public function filterField($values)
{
$oldImages = $values ? $values : array();
$app = JFactory::getApplication();
$newImages = $app->input->files->get('field_' . $this->id);
$gallery = $gallery['old'] = $gallery['new'] = array();
$params = JUDirectoryHelper::getParams(null, $this->listing_id);
$maxUploadImage = 4;
$count = 0;
if ($this->listing_id) {
$db = JFactory::getDbo();
$query = 'SELECT id FROM #__judirectory_images WHERE listing_id = ' . (int) $this->listing_id;
$db->setQuery($query);
$imageIds = $db->loadColumn();
foreach ($oldImages as $key => $image) {
if (!in_array($image['id'], $imageIds)) {
continue;
}
if ($maxUploadImage > 0 && $count >= $maxUploadImage) {
break;
}
$gallery['old'][] = $image;
if (!$image['remove']) {
$count++;
}
}
}
$error = array();
if ($newImages && ($count < $maxUploadImage && $maxUploadImage > 0 || $maxUploadImage <= 0)) {
$legal_extensions = "jpeg,jpg,png,gif,bmp";
$legal_mime = "image/jpeg,image/pjpeg,image/png,image/gif,image/bmp,image/x-windows-bmp";
$image_min_width = $params->get("image_min_width", 50);
$image_min_height = $params->get("image_min_height", 50);
$image_max_width = $params->get("image_max_width", 1024);
$image_max_height = $params->get("image_max_height", 1024);
$image_max_size = $params->get("image_max_size", 400) * 1024;
$num_files_exceed_limit = 0;
$num_files_invalid_dimension = 0;
foreach ($newImages as $image) {
if ($image['name']) {
$image['name'] = str_replace(' ', '_', JFile::makeSafe($image['name']));
if ($count >= $maxUploadImage) {
$num_files_exceed_limit++;
continue;
}
if (!JUDirectoryFrontHelperPermission::canUpload($image, $error, $legal_extensions, $image_max_size, true, $legal_mime, '', $legal_extensions)) {
continue;
}
$image_dimension = getimagesize($image['tmp_name']);
if ($image_dimension[0] < $image_min_width || $image_dimension[1] < $image_min_height || $image_dimension[0] > $image_max_width || $image_dimension[1] > $image_max_height) {
$num_files_invalid_dimension++;
continue;
}
$gallery['new'][] = $image;
$count++;
}
}
$app = JFactory::getApplication();
if ($error) {
foreach ($error as $key => $count) {
switch ($key) {
case 'WARN_SOURCE':
case 'WARN_FILENAME':
case 'WARN_FILETYPE':
case 'WARN_FILETOOLARGE':
case 'WARN_INVALID_IMG':
case 'WARN_INVALID_MIME':
case 'WARN_IEXSS':
$error_str = JText::plural("COM_JUDIRECTORY_N_FILE_" . $key, $count);
break;
}
$app->enqueueMessage($error_str, 'notice');
}
}
if ($num_files_exceed_limit) {
$image_upload_limit = JUDirectoryHelper::formatBytes($image_max_size * 1024);
$app->enqueueMessage(JText::plural('COM_JUDIRECTORY_N_IMAGES_ARE_NOT_SAVED_BECAUSE_THEY_EXCEEDED_FILE_SIZE_LIMIT', $num_files_exceed_limit, $image_upload_limit), 'notice');
}
if ($num_files_invalid_dimension) {
$app->enqueueMessage(JText::plural('COM_JUDIRECTORY_N_IMAGES_ARE_NOT_SAVED_BECAUSE_THEY_ARE_NOT_VALID_DIMENSION', $num_files_invalid_dimension, $image_min_width, $image_max_width, $image_min_height, $image_max_height), 'notice');
}
}
$gallery['count'] = $count;
return $gallery;
}
