✨ Add Stackby Node (#1414)

* 🎉 Initial commit for stackby nodes

* 👕 Adding values into package.json

* ⚡ Improvements to #1389

* ⚡ Minor improvements to Stackby-Node

* 👕 Fix lint issue

Co-authored-by: Smit Parmar <16ce061@charusat.edu.in>
Co-authored-by: Smit Parmar <30971669+smituparmar@users.noreply.github.com>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

packages/nodes-base/nodes/Stackby/GenericFunction.ts

@@ -0,0 +1,108 @@
+import {
+	IExecuteFunctions,
+	IHookFunctions,
+	ILoadOptionsFunctions,
+} from 'n8n-core';
+
+import {
+	OptionsWithUri,
+} from 'request';
+
+import {
+	IDataObject,
+	IPollFunctions,
+} from 'n8n-workflow';
+
+/**
+ * Make an API request to Airtable
+ *
+ * @param {IHookFunctions} this
+ * @param {string} method
+ * @param {string} url
+ * @param {object} body
+ * @returns {Promise<any>}
+ */
+export async function apiRequest(this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions | IPollFunctions, method: string, endpoint: string, body: IDataObject, query?: IDataObject, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
+	const credentials = this.getCredentials('stackbyApi') as IDataObject;
+
+	const options: OptionsWithUri = {
+		headers: {
+			'api-key': credentials.apiKey,
+			'Content-Type': 'application/json',
+		},
+		method,
+		body,
+		qs: query,
+		uri: uri || `https://stackby.com/api/betav1${endpoint}`,
+		json: true,
+	};
+
+	if (Object.keys(option).length !== 0) {
+		Object.assign(options, option);
+	}
+
+	if (Object.keys(body).length === 0) {
+		delete options.body;
+	}
+
+	try {
+		return await this.helpers.request!(options);
+
+	} catch (error) {
+		if (error.statusCode === 401) {
+			// Return a clear error
+			throw new Error('The stackby credentials are not valid!');
+		}
+
+		if (error.response && error.response.body && error.response.body.error) {
+			// Try to return the error prettier
+			const message = error.response.body.error;
+
+			throw new Error(`Stackby error response [${error.statusCode}]: ${message}`);
+		}
+
+		// Expected error data did not get returned so rhow the actual error
+		throw error;
+	}
+}
+
+/**
+ * Make an API request to paginated Airtable endpoint
+ * and return all results
+ *
+ * @export
+ * @param {(IHookFunctions | IExecuteFunctions)} this
+ * @param {string} method
+ * @param {string} endpoint
+ * @param {IDataObject} body
+ * @param {IDataObject} [query]
+ * @returns {Promise<any>}
+ */
+export async function apiRequestAllItems(this: IHookFunctions | IExecuteFunctions | IPollFunctions, method: string, endpoint: string, body: IDataObject = {}, query: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
+
+	query.maxrecord = 100;
+
+	query.offset = 0;
+
+	const returnData: IDataObject[] = [];
+
+	let responseData;
+
+	do {
+		responseData = await apiRequest.call(this, method, endpoint, body, query);
+		returnData.push.apply(returnData, responseData);
+		query.offset += query.maxrecord;
+
+	} while (
+		responseData.length !== 0
+	);
+
+	return returnData;
+}
+
+export interface IRecord {
+	field: {
+		[key: string]: string
+	};
+}
+