Building out the skeleton for Clockify integration

packages/nodes-base/nodes/Clockify/GenericFunctions.ts

@@ -0,0 +1,38 @@
+import { OptionsWithUri } from 'request';
+import {
+	ILoadOptionsFunctions,
+	IPollFunctions
+} from "n8n-core";
+
+import {IDataObject} from "n8n-workflow";
+
+export async function clockifyApiRequest(this: ILoadOptionsFunctions | IPollFunctions, method: string, resource: string, body: any = {}, qs: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
+	const credentials = this.getCredentials('clockifyApi');
+	if (credentials === undefined) {
+		throw new Error('No credentials got returned!');
+	}
+	const BASE_URL = `https://api.clockify.me/api/v1`;
+
+	const options: OptionsWithUri = {
+		headers: {
+			'Content-Type': 'application/json',
+			'X-Api-Key': credentials.apiKey as string,
+		},
+		method,
+		qs,
+		body,
+		uri: `${BASE_URL}/${resource}`,
+		json: true
+	};
+	try {
+		return await this.helpers.request!(options);
+	} catch (error) {
+
+		let errorMessage = error.message;
+		if (error.response.body && error.response.body.message) {
+			errorMessage = `[${error.response.body.status_code}] ${error.response.body.message}`;
+		}
+
+		throw new Error('Clockify Error: ' + errorMessage);
+	}
+}