import { IExecuteSingleFunctions, IHttpRequestOptions, IN8nHttpFullResponse, INodeExecutionData, NodeApiError, } from 'n8n-workflow'; // Regular expressions used to extract binId from parameter value const BIN_ID_REGEX = /\b\d{13}-\d{13}\b/g; /** * Creates correctly-formatted PostBin API URL based on the entered binId. * This function makes sure binId is in the expected format by parsing it * from current node parameter value. * * @export * @param {IExecuteSingleFunctions} this * @param {IHttpRequestOptions} requestOptions * @returns {Promise} requestOptions */ export async function buildBinAPIURL(this: IExecuteSingleFunctions, requestOptions: IHttpRequestOptions): Promise { const binId = parseBinId(this); // Assemble the PostBin API URL and put it back to requestOptions requestOptions.url = `/developers/postbin/api/bin/${binId}`; return requestOptions; } /** * Creates correctly-formatted PostBin Bin test URL based on the entered binId. * This function makes sure binId is in the expected format by parsing it * from current node parameter value. * * @export * @param {IExecuteSingleFunctions} this * @param {IHttpRequestOptions} requestOptions * @returns {Promise} requestOptions */ export async function buildBinTestURL(this: IExecuteSingleFunctions, requestOptions: IHttpRequestOptions): Promise { const binId = parseBinId(this); // Assemble the PostBin API URL and put it back to requestOptions requestOptions.url = `/developers/postbin/${binId}`; return requestOptions; } /** * Creates correctly-formatted PostBin API URL based on the entered binId and reqId. * This function makes sure binId is in the expected format by parsing it * from current node parameter value. * * @export * @param {IExecuteSingleFunctions} this * @param {IHttpRequestOptions} requestOptions * @returns {Promise} requestOptions */ export async function buildRequestURL(this: IExecuteSingleFunctions, requestOptions: IHttpRequestOptions): Promise { const reqId = this.getNodeParameter('requestId', 'shift') as string; const binId = parseBinId(this); requestOptions.url = `/developers/postbin/api/bin/${binId}/req/${reqId}`; return requestOptions; } /** * Extracts the PostBin Bin Id from the specified string. * This method should be able to extract bin Id from the * PostBin URL or from the string in the following format: * `Bin ''.` * * @param {IExecuteSingleFunctions} this * @param {IHttpRequestOptions} requestOptions * @returns {Promise} requestOptions */ function parseBinId(context: IExecuteSingleFunctions) { const binId = context.getNodeParameter('binId') as string; // Test if the Bin id is in the expected format BIN_ID_REGEX.lastIndex = 0; const idMatch = BIN_ID_REGEX.exec(binId); // Return what is matched if(idMatch) { return idMatch[0]; } // If it's not recognized, error out throw new NodeApiError(context.getNode(), {}, { message: 'Bin ID format is not valid', description: 'Please check the provided Bin ID and try again.', parseXml: false, }); } /** * Converts the bin response data and adds additional properties * * @param {IExecuteSingleFunctions} this * @param {INodeExecutionData} items[] * @param {IN8nHttpFullResponse} response * @returns {Promise} */ export async function transformBinReponse(this: IExecuteSingleFunctions, items: INodeExecutionData[], response: IN8nHttpFullResponse): Promise { items.forEach(item => item.json = { 'binId': item.json.binId, 'nowTimestamp': item.json.now, 'nowIso': new Date(item.json.now as string).toISOString(), 'expiresTimestamp': item.json.expires, 'expiresIso': new Date(item.json.expires as string).toISOString(), 'requestUrl': 'https://www.toptal.com/developers/postbin/' + item.json.binId, 'viewUrl': 'https://www.toptal.com/developers/postbin/b/' + item.json.binId, }); return items; }