feat: Add Onedrive Trigger Node (#8742)

Co-authored-by: Giulio Andreini <andreini@netseven.it>
Co-authored-by: Marcus <marcus@n8n.io>

packages/nodes-base/nodes/Microsoft/OneDrive/MicrosoftOneDriveTrigger.node.ts

@@ -0,0 +1,173 @@
+import type {
+	IPollFunctions,
+	IDataObject,
+	INodeExecutionData,
+	INodeType,
+	INodeTypeDescription,
+} from 'n8n-workflow';
+
+import { DateTime } from 'luxon';
+import { triggerDescription } from './TriggerDescription';
+import { getPath, microsoftApiRequest, microsoftApiRequestAllItemsDelta } from './GenericFunctions';
+
+export class MicrosoftOneDriveTrigger implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Microsoft OneDrive Trigger',
+		name: 'microsoftOneDriveTrigger',
+		icon: 'file:oneDrive.svg',
+		group: ['trigger'],
+		version: 1,
+		description: 'Trigger for Microsoft OneDrive API.',
+		subtitle: '={{($parameter["event"])}}',
+		defaults: {
+			name: 'Microsoft OneDrive Trigger',
+		},
+		credentials: [
+			{
+				name: 'microsoftOneDriveOAuth2Api',
+				required: true,
+			},
+		],
+		polling: true,
+		inputs: [],
+		outputs: ['main'],
+		properties: [...triggerDescription],
+	};
+
+	methods = {
+		loadOptions: {},
+	};
+
+	async poll(this: IPollFunctions): Promise<INodeExecutionData[][] | null> {
+		const workflowData = this.getWorkflowStaticData('node');
+		let responseData: IDataObject[];
+
+		const lastLink: string =
+			(workflowData.LastLink as string) ||
+			'https://graph.microsoft.com/v1.0/me/drive/root/delta?token=latest';
+
+		const now = DateTime.now().toUTC();
+		const start = DateTime.fromISO(workflowData.lastTimeChecked as string) || now;
+		const end = now;
+		const event = this.getNodeParameter('event', 'fileCreated') as string;
+		const watch = this.getNodeParameter('watch', 'anyFile') as string;
+		const watchFolder = (this.getNodeParameter('watchFolder', false) as boolean) || false;
+		const folderChild = (this.getNodeParameter('options.folderChild', false) as boolean) || false;
+
+		let eventType = 'created';
+		let eventResource = 'file';
+		if (event.includes('Updated')) {
+			eventType = 'updated';
+		}
+		if (event.includes('folder')) {
+			eventResource = 'folder';
+		}
+		try {
+			if (this.getMode() === 'manual') {
+				responseData = (
+					await microsoftApiRequest.call(
+						this,
+						'GET',
+						'',
+						{},
+						{},
+						'https://graph.microsoft.com/v1.0/me/drive/root/delta',
+					)
+				).value as IDataObject[];
+			} else {
+				const response: IDataObject = (await microsoftApiRequestAllItemsDelta.call(
+					this,
+					lastLink,
+					start,
+					eventType,
+				)) as IDataObject;
+				responseData = response.returnData as IDataObject[];
+				workflowData.LastLink = response.deltaLink;
+			}
+
+			workflowData.lastTimeChecked = end.toISO();
+			if (watch === 'selectedFile') {
+				const fileId = (
+					this.getNodeParameter('fileId', '', {
+						extractValue: true,
+					}) as string
+				).replace('%21', '!');
+				if (fileId) {
+					responseData = responseData.filter((item: IDataObject) => item.id === fileId);
+				}
+			}
+
+			if (
+				!folderChild &&
+				(watch === 'oneSelectedFolder' || watch === 'selectedFolder' || watchFolder)
+			) {
+				const folderId = (
+					this.getNodeParameter('folderId', '', {
+						extractValue: true,
+					}) as string
+				).replace('%21', '!');
+				if (folderId) {
+					if (watch === 'oneSelectedFolder') {
+						responseData = responseData.filter((item: IDataObject) => item.id === folderId);
+					} else {
+						responseData = responseData.filter(
+							(item: IDataObject) => (item.parentReference as IDataObject).id === folderId,
+						);
+					}
+				}
+			}
+			if (folderChild && (watch === 'selectedFolder' || watchFolder)) {
+				const folderId = (
+					this.getNodeParameter('folderId', '', {
+						extractValue: true,
+					}) as string
+				).replace('%21', '!');
+				const folderPath = await getPath.call(this, folderId);
+				responseData = responseData.filter((item: IDataObject) =>
+					((item.parentReference as IDataObject).path as string).startsWith(folderPath),
+				);
+			}
+			responseData = responseData.filter((item: IDataObject) => item[eventResource]);
+			if (!responseData?.length) {
+				return null;
+			}
+
+			const simplify = this.getNodeParameter('simple') as boolean;
+			if (simplify) {
+				responseData = responseData.map((x) => ({
+					id: x.id,
+					createdDateTime: (x.fileSystemInfo as IDataObject)?.createdDateTime,
+					lastModifiedDateTime: (x.fileSystemInfo as IDataObject)?.lastModifiedDateTime,
+					name: x.name,
+					webUrl: x.webUrl,
+					size: x.size,
+					path: (x.parentReference as IDataObject)?.path || '',
+					mimeType: (x.file as IDataObject)?.mimeType || '',
+				}));
+			}
+
+			if (this.getMode() === 'manual') {
+				return [this.helpers.returnJsonArray(responseData[0])];
+			} else {
+				return [this.helpers.returnJsonArray(responseData)];
+			}
+		} catch (error) {
+			if (this.getMode() === 'manual' || !workflowData.lastTimeChecked) {
+				throw error;
+			}
+			const workflow = this.getWorkflow();
+			const node = this.getNode();
+			this.logger.error(
+				`There was a problem in '${node.name}' node in workflow '${workflow.id}': '${error.description}'`,
+				{
+					node: node.name,
+					workflowId: workflow.id,
+					error,
+				},
+			);
+			throw error;
+		}
+
+		return null;
+	}
+}