import { OptionsWithUri } from 'request'; import { IExecuteFunctions, IExecuteSingleFunctions, ILoadOptionsFunctions } from 'n8n-core'; import { IDataObject, INodeListSearchItems, INodeListSearchResult, IPollFunctions, NodeApiError, } from 'n8n-workflow'; import moment from 'moment-timezone'; export async function googleApiRequest( this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions | IPollFunctions, method: string, resource: string, body: any = {}, qs: IDataObject = {}, uri?: string, headers: IDataObject = {}, ): Promise { const options: OptionsWithUri = { headers: { 'Content-Type': 'application/json', }, method, body, qs, uri: uri || `https://www.googleapis.com${resource}`, json: true, }; try { if (Object.keys(headers).length !== 0) { options.headers = Object.assign({}, options.headers, headers); } if (Object.keys(body).length === 0) { delete options.body; } //@ts-ignore return this.helpers.requestOAuth2.call(this, 'googleCalendarOAuth2Api', options); } catch (error) { throw new NodeApiError(this.getNode(), error); } } export async function googleApiRequestAllItems( this: IExecuteFunctions | ILoadOptionsFunctions | IPollFunctions, propertyName: string, method: string, endpoint: string, body: any = {}, query: IDataObject = {}, ): Promise { const returnData: IDataObject[] = []; let responseData; query.maxResults = 100; do { responseData = await googleApiRequest.call(this, method, endpoint, body, query); query.pageToken = responseData.nextPageToken; returnData.push.apply(returnData, responseData[propertyName]); } while (responseData.nextPageToken !== undefined && responseData.nextPageToken !== ''); return returnData; } export function encodeURIComponentOnce(uri: string) { // load options used to save encoded uri strings return encodeURIComponent(decodeURIComponent(uri)); } export async function getCalendars( this: ILoadOptionsFunctions, filter?: string, ): Promise { const calendars = (await googleApiRequestAllItems.call( this, 'items', 'GET', '/calendar/v3/users/me/calendarList', )) as Array<{ id: string; summary: string }>; const results: INodeListSearchItems[] = calendars .map((c) => ({ name: c.summary, value: c.id, })) .filter( (c) => !filter || c.name.toLowerCase().includes(filter.toLowerCase()) || c.value?.toString() === filter, ) .sort((a, b) => { if (a.name.toLowerCase() < b.name.toLowerCase()) return -1; if (a.name.toLowerCase() > b.name.toLowerCase()) return 1; return 0; }); return { results }; } export const TIMEZONE_VALIDATION_REGEX = `(${moment.tz .names() .map((t) => t.replace('+', '\\+')) .join('|')})[ \t]*`; export async function getTimezones( this: ILoadOptionsFunctions, filter?: string, ): Promise { const results: INodeListSearchItems[] = moment.tz .names() .map((timezone) => ({ name: timezone, value: timezone, })) .filter( (c) => !filter || c.name.toLowerCase().includes(filter.toLowerCase()) || c.value?.toString() === filter, ); return { results }; }