✨ Zulip node

done

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

@@ -0,0 +1,54 @@
+import { OptionsWithUri } from 'request';
+
+import {
+	IExecuteFunctions,
+	ILoadOptionsFunctions,
+	BINARY_ENCODING
+} from 'n8n-core';
+
+import {
+	IDataObject,
+	IHookFunctions,
+	IWebhookFunctions
+} from 'n8n-workflow';
+
+export async function zulipApiRequest(this: IExecuteFunctions | IWebhookFunctions | IHookFunctions | ILoadOptionsFunctions, method: string, resource: string, body: any = {}, query: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
+
+	const credentials = this.getCredentials('zulipApi');
+
+	if (credentials === undefined) {
+		throw new Error('No credentials got returned!');
+	}
+
+	const base64Credentials = `${Buffer.from(`${credentials.email}:${credentials.apiKey}`).toString(BINARY_ENCODING)}`;
+
+	const endpoint = `${credentials.url}/api/v1`;
+
+	let options: OptionsWithUri = {
+		headers: {
+			'Content-Type': 'application/x-www-form-urlencoded',
+			Authorization: `Basic ${base64Credentials}`,
+		},
+		method,
+		form: body,
+		qs: query,
+		uri: uri || `${endpoint}${resource}`,
+		json: true
+	};
+	if (!Object.keys(body).length) {
+		delete options.form;
+	}
+	if (!Object.keys(query).length) {
+		delete options.qs;
+	}
+	options = Object.assign({}, options, option);
+	try {
+		return await this.helpers.request!(options);
+	} catch (error) {
+		if (error.response) {
+			let errorMessage = error.response.body.message || error.response.body.description || error.message;
+			throw new Error(`Zulip error response [${error.statusCode}]: ${errorMessage}`);
+		}
+		throw error;
+	}
+}