/**
  * Akce pro dokončení uploadu datasetu (zpracování získaného JSONu, přechod na vytvoření nového datového zdroje)
  * @param string $uploadConfig
  * @param string $dataServiceResult
  * @throws \Exception
  * @throws \Nette\Utils\JsonException
  */
 public function actionUploadFinish($uploadConfig, $dataServiceResult)
 {
     $uploadConfig = Json::decode($uploadConfig, Json::FORCE_ARRAY);
     $dataServiceResult = Json::decode($dataServiceResult, Json::FORCE_ARRAY);
     $currentUser = $this->getCurrentUser();
     //vytvoření a uložení datasetu
     if (!empty($dataServiceResult['id']) && !empty($dataServiceResult['type']) && !empty($dataServiceResult['name'])) {
         $dbDatasource = new DbDatasource(@$dataServiceResult['id'], @$dataServiceResult['name'], @$dataServiceResult['type'], @$dataServiceResult['size']);
         $datasource = $this->datasourcesFacade->prepareNewDatasourceFromDbDatasource($dbDatasource, $currentUser);
         $this->datasourcesFacade->saveDatasource($datasource);
     } else {
         throw new \Exception('Upload finish failed.');
     }
     //aktualizace názvů datových sloupců
     if (!empty($uploadConfig['columnNames'])) {
         $datasourceColumnNames = [];
         //vytvoříme seznam sloupců
         foreach ($uploadConfig['dataTypes'] as $i => $dataType) {
             if ($dataType == DbField::TYPE_NOMINAL || $dataType == DbField::TYPE_NUMERIC) {
                 $datasourceColumnNames[] = $uploadConfig['columnNames'][$i];
             }
         }
         $this->datasourcesFacade->renameDatasourceColumns($datasource, $datasourceColumnNames, $currentUser);
     }
     //odeslání URL pro přesměrování...
     $this->sendJsonResponse(['state' => 'OK', 'message' => 'Datasource created successfully.', 'redirect' => $this->link('Data:newMinerFromDatasource', ['datasource' => $datasource->datasourceId])]);
 }
 /**
  * Akce pro import CSV souboru (případně komprimovaného v ZIP archívu)
  * @SWG\Post(
  *   tags={"Datasources"},
  *   path="/datasources",
  *   summary="Create new datasource using uploaded file",
  *   consumes={"text/csv"},
  *   produces={"application/json","application/xml"},
  *   security={{"apiKey":{}},{"apiKeyHeader":{}}},
  *   @SWG\Parameter(
  *     name="name",
  *     description="Table name (if empty, will be auto-generated)",
  *     required=false,
  *     type="string",
  *     in="query"
  *   ),
  *   @SWG\Parameter(
  *     name="separator",
  *     description="Columns separator",
  *     required=true,
  *     type="string",
  *     in="query"
  *   ),
  *   @SWG\Parameter(
  *     name="encoding",
  *     description="File encoding",
  *     required=true,
  *     type="string",
  *     in="query",
  *     enum={"utf8","cp1250","iso-8859-1"}
  *   ),
  *   @SWG\Parameter(
  *     name="enclosure",
  *     description="Enclosure character",
  *     required=false,
  *     type="string",
  *     in="query"
  *   ),
  *   @SWG\Parameter(
  *     name="escape",
  *     description="Escape character",
  *     required=false,
  *     type="string",
  *     in="query"
  *   ),
  *   @SWG\Parameter(
  *     name="nullValue",
  *     description="Null value",
  *     required=false,
  *     type="string",
  *     in="query"
  *   ),
  *   @SWG\Parameter(
  *     name="type",
  *     description="Database type",
  *     required=true,
  *     type="string",
  *     enum={"limited","unlimited","mysql"},
  *     in="query"
  *   ),
  *   @SWG\Parameter(
  *     name="file",
  *     description="CSV file",
  *     required=true,
  *     type="file",
  *     in="formData"
  *   ),
  *   @SWG\Response(
  *     response=200,
  *     description="Datasource details",
  *     @SWG\Schema(
  *       ref="#/definitions/DatasourceWithColumnsResponse"
  *     )
  *   ),
  *   @SWG\Response(
  *     response=400,
  *     description="Invalid API key supplied",
  *     @SWG\Schema(ref="#/definitions/StatusResponse")
  *   )
  * )
  * @throws \InvalidArgumentException
  */
 public function actionCreate()
 {
     #region move uploaded file
     /** @var FileUpload $file */
     $file = $this->request->files['file'];
     //detekce typu souboru
     $fileType = $this->fileImportsFacade->detectFileType($file->getName());
     if ($fileType == FileImportsFacade::FILE_TYPE_UNKNOWN) {
         //jedná se o nepodporovaný typ souboru
         try {
             FileSystem::delete($this->fileImportsFacade->getTempFilename());
         } catch (\Exception $e) {
         }
         throw new \InvalidArgumentException('The uploaded file is not in supported format!');
     }
     //move file
     $filename = $this->fileImportsFacade->getTempFilename();
     $file->move($this->fileImportsFacade->getFilePath($filename));
     //pokus o automatickou extrakci souboru
     if ($fileType == FileImportsFacade::FILE_TYPE_ZIP) {
         $fileType = $this->fileImportsFacade->tryAutoUnzipFile($filename);
         if ($fileType != FileImportsFacade::FILE_TYPE_CSV) {
             try {
                 FileSystem::delete($this->fileImportsFacade->getFilePath($filename));
             } catch (\Exception $e) {
             }
             throw new \InvalidArgumentException('The uploaded ZIP file has to contain only one CSV file!');
         }
     }
     #endregion move uploaded file
     /** @var array $inputData */
     $inputData = $this->input->getData();
     //prepare default values
     if (empty($inputData['name'])) {
         $inputData['name'] = FileImportsFacade::sanitizeFileNameForImport($file->sanitizedName);
     } else {
         $inputData['name'] = FileImportsFacade::sanitizeFileNameForImport($inputData['name']);
     }
     if (empty($inputData['enclosure'])) {
         $inputData['enclosure'] = '"';
     }
     if (empty($inputData['escape'])) {
         $inputData['escape'] = '\\';
     }
     if (empty($inputData['nullValue'])) {
         $inputData['nullValue'] = '';
     }
     //upload data and prepare datasource
     $currentUser = $this->getCurrentUser();
     $dbDatasource = $this->fileImportsFacade->importCsvFile($filename, $inputData['type'], $currentUser, $inputData['name'], $inputData['encoding'], $inputData['separator'], $inputData['enclosure'], $inputData['escape'], $inputData['nullValue']);
     $datasource = $this->datasourcesFacade->prepareNewDatasourceFromDbDatasource($dbDatasource, $currentUser);
     $this->datasourcesFacade->saveDatasource($datasource);
     //aktualizace informace o datových sloupcích
     $this->datasourcesFacade->updateDatasourceColumns($datasource, $currentUser);
     //send response
     $this->actionRead($datasource->datasourceId);
 }