<?php 
error_reporting(0);
require_once '../config.php';
include('../PHPExcel/Classes/PHPExcel/IOFactory.php');
// require '../vendor/autoload.php';

use PhpOffice\PhpSpreadsheet\Spreadsheet;

$doc_no =  $_POST['list'][0];
if(isset($doc_no))
{
	$doc_no = explode(',', $doc_no);
	$error = "";

	$filePath = "../docs/";
 	if(extension_loaded('zip'))
 	{
 	    if(isset($doc_no) && count($doc_no) == 1)
 		{
 		    $file = $doc_no[0];
 		    $objPHPExcel = new PHPExcel();
            // $inputFileName ="../docs/$file/$file.xls";
            $FileName = "../docs/$file/$file.xls" ;
            if(file_exists($FileName))
            {
                $ext = 'xls';
            }
            else{

                $ext = "xlsx";
            }
            $inputFileName = "../docs/$file/$file.".$ext ;
            $inputFileType = PHPExcel_IOFactory::identify($inputFileName);
            $objPHPExcel = PHPExcel_IOFactory::load($inputFileName);
            $objPHPExcel->setActiveSheetIndex(0);
            header("Content-Type: application/vnd.ms-excel");
            header("Content-Disposition: attachment; filename=$file.".$ext);
            header("Cache-Control: max-age=0 ");
            ob_clean();
            $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, $inputFileType);
            $objWriter->save('php://output');
 		   
 		}
 		else if(isset($doc_no) && count($doc_no)>1)
 		{
 			$zip = new ZipArchive();
 			$zip_name = date("Y-m-d").".zip";
 			if($zip->open($zip_name, ZIPARCHIVE::CREATE)!==TRUE)
 			{
 				//$error.="Sorry zip creation failed.";
 			}

			foreach($doc_no as $file)
			{ 
				$FileName = '$file/$file.xls';
				if(file_exists($FileName))
				{
				    $inputFileName = 'xls';
				}
				else{

				    $inputFileName = "xlsx";
				}
				$zip->addFile($filePath."$file/$file.".$inputFileName,"$file.".$inputFileName);
				// $zip->addFile($filePath."$file/$file.xls","$file.xls");
				// $zip->addFile($filePath."$file/$file.xls"); // Adding files into zip
			}
			$zip->close();
			if(file_exists($zip_name))
			{
				header('Content-type: application/zip');
				header('Content-Disposition: attachment; filename="'.$zip_name.'"');
				readfile($zip_name);
					// remove zip file is exists in temp path
				unlink($zip_name);
			}
			else
				{
					//$error .= "File not exists ";
				}	
 		}
 		else
 		{
			//$error .= "* Please select file to zip ";
 		}

 	}
 	/*$_SESSION['file_error'] = $error;
		header("location:".$url."admin/assignment_completed.php");*/

}


?>