class.ilAssFileUploadUploadsExporter.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */


class ilAssFileUploadUploadsExporter
{
        const ZIP_FILE_MIME_TYPE = 'application/zip';
        const ZIP_FILE_EXTENSION = '.zip';

        protected $db;

        protected $lng;
        
        private $testId;

        private $testTitle;

        private $question;
        
        private $finalZipFilePath;
        
        private $tempZipFilePath;

        private $tempDirPath;

        private $mainFolderName;

        public function __construct(ilDB $db, ilLanguage $lng)
        {
                $this->db = $db;
                $this->lng = $lng;
        }

        public function getTestId()
        {
                return $this->testId;
        }

        public function setTestId($testId)
        {
                $this->testId = $testId;
        }

        public function getTestTitle()
        {
                return $this->testTitle;
        }

        public function setTestTitle($testTitle)
        {
                $this->testTitle = $testTitle;
        }

        public function getQuestion()
        {
                return $this->question;
        }

        public function setQuestion($question)
        {
                $this->question = $question;
        }

        public function build()
        {
                $this->initFilenames();
                
                $solutionData = $this->getFileUploadSolutionData();
                
                $participantData = $this->getParticipantData($solutionData);
                
                $this->collectUploadedFiles($solutionData, $participantData);

                $this->createFileUploadCollectionZipFile();

                $this->removeFileUploadCollection();
        }
        
        private function initFilenames()
        {
                $this->tempDirPath = ilUtil::ilTempnam();
                
                $this->tempZipFilePath = ilUtil::ilTempnam($this->tempDirPath).self::ZIP_FILE_EXTENSION;
                
                $this->mainFolderName = ilUtil::getASCIIFilename(
                        str_replace(' ', '', $this->getTestTitle().'_'.$this->question->getTitle())
                );
        }
        
        private function getFileUploadSolutionData()
        {
                $query  = "
                        SELECT tst_solutions.solution_id, tst_solutions.pass, tst_solutions.active_fi, tst_solutions.question_fi, 
                                tst_solutions.value1, tst_solutions.value2, tst_solutions.tstamp 
                        FROM tst_solutions, tst_active, qpl_questions 
                        WHERE tst_solutions.active_fi = tst_active.active_id 
                        AND tst_solutions.question_fi = qpl_questions.question_id 
                        AND tst_solutions.question_fi = %s 
                        AND tst_active.test_fi = %s 
                        ORDER BY tst_solutions.active_fi, tst_solutions.tstamp
                ";

                $res = $this->db->queryF(
                        $query, array("integer", "integer"), array($this->question->getId(), $this->getTestId())
                );

                $solutionData = array();
                
                while( $row = $this->db->fetchAssoc($res) )
                {
                        if( !isset($solutionData[$row['active_fi']]) )
                        {
                                $solutionData[ $row['active_fi'] ] = array();
                        }

                        if( !isset($solutionData[ $row['active_fi'] ][ $row['pass'] ]) )
                        {
                                $solutionData[ $row['active_fi'] ][ $row['pass'] ] = array();
                        }

                        $solutionData[ $row['active_fi'] ][ $row['pass'] ][] = $row;
                }
                
                return $solutionData;
        }
        
        private function getParticipantData($solutionData)
        {
                $activeIds = array();
                        
                foreach($solutionData as $activeId => $passes)
                {
                        $activeIds[] = $activeId;
                }

                require_once 'Modules/Test/classes/class.ilTestParticipantData.php';
                $participantData = new ilTestParticipantData($this->db, $this->lng);
                $participantData->setActiveIds($activeIds);
                $participantData->load($this->getTestId());
                
                return $participantData;
        }
        
        private function collectUploadedFiles($solutionData, ilTestParticipantData $participantData)
        {
                foreach($solutionData as $activeId => $passes)
                {
                        foreach($passes as $pass => $files)
                        {
                                foreach($files as $file)
                                {
                                        $uploadedFileDir = $this->question->getFileUploadPath(
                                                $this->getTestId(), $activeId, $this->question->getId()
                                        );
                                        
                                        $destinationDir = $this->tempDirPath.'/'.$this->mainFolderName.'/';
                                        $destinationDir .= $participantData->getFileSystemCompliantFullnameByActiveId($activeId).'/';
                                        $destinationDir .= $this->getPassSubDirName($file['pass']).'/';
                                                
                                        ilUtil::makeDirParents($destinationDir);

                                        copy($uploadedFileDir.$file['value1'], $destinationDir.$file['value2']);
                                }
                        }
                }
        }
        
        private function getPassSubDirName($pass)
        {
                return $this->lng->txt('pass').'_'.($pass + 1);
        }
        
        private function createFileUploadCollectionZipFile()
        {
                ilUtil::zip($this->tempDirPath.'/'.$this->mainFolderName, $this->tempZipFilePath);
                
                $pathinfo = pathinfo($this->tempZipFilePath);
                $this->finalZipFilePath = dirname($pathinfo['dirname']).'/'.$pathinfo['basename'];
                
                try
                {
                        require_once 'Services/Utilities/classes/class.ilFileUtils.php';
                        ilFileUtils::rename($this->tempZipFilePath, $this->finalZipFilePath);
                }
                catch (\ilFileUtilsException $e)
                {
                        \ilLoggerFactory::getRootLogger()->error($e->getMessage());
                }
        }

        private function removeFileUploadCollection()
        {
                ilUtil::delDir($this->tempDirPath);
        }
        
        public function getFinalZipFilePath()
        {
                return $this->finalZipFilePath;
        }
        
        public function getDispoZipFileName()
        {
                return ilUtil::getASCIIFilename(
                        $this->mainFolderName.self::ZIP_FILE_EXTENSION
                );
        }
        
        public function getZipFileMimeType()
        {
                return self::ZIP_FILE_MIME_TYPE;
        }
}