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<?php |
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/** |
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* Data Analytics |
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* |
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* This file is licensed under the Affero General Public License version 3 or |
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* later. See the LICENSE.md file. |
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* |
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* @author Marcel Scherello <[email protected]> |
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* @copyright 2019 Marcel Scherello |
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*/ |
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namespace OCA\Analytics\Datasource; |
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use OCA\Analytics\Controller\DbController; |
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use OCP\AppFramework\Http\NotFoundResponse; |
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use OCP\Files\IRootFolder; |
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use OCP\Files\NotFoundException; |
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use OCP\ILogger; |
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class FileService |
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{ |
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private $logger; |
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private $DBController; |
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private $rootFolder; |
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private $userId; |
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//private $StorageController; |
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public function __construct( |
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$userId, |
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ILogger $logger, |
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IRootFolder $rootFolder, |
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DbController $DBController |
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//StorageController $StorageController |
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) |
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{ |
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$this->userId = $userId; |
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$this->logger = $logger; |
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$this->DBController = $DBController; |
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$this->rootFolder = $rootFolder; |
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//$this->StorageController = $StorageController; |
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} |
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/** |
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* Get the items for the selected category |
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* |
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* @NoAdminRequired |
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* @param $datasetMetadata |
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* @param null $path |
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* @return array|NotFoundResponse |
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* @throws NotFoundException |
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*/ |
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public function read($datasetMetadata = null, $path = null) |
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{ |
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//$this->logger->error('FileService path: ' . $datasetMetadata['link']); |
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if (empty($path)) { |
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$file = $this->rootFolder->getUserFolder($datasetMetadata['user_id'])->get($datasetMetadata['link']); |
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} else { |
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$file = $this->rootFolder->getUserFolder($this->userId)->get($path); |
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} |
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$data = $file->getContent(); |
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$delimiter = $this->detectDelimiter($data); |
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$rows = str_getcsv($data, "\n"); |
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$data = array(); |
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$header = array(); |
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$headerrow = 0; |
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foreach ($rows as &$row) { |
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$row = str_getcsv($row, $delimiter); |
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if ($headerrow === 0) { |
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$header['dimension1'] = $row[0]; |
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$header['dimension2'] = $row[1]; |
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$header['dimension3'] = $row[2]; |
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$headerrow = 1; |
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} else { |
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$row[2] = str_replace(',', '.', $row[2]); |
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array_push($data, ['dimension1' => $row[0], 'dimension2' => $row[1], 'dimension3' => $row[2]]); |
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} |
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} |
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$result = [ |
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'header' => $header, |
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'data' => $data |
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]; |
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return $result; |
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} |
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private function detectDelimiter($data) |
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{ |
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$delimiters = ["\t", ";", "|", ","]; |
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$data_2 = array(); |
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$delimiter = $delimiters[0]; |
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foreach ($delimiters as $d) { |
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$firstRow = str_getcsv($data, "\n")[0]; |
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$data_1 = str_getcsv($firstRow, $d); |
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if (sizeof($data_1) > sizeof($data_2)) { |
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$delimiter = $d; |
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$data_2 = $data_1; |
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} |
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} |
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return $delimiter; |
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} |
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} |
Rello /
analytics
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