import { IPollFunctions, } from 'n8n-core'; import { IDataObject, ILoadOptionsFunctions, INodeExecutionData, INodePropertyOptions, INodeType, INodeTypeDescription, } from 'n8n-workflow'; import { notionApiRequest, simplifyObjects, } from './GenericFunctions'; import moment from 'moment'; export class NotionTrigger implements INodeType { description: INodeTypeDescription = { displayName: 'Notion Trigger (Beta)', name: 'notionTrigger', icon: 'file:notion.svg', group: ['trigger'], version: 1, description: 'Starts the workflow when Notion events occur', subtitle: '={{$parameter["event"]}}', defaults: { name: 'Notion Trigger', }, credentials: [ { name: 'notionApi', required: true, testedBy: 'notionApiCredentialTest', }, ], polling: true, inputs: [], outputs: ['main'], properties: [ { displayName: 'Event', name: 'event', type: 'options', options: [ { name: 'Page Added to Database', value: 'pageAddedToDatabase', }, { name: 'Paged Updated in Database', value: 'pagedUpdatedInDatabase', }, ], required: true, default: '', }, { displayName: 'Database', name: 'databaseId', type: 'options', typeOptions: { loadOptionsMethod: 'getDatabases', }, displayOptions: { show: { event: [ 'pageAddedToDatabase', 'pagedUpdatedInDatabase', ], }, }, default: '', required: true, description: 'The ID of this database', }, { displayName: 'Simplify Output', name: 'simple', type: 'boolean', displayOptions: { show: { event: [ 'pageAddedToDatabase', 'pagedUpdatedInDatabase', ], }, }, default: true, description: 'Whether to return a simplified version of the response instead of the raw data', }, ], }; methods = { loadOptions: { async getDatabases(this: ILoadOptionsFunctions): Promise { const returnData: INodePropertyOptions[] = []; const { results: databases } = await notionApiRequest.call(this, 'POST', `/search`, { page_size: 100, filter: { property: 'object', value: 'database' } }); for (const database of databases) { returnData.push({ name: database.title[0]?.plain_text || database.id, value: database.id, }); } returnData.sort((a, b) => { if (a.name.toLocaleLowerCase() < b.name.toLocaleLowerCase()) { return -1; } if (a.name.toLocaleLowerCase() > b.name.toLocaleLowerCase()) { return 1; } return 0; }); return returnData; }, }, }; async poll(this: IPollFunctions): Promise { const webhookData = this.getWorkflowStaticData('node'); const databaseId = this.getNodeParameter('databaseId') as string; const event = this.getNodeParameter('event') as string; const simple = this.getNodeParameter('simple') as boolean; const now = moment().utc().format(); const startDate = webhookData.lastTimeChecked as string || now; const endDate = now; webhookData.lastTimeChecked = endDate; const sortProperty = (event === 'pageAddedToDatabase') ? 'created_time' : 'last_edited_time'; const body: IDataObject = { page_size: 1, sorts: [ { timestamp: sortProperty, direction: 'descending', }, ], }; let records: IDataObject[] = []; let hasMore = true; //get last record let { results: data } = await notionApiRequest.call(this, 'POST', `/databases/${databaseId}/query`, body); if (this.getMode() === 'manual') { if (simple === true) { data = simplifyObjects(data, false, 1); } if (Array.isArray(data) && data.length) { return [this.helpers.returnJsonArray(data)]; } } // if something changed after the last check if (Object.keys(data[0]).length !== 0 && webhookData.lastRecordProccesed !== data[0].id) { do { body.page_size = 10; const { results, has_more, next_cursor } = await notionApiRequest.call(this, 'POST', `/databases/${databaseId}/query`, body); records.push.apply(records, results); hasMore = has_more; if (next_cursor !== null) { body['start_cursor'] = next_cursor; } } while (!moment(records[records.length - 1][sortProperty] as string).isSameOrBefore(startDate) && hasMore === true); if (this.getMode() !== 'manual') { records = records.filter((record: IDataObject) => moment(record[sortProperty] as string).isBetween(startDate, endDate)); } if (simple === true) { records = simplifyObjects(records, false, 1); } webhookData.lastRecordProccesed = data[0].id; if (Array.isArray(records) && records.length) { return [this.helpers.returnJsonArray(records)]; } } return null; } }