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CsvimportController.php
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CsvimportController.php
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<?php
/**
* This file is part of the {@link http://ontowiki.net OntoWiki} project.
*
* @copyright Copyright (c) 2008, {@link http://aksw.org AKSW}
* @license http://opensource.org/licenses/gpl-license.php GNU General Public License (GPL)
*/
/**
* Component controller for the CSV Importer.
*
* @category OntoWiki
* @package Extensions
* @subpackage Csvimport
* @copyright Copyright (c) 2010, {@link http://aksw.org AKSW}
* @license http://opensource.org/licenses/gpl-license.php GNU General Public License (GPL)
*/
class CsvimportController extends OntoWiki_Controller_Component
{
public function init()
{
// init component
parent::init();
$this->view->headScript()->appendFile($this->_componentUrlBase . 'scripts/csvimport.js');
$this->view->headScript()->appendFile($this->_componentUrlBase . 'scripts/rdfa.object.js');
// remove navigation tab
OntoWiki::getInstance()->getNavigation()->disableNavigation();
// authenticate as Admin
// TODO: grant permissions to edit everything to anonym
$erfurt = $this->_owApp->erfurt;
$username = 'Admin';
$password = '';
$authResult = $erfurt->authenticate($username, $password);
}
public function indexAction()
{
$this->_forward('upload');
}
public function processuriAction()
{
require_once('RemoteFile.php');
//$test_uri = "http://data.london.gov.uk/datafiles/demographics/census-historic-population-borough.csv";
//http://csvimport.vhost.tld/index.php/csvimport/?m=http%3A%2F%2Fcsvimport.vhost.tld%2Findex.php%2Fcsvimport_test%2F&ckanResourceUri=http://data.london.gov.uk/datafiles/demographics/census-historic-population-borough.csv
$ckanResourceId = $this->_request->getParam ('resource_id', '');
$remoteFile = new RemoteFile($ckanResourceId);
$ckanResourceUri = $remoteFile->uri;
$tempFile = $remoteFile->download();
$importMode = 'scovo';
//create random model
$model = $this->_createRandomModel($ckanResourceId);
$this->_owApp->selectedModel = $model;
if (is_readable($tempFile)) {
$store = $this->_getSessionStore();
$store->importedFile = $tempFile;
$store->importMode = $importMode;
$store->resourceUrl = $ckanResourceUri;
if($store->importMode == 'tabular') {
$store->csvSeparator = ",";
$store->headlineDetection = true;
if(empty($post['defaultSeparator'])) {
$store->csvSeparator = str_replace("\\\\", '\\', $post['separator']);
}
if(empty($post['headlineDetection'])) {
$store->headlineDetection = false;
}
}
}
// now we map
$this->_forward('mapping');
}
public function uploadAction()
{
if (!isset($this->_request->upload)) {
// clean store
$this->_destroySessionStore();
// TODO: show import dialogue and import file
$this->view->placeholder('main.window.title')->append('Import CSV Data');
//OntoWiki_Navigation::disableNavigation();
$this->view->formActionUrl = $this->_config->urlBase . 'csvimport';
$this->view->formEncoding = 'multipart/form-data';
$this->view->formClass = 'simple-input input-justify-left';
$this->view->formMethod = 'post';
$this->view->formName = 'import';
$this->view->referer = isset($_SERVER['HTTP_REFERER']) ? urlencode($_SERVER['HTTP_REFERER']) : '';
$this->view->modelUri = (string)$this->_owApp->selectedModel;
$this->view->title = 'Import CSV Data';
$model = $this->_owApp->selectedModel;
if($model != null){
$this->view->modelTitle = $model->getTitle();
if ($model->isEditable()) {
$toolbar = $this->_owApp->toolbar;
$toolbar->appendButton(OntoWiki_Toolbar::SUBMIT, array('name' => 'Import CSV', 'id' => 'import'))
->appendButton(OntoWiki_Toolbar::RESET, array('name' => 'Cancel'));
$this->view->placeholder('main.window.toolbar')->set($toolbar);
} else {
$this->_owApp->appendMessage(
new OntoWiki_Message('No write permissions on model \''.$this->view->modelTitle.'\'', OntoWiki_Message::WARNING)
);
}
// FIX: http://www.webmasterworld.com/macintosh_webmaster/3300569.htm
// disable connection keep-alive
$response = $this->getResponse();
$response->setHeader('Connection', 'close', true);
$response->sendHeaders();
return;
} else {
$this->_owApp->appendMessage(
new OntoWiki_Message('You need to select a model first', OntoWiki_Message::WARNING)
);
}
} else {
// evaluate post data
$messages = array();
$post = $this->_request->getPost();
$errorFlag = false;
switch (true) {
case (empty($_FILES['source']['name'])):
$message = 'No file selected. Please try again.';
$this->_owApp->appendMessage(
new OntoWiki_Message($message, OntoWiki_Message::ERROR)
);
$errorFlag = true;
break;
case ($_FILES['source']['error'] == UPLOAD_ERR_INI_SIZE):
$message = 'The uploaded files\'s size exceeds the upload_max_filesize directive in php.ini.';
$this->_owApp->appendMessage(
new OntoWiki_Message($message, OntoWiki_Message::ERROR)
);
$errorFlag = true;
break;
case ($_FILES['source']['error'] == UPLOAD_ERR_PARTIAL):
$this->_owApp->appendMessage(
new OntoWiki_Message('The uploaded file was only partially uploaded.', OntoWiki_Message::ERROR)
);
$errorFlag = true;
break;
case ($_FILES['source']['error'] >= UPLOAD_ERR_NO_FILE):
$message = 'There was an unknown error during file upload. Please check your PHP configuration.';
$this->_owApp->appendMessage(
new OntoWiki_Message($message, OntoWiki_Message::ERROR)
);
$errorFlag = true;
break;
}
/* handle upload */
$tempFile = $_FILES['source']['tmp_name'];
if (is_readable($tempFile)) {
$store = $this->_getSessionStore();
$store->importedFile = $tempFile;
$store->importMode = $post['importMode'];
$store->resourceUrl = 'local';
if($store->importMode == 'tabular') {
$store->csvSeparator = ",";
$store->headlineDetection = true;
if(empty($post['defaultSeparator'])) {
$store->csvSeparator = str_replace("\\\\", '\\', $post['separator']);
}
if(empty($post['headlineDetection'])) {
$store->headlineDetection = false;
}
}
// $store->nextAction = 'mapping';
}
// now we map
$this->_forward('mapping');
}
}
public function mappingAction(){
$this->view->staticUrlBase = $this->_config->staticUrlBase;
$store = $this->_getSessionStore();
if (!empty($store->importMode)) {
$configuration = null;
switch ($store->importMode) {
case "tabular" :
require_once('TabularImporter.php');
$importer = new TabularImporter($this->view,
$this->_privateConfig,
array('headlineDetection' => $store->headlineDetection,
'separator' => $store->csvSeparator)
);
break;
case "scovo" :
require_once('DataCubeImporter.php');
$importer = new DataCubeImporter($this->view, $this->_privateConfig);
break;
default:
break;
}
$importer->setFile($store->importedFile);
if (!empty($this->_request->dimensions)) {
$json = $this->_request->dimensions;
$json = str_replace('\\"', '"', $json);
$configuration = json_decode($json, true);
}
if ($configuration) {
$importer->setConfiguration($configuration);
$importer->setParsedFile($store->parsedFile);
$store->results = $importer->importData();
$this->_helper->viewRenderer->setNoRender();
} else {
//get stored Configurations
$importer->setStoredConfigurations($this->getStoredConfigurationUris());
$importer->createConfigurationView($this->_config->urlBase);
$store->parsedFile = $importer->getParsedFile();
}
}
}
protected function resultsAction()
{
$this->view->placeholder('main.window.title')->append('Import CSV Results');
OntoWiki_Navigation::disableNavigation();
}
protected function importlogAction()
{
$this->_helper->viewRenderer->setNoRender();
$this->_helper->layout->disableLayout();
$config = $this->_owApp->getConfig();
$path = $config->log->path;
$contents = "";
$filename = $path.'importer.log';
$fp = fopen($filename, 'r');
$contents = fread($fp, filesize($filename));
fclose($fp);
echo $contents;
}
protected function getStoredConfigurationUris() {
$dir = $this->_getConfigurationDir();
if(!is_dir($dir)) return;
$configurations = array();
if ($dh = opendir($dir)) {
while (($file = readdir($dh)) !== false) {
if($file == "." || $file == '..') continue;
$handle = fopen($dir.$file, 'r');
$contents = fread($handle, filesize($dir.$file));
fclose($handle);
$configurations[] = array (
'label' => str_replace('.cfg', '', str_replace('_', ' ', $file)),
'config' => $contents );
}
closedir($dh);
return $configurations;
}
return array();
return;
$sysontUri = $this->_owApp->erfurt->getConfig()->sysont->modelUri;
$sysOnt = $this->_owApp->erfurt->getStore()->getModel($sysontUri, false);
$query = new Erfurt_Sparql_SimpleQuery();
$query->setProloguePart(' SELECT ?configUri ?configLabel ?configuration') ;
$query->setWherePart('
WHERE { ?configUri a <' . $sysontUri . 'CSVImportConfig> .
?configUri <http://www.w3.org/2000/01/rdf-schema#label> ?configLabel .
?configUri <' . $sysontUri . 'CSVImportConfig/configuration> ?configuration} ');
if ($result = $sysOnt->sparqlQuery($query)) {
// var_dump($result); die;
$configurations = array();
foreach ($result as $entry) {
//var_dump($entry['configuration']); die;
$configurations[$entry['configUri']] = array (
'label' => $entry['configLabel'],
'config' => base64_decode($entry['configuration']) );
}
return $configurations;
}
return array();
}
protected function saveconfigAction(){
$this->_helper->viewRenderer->setNoRender();
$this->_helper->layout->disableLayout();
//$this->_createBaseModel() - by default requires Admin privileges
//TODO: give the privileges to anonym
if( $this->_createBaseModel() ){
// get post params
$post = $this->_request->getPost();
$val = $post['configString'];
$name = str_replace(" ", "_", $post['configName']);
$dir = $this->_getConfigurationDir();
if(!$this->_checkCreateDir($dir)) {
echo "something was wrong while creating log at : " . $dir;
}
$fp = fopen($dir.$name.'.cfg', 'w');
fwrite($fp, $val);
fclose($fp);
}
}
protected function processfileAction(){
$this->_helper->viewRenderer->setNoRender();
$this->_helper->layout->disableLayout();
$ckanResourceId = $this->_request->getParam ('resource_id', '');
$this->_store = Erfurt_App::getInstance()->getStore();
$this->_storeAdapter = Erfurt_App::getInstance(false)->getStore()->getBackendAdapter();
$graphUri = 'http://csv2rdf.aksw.org/' . $ckanResourceId;
$type = 'n3'; //csv2rdf provide n3 data
$locator = Erfurt_Syntax_RdfParser::LOCATOR_FILE;
$data = "/tmp/test.n3";
$this->_storeAdapter->importRdf($graphUri, $data, $type, $locator);
$defaultGraphUri=$graphUri;
$serviceUri='http;//datacube.aksw.org/sparql';
header('Location: http://datacube.aksw.org/facete-server/?default-graph-uri='.$defaultGraphUri.'&service-uri='.$serviceUri);
}
protected function _getConfigurationDir() {
$dir = $this->_owApp->extensionManager->getExtensionPath('csvimport').'/configs/';
$store = $this->_getsessionstore();
if($store->resourceUrl == 'local') {
$dir = $dir . 'local/';
} else {
$md5 = md5($store->resourceUrl);
$dir = $dir . $md5 . '/';
}
return $dir;
}
protected function _checkCreateDir($dir) {
if(!is_dir($dir)) {
if(!mkdir($dir, 0777, true)){
return False;
}
}
return True;
}
protected function _createBaseModel(){
// check access controll for SysOnt
$sysontUri = $this->_owApp->erfurt->getConfig()->sysont->modelUri;
$sysOnt = $this->_owApp->erfurt->getStore()->getModel($sysontUri, false);
$allow = $this->_owApp->erfurt->getAc()->isModelAllowed('edit', $sysOnt);
if ($allow) {
// create config class
// {sysont_ns}:CSVImportConfig
// {sysont_ns}:CSVImportConfig rdfs:label "Configuration Class"
$s = $sysontUri.'CSVImportConfig';
$type = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type';
$label = 'http://www.w3.org/2000/01/rdf-schema#label';
$element[$s] = array(
$type => array(
array(
'type' => 'uri',
'value' => 'http://www.w3.org/2002/07/owl#Class'
)
),
$label => array(
array(
'type' => 'literal',
'value' => 'CSV Import Configuration'
)
)
);
$sysOnt->addMultipleStatements( $element );
// create config string property
// {sysont_ns}:CSVImportConfig/configuration
// {sysont_ns}:CSVImportConfig/configuration rdfs:label "Configuration"
// {sysont_ns}:CSVImportConfig/configuration rdfs:domain {sysont_ns}:CSVImportConfig
$element = array();
$sp = $s.'/configuration';
$label = 'http://www.w3.org/2000/01/rdf-schema#label';
$domain = 'http://www.w3.org/2000/01/rdf-schema#domain';
$element[$sp] = array(
$domain => array(
array(
'type' => 'uri',
'value' => $s
)
),
$label => array(
array(
'type' => 'literal',
'value' => 'configuration'
)
)
);
$sysOnt->addMultipleStatements( $element );
return true;
}else{
return false;
}
}
protected function _getSessionStore()
{
$session = new Zend_Session_Namespace('CSV_IMPORT_SESSION');
return $session;
}
protected function _destroySessionStore(){
Zend_Session::namespaceUnset('CSV_IMPORT_SESSION');
}
protected function _createRandomModel($ckanResourceId) {
//generate model name
//$modelName = 'http://csv2rdf.aksw.org/' . md5($ckanResourceUri) . '/' . time();
$modelName = 'http://csv2rdf.aksw.org/' . $ckanResourceId;
$this->_store = Erfurt_App::getInstance()->getStore();
$this->_storeAdapter = Erfurt_App::getInstance(false)->getStore()->getBackendAdapter();
$this->_storeAdapter->deleteModel($modelName);
$this->_storeAdapter->createModel($modelName);
$model = $this->_store->getModel($modelName);
$this->_ac = Erfurt_App::getInstance(false)->getAc();
$this->_ac->setUserModelRight($modelName, 'view', 'grant');
$this->_ac->setUserModelRight($modelName, 'edit', 'grant');
return $model;
}
}
/*
*
* SELECT ?configUri ?configLabel ?configuration
WHERE { ?configUri a <http://localhost/OntoWiki/Config/CSVImportConfig> .
?configUri <http://www.w3.org/2000/01/rdf-schema#label> ?configLabel .
?configUri <http://localhost/OntoWiki/Config/CSVImportConfig/configuration> ?configuration .
}
*
*/