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<?php
/**
* @file classes/file/IssueFileManager.inc.php
*
* Copyright (c) 2013-2019 Simon Fraser University
* Copyright (c) 2003-2019 John Willinsky
* Distributed under the GNU GPL v2. For full terms see the file docs/COPYING.
*
* @class IssueFileManager
* @ingroup file
*
* @brief Class defining operations for issue file management.
*
* Issue directory structure:
* [issue id]/public
*/
import('lib.pkp.classes.file.FileManager');
import('classes.issue.IssueFile');
class IssueFileManager extends FileManager {
/** @var string the path to location of the files */
var $_filesDir = null;
/** @var int the associated issue ID */
var $_issueId = null;
/**
* Constructor.
* Create a manager for handling issue file uploads.
* @param $issueId int
*/
function IssueFileManager($issueId) {
$issueDao =& DAORegistry::getDAO('IssueDAO');
$issue =& $issueDao->getIssueById($issueId);
assert($issue);
$this->setIssueId($issueId);
$this->setFilesDir(Config::getVar('files', 'files_dir') . '/journals/' . $issue->getJournalId() . '/issues/' . $issueId . '/');
parent::FileManager();
}
/**
* Get the issue files directory.
* @return string
*/
function getFilesDir() {
return $this->_filesDir;
}
/**
* Set the issue files directory.
* @param $filesDir string
*/
function setFilesDir($filesDir) {
$this->_filesDir = $filesDir;
}
/**
* Get the issue ID.
* @return int
*/
function getIssueId() {
return $this->_issueId;
}
/**
* Set the issue ID.
* @param $issueId int
*/
function setIssueId($issueId) {
$this->_issueId = (int) $issueId;
}
/**
* Upload a public issue file.
* @param $fileName string the name of the file used in the POST form
* @param $fileId int
* @return int file ID
*/
function uploadPublicFile($fileName, $fileId = null) {
return $this->_handleUpload($fileName, ISSUE_FILE_PUBLIC, $fileId);
}
/**
* Delete an issue file by ID.
* @param $fileId int
* @return boolean if successful
*/
function deleteFile($fileId) {
$issueFileDao =& DAORegistry::getDAO('IssueFileDAO');
$issueFile =& $issueFileDao->getIssueFile($fileId);
if (parent::deleteFile($this->getFilesDir() . $this->contentTypeToPath($issueFile->getContentType()) . '/' . $issueFile->getFileName())) {
$issueFileDao->deleteIssueFileById($fileId);
return true;
}
return false;
}
/**
* Delete the entire tree of files belonging to an issue.
*/
function deleteIssueTree() {
parent::rmtree($this->getFilesDir());
}
/**
* Download a file.
* @param $fileId int the file id of the file to download
* @param $inline print file as inline instead of attachment, optional
* @return boolean
*/
function downloadFile($fileId, $inline = false) {
$issueFileDao =& DAORegistry::getDAO('IssueFileDAO');
$issueFile =& $issueFileDao->getIssueFile($fileId);
if ($issueFile) {
$fileType = $issueFile->getFileType();
$filePath = $this->getFilesDir() . $this->contentTypeToPath($issueFile->getContentType()) . '/' . $issueFile->getFileName();
return parent::downloadFile($filePath, $fileType, $inline);
} else {
return false;
}
}
/**
* Return directory path based on issue content type (used for naming files).
* @param $contentType int
* @return string
*/
function contentTypeToPath($contentType) {
switch ($contentType) {
case ISSUE_FILE_PUBLIC: return 'public';
}
}
/**
* Return abbreviation based on issue content type (used for naming files).
* @param $contentType int
* @return string
*/
function contentTypeToAbbrev($contentType) {
switch ($contentType) {
case ISSUE_FILE_PUBLIC: return 'PB';
}
}
/**
* PRIVATE routine to upload the file and add it to the database.
* @param $fileName string index into the $_FILES array
* @param $contentType int Issue file content type
* @param $fileId int ID of an existing file to update
* @param $overwrite boolean overwrite previous version of the file
* @return int the file ID
*/
function _handleUpload($fileName, $contentType, $fileId = null, $overwrite = false) {
if (HookRegistry::call('IssueFileManager::_handleUpload', array(&$fileName, &$contentType, &$fileId, &$overwrite, &$result))) return $result;
$issueId = $this->getIssueId();
$issueFileDao =& DAORegistry::getDAO('IssueFileDAO');
$contentTypePath = $this->contentTypeToPath($contentType);
$dir = $this->getFilesDir() . $contentTypePath . '/';
$issueFile = new IssueFile();
$issueFile->setIssueId($issueId);
$issueFile->setDateUploaded(Core::getCurrentDate());
$issueFile->setDateModified(Core::getCurrentDate());
$issueFile->setFileName('');
$issueFile->setFileType($this->getUploadedFileType($fileName));
$issueFile->setFileSize($_FILES[$fileName]['size']);
$issueFile->setOriginalFileName($this->truncateFileName($_FILES[$fileName]['name'], 127));
$issueFile->setContentType($contentType);
// If this is a new issue file, add it to the db and get it's new file id
if (!$fileId) {
if (!$issueFileDao->insertIssueFile($issueFile)) return false;
} else {
$issueFile->setId($fileId);
}
$extension = $this->parseFileExtension($this->getUploadedFileName($fileName));
$newFileName = $issueFile->getIssueId().'-'.$issueFile->getId().'-'.$this->contentTypeToAbbrev($contentType).'.'.$extension;
$issueFile->setFileName($newFileName);
// Upload the actual file
if (!$this->uploadFile($fileName, $dir.$newFileName)) {
// Upload failed. If this is a new file, remove newly added db record.
if (!$fileId) $issueFileDao->deleteIssueFileById($issueFile->getId());
return false;
}
// Upload succeeded. Update issue file record with new filename.
$issueFileDao->updateIssueFile($issueFile);
return $issueFile->getId();
}
}
?>