Method readData

lib/Datasource/ExternalJson.php:73–116

* Read the Data * @param $option * @return array available options of the data source */

($option)

     * @return array available options of the data source
     */
    public function readData($option): array
    {
        $cache = $this->getCacheMetadata($option);
        if ($cache['notModified'] === true) {
            return [
                'header' => [],
                'dimensions' => [],
                'data' => [],
                'rawdata' => null,
                'error' => 0,
                'cache' => $cache,
            ];
        }

        $url = htmlspecialchars_decode($option['url'], ENT_NOQUOTES);
		$auth = (string)($option['auth'] ?? '');
		$method = ($option['method'] ?? 'GET') === 'POST' ? 'POST' : 'GET';
		$contentType = !empty($option['content-type']) ? (string)$option['content-type'] : 'application/json';
        $data = array();
        $http_code = '';
		$headers = $this->parseHeaders((string)($option['customHeaders'] ?? ''));
		$headers['OCS-APIRequest'] = 'true';
		$headers['Content-Type'] = $contentType;
		$response = $this->httpClient->request(
			$url,
			$method,
			$headers,
			isset($option['body']) && $option['body'] !== '' ? (string)$option['body'] : null,
			(string)$auth,
		);
		$rawResult = $response['body'];
		$http_code = $response['status'];
		if ($response['error'] !== null) {
			return ['header' => [], 'dimensions' => [], 'data' => [], 'error' => $response['error'], 'cache' => $cache];
		}

		$return = $this->jsonParser($option, $rawResult);
		$return['rawdata'] = $rawResult;
		$return['URL'] = $url;
		$return['error'] = ($http_code >= 200 && $http_code < 300) ? 0 : 'HTTP response code: ' . $http_code;
		$return['cache'] = $cache;

		return $return;
	}

	/** @return array<string, string> */
	private function parseHeaders(string $customHeaders): array {