<?php

/*
 * 新签合同文件下载
 */

AdminManager::checkLogin();//判断是否登录

$id = isset($_REQUEST['id']) ? trim($_REQUEST['id']) : '';
$index = isset($_REQUEST['index']) ? trim($_REQUEST['index']) : '';
$table_name = isset($_REQUEST['table_name']) ? trim($_REQUEST['table_name']) : '';
$type = isset($_REQUEST['am_property_leasing_type']) ? trim($_REQUEST['am_property_leasing_type']) : 0;
if(empty($table_name)){
	layuiJson('参数错误', ERR_UNNO);
}
$db = Flight::db();
$data = $db->get('table_main', '*', ['id' => $id]);
if($table_name == 'property_leasing'){
	$res = $db->get($table_name, '*', ['id' => $data['table_id'], 'type' => $type]);
}else{
	$res = $db->get($table_name, '*', ['id' => $data['table_id']]);
}
$down = isset($_REQUEST['down']) ? trim($_REQUEST['down']) : '';
	$img_arr = !empty($res['img_files']) ? explode(',', $res['img_files']) : [];
	$pdf_arr = !empty($res['pdf_files']) ? explode(',', $res['pdf_files']) : [];
	$pdf_files_name_arr = !empty($res['pdf_files_name']) ? explode(',', $res['pdf_files_name']) : [];
	if(empty($img_arr) && empty($pdf_arr)){
		echo '没有可下载的文件';
		die;
	}
	$is_zip = zip_download($img_arr,$pdf_arr,$down, $res, $pdf_files_name_arr);
	if ($is_zip == false) {
		layuiJson('无文件,无法导出', ERR_UNNO);
	}else{
		layuiJson('下载成功', SUCCESS);
	}
function zip_download($array, $array1, $down, $res, $pdf_files_name_arr)
{
	$tmpFile = tempnam(getcwd().'/tmp', '');        //临时文件
	$zip = new \ZipArchive();                           //php内置的压缩类
	$zip->open($tmpFile, \ZipArchive::CREATE);

	$is_zip = 0;
	//图片
	foreach ($array as $value) {
		try{
			$path = substr($value, 0, 2).'/'.$value;
			@$fileContent = Flight::fs()->read($path);//检索图片路径的读取流
			$path = time().uniqid();
			@$zip->addFromString($path.'.png', $fileContent);  //将文件循环压缩到压缩包
			$is_zip++;
		}catch(Exception $e){
			continue;
		}

	}
	//pdf
	foreach ($array1 as $key => $value) {
		try{
			$path = substr($value, 0, 2).'/'.$value;
			@$fileContent = Flight::fs()->read($path);
			// $path = time().uniqid();
			$path = $pdf_files_name_arr[$key];
			@$zip->addFromString($path, $fileContent);  //将文件循环压缩到压缩包
			$is_zip++;
		}catch(Exception $e){
			continue;
		}

	}
	if($is_zip <= 0){
		return false;
	}else{
		if($down != 1){
			$filename = date('YmdHis', time()) .'_'.$res['contract_name']. '.zip';
			$zip->close();
			header('Content-Type: application/zip');
			header('Content-disposition: attachment; filename=' . $filename);
			header('Content-Length: ' . filesize($tmpFile));
			readfile($tmpFile);
			unlink($tmpFile);
		}else{
			return true;
		}
	}
}