import { OptionsWithUri, } from 'request'; import { IExecuteFunctions, IExecuteSingleFunctions, IHookFunctions, ILoadOptionsFunctions, } from 'n8n-core'; import { IDataObject } from 'n8n-workflow'; export async function harvestApiRequest(this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, method: string, qs: IDataObject = {}, path: string, body: IDataObject = {}, option: IDataObject = {}, uri?: string): Promise { // tslint:disable-line:no-any let options: OptionsWithUri = { headers: { 'Harvest-Account-Id': `${this.getNodeParameter('accountId', 0)}`, 'User-Agent': 'Harvest App', 'Authorization': '', }, method, body, uri: uri || `https://api.harvestapp.com/v2/${path}`, qs, json: true, }; options = Object.assign({}, options, option); if (Object.keys(options.body).length === 0) { delete options.body; } const authenticationMethod = this.getNodeParameter('authentication', 0); try { if (authenticationMethod === 'accessToken') { const credentials = this.getCredentials('harvestApi') as IDataObject; if (credentials === undefined) { throw new Error('No credentials got returned!'); } //@ts-ignore options.headers['Authorization'] = `Bearer ${credentials.accessToken}`; return await this.helpers.request!(options); } else { return await this.helpers.requestOAuth2!.call(this, 'harvestOAuth2Api', options); } } catch (error) { if (error.statusCode === 401) { // Return a clear error throw new Error('The Harvest credentials are not valid!'); } if (error.error && error.error.message) { // Try to return the error prettier throw new Error(`Harvest error response [${error.statusCode}]: ${error.error.message}`); } // If that data does not exist for some reason return the actual error throw new Error(`Harvest error response: ${error.message}`); } } /** * Make an API request to paginated flow endpoint * and return all results */ export async function harvestApiRequestAllItems( this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, method: string, qs: IDataObject = {}, uri: string, resource: string, body: IDataObject = {}, option: IDataObject = {}, ): Promise { // tslint:disable-line:no-any const returnData: IDataObject[] = []; let responseData; do { responseData = await harvestApiRequest.call(this, method, qs, uri, body, option); qs.page = responseData.next_page; returnData.push.apply(returnData, responseData[resource]); } while (responseData.next_page); return returnData; } /** * fetch All resource using paginated calls */ export async function getAllResource(this: IExecuteFunctions | ILoadOptionsFunctions, resource: string, i: number) { const endpoint = resource; const qs: IDataObject = {}; const requestMethod = 'GET'; qs.per_page = 100; const additionalFields = this.getNodeParameter('filters', i) as IDataObject; const returnAll = this.getNodeParameter('returnAll', i) as boolean; Object.assign(qs, additionalFields); let responseData: IDataObject = {}; if (returnAll) { responseData[resource] = await harvestApiRequestAllItems.call(this, requestMethod, qs, endpoint, resource); } else { const limit = this.getNodeParameter('limit', i) as string; qs.per_page = limit; responseData = await harvestApiRequest.call(this, requestMethod, qs, endpoint); } return responseData[resource] as IDataObject[]; }