public function generateThumbnail($thumbnailInfo, $thumbnailParams = null)
{
$publicUrl = '_thumbnail/';
$tempFilePath = null;
$thumbnailPath = null;
try {
// Get and validate input data
$path = $thumbnailInfo['path'];
$width = $thumbnailInfo['width'];
$height = $thumbnailInfo['height'];
$lastModified = $thumbnailInfo['lastModified'];
if (!is_numeric($width) || !is_numeric($height) || !is_numeric($lastModified)) {
throw new ApplicationException('Invalid input data');
}
if (!$thumbnailParams) {
$thumbnailParams = $this->getThumbnailParams();
$thumbnailParams['width'] = $width;
$thumbnailParams['height'] = $height;
}
// If the thumbnail file exists - just return the thumbnail marup,
// otherwise generate a new thumbnail.
$thumbnailPath = $this->getThumbnailImagePath($thumbnailParams, $path, $lastModified);
if ($this->thumbnailExists($thumbnailPath)) {
return ['isError' => false, 'imageUrl' => $publicUrl . FtpLibraryItem::getInstance()->getbasename($thumbnailPath)];
}
// Save the file locally
$tempFilePath = $this->getLocalTempFilePath();
if (!$this->downloadFile($path, $tempFilePath)) {
throw new SystemException('Error saving remote file to a temporary location');
}
// Resize the thumbnail and save to the thumbnails directory
$this->resizeImage($tempFilePath, $thumbnailParams, $thumbnailPath);
} catch (Exception $ex) {
// $this->err ( $ex->getMessage () );
return ['isError' => true];
}
return ['isError' => false, 'imageUrl' => $publicUrl . FtpLibraryItem::getInstance()->getbasename($thumbnailPath)];
}
public function downloadFile($path = '/', $tempfile, $mode = 'auto')
{
$fullpath = self::validatePath($path);
$path = dirname($fullpath);
$file = FtpLibraryItem::getInstance()->getbasename($fullpath);
// Set the mode if not specified
if ($mode === 'auto') {
$extension = FtpLibraryItem::getInstance()->getextension($file);
$mode = FtpLibraryItem::getInstance()->getFileMode($extension);
}
try {
$this->ftp->chdir($path);
$mode = $mode === 'ascii' ? FTP_ASCII : FTP_BINARY;
$this->ftp->get($tempfile, $file, $mode);
} catch (Exception $e) {
throw new FtpException($e->getMessage());
return false;
}
return true;
}