import { IPollFunctions, } from 'n8n-core'; import { IDataObject, ILoadOptionsFunctions, INodeExecutionData, INodePropertyOptions, INodeType, INodeTypeDescription, NodeApiError, } from 'n8n-workflow'; import { extractId, googleApiRequest, googleApiRequestAllItems, } from './GenericFunctions'; import moment from 'moment'; export class GoogleDriveTrigger implements INodeType { description: INodeTypeDescription = { displayName: 'Google Drive Trigger', name: 'googleDriveTrigger', icon: 'file:googleDrive.svg', group: ['trigger'], version: 1, description: 'Starts the workflow when Google Drive events occur', subtitle: '={{$parameter["event"]}}', defaults: { name: 'Google Drive Trigger', }, credentials: [ { name: 'googleApi', required: true, displayOptions: { show: { authentication: [ 'serviceAccount', ], }, }, }, { name: 'googleDriveOAuth2Api', required: true, displayOptions: { show: { authentication: [ 'oAuth2', ], }, }, }, ], polling: true, inputs: [], outputs: ['main'], properties: [ { displayName: 'Credential Type', name: 'authentication', type: 'options', options: [ { name: 'Service Account', value: 'serviceAccount', }, { name: 'OAuth2', value: 'oAuth2', }, ], default: 'oAuth2', }, { displayName: 'Trigger On', name: 'triggerOn', type: 'options', required: true, default: '', options: [ { name: 'Changes to a Specific File', value: 'specificFile', }, { name: 'Changes Involving a Specific Folder', value: 'specificFolder', }, // { // name: 'Changes To Any File/Folder', // value: 'anyFileFolder', // }, ], }, { displayName: 'File URL or ID', name: 'fileToWatch', type: 'string', displayOptions: { show: { triggerOn: [ 'specificFile', ], }, }, default: '', description: 'The address of this file when you view it in your browser (or just the ID contained within the URL)', required: true, }, { displayName: 'Watch For', name: 'event', type: 'options', displayOptions: { show: { triggerOn: [ 'specificFile', ], }, }, required: true, default: 'fileUpdated', options: [ { name: 'File Updated', value: 'fileUpdated', }, ], description: 'When to trigger this node', }, { displayName: 'Folder URL or ID', name: 'folderToWatch', type: 'string', displayOptions: { show: { triggerOn: [ 'specificFolder', ], }, }, default: '', description: 'The address of this folder when you view it in your browser (or just the ID contained within the URL)', required: true, }, { displayName: 'Watch For', name: 'event', type: 'options', displayOptions: { show: { triggerOn: [ 'specificFolder', ], }, }, required: true, default: '', options: [ { name: 'File Created', value: 'fileCreated', description: 'When a file is created in the watched folder', }, { name: 'File Updated', value: 'fileUpdated', description: 'When a file is updated in the watched folder', }, { name: 'Folder Created', value: 'folderCreated', description: 'When a folder is created in the watched folder', }, { name: 'Folder Updated', value: 'folderUpdated', description: 'When a folder is updated in the watched folder', }, { name: 'Watch Folder Updated', value: 'watchFolderUpdated', description: 'When the watched folder itself is modified', }, ], }, { displayName: 'Changes within subfolders won\'t trigger this node', name: 'asas', type: 'notice', displayOptions: { show: { triggerOn: [ 'specificFolder', ], }, hide: { event: [ 'watchFolderUpdated', ], }, }, default: '', }, { displayName: 'Drive To Watch', name: 'driveToWatch', type: 'options', displayOptions: { show: { triggerOn: [ 'anyFileFolder', ], }, }, typeOptions: { loadOptionsMethod: 'getDrives', }, default: 'root', required: true, description: 'The drive to monitor', }, { displayName: 'Watch For', name: 'event', type: 'options', displayOptions: { show: { triggerOn: [ 'anyFileFolder', ], }, }, required: true, default: 'fileCreated', options: [ { name: 'File Created', value: 'fileCreated', description: 'When a file is created in the watched drive', }, { name: 'File Updated', value: 'fileUpdated', description: 'When a file is updated in the watched drive', }, { name: 'Folder Created', value: 'folderCreated', description: 'When a folder is created in the watched drive', }, { name: 'Folder Updated', value: 'folderUpdated', description: 'When a folder is updated in the watched drive', }, ], description: 'When to trigger this node', }, { displayName: 'Options', name: 'options', type: 'collection', displayOptions: { show: { event: [ 'fileCreated', 'fileUpdated', ], }, hide: { triggerOn: [ 'specificFile', ], }, }, placeholder: 'Add Option', default: {}, options: [ { displayName: 'File Type', name: 'fileType', type: 'options', options: [ { name: '[All]', value: 'all', }, { name: 'Audio', value: 'application/vnd.google-apps.audio', }, { name: 'Google Docs', value: 'application/vnd.google-apps.document', }, { name: 'Google Drawings', value: 'application/vnd.google-apps.drawing', }, { name: 'Google Slides', value: 'application/vnd.google-apps.presentation', }, { name: 'Google Spreadsheets', value: 'application/vnd.google-apps.spreadsheet', }, { name: 'Photos and Images', value: 'application/vnd.google-apps.photo', }, { name: 'Videos', value: 'application/vnd.google-apps.video', }, ], default: 'all', description: 'Triggers only when the file is this type', }, ], }, ], }; methods = { loadOptions: { // Get all the calendars to display them to user so that he can // select them easily async getDrives( this: ILoadOptionsFunctions, ): Promise { const returnData: INodePropertyOptions[] = []; const drives = await googleApiRequestAllItems.call(this, 'drives', 'GET', `/drive/v3/drives`); returnData.push({ name: 'Root', value: 'root', }); for (const drive of drives) { returnData.push({ name: drive.name, value: drive.id, }); } return returnData; }, }, }; async poll(this: IPollFunctions): Promise { const triggerOn = this.getNodeParameter('triggerOn') as string; const event = this.getNodeParameter('event') as string; const webhookData = this.getWorkflowStaticData('node'); const options = this.getNodeParameter('options', {}) as IDataObject; const qs: IDataObject = {}; const now = moment().utc().format(); const startDate = webhookData.lastTimeChecked as string || now; const endDate = now; const query = [ 'trashed = false', ]; if (triggerOn === 'specificFolder' && event !== 'watchFolderUpdated') { const folderToWatch = extractId(this.getNodeParameter('folderToWatch') as string); query.push(`'${folderToWatch}' in parents`); } // if (triggerOn === 'anyFileFolder') { // const driveToWatch = this.getNodeParameter('driveToWatch'); // query.push(`'${driveToWatch}' in parents`); // } if (event.startsWith('file')) { query.push(`mimeType != 'application/vnd.google-apps.folder'`); } else { query.push(`mimeType = 'application/vnd.google-apps.folder'`); } if (options.fileType && options.fileType !== 'all') { query.push(`mimeType = '${options.fileType}'`); } if (this.getMode() !== 'manual') { if (event.includes('Created')) { query.push(`createdTime > '${startDate}'`); } else { query.push(`modifiedTime > '${startDate}'`); } } qs.q = query.join(' AND '); qs.fields = 'nextPageToken, files(*)'; let files; if (this.getMode() === 'manual') { qs.pageSize = 1; files = await googleApiRequest.call(this, 'GET', `/drive/v3/files`, {}, qs); files = files.files; } else { files = await googleApiRequestAllItems.call(this, 'files', 'GET', `/drive/v3/files`, {}, qs); } if (triggerOn === 'specificFile' && this.getMode() !== 'manual') { const fileToWatch = extractId(this.getNodeParameter('fileToWatch') as string); files = files.filter((file: { id: string }) => file.id === fileToWatch); } if (triggerOn === 'specificFolder' && event === 'watchFolderUpdated' && this.getMode() !== 'manual') { const folderToWatch = extractId(this.getNodeParameter('folderToWatch') as string); files = files.filter((file: { id: string }) => file.id === folderToWatch); } webhookData.lastTimeChecked = endDate; if (Array.isArray(files) && files.length) { return [this.helpers.returnJsonArray(files)]; } if (this.getMode() === 'manual') { throw new NodeApiError(this.getNode(), { message: 'No data with the current filter could be found' }); } return null; } }