File.php

<?php
/**
 * Created by PhpStorm.
 * User: crose
 * Date: 4/25/16
 * Time: 10:39 PM
 */

namespace qfq;

require_once(__DIR__ . '/store/Store.php');
require_once(__DIR__ . '/Constants.php');

class File {

    private $uploadErrMsg = array();

    /**
     * @var Store
     */
    private $store = null;

    public function __construct($phpUnit = false) {
        $this->store = Store::getInstance('', $phpUnit);

//        $sessionName = $this->store->getVar(SYSTEM_SESSION_NAME, STORE_SYSTEM);
//        $this->sip = new Sip($sessionName);

        $this->uploadErrMsg = [
            UPLOAD_ERR_INI_SIZE => "The uploaded file exceeds the upload_max_filesize directive in php.ini",
            UPLOAD_ERR_FORM_SIZE => "The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form",
            UPLOAD_ERR_PARTIAL => "The uploaded file was only partially uploaded",
            UPLOAD_ERR_NO_FILE => "No file was uploaded",
            UPLOAD_ERR_NO_TMP_DIR => "Missing a temporary folder",
            UPLOAD_ERR_CANT_WRITE => "Failed to write file to disk",
            UPLOAD_ERR_EXTENSION => "File upload stopped by extension"
        ];
    }

    /**
     * @throws UserFormException
     */
    public function process() {

        $sipUpload = $this->store->getVar(SIP_SIP, STORE_SIP);
        if ($sipUpload === false) {
            throw new UserFormException('SIP invalid: ' . $sipUpload, ERROR_SIP_INVALID);
        }
        $statusUpload = $this->store->getVar($sipUpload, STORE_EXTRA, SANITIZE_ALLOW_ALL);
        if ($statusUpload === false) {
            $statusUpload = array();
        }

        $action = $this->store->getVar(FILE_ACTION, STORE_CLIENT, SANITIZE_ALLOW_ALNUMX);
        switch ($action) {
            case FILE_ACTION_UPLOAD:
                $this->doUpload($sipUpload, $statusUpload);
                break;
            case FILE_ACTION_DELETE:
                $this->doDelete($sipUpload, $statusUpload);
                break;
            default:
                throw new UserFormException("Unknown FILE_ACTION: $action", ERROR_UNKNOWN_ACTION);
        }
    }

    /**
     * @param string $keyStoreExtra
     * @throws CodeException
     * @throws UserFormException
     */
    private function doUpload($sipUpload, $statusUpload) {

        list($dummy, $newArr) = each($_FILES);
        $statusUpload = array_merge($statusUpload, $newArr);

        if ($statusUpload[FILES_ERROR] !== UPLOAD_ERR_OK) {
            throw new UserFormException($this->uploadErrMsg[$newArr[FILES_ERROR]], ERROR_UPLOAD);
        }

        //TODO: do necessary checks with uploaded file HERE!!!


        // rename uploaded file: ?.cached
        $filenameCached = Support::extendFilename($statusUpload[FILES_TMP_NAME], UPLOAD_CACHED);
        move_uploaded_file($newArr[FILES_TMP_NAME], $filenameCached);

        $this->store->setVar($sipUpload, $statusUpload, STORE_EXTRA);
    }

    /**
     * @param string $keyStoreExtra
     * @throws CodeException
     * @throws UserFormException
     */
    private function doDelete($sipUpload, $statusUpload) {

        if (isset($statusUpload[FILES_TMP_NAME]) && $statusUpload[FILES_TMP_NAME] != '') {
            $file = Support::extendFilename($statusUpload[FILES_TMP_NAME], UPLOAD_CACHED);
            if (file_exists($file)) {
                if (!unlink($file)) {
                    throw new UserFormException('unlink file: ' . $file, ERROR_IO_UNLINK);
                }
            }
            $statusUpload[FILES_TMP_NAME] = '';
        }
        $statusUpload[FILES_FLAG_DELETE] = '1';
        $this->store->setVar($sipUpload, $statusUpload, STORE_EXTRA);
    }
}