add Google tasks API

packages/nodes-base/nodes/Google/Task/GenericFunctions.ts

@@ -0,0 +1,83 @@
+import { OptionsWithUri } from 'request';
+
+import {
+	IExecuteFunctions,
+	IExecuteSingleFunctions,
+	ILoadOptionsFunctions
+} from 'n8n-core';
+
+import { IDataObject } from 'n8n-workflow';
+
+export async function googleApiRequest(
+	this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions,
+	method: string,
+	resource: string,
+	body: any = {},
+	qs: IDataObject = {},
+	uri?: string,
+	headers: IDataObject = {}
+): Promise<any> {
+	const options: OptionsWithUri = {
+		headers: {
+			'Content-Type': 'application/json'
+		},
+		method,
+		body,
+		qs,
+		uri: uri || `https://www.googleapis.com${resource}`,
+		json: true
+	};
+	try {
+		if (Object.keys(headers).length !== 0) {
+			options.headers = Object.assign({}, options.headers, headers);
+		}
+		if (Object.keys(body).length === 0) {
+			delete options.body;
+		}
+		//@ts-ignore
+		return await this.helpers.requestOAuth2.call(
+			this,
+			'googleTasksOAuth2Api',
+			options
+		);
+	} catch (error) {
+		if (error.response && error.response.body && error.response.body.message) {
+			// Try to return the error prettier
+			throw new Error(
+				`Google Tasks error response [${error.statusCode}]: ${error.response.body.message}`
+			);
+		}
+		throw error;
+	}
+}
+
+export async function googleApiRequestAllItems(
+	this: IExecuteFunctions | ILoadOptionsFunctions,
+	propertyName: string,
+	method: string,
+	endpoint: string,
+	body: any = {},
+	query: IDataObject = {}
+): Promise<any> {
+	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;
+}