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 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/${binId}`; return requestOptions; } /** * Creates correctly-formatted PostBin Bin test URL based on the entered binId. * This function makes sure binId is in the expected format by parsing it * from current node parameter value. * */ export async function buildBinTestURL( this: IExecuteSingleFunctions, requestOptions: IHttpRequestOptions, ): Promise { const binId = parseBinId(this); // Assemble the PostBin API URL and put it back to requestOptions requestOptions.url = `/developers/postbin/${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 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 ''.` * */ 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 * */ 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; }