118 lines
3.4 KiB
PHP
118 lines
3.4 KiB
PHP
<?php
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class Doc extends PhpObject {
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const DOC_FOLDER = 'files/';
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const DOC_TABLE = 'docs';
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/**
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* DB
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* @var Db
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*/
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private $oDb;
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private $iDocId;
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private $iUserId;
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private $iWorkshopId;
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public function __construct(Db &$oDb, $iUserId=0, $iWorkshopId=0)
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{
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parent::__construct(__CLASS__, Settings::DEBUG);
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$this->oDb = &$oDb;
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$this->setDocId(0);
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$this->setUserWorkshopId($iUserId, $iWorkshopId);
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}
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public function setDocId($iDocId) {
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$this->iDocId = $iDocId;
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}
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public function setUserWorkshopId($iUserId, $iWorkshopId) {
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$this->iUserId = $iUserId;
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$this->iWorkshopId = $iWorkshopId;
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}
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public function exists($sFileName) {
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return file_exists(self::DOC_FOLDER.$sFileName);
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}
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public function add($sFileName, $sMimeType) {
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$sType = '';
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switch(mime_content_type(self::getFilePath($sFileName))) {
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case 'application/msword':
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case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document': $sType = 'word'; break;
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case 'application/pdf': $sType = 'pdf'; break;
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case 'audio/mpeg': $sType = 'audio'; break;
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case 'image/gif': $sType = 'image'; break;
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case 'image/jpeg': $sType = 'image'; break;
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case 'image/png': $sType = 'image'; break;
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default:
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switch(pathinfo($sFileName, PATHINFO_EXTENSION)) {
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case 'mp3': $sType = 'audio'; break;
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}
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}
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$asData = array_merge($this->getDocKeys(), array('type'=>$sType, 'filename'=>$sFileName, 'filehash'=>self::getChecksum($sFileName)));
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$bResult = $this->oDb->insertRow(self::DOC_TABLE, $asData);
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return $bResult?'':'error_db';
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}
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public function delete() {
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if($this->iDocId > 0) {
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$asDoc = $this->getDoc();
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$bResult = $this->oDb->deleteRow(self::DOC_TABLE, $this->iDocId);
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if($bResult) $bResult = unlink($asDoc['filepath']);
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}
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return $bResult;
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}
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public function getDoc() {
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$asDocList = $this->getList(array(Db::getId(self::DOC_TABLE) => $this->iDocId));
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return array_shift($asDocList);
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}
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public function getList($oOption='self') {
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if($oOption=='self') $asKeys = $this->getDocKeys();
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elseif($oOption=='full') $asKeys = array();
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elseif(is_array($oOption)) $asKeys = $oOption;
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else return array();
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$asDocs = $this->oDb->selectRows(array(
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'select' => array(Db::getId(self::DOC_TABLE), 'type', 'filename', 'filehash'),
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'from' => self::DOC_TABLE,
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'constraint'=> $asKeys
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));
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foreach($asDocs as &$asDoc) $asDoc['filepath'] = self::getFilePath($asDoc['filename']);
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return $asDocs;
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}
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public function getMissingFiles() {
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$asDocs = $this->getList('full');
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$asMissingFiles = array();
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foreach($asDocs as $asDoc) {
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$sHash = self::getChecksum($asDoc['filename']);
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if(!file_exists($asDoc['filepath']) || $sHash!=$asDoc['filehash']) {
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$asDoc['actual_hash'] = $sHash;
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$asMissingFiles[] = $asDoc;
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}
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}
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return $asMissingFiles;
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}
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private function getDocKeys() {
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return array(Db::getId(Auth::USER_TABLE) => $this->iUserId, Db::getId(Course::WS_TABLE) => $this->iWorkshopId);
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}
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private static function getChecksum($sFileName) {
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$sFilePath = self::getFilePath($sFileName);
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return file_exists($sFilePath)?sha1_file($sFilePath):'';
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}
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private static function getFilePath($sFileName) {
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return self::DOC_FOLDER.$sFileName;
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}
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} |