return the current avatar thumbnail filename
*
* @access public
* @param string $extension2Append
* @return array Il path completo e soltanto il filename al file thumb avatar creato o da creare
*/
public function getAvatarThumbnailFileName($extension2Append = 'png') {
// Calculate in base all'md5 di id utente e username
$calculatedHash = $this->userId ? 'uidavatar_' . $this->userId : 'gsidavatar_' . $this->sessionId;
$finalName = $calculatedHash . '.' . $extension2Append;
$completePathName = $this->avatarFolder . '/' . $finalName;
$liveUrl = $this->siteurl . '/images/avatars';
return array($completePathName, $finalName, $liveUrl);
}
/**
* Store the avatar info
*
* @access public
* @param bool $updateNulls
* @return mixed
*/
public function storeEntity($updateNulls = false) {
// Recupera il file in upload
$tmpFile = $this->requestFilesName['newavatar']['tmp_name'];
$tmpFileName = $this->requestFilesName['newavatar']['name'];
// Nessun file inviato
if(!$tmpFile || !$tmpFileName) {
$msg = Text::_('COM_JCHAT_NOFILE_SELECTED');
$this->setException($msg);
return;
}
// Controlla se il file � inferiore alla dimensione massima, altrimenti interrompe con errore
$tmpFileSize = $this->requestFilesName['newavatar']['size'];
$allowedFileSize = $this->componentParams->get('maxfilesize', 2) * 1024 * 1024; // MB->Bytes
if($tmpFileSize > $allowedFileSize) {
$msg = Text::_('COM_JCHAT_SIZE_ERROR') . 'Max ' . $this->componentParams->get('maxfilesize', 2) . 'MB.';
$this->setException($msg);
return;
}
// Controlla se il file ha una estensione ammessa, altrimenti interrompe con errore
$allowedExtensions = explode(',', $this->componentParams->get('avatar_allowed_extensions', 'jpg,jpeg,png,gif'));
$tmpFileExtension = @array_pop(explode('.', $tmpFileName));
if(!in_array(strtolower($tmpFileExtension), $allowedExtensions)) {
$msg = Text::_('COM_JCHAT_EXT_ERROR') . $this->componentParams->get('avatar_allowed_extensions', 'jpg,jpeg,png,gif');
$this->setException($msg);
return;
}
// Controlla se la cartella target � scrivibile, altrimenti prova a settare i chmod, altrimenti interrompe con errore
if(!is_writable($this->avatarFolder)) {
// prova a amodificare i permessi
try {
if(!chmod($this->avatarFolder, 0775)) {
throw new \Exception( Text::_('COM_JCHAT_DIR_WRITABLE'));
}
} catch(\Exception $e) {
$msg = $e->getMessage();
$this->setException($msg);
return;
}
}
// Effettua la move uploaded file
if(!move_uploaded_file($tmpFile, $this->avatarFolder . '/' . $tmpFileName)) {
$msg = Text::_('COM_JCHAT_UPLOAD_ERROR');
$this->setException($msg);
return;
}
// Richiede la creazione di un hash filename per il thumbnail con format force a png
$thumbnailFileName = $this->getAvatarThumbnailFileName(self::$avatarFormat);
// Se esiste il file ripuliamo adesso; il file name � sempre univoco per utente anche il formato � forced a png
if(file_exists($thumbnailFileName[0])) {
unlink($thumbnailFileName[0]);
}
// Genera un thumbnail per l'immagine caricata
$this->createThumbnail($this->avatarFolder . '/' . $tmpFileName, $thumbnailFileName[0]);
// Elimina il file originale caricato
unlink ($this->avatarFolder . '/' . $tmpFileName);
// Richiama la showForms con user message
$msg = Text::_('COM_JCHAT_SUCCESS_AVATAR');
$this->setState('result', $msg);
}
/**
* @access public
* @return bool
*/
public function deleteEntity($ids = null): bool {
// Richiede la creazione di un hash filename per il thumbnail con format force a png
$thumbnailFileName = $this->getAvatarThumbnailFileName(self::$avatarFormat);
// Se esiste il file ripuliamo adesso; il file name � sempre univoco per utente anche il formato � forced a png
if(file_exists($thumbnailFileName[0])) {
if(unlink($thumbnailFileName[0])){
$msg = Text::_('COM_JCHAT_SUCCESS_DELETE_AVATAR');
} else {
$msg = Text::_('COM_JCHAT_ERROR_DELETING_AVATAR');
$this->setException($msg);
return false;
}
} else {
$msg = Text::_('COM_JCHAT_AVATAR_NOTFOUND');
$this->setException($msg);
return false;
}
$this->setState('result', $msg);
return true;
}
/**
* Class constructor
* @access public
* @return Object &
*/
public function __construct($config = array(), ?MVCFactoryInterface $factory = null) {
$this->siteurl = Uri::base() . '/components/com_jchat/';
$this->avatarFolder = JPATH_COMPONENT . '/images/avatars';
// Current user object
$userObject = Factory::getApplication()->getIdentity();
// Current user session table
$userSessionTable = JChatHelpersUsers::getSessionTable();
$this->sessionId = $userSessionTable->session_id;
$this->userId = $userObject->id;
$this->userName = $userObject->username;
// CONFIG LOAD
$this->getComponentParams();
parent::__construct( $config, $factory );
}
}
?>