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<?php
/**
* @copyright 2020 Podlibre
* @license https://www.gnu.org/licenses/agpl-3.0.en.html AGPL3
* @link https://castopod.org/
*/
namespace App\Validation;
use CodeIgniter\Validation\FileRules as ValidationFileRules;
class FileRules extends ValidationFileRules
{
/**
* Checks an uploaded file to verify that the dimensions are within
* a specified allowable dimension.
*
* @param string|null $blank
* @param string $params
*
* @return boolean
*/
public function min_dims(string $blank = null, string $params): bool
{
// Grab the file name off the top of the $params
// after we split it.
$params = explode(',', $params);
$name = array_shift($params);
if (!($files = $this->request->getFileMultiple($name))) {
$files = [$this->request->getFile($name)];
}
foreach ($files as $file) {
if (is_null($file)) {
return false;
}
if ($file->getError() === UPLOAD_ERR_NO_FILE) {
return true;
}
// Get Parameter sizes
$minWidth = $params[0] ?? 0;
$minHeight = $params[1] ?? 0;
// Get uploaded image size
$info = getimagesize($file->getTempName());
$fileWidth = $info[0];
$fileHeight = $info[1];
if ($fileWidth < $minWidth || $fileHeight < $minHeight) {
return false;
}
}
return true;
}
//--------------------------------------------------------------------
/**
* Checks an uploaded file to verify that the image ratio is of 1:1
*
* @param string|null $blank
* @param string $params
*
* @return boolean
*/
public function is_image_squared(string $blank = null, string $params): bool
{
// Grab the file name off the top of the $params
// after we split it.
$params = explode(',', $params);
$name = array_shift($params);
if (!($files = $this->request->getFileMultiple($name))) {
$files = [$this->request->getFile($name)];
}
foreach ($files as $file) {
if (is_null($file)) {
return false;
}
if ($file->getError() === UPLOAD_ERR_NO_FILE) {
return true;
}
// Get uploaded image size
$info = getimagesize($file->getTempName());
$fileWidth = $info[0];
$fileHeight = $info[1];
if ($fileWidth != $fileHeight) {
return false;
}
}
return true;
}
//--------------------------------------------------------------------
}